Revert "Revert "Scroll helper""

Revert "Scroll helper"

app/build.gradle

@@ -99,6 +99,11 @@ android {
     kapt {
         generateStubs = true
     }
+    kotlin {
+        experimental {
+            coroutines "enable"
+        }
+    }
 
 }
 
@@ -168,6 +173,9 @@ dependencies {
     def kotlin_coroutines_version = "1.3.3"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+    def arch_version = '2.2.0'
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$arch_version"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$arch_version"
 
     implementation 'org.eclipse.mylyn.github:org.eclipse.egit.github.core:3.4.0.201406110918-r'
 
@@ -176,6 +184,8 @@ dependencies {
 
     implementation 'com.github.AdrienPoupa:jaudiotagger:2.2.3'
 
+    implementation 'com.github.ologe:scroll-helper:2.0.0-beta01'
+
     implementation 'com.anjlab.android.iab.v3:library:1.1.0'
     implementation 'com.r0adkll:slidableactivity:2.1.0'
     implementation 'com.heinrichreimersoftware:material-intro:1.6'
@@ -184,4 +194,8 @@ dependencies {
     def dagger_version = "2.23.1"
     implementation "com.google.dagger:dagger:$dagger_version"
     kapt "com.google.dagger:dagger-compiler:$dagger_version"
+
+    implementation 'com.github.ologe:scroll-helper:1.1.5'
+    implementation 'com.diogobernardino:williamchart:2.2'
+    implementation 'com.h6ah4i.android.widget.verticalseekbar:verticalseekbar:0.7.0'
 }

app/src/main/AndroidManifest.xml

@@ -17,7 +17,6 @@
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="com.android.vending.BILLING" />
 
-
     <application
         android:name=".App"
         android:allowBackup="true"
@@ -30,6 +29,7 @@
         android:usesCleartextTraffic="false"
         tools:ignore="AllowBackup,GoogleAppIndexingWarning"
         tools:targetApi="m">
+
         <activity
             android:name=".activities.MainActivity"
             android:label="@string/app_name"
@@ -122,20 +122,19 @@
         <activity android:name=".activities.bugreport.BugReportActivity" />
         <activity android:name=".activities.ShareInstagramStory" />
         <activity android:name=".activities.DriveModeActivity" />
+        <activity android:name=".activities.EqualizerActivity" />
+        <activity android:name=".activities.TestActivity" />
         <activity
             android:name=".activities.SearchActivity"
             android:windowSoftInputMode="stateVisible" />
-
         <activity
             android:name=".activities.LockScreenActivity"
             android:noHistory="true"
             android:showOnLockScreen="true" />
-
         <activity
             android:name=".appshortcuts.AppShortcutLauncherActivity"
             android:launchMode="singleInstance"
             android:theme="@android:style/Theme.Translucent.NoTitleBar" />
-
         <activity
             android:name=".activities.saf.SAFGuideActivity"
             android:theme="@style/Theme.Intro" />
@@ -149,8 +148,6 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/provider_paths" />
         </provider>
-
-
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}"
@@ -166,14 +163,12 @@
                 <action android:name="android.intent.action.MEDIA_BUTTON" />
             </intent-filter>
         </receiver>
-
         <receiver android:name=".appwidgets.BootReceiver">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
                 <action android:name="android.intent.action.QUICKBOOT_POWERON" />
             </intent-filter>
         </receiver>
-
         <receiver
             android:name=".appwidgets.AppWidgetBig"
             android:exported="false"
@@ -186,7 +181,6 @@
                 android:name="android.appwidget.provider"
                 android:resource="@xml/app_widget_big_info" />
         </receiver>
-
         <receiver
             android:name=".appwidgets.AppWidgetClassic"
             android:exported="false"
@@ -236,6 +230,16 @@
                 android:resource="@xml/app_widget_card_info" />
         </receiver>
 
+        <receiver
+            android:name=".equalizer.AudioEffectsReceiver"
+            android:enabled="true"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="org.oucho.musicplayer.OPEN_AUDIO_EFFECT_SESSION" />
+                <action android:name="org.oucho.musicplayer.CLOSE_AUDIO_EFFECT_SESSION" />
+            </intent-filter>
+        </receiver>
+
         <service
             android:name=".service.MusicService"
             android:enabled="true"
@@ -250,15 +254,12 @@
         <meta-data
             android:name="android.max_aspect"
             android:value="2.1" />
-
         <meta-data
             android:name="com.lge.support.SPLIT_WINDOW"
             android:value="true" />
-
         <meta-data
             android:name="code.name.monkey.retromusic.glide.RetroMusicGlideModule"
             android:value="GlideModule" />
-
         <meta-data
             android:name="com.bumptech.glide.integration.okhttp3.OkHttpGlideModule"
             android:value="GlideModule" />
@@ -266,4 +267,5 @@
             android:name="com.android.vending.splits.required"
             android:value="true" />
     </application>
+
 </manifest>

app/src/main/java/code/name/monkey/retromusic/App.kt

@@ -22,6 +22,7 @@ import code.name.monkey.retromusic.appshortcuts.DynamicShortcutManager
 import code.name.monkey.retromusic.dagger.DaggerMusicComponent
 import code.name.monkey.retromusic.dagger.MusicComponent
 import code.name.monkey.retromusic.dagger.module.AppModule
+import code.name.monkey.retromusic.equalizer.AudioEffects
 import com.anjlab.android.iab.v3.BillingProcessor
 import com.anjlab.android.iab.v3.TransactionDetails
 
@@ -63,6 +64,8 @@ class App : MultiDexApplication() {
 
                 override fun onBillingInitialized() {}
             })
+
+        AudioEffects.init(this)
     }
 
     private fun initDagger(app: App): MusicComponent =

app/src/main/java/code/name/monkey/retromusic/RetroScrollHelper.kt

@@ -0,0 +1,67 @@
+package code.name.monkey.retromusic
+
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
+import androidx.recyclerview.widget.RecyclerView
+import androidx.viewpager2.widget.ViewPager2
+import code.name.monkey.retromusic.fragments.player.normal.PlayerFragment
+import dev.olog.scrollhelper.ScrollHelper
+
+class RetroScrollHelper(
+    private val activity: FragmentActivity
+) : ScrollHelper(activity,
+    true,
+    false // TODO when true, scrolls both bottomsheet and bottom navigation
+) {
+
+    private val skipFragment = listOf(
+        PlayerFragment::class.java.name
+    )
+
+    // TODO every fragment has to have it's unique tag in order to work correctly
+    //   here you can decide what fragment will be processed by the library
+    //   probably you want to skip player fragments, ecc ..
+    override fun shouldSkipFragment(fragment: Fragment): Boolean {
+        return fragment::class.java.name in skipFragment
+    }
+
+    override fun findBottomNavigation(): View? {
+        return activity.findViewById(R.id.bottomNavigationView)
+    }
+
+    override fun findBottomSheet(): View? {
+        return activity.findViewById(R.id.slidingPanel)
+    }
+
+    override fun findFab(fragment: Fragment): View? {
+        return null
+    }
+
+    override fun findRecyclerView(fragment: Fragment): RecyclerView? {
+        return fragment.requireView().findViewById(R.id.recyclerView)
+    }
+
+    override fun findToolbar(fragment: Fragment): View? {
+        return fragment.requireActivity().findViewById(R.id.toolbarContainer)
+    }
+
+    override fun findTabLayout(fragment: Fragment): View? {
+        return null
+    }
+
+    override fun findViewPager(fragment: Fragment): ViewPager2? {
+        return null
+    }
+
+    // TODO override this if you want to apply custom padding
+    override fun updateRecyclerViewPadding(
+        fragment: Fragment,
+        recyclerView: RecyclerView,
+        topPadding: Int,
+        bottomPadding: Int
+    ) {
+        super.updateRecyclerViewPadding(fragment, recyclerView, topPadding, bottomPadding)
+    }
+
+}

app/src/main/java/code/name/monkey/retromusic/activities/EqualizerActivity.kt

@@ -0,0 +1,177 @@
+package code.name.monkey.retromusic.activities
+
+import android.os.Bundle
+import android.transition.TransitionManager
+import android.view.LayoutInflater
+import android.view.MenuItem
+import android.view.View
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.SeekBar
+import android.widget.TextView
+import code.name.monkey.appthemehelper.ThemeStore
+import code.name.monkey.appthemehelper.util.*
+import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.activities.base.AbsMusicServiceActivity
+import code.name.monkey.retromusic.equalizer.AudioEffects
+import code.name.monkey.retromusic.helper.EqualizerHelper
+import code.name.monkey.retromusic.misc.SimpleOnSeekbarChangeListener
+import code.name.monkey.retromusic.util.ViewUtil
+import kotlinx.android.synthetic.main.activity_equalizer.*
+
+/**
+ * @author Hemanth S (h4h13).
+ */
+
+class EqualizerActivity : AbsMusicServiceActivity(), AdapterView.OnItemSelectedListener {
+
+    private val seekBarChangeListener = object : SeekBar.OnSeekBarChangeListener {
+        override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
+            if (fromUser) {
+                if (seekBar === bassBoostStrength) {
+                    bassBoost.isEnabled = progress > 0
+                    EqualizerHelper.instance!!.bassBoostStrength = progress
+                    EqualizerHelper.instance!!.isBassBoostEnabled = progress > 0
+                } else if (seekBar === virtualizerStrength) {
+                    virtualizer.isEnabled = progress > 0
+                    EqualizerHelper.instance!!.isVirtualizerEnabled = progress > 0
+                    EqualizerHelper.instance!!.virtualizerStrength = progress
+                }
+            }
+        }
+
+        override fun onStartTrackingTouch(seekBar: SeekBar) {
+
+        }
+
+        override fun onStopTrackingTouch(seekBar: SeekBar) {
+
+        }
+    }
+
+    private lateinit var presetsNamesAdapter: ArrayAdapter<String>
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_equalizer)
+
+        setStatusbarColorAuto()
+        setNavigationbarColorAuto()
+        setTaskDescriptionColorAuto()
+        setLightNavigationBar(true)
+
+        setupToolbar()
+
+        equalizerSwitch.isChecked = AudioEffects.areAudioEffectsEnabled()
+        val widgetColor = MaterialValueHelper.getPrimaryTextColor(
+            this,
+            ColorUtil.isColorLight(ThemeStore.accentColor(this))
+        )
+        equalizerSwitch.setTextColor(widgetColor)
+        TintHelper.setTintAuto(equalizerSwitch, ThemeStore.accentColor(this), false)
+        equalizerSwitch.setOnCheckedChangeListener { buttonView, isChecked ->
+            when (buttonView.id) {
+                R.id.equalizerSwitch -> {
+                    AudioEffects.setAudioEffectsEnabled(isChecked)
+                    TransitionManager.beginDelayedTransition(content)
+                    content.visibility = if (isChecked) View.VISIBLE else View.GONE
+                }
+            }
+        }
+
+        presetsNamesAdapter =
+            ArrayAdapter(this, R.layout.dropdown_item, AudioEffects.getEqualizerPresets(this))
+        presets.adapter = presetsNamesAdapter
+        presets.onItemSelectedListener = this
+        presets.setSelection(AudioEffects.getCurrentPreset())
+
+        bassBoostStrength.progress = AudioEffects.getBassBoostStrength().toInt()
+        ViewUtil.setProgressDrawable(bassBoostStrength, ThemeStore.accentColor(this), true)
+        bassBoostStrength.setOnSeekBarChangeListener(seekBarChangeListener)
+
+        virtualizerStrength.progress = AudioEffects.getVirtualizerStrength().toInt()
+        ViewUtil.setProgressDrawable(virtualizerStrength, ThemeStore.accentColor(this), true)
+        virtualizerStrength.setOnSeekBarChangeListener(seekBarChangeListener)
+
+        setupUI()
+
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == android.R.id.home) {
+            onBackPressed()
+            return true
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    private fun setupToolbar() {
+        val toolbarColor = ATHUtil.resolveColor(this, R.attr.colorSurface)
+        toolbar.setBackgroundColor(toolbarColor)
+        ToolbarContentTintHelper.colorBackButton(toolbar)
+        setSupportActionBar(toolbar)
+    }
+
+
+    private fun setupUI() {
+        frequencyBands.removeAllViews()
+        // get number of supported bands
+
+        try {
+            val bands: Short = AudioEffects.getNumberOfBands()
+            val range: ShortArray = AudioEffects.getBandLevelRange()
+
+            // for each of the supported bands, we will set up a slider from -10dB to 10dB boost/attenuation,
+            // as well as text labels to assist the user
+            for (band in 0 until bands) {
+
+                val view = LayoutInflater.from(this)
+                    .inflate(R.layout.retro_seekbar, frequencyBands, false)
+                val freqTextView = view.findViewById<TextView>(R.id.hurtz)
+                freqTextView.text =
+                    String.format("%d Hz", EqualizerHelper.instance!!.getCenterFreq(band) / 1000)
+
+                val bar = view.findViewById<SeekBar>(R.id.seekbar)
+                ViewUtil.setProgressDrawable(bar, ThemeStore.accentColor(this), true)
+                val seekBarMax = range[1] - range[0]
+                bar.max = seekBarMax
+                println("AudioEffect ${AudioEffects.getBandLevel(band.toShort())}")
+                bar.progress = EqualizerHelper.instance!!.getBandLevel(band)
+
+                bar.setOnSeekBarChangeListener(object : SimpleOnSeekbarChangeListener() {
+                    override fun onProgressChanged(
+                        seekBar: SeekBar,
+                        progress: Int,
+                        fromUser: Boolean
+                    ) {
+                        if (fromUser) {
+                            //val level: Short = (progress + AudioEffects.getBandLevelRange(0)).toShort()
+                            //AudioEffects.setBandLevel(band.toShort(), level)
+                            EqualizerHelper.instance!!.setBandLevel(
+                                band, progress + EqualizerHelper.instance!!.bandLevelLow
+                            )
+                            println("AudioEffect: ${progress + EqualizerHelper.instance!!.bandLevelLow}")
+                            presets.setSelection(0)
+                        }
+                    }
+                })
+
+                frequencyBands.addView(view)
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+    }
+
+    override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
+        println("AudioEffect: $position")
+        AudioEffects.usePreset((position).toShort())
+        //EqualizerHelper.instance!!.equalizer.usePreset((position - 1).toShort())
+        setupUI()
+    }
+
+    override fun onNothingSelected(parent: AdapterView<*>) {
+
+    }
+}

app/src/main/java/code/name/monkey/retromusic/activities/MainActivity.java

@@ -55,6 +55,7 @@ import java.util.List;
 import code.name.monkey.appthemehelper.util.ATHUtil;
 import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper;
 import code.name.monkey.retromusic.R;
+import code.name.monkey.retromusic.RetroScrollHelper;
 import code.name.monkey.retromusic.activities.base.AbsSlidingMusicPanelActivity;
 import code.name.monkey.retromusic.dialogs.CreatePlaylistDialog;
 import code.name.monkey.retromusic.fragments.base.AbsLibraryPagerRecyclerViewCustomGridSizeFragment;
@@ -83,6 +84,7 @@ import code.name.monkey.retromusic.util.NavigationUtil;
 import code.name.monkey.retromusic.util.PreferenceUtil;
 import code.name.monkey.retromusic.util.RetroColorUtil;
 import code.name.monkey.retromusic.util.RetroUtil;
+import dev.olog.scrollhelper.ScrollHelper;
 
 /**
  * Created by hemanths on 2020-02-19.
@@ -119,6 +121,9 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
     private Toolbar mToolbar;
     private MaterialCardView mToolbarContainer;
 
+    @SuppressWarnings("FieldCanBeLocal")
+    private ScrollHelper scrollHelper;
+
     @Override
     protected void onCreate(@Nullable final Bundle savedInstanceState) {
         setDrawUnderStatusBar();
@@ -151,6 +156,8 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
         checkShowChangelog();
         AppRater.appLaunched(this);
         setupToolbar();
+
+        scrollHelper = new RetroScrollHelper(this);
     }
 
     @Override

app/src/main/java/code/name/monkey/retromusic/activities/TestActivity.kt

@@ -0,0 +1,40 @@
+package code.name.monkey.retromusic.activities
+
+import android.os.Bundle
+import android.view.MenuItem
+import code.name.monkey.appthemehelper.util.ATHUtil
+import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper
+import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.activities.base.AbsMusicServiceActivity
+import code.name.monkey.retromusic.fragments.EqualizerFragment
+import code.name.monkey.retromusic.helper.MusicPlayerRemote.audioSessionId
+import kotlinx.android.synthetic.main.activity_about.*
+
+class TestActivity : AbsMusicServiceActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.test)
+        setStatusbarColorAuto()
+        setNavigationbarColorAuto()
+        setLightNavigationBar(true)
+
+        val toolbarColor = ATHUtil.resolveColor(this, R.attr.colorSurface)
+        toolbar.setBackgroundColor(toolbarColor)
+        ToolbarContentTintHelper.colorBackButton(toolbar)
+        setSupportActionBar(toolbar)
+
+        val equalizerFragment = EqualizerFragment.newInstance(audioSessionId)
+        supportFragmentManager.beginTransaction()
+            .replace(R.id.contentFrame, equalizerFragment)
+            .commit()
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == android.R.id.home) {
+            onBackPressed()
+            return true
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+}

app/src/main/java/code/name/monkey/retromusic/activities/base/AbsSlidingMusicPanelActivity.kt

@@ -111,10 +111,14 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity(),
         }
     }
 
+    override fun onPause() {
+        super.onPause()
+        bottomSheetBehavior.removeBottomSheetCallback(bottomSheetCallbackList)
+    }
+
     override fun onDestroy() {
         super.onDestroy()
-        bottomSheetBehavior.removeBottomSheetCallback(bottomSheetCallbackList)
+        navigationBarColorAnimator?.cancel() // just in case
-        if (navigationBarColorAnimator != null) navigationBarColorAnimator?.cancel() // just in case
     }
 
     protected fun wrapSlidingMusicPanel(@LayoutRes resId: Int): View {
@@ -142,7 +146,6 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity(),
         // necessary to make the views below clickable
         miniPlayerFragment?.view?.visibility = if (alpha == 0f) View.GONE else View.VISIBLE
 
-        bottomNavigationView.translationY = progress * 500
         //bottomNavigationView.alpha = alpha
     }
 
@@ -217,8 +220,8 @@ abstract class AbsSlidingMusicPanelActivity : AbsMusicServiceActivity(),
         }
     }
 
-    fun setBottomBarVisibility(gone: Int) {
+    fun setBottomBarVisibility(visibility: Int) {
-        bottomNavigationView.visibility = gone
+        bottomNavigationView.visibility = visibility
         hideBottomBar(false)
     }
 

app/src/main/java/code/name/monkey/retromusic/adapter/GenreAdapter.kt

@@ -4,8 +4,10 @@ import android.app.Activity
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
 import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.adapter.GenreAdapter.ViewHolder
 import code.name.monkey.retromusic.adapter.base.MediaEntryViewHolder
 import code.name.monkey.retromusic.model.Genre
 import code.name.monkey.retromusic.util.NavigationUtil
@@ -19,7 +21,7 @@ class GenreAdapter(
     private val activity: Activity,
     var dataSet: List<Genre>,
     private val mItemLayoutRes: Int
-) : RecyclerView.Adapter<GenreAdapter.ViewHolder>() {
+) : ListAdapter<Genre, ViewHolder>(GenreDiffCallback()) {
 
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
@@ -54,3 +56,19 @@ class GenreAdapter(
         }
     }
 }
+
+/**
+ * Callback for calculating the diff between two non-null items in a list.
+ *
+ * Used by ListAdapter to calculate the minimum number of changes between and old list and a new
+ * list that's been passed to `submitList`.
+ */
+class GenreDiffCallback : DiffUtil.ItemCallback<Genre>() {
+    override fun areItemsTheSame(oldItem: Genre, newItem: Genre): Boolean {
+        return oldItem.id == newItem.id
+    }
+
+    override fun areContentsTheSame(oldItem: Genre, newItem: Genre): Boolean {
+        return oldItem == newItem
+    }
+}

app/src/main/java/code/name/monkey/retromusic/equalizer/AnalogController.java

@@ -0,0 +1,203 @@
+package code.name.monkey.retromusic.equalizer;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+
+import code.name.monkey.appthemehelper.ThemeStore;
+import code.name.monkey.appthemehelper.util.ATHUtil;
+
+/**
+ * Created by Harjot on 23-May-16.
+ */
+public class AnalogController extends View {
+
+    public Paint circlePaint2;
+    public Paint linePaint;
+    float midx, midy;
+    Paint textPaint;
+    Paint circlePaint;
+    String angle;
+    float currdeg, deg = 3, downdeg;
+
+    int progressColor, lineColor;
+
+    onProgressChangedListener mListener;
+
+    String label;
+
+    public AnalogController(Context context) {
+        super(context);
+        init();
+    }
+
+    public AnalogController(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public AnalogController(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    public void setOnProgressChangedListener(onProgressChangedListener listener) {
+        mListener = listener;
+    }
+
+    void init() {
+        textPaint = new Paint();
+        textPaint.setColor(ATHUtil.INSTANCE.resolveColor(getContext(), android.R.attr.textColorSecondary));
+        textPaint.setStyle(Paint.Style.FILL);
+        textPaint.setTextSize(33);
+        textPaint.setFakeBoldText(true);
+        textPaint.setTextAlign(Paint.Align.CENTER);
+        circlePaint = new Paint();
+        circlePaint.setColor(Color.BLUE);
+        circlePaint.setStyle(Paint.Style.FILL);
+        circlePaint2 = new Paint();
+        circlePaint2.setColor(Color.RED);
+        circlePaint2.setStyle(Paint.Style.FILL);
+        linePaint = new Paint();
+        linePaint.setColor(ThemeStore.Companion.accentColor(getContext()));
+        linePaint.setStrokeWidth(16);
+        angle = "0.0";
+        label = "Label";
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        midx = canvas.getWidth() / 2;
+        midy = canvas.getHeight() / 2;
+
+        int ang = 0;
+        float x = 0, y = 0;
+        int radius = (int) (Math.min(midx, midy) * ((float) 14.5 / 16));
+        float deg2 = Math.max(3, deg);
+        float deg3 = Math.min(deg, 21);
+        for (int i = (int) (deg2); i < 22; i++) {
+            float tmp = (float) i / 24;
+            x = midx + (float) (radius * Math.sin(2 * Math.PI * (1.0 - tmp)));
+            y = midy + (float) (radius * Math.cos(2 * Math.PI * (1.0 - tmp)));
+            circlePaint.setColor(Color.parseColor("#777777"));
+            canvas.drawCircle(x, y, ((float) radius / 15), circlePaint);
+        }
+        for (int i = 3; i <= deg3; i++) {
+            float tmp = (float) i / 24;
+            x = midx + (float) (radius * Math.sin(2 * Math.PI * (1.0 - tmp)));
+            y = midy + (float) (radius * Math.cos(2 * Math.PI * (1.0 - tmp)));
+            canvas.drawCircle(x, y, ((float) radius / 15), circlePaint2);
+        }
+
+        float tmp2 = deg / 24;
+        float x1 = midx + (float) (radius * ((float) 2 / 5) * Math.sin(2 * Math.PI * (1.0 - tmp2)));
+        float y1 = midy + (float) (radius * ((float) 2 / 5) * Math.cos(2 * Math.PI * (1.0 - tmp2)));
+        float x2 = midx + (float) (radius * ((float) 3 / 5) * Math.sin(2 * Math.PI * (1.0 - tmp2)));
+        float y2 = midy + (float) (radius * ((float) 3 / 5) * Math.cos(2 * Math.PI * (1.0 - tmp2)));
+
+        circlePaint.setColor(Color.parseColor("#888888"));
+        canvas.drawCircle(midx, midy, radius * ((float) 13 / 15), circlePaint);
+        circlePaint.setColor(Color.parseColor("#999999"));
+        canvas.drawCircle(midx, midy, radius * ((float) 11 / 15), circlePaint);
+        canvas.drawText(label, midx, midy + (float) (radius * 1.1), textPaint);
+        canvas.drawLine(x1, y1, x2, y2, linePaint);
+
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent e) {
+
+        mListener.onProgressChanged((int) (deg - 2));
+
+        if (e.getAction() == MotionEvent.ACTION_DOWN) {
+            float dx = e.getX() - midx;
+            float dy = e.getY() - midy;
+            downdeg = (float) ((Math.atan2(dy, dx) * 180) / Math.PI);
+            downdeg -= 90;
+            if (downdeg < 0) {
+                downdeg += 360;
+            }
+            downdeg = (float) Math.floor(downdeg / 15);
+            return true;
+        }
+        if (e.getAction() == MotionEvent.ACTION_MOVE) {
+            float dx = e.getX() - midx;
+            float dy = e.getY() - midy;
+            currdeg = (float) ((Math.atan2(dy, dx) * 180) / Math.PI);
+            currdeg -= 90;
+            if (currdeg < 0) {
+                currdeg += 360;
+            }
+            currdeg = (float) Math.floor(currdeg / 15);
+
+            if (currdeg == 0 && downdeg == 23) {
+                deg++;
+                if (deg > 21) {
+                    deg = 21;
+                }
+                downdeg = currdeg;
+            } else if (currdeg == 23 && downdeg == 0) {
+                deg--;
+                if (deg < 3) {
+                    deg = 3;
+                }
+                downdeg = currdeg;
+            } else {
+                deg += (currdeg - downdeg);
+                if (deg > 21) {
+                    deg = 21;
+                }
+                if (deg < 3) {
+                    deg = 3;
+                }
+                downdeg = currdeg;
+            }
+
+            angle = String.valueOf(deg);
+            invalidate();
+            return true;
+        }
+        return e.getAction() == MotionEvent.ACTION_UP || super.onTouchEvent(e);
+    }
+
+    public int getProgress() {
+        return (int) (deg - 2);
+    }
+
+    public void setProgress(int param) {
+        deg = param + 2;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    public void setLabel(String txt) {
+        label = txt;
+    }
+
+    public int getLineColor() {
+        return lineColor;
+    }
+
+    public void setLineColor(int lineColor) {
+        this.lineColor = lineColor;
+    }
+
+    public int getProgressColor() {
+        return progressColor;
+    }
+
+    public void setProgressColor(int progressColor) {
+        this.progressColor = progressColor;
+    }
+
+    public interface onProgressChangedListener {
+        void onProgressChanged(int progress);
+    }
+}

app/src/main/java/code/name/monkey/retromusic/equalizer/AudioEffects.java

@@ -0,0 +1,342 @@
+package code.name.monkey.retromusic.equalizer;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.media.audiofx.BassBoost;
+import android.media.audiofx.Equalizer;
+import android.media.audiofx.Virtualizer;
+import android.util.Log;
+
+import code.name.monkey.retromusic.R;
+
+
+public class AudioEffects {
+
+    public static final short BASSBOOST_MAX_STRENGTH = 1000;
+    private static final String PREF_EQ_ENABLED = "enabled";
+    private static final String PREF_VIRTUALIZER_ENABLED = "pref_virtualizer_enabled";
+    private static final String PREF_BAND_LEVEL = "level";
+    private static final String PREF_PRESET = "preset";
+    private static final String PREF_BASSBOOST = "bassboost";
+    private static final String PREF_VIRTUALIZER = "pref_virtualizer";
+    private static final String AUDIO_EFFECTS_PREFS = "audioeffects";
+
+    private static final BassBoostValues sBassBoostValues = new BassBoostValues();
+    private static final VirtualizerValues sVirtualizerValues = new VirtualizerValues();
+    private static final EqualizerValues sEqualizerValues = new EqualizerValues();
+    private static BassBoost sBassBoost;
+    private static Equalizer sEqualizer;
+    private static Virtualizer sVirtualizer;
+    private static boolean sCustomPreset;
+
+    public static void init(Context context) {
+        SharedPreferences prefs = context.getSharedPreferences(AUDIO_EFFECTS_PREFS, Context.MODE_PRIVATE);
+        initBassBoostValues(prefs);
+        initEqualizerValues(prefs);
+    }
+
+
+    public static void openAudioEffectSession(Context context, int audioSessionId) {
+        SharedPreferences prefs = context.getSharedPreferences(AUDIO_EFFECTS_PREFS, Context.MODE_PRIVATE);
+
+        initBassBoost(audioSessionId);
+        initEqualizer(prefs, audioSessionId);
+    }
+
+    public static void closeAudioEffectSession() {
+        if (sBassBoost != null) {
+            sBassBoost.release();
+            sBassBoost = null;
+        }
+
+        if (sEqualizer != null) {
+            sEqualizer.release();
+            sEqualizer = null;
+        }
+        if (sVirtualizer != null) {
+            sVirtualizer.release();
+            sVirtualizer = null;
+        }
+    }
+
+    private static void initBassBoostValues(SharedPreferences prefs) {
+        sBassBoostValues.enabled = prefs.getBoolean(PREF_EQ_ENABLED, false);
+        sBassBoostValues.strength = (short) prefs.getInt(PREF_BASSBOOST, 0);
+
+        sVirtualizerValues.enabled = prefs.getBoolean(PREF_VIRTUALIZER_ENABLED, false);
+        sVirtualizerValues.strength = (short) prefs.getInt(PREF_VIRTUALIZER, 0);
+    }
+
+    private static void initBassBoost(int audioSessionId) {
+        if (sBassBoost != null) {
+            sBassBoost.release();
+            sBassBoost = null;
+        }
+        sBassBoost = new BassBoost(0, audioSessionId);
+        sBassBoost.setEnabled(sBassBoostValues.enabled);
+
+        short strength = sBassBoostValues.strength;
+
+        if (strength >= 0 && strength <= BASSBOOST_MAX_STRENGTH) {
+            sBassBoost.setStrength(strength);
+        }
+    }
+
+    private static void initVirtualizerBoost(int audioSessionId) {
+        if (sVirtualizer != null) {
+            sVirtualizer.release();
+            sVirtualizer = null;
+        }
+        sVirtualizer = new Virtualizer(0, audioSessionId);
+        sVirtualizer.setEnabled(sVirtualizerValues.enabled);
+
+        short strength = sVirtualizerValues.strength;
+
+        if (strength >= 0 && strength <= BASSBOOST_MAX_STRENGTH) {
+            sVirtualizer.setStrength(strength);
+        }
+    }
+
+    private static void initEqualizerValues(SharedPreferences prefs) {
+        sEqualizerValues.enabled = prefs.getBoolean(PREF_EQ_ENABLED, false);
+        sEqualizerValues.preset = (short) prefs.getInt(PREF_PRESET, -1);
+        if (sEqualizerValues.preset == -1) {
+            sCustomPreset = true;
+        }
+    }
+
+
+    private static void initEqualizer(SharedPreferences prefs, int audioSessionId) {
+
+        if (sEqualizer != null) {
+            sEqualizer.release();
+            sEqualizer = null;
+        }
+        if (sVirtualizer != null) {
+            sVirtualizer.release();
+            sVirtualizer = null;
+        }
+        sEqualizer = new Equalizer(0, audioSessionId);
+        sEqualizer.setEnabled(sEqualizerValues.enabled);
+
+        sVirtualizer = new Virtualizer(0, audioSessionId);
+        sVirtualizer.setEnabled(sEqualizerValues.enabled);
+
+        if (!sCustomPreset) {
+            usePreset(sEqualizerValues.preset);
+
+        }
+
+        sEqualizerValues.numberOfBands = sEqualizer.getNumberOfBands();
+
+
+        if (!sEqualizerValues.levelsSet) {
+            sEqualizerValues.bandLevels = new short[sEqualizerValues.numberOfBands];
+        }
+        for (short b = 0; b < sEqualizerValues.numberOfBands; b++) {
+            if (!sEqualizerValues.levelsSet) {
+                short level = (short) prefs.getInt(PREF_BAND_LEVEL + b, sEqualizer.getBandLevel(b));
+                sEqualizerValues.bandLevels[b] = level;
+                if (sCustomPreset) {
+
+                    sEqualizer.setBandLevel(b, level);
+                }
+            } else {
+                sEqualizer.setBandLevel(b, sEqualizerValues.bandLevels[b]);
+            }
+        }
+
+        sEqualizerValues.levelsSet = true;
+
+    }
+
+    public static short getBassBoostStrength() {
+        return sBassBoostValues.strength;
+    }
+
+    public static void setBassBoostStrength(short strength) {
+        sBassBoostValues.strength = strength;
+        if (sBassBoost != null) {
+            sBassBoost.setStrength(strength);
+        }
+    }
+
+    public static short getVirtualizerStrength() {
+        return sVirtualizer.getRoundedStrength();
+    }
+
+    public static void setVirtualizerStrength(short strength) {
+        sVirtualizerValues.strength = strength;
+        if (sVirtualizer != null) {
+            sVirtualizer.setStrength(strength);
+        }
+    }
+
+    public static short[] getBandLevelRange() {
+        if (sEqualizer == null) {
+            return null;
+        }
+        return sEqualizer.getBandLevelRange();
+    }
+
+    public static short getBandLevel(short band) {
+        /*if (sEqualizer == null) {
+            if (sEqualizerValues.levelsSet && sEqualizerValues.bandLevels.length > band) {
+                return sEqualizerValues.bandLevels[band];
+            }
+        }*/
+        if (sEqualizer != null) {
+            Log.d("audiofx", "eeeD");
+            return sEqualizer.getBandLevel(band);
+        }
+        return 0;
+    }
+
+    public static short getBandLevelRange(int i) {
+        if (sEqualizer != null) {
+            Log.i("AudioEffect", "getBandLevelRange: " + sEqualizer.getBandLevelRange()[i]);
+            return sEqualizer.getBandLevelRange()[i];
+        }
+        return 0;
+    }
+
+    public static int getBandLevelOfPreset(short i) {
+        if (sEqualizer != null) {
+            return (int) sEqualizer.getBandLevel(i) - getBandLevelRange(0);
+        }
+        return 0;
+    }
+
+    public static boolean areAudioEffectsEnabled() {
+        if (sEqualizer == null) {
+            return sEqualizerValues.enabled;
+        }
+        return sEqualizer.getEnabled();
+    }
+
+    public static void setAudioEffectsEnabled(boolean enabled) {
+        if (sEqualizer == null || sBassBoost == null) {
+            return;
+        }
+        sBassBoost.setEnabled(true);
+        sEqualizer.setEnabled(enabled);
+    }
+
+    public static void setBandLevel(short band, short level) {
+        sCustomPreset = true;
+
+        if (sEqualizerValues.bandLevels.length > band) {
+            sEqualizerValues.preset = -1;
+            sEqualizerValues.bandLevels[band] = level;
+        }
+
+        if (sEqualizer != null) {
+            sEqualizer.setBandLevel(band, level);
+        }
+    }
+
+    public static String[] getEqualizerPresets(Context context) {
+        if (sEqualizer == null) {
+            return new String[]{};
+        }
+        short numberOfPresets = sEqualizer.getNumberOfPresets();
+
+        String[] presets = new String[numberOfPresets + 1];
+
+        presets[0] = context.getResources().getString(R.string.custom);
+
+        for (short n = 0; n < numberOfPresets; n++) {
+            presets[n + 1] = sEqualizer.getPresetName(n);
+        }
+
+        return presets;
+    }
+
+    public static int getCurrentPreset() {
+        if (sEqualizer == null || sCustomPreset) {
+            return 0;
+        }
+
+        return sEqualizer.getCurrentPreset() + 1;
+    }
+
+    public static void usePreset(short preset) {
+        if (sEqualizer == null) {
+            return;
+        }
+        sCustomPreset = false;
+        sEqualizer.usePreset(preset);
+
+    }
+
+
+    public static short getNumberOfBands() {
+        if (sEqualizer == null) {
+            return 0;
+        }
+        return sEqualizer.getNumberOfBands();
+    }
+
+    public static int getCenterFreq(short band) {
+        if (sEqualizer == null) {
+            return 0;
+        }
+        return sEqualizer.getCenterFreq(band);
+    }
+
+    @SuppressLint("CommitPrefEdits")
+    public static void savePrefs(Context context) {
+        if (sEqualizer == null || sBassBoost == null) {
+            return;
+        }
+        SharedPreferences prefs = context.getSharedPreferences(AUDIO_EFFECTS_PREFS,
+                Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefs.edit();
+
+        editor.putInt(PREF_BASSBOOST, sBassBoostValues.strength);
+
+        short preset = sCustomPreset ? -1 : sEqualizer.getCurrentPreset();
+        editor.putInt(PREF_PRESET, preset);
+
+
+        short bands = sEqualizer.getNumberOfBands();
+
+        for (short b = 0; b < bands; b++) {
+            short level = sEqualizer.getBandLevel(b);
+
+            editor.putInt(PREF_BAND_LEVEL + b, level);
+        }
+        editor.putBoolean(PREF_EQ_ENABLED,
+                sEqualizer.getEnabled());
+
+        editor.commit();
+    }
+
+
+    public static String getPresetAtIndex(short i) {
+        if (sEqualizer != null) {
+            return sEqualizer.getPresetName(i);
+        }
+        return null;
+    }
+
+    private static class BassBoostValues {
+        public boolean enabled;
+        public short strength;
+    }
+
+    private static class VirtualizerValues {
+        public boolean enabled;
+        public short strength;
+    }
+
+    private static class EqualizerValues {
+        public boolean enabled;
+        public short preset;
+        public short numberOfBands;
+        public short[] bandLevels;
+
+        public boolean levelsSet = false;
+    }
+}

app/src/main/java/code/name/monkey/retromusic/equalizer/AudioEffectsReceiver.java

@@ -0,0 +1,27 @@
+package code.name.monkey.retromusic.equalizer;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class AudioEffectsReceiver extends BroadcastReceiver {
+
+    public static final String EXTRA_AUDIO_SESSION_ID = "org.oucho.musicplayer.EXTRA_AUDIO_SESSION_ID";
+
+    public static final String ACTION_OPEN_AUDIO_EFFECT_SESSION = "org.oucho.musicplayer.OPEN_AUDIO_EFFECT_SESSION";
+    public static final String ACTION_CLOSE_AUDIO_EFFECT_SESSION = "org.oucho.musicplayer.CLOSE_AUDIO_EFFECT_SESSION";
+
+    public AudioEffectsReceiver() {
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        String action = intent.getAction();
+        int audioSessionId = intent.getIntExtra(EXTRA_AUDIO_SESSION_ID, 0);
+        if (ACTION_OPEN_AUDIO_EFFECT_SESSION.equals(action)) {
+            AudioEffects.openAudioEffectSession(context, audioSessionId);
+        } else if (ACTION_CLOSE_AUDIO_EFFECT_SESSION.equals(action)) {
+            AudioEffects.closeAudioEffectSession();
+        }
+    }
+}

app/src/main/java/code/name/monkey/retromusic/equalizer/EqualizerModel.java

@@ -0,0 +1,70 @@
+package code.name.monkey.retromusic.equalizer;
+
+import java.io.Serializable;
+
+/**
+ * Created by Harjot on 09-Dec-16.
+ */
+
+public class EqualizerModel implements Serializable {
+    private boolean isEqualizerEnabled;
+    private int[] seekbarpos = new int[5];
+    private int presetPos;
+    private short reverbPreset;
+    private short bassStrength;
+    private short virtualizerStrength;
+
+    public EqualizerModel() {
+        isEqualizerEnabled = true;
+        reverbPreset = -1;
+        bassStrength = -1;
+    }
+
+    public boolean isEqualizerEnabled() {
+        return isEqualizerEnabled;
+    }
+
+    public void setEqualizerEnabled(boolean equalizerEnabled) {
+        isEqualizerEnabled = equalizerEnabled;
+    }
+
+    public int[] getSeekbarpos() {
+        return seekbarpos;
+    }
+
+    public void setSeekbarpos(int[] seekbarpos) {
+        this.seekbarpos = seekbarpos;
+    }
+
+    public int getPresetPos() {
+        return presetPos;
+    }
+
+    public void setPresetPos(int presetPos) {
+        this.presetPos = presetPos;
+    }
+
+    public short getReverbPreset() {
+        return reverbPreset;
+    }
+
+    public void setReverbPreset(short reverbPreset) {
+        this.reverbPreset = reverbPreset;
+    }
+
+    public short getBassStrength() {
+        return bassStrength;
+    }
+
+    public void setBassStrength(short bassStrength) {
+        this.bassStrength = bassStrength;
+    }
+
+    public short getVirtualizerStrength() {
+        return virtualizerStrength;
+    }
+
+    public void setVirtualizerStrength(short virtualizerStrength) {
+        this.virtualizerStrength = virtualizerStrength;
+    }
+}

app/src/main/java/code/name/monkey/retromusic/equalizer/Settings.java

@@ -0,0 +1,12 @@
+package code.name.monkey.retromusic.equalizer;
+
+public class Settings {
+    public static boolean isEqualizerEnabled = true;
+    public static boolean isEqualizerReloaded = true;
+    public static int[] seekbarpos = new int[6];
+    public static int presetPos;
+    public static short reverbPreset = -1, bassStrength = -1, virtualizerStrength = -1;
+    public static EqualizerModel equalizerModel;
+    public static double ratio = 1.0;
+    public static boolean isEditing = false;
+}

app/src/main/java/code/name/monkey/retromusic/extensions/ContextExtensions.kt

@@ -0,0 +1,10 @@
+package code.name.monkey.retromusic.extensions
+
+import android.content.Context
+import androidx.annotation.DimenRes
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Context.dip(value: Int): Int = (value * resources.displayMetrics.density).toInt()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Context.dimen(@DimenRes resource: Int): Int = resources.getDimensionPixelSize(resource)

app/src/main/java/code/name/monkey/retromusic/fragments/EqualizerFragment.java

@@ -0,0 +1,399 @@
+package code.name.monkey.retromusic.fragments;
+
+import android.annotation.SuppressLint;
+import android.graphics.Color;
+import android.media.audiofx.BassBoost;
+import android.media.audiofx.Equalizer;
+import android.media.audiofx.PresetReverb;
+import android.os.Bundle;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.CompoundButton;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+import android.widget.SeekBar;
+import android.widget.Spinner;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.SwitchCompat;
+import androidx.fragment.app.Fragment;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+
+import code.name.monkey.appthemehelper.ThemeStore;
+import code.name.monkey.appthemehelper.util.ATHUtil;
+import code.name.monkey.appthemehelper.util.TintHelper;
+import code.name.monkey.retromusic.R;
+import code.name.monkey.retromusic.equalizer.EqualizerModel;
+import code.name.monkey.retromusic.equalizer.Settings;
+import code.name.monkey.retromusic.misc.SimpleOnSeekbarChangeListener;
+import code.name.monkey.retromusic.util.ViewUtil;
+
+
+/**
+ * A simple {@link Fragment} subclass.
+ */
+public class EqualizerFragment extends Fragment {
+
+    private static final String ARG_AUDIO_SESSIOIN_ID = "audio_session_id";
+
+    private Equalizer mEqualizer;
+    private BassBoost bassBoost;
+    private PresetReverb presetReverb;
+
+    private int y = 0;
+    private SeekBar[] seekBarFinal = new SeekBar[5];
+    private Spinner presetSpinner;
+    private int audioSesionId;
+
+    public EqualizerFragment() {
+        // Required empty public constructor
+    }
+
+    public static EqualizerFragment newInstance(int audioSessionId) {
+
+        Bundle args = new Bundle();
+        args.putInt(ARG_AUDIO_SESSIOIN_ID, audioSessionId);
+
+        EqualizerFragment fragment = new EqualizerFragment();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Settings.isEditing = true;
+
+        if (getArguments() != null && getArguments().containsKey(ARG_AUDIO_SESSIOIN_ID)) {
+            audioSesionId = getArguments().getInt(ARG_AUDIO_SESSIOIN_ID);
+        }
+
+        if (Settings.equalizerModel == null) {
+            Settings.equalizerModel = new EqualizerModel();
+            Settings.equalizerModel.setReverbPreset(PresetReverb.PRESET_NONE);
+            Settings.equalizerModel.setBassStrength((short) (1000 / 19));
+        }
+
+        mEqualizer = new Equalizer(0, audioSesionId);
+
+        bassBoost = new BassBoost(0, audioSesionId);
+        bassBoost.setEnabled(Settings.isEqualizerEnabled);
+        BassBoost.Settings bassBoostSettingTemp = bassBoost.getProperties();
+        BassBoost.Settings bassBoostSetting = new BassBoost.Settings(bassBoostSettingTemp.toString());
+        bassBoostSetting.strength = Settings.equalizerModel.getBassStrength();
+        bassBoost.setProperties(bassBoostSetting);
+
+        presetReverb = new PresetReverb(0, audioSesionId);
+        presetReverb.setPreset(Settings.equalizerModel.getReverbPreset());
+        presetReverb.setEnabled(Settings.isEqualizerEnabled);
+
+        mEqualizer.setEnabled(Settings.isEqualizerEnabled);
+
+        if (Settings.presetPos == 0) {
+            for (short bandIdx = 0; bandIdx < mEqualizer.getNumberOfBands(); bandIdx++) {
+                mEqualizer.setBandLevel(bandIdx, (short) Settings.seekbarpos[bandIdx]);
+            }
+        } else {
+            mEqualizer.usePreset((short) Settings.presetPos);
+        }
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_equalizer, container, false);
+    }
+
+    @SuppressLint("SetTextI18n")
+    @Override
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        SwitchCompat equalizerSwitch = view.findViewById(R.id.equalizer_switch);
+        equalizerSwitch.setChecked(Settings.isEqualizerEnabled);
+        TintHelper.setTint(equalizerSwitch, ThemeStore.Companion.accentColor(requireContext()), ATHUtil.INSTANCE.isWindowBackgroundDark(requireContext()));
+        equalizerSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                mEqualizer.setEnabled(isChecked);
+                bassBoost.setEnabled(isChecked);
+                presetReverb.setEnabled(isChecked);
+                Settings.isEqualizerEnabled = isChecked;
+                Settings.equalizerModel.setEqualizerEnabled(isChecked);
+            }
+        });
+
+        presetSpinner = view.findViewById(R.id.equalizer_preset_spinner);
+
+        FrameLayout equalizerBlocker = view.findViewById(R.id.equalizerBlocker);
+
+        SeekBar bassController = view.findViewById(R.id.bassController);
+        SeekBar reverbController = view.findViewById(R.id.reverbController);
+
+        if (!Settings.isEqualizerReloaded) {
+            int x = 0;
+            if (bassBoost != null) {
+                try {
+                    x = ((bassBoost.getRoundedStrength() * 19) / 1000);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+
+            if (presetReverb != null) {
+                try {
+                    y = (presetReverb.getPreset() * 19) / 6;
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+
+            if (x == 0) {
+                bassController.setProgress(1);
+            } else {
+                bassController.setProgress(x);
+            }
+
+            if (y == 0) {
+                reverbController.setProgress(1);
+            } else {
+                reverbController.setProgress(y);
+            }
+        } else {
+            int x = ((Settings.bassStrength * 19) / 1000);
+            y = (Settings.reverbPreset * 19) / 6;
+            if (x == 0) {
+                bassController.setProgress(1);
+            } else {
+                bassController.setProgress(x);
+            }
+
+            if (y == 0) {
+                reverbController.setProgress(1);
+            } else {
+                reverbController.setProgress(y);
+            }
+        }
+        TintHelper.setTint(bassController, ThemeStore.Companion.accentColor(requireContext()), ATHUtil.INSTANCE.isWindowBackgroundDark(requireContext()));
+        bassController.setOnSeekBarChangeListener(new SimpleOnSeekbarChangeListener() {
+            @Override
+            public void onProgressChanged(@NotNull SeekBar seekBar, int progress, boolean fromUser) {
+                super.onProgressChanged(seekBar, progress, fromUser);
+                Settings.bassStrength = (short) (((float) 1000 / 19) * (progress));
+                try {
+                    bassBoost.setStrength(Settings.bassStrength);
+                    Settings.equalizerModel.setBassStrength(Settings.bassStrength);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+
+        TintHelper.setTint(reverbController, ThemeStore.Companion.accentColor(requireContext()), ATHUtil.INSTANCE.isWindowBackgroundDark(requireContext()));
+        reverbController.setOnSeekBarChangeListener(new SimpleOnSeekbarChangeListener() {
+            @Override
+            public void onProgressChanged(@NotNull SeekBar seekBar, int progress, boolean fromUser) {
+                super.onProgressChanged(seekBar, progress, fromUser);
+                Settings.reverbPreset = (short) ((progress * 6) / 19);
+                Settings.equalizerModel.setReverbPreset(Settings.reverbPreset);
+                try {
+                    presetReverb.setPreset(Settings.reverbPreset);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                y = progress;
+            }
+        });
+
+        TextView equalizerHeading = new TextView(getContext());
+        equalizerHeading.setText(R.string.equalizer);
+        equalizerHeading.setTextSize(20);
+        equalizerHeading.setGravity(Gravity.CENTER_HORIZONTAL);
+
+        short numberOfFrequencyBands = 5;
+
+
+        final short lowerEqualizerBandLevel = mEqualizer.getBandLevelRange()[0];
+        final short upperEqualizerBandLevel = mEqualizer.getBandLevelRange()[1];
+
+        for (short i = 0; i < numberOfFrequencyBands; i++) {
+            final short equalizerBandIndex = i;
+            final TextView frequencyHeaderTextView = new TextView(getContext());
+            frequencyHeaderTextView.setLayoutParams(new ViewGroup.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.WRAP_CONTENT
+            ));
+            frequencyHeaderTextView.setGravity(Gravity.CENTER_HORIZONTAL);
+            frequencyHeaderTextView.setTextColor(Color.parseColor("#FFFFFF"));
+            frequencyHeaderTextView.setText((mEqualizer.getCenterFreq(equalizerBandIndex) / 1000) + "Hz");
+
+            LinearLayout seekBarRowLayout = new LinearLayout(getContext());
+            seekBarRowLayout.setOrientation(LinearLayout.VERTICAL);
+
+            TextView lowerEqualizerBandLevelTextView = new TextView(getContext());
+            lowerEqualizerBandLevelTextView.setLayoutParams(new ViewGroup.LayoutParams(
+                    ViewGroup.LayoutParams.WRAP_CONTENT,
+                    ViewGroup.LayoutParams.MATCH_PARENT
+            ));
+            lowerEqualizerBandLevelTextView.setTextColor(Color.parseColor("#FFFFFF"));
+            lowerEqualizerBandLevelTextView.setText((lowerEqualizerBandLevel / 100) + "dB");
+
+            TextView upperEqualizerBandLevelTextView = new TextView(getContext());
+            lowerEqualizerBandLevelTextView.setLayoutParams(new ViewGroup.LayoutParams(
+                    ViewGroup.LayoutParams.WRAP_CONTENT,
+                    ViewGroup.LayoutParams.WRAP_CONTENT
+            ));
+            upperEqualizerBandLevelTextView.setTextColor(Color.parseColor("#FFFFFF"));
+            upperEqualizerBandLevelTextView.setText((upperEqualizerBandLevel / 100) + "dB");
+
+            LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.WRAP_CONTENT
+            );
+            layoutParams.weight = 1;
+
+            SeekBar seekBar = new SeekBar(getContext());
+            TextView textView = new TextView(getContext());
+            switch (i) {
+                case 0:
+                    seekBar = view.findViewById(R.id.seekBar1);
+                    textView = view.findViewById(R.id.textView1);
+                    break;
+                case 1:
+                    seekBar = view.findViewById(R.id.seekBar2);
+                    textView = view.findViewById(R.id.textView2);
+                    break;
+                case 2:
+                    seekBar = view.findViewById(R.id.seekBar3);
+                    textView = view.findViewById(R.id.textView3);
+                    break;
+                case 3:
+                    seekBar = view.findViewById(R.id.seekBar4);
+                    textView = view.findViewById(R.id.textView4);
+                    break;
+                case 4:
+                    seekBar = view.findViewById(R.id.seekBar5);
+                    textView = view.findViewById(R.id.textView5);
+                    break;
+            }
+            seekBarFinal[i] = seekBar;
+            ViewUtil.INSTANCE.setProgressDrawable(seekBar, ThemeStore.Companion.accentColor(requireContext()), true);
+            seekBar.setId(i);
+            seekBar.setMax(upperEqualizerBandLevel - lowerEqualizerBandLevel);
+
+            textView.setText(frequencyHeaderTextView.getText());
+
+            if (Settings.isEqualizerReloaded) {
+
+                seekBar.setProgress(Settings.seekbarpos[i] - lowerEqualizerBandLevel);
+            } else {
+
+                seekBar.setProgress(mEqualizer.getBandLevel(equalizerBandIndex) - lowerEqualizerBandLevel);
+                Settings.seekbarpos[i] = mEqualizer.getBandLevel(equalizerBandIndex);
+                Settings.isEqualizerReloaded = true;
+            }
+
+            seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+                @Override
+                public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                    mEqualizer.setBandLevel(equalizerBandIndex, (short) (progress + lowerEqualizerBandLevel));
+
+                    Settings.seekbarpos[seekBar.getId()] = (progress + lowerEqualizerBandLevel);
+                    Settings.equalizerModel.getSeekbarpos()[seekBar.getId()] = (progress + lowerEqualizerBandLevel);
+                }
+
+                @Override
+                public void onStartTrackingTouch(SeekBar seekBar) {
+                    presetSpinner.setSelection(0);
+                    Settings.presetPos = 0;
+                    Settings.equalizerModel.setPresetPos(0);
+                }
+
+                @Override
+                public void onStopTrackingTouch(SeekBar seekBar) {
+
+                }
+            });
+        }
+
+        equalizeSound();
+
+    }
+
+    void equalizeSound() {
+        ArrayList<String> equalizerPresetNames = new ArrayList<>();
+        ArrayAdapter<String> equalizerPresetSpinnerAdapter = new ArrayAdapter<>(requireContext(),
+                R.layout.dropdown_item,
+                equalizerPresetNames);
+        equalizerPresetSpinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        equalizerPresetNames.add("Custom");
+
+        for (short i = 0; i < mEqualizer.getNumberOfPresets(); i++) {
+            equalizerPresetNames.add(mEqualizer.getPresetName(i));
+        }
+
+        presetSpinner.setAdapter(equalizerPresetSpinnerAdapter);
+        if (Settings.isEqualizerReloaded && Settings.presetPos != 0) {
+            presetSpinner.setSelection(Settings.presetPos);
+        }
+
+        presetSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                try {
+                    if (position != 0) {
+                        mEqualizer.usePreset((short) (position - 1));
+                        Settings.presetPos = position;
+                        short numberOfFreqBands = 5;
+
+                        final short lowerEqualizerBandLevel = mEqualizer.getBandLevelRange()[0];
+
+                        for (short i = 0; i < numberOfFreqBands; i++) {
+                            seekBarFinal[i].setProgress(mEqualizer.getBandLevel(i) - lowerEqualizerBandLevel);
+
+                            Settings.seekbarpos[i] = mEqualizer.getBandLevel(i);
+                            Settings.equalizerModel.getSeekbarpos()[i] = mEqualizer.getBandLevel(i);
+                        }
+                    }
+                } catch (Exception e) {
+                    Toast.makeText(requireContext(), "Error while updating Equalizer", Toast.LENGTH_SHORT).show();
+                }
+                Settings.equalizerModel.setPresetPos(position);
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {
+
+            }
+        });
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (mEqualizer != null) {
+            mEqualizer.release();
+        }
+
+        if (bassBoost != null) {
+            bassBoost.release();
+        }
+
+        if (presetReverb != null) {
+            presetReverb.release();
+        }
+
+        Settings.isEditing = false;
+    }
+}

app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsLibraryPagerRecyclerViewFragment.kt

@@ -8,17 +8,13 @@ import androidx.annotation.NonNull
 import androidx.annotation.StringRes
 import androidx.recyclerview.widget.RecyclerView
 import code.name.monkey.retromusic.R
-import code.name.monkey.retromusic.helper.MusicPlayerRemote
-import code.name.monkey.retromusic.util.DensityUtil
 import code.name.monkey.retromusic.util.ThemedFastScroller.create
-import code.name.monkey.retromusic.views.ScrollingViewOnApplyWindowInsetsListener
-import com.google.android.material.appbar.AppBarLayout
 import kotlinx.android.synthetic.main.fragment_main_activity_recycler_view.*
 import me.zhanghai.android.fastscroll.FastScroller
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>, LM : RecyclerView.LayoutManager> :
-    AbsLibraryPagerFragment(), AppBarLayout.OnOffsetChangedListener {
+    AbsLibraryPagerFragment() {
 
     protected var adapter: A? = null
     protected var layoutManager: LM? = null
@@ -31,7 +27,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        mainActivity.addOnAppBarOffsetChangedListener(this)
         initLayoutManager()
         initAdapter()
         setUpRecyclerView()
@@ -41,13 +36,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         recyclerView.layoutManager = layoutManager
         recyclerView.adapter = adapter
         val fastScroller = create(recyclerView)
-        recyclerView.setOnApplyWindowInsetsListener(
-            ScrollingViewOnApplyWindowInsetsListener(
-                recyclerView,
-                fastScroller
-            )
-        )
-        checkForPadding()
     }
 
     protected open fun createFastScroller(recyclerView: RecyclerView): FastScroller {
@@ -60,7 +48,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
             override fun onChanged() {
                 super.onChanged()
                 checkIsEmpty()
-                checkForPadding()
             }
         })
     }
@@ -78,18 +65,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         empty.visibility = if (adapter!!.itemCount == 0) View.VISIBLE else View.GONE
     }
 
-    private fun checkForPadding() {
-        val itemCount: Int = adapter?.itemCount ?: 0
-        val params = container.layoutParams as ViewGroup.MarginLayoutParams
-        if (itemCount > 0 && MusicPlayerRemote.playingQueue.isNotEmpty()) {
-            val height = DensityUtil.dip2px(requireContext(), 104f)
-            params.bottomMargin = height
-        } else {
-            val height = DensityUtil.dip2px(requireContext(), 52f)
-            params.bottomMargin = height
-        }
-    }
-
     private fun initLayoutManager() {
         layoutManager = createLayoutManager()
     }
@@ -99,25 +74,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
     @NonNull
     protected abstract fun createAdapter(): A
 
-    override fun onOffsetChanged(p0: AppBarLayout?, i: Int) {
-        container.setPadding(
-            container.paddingLeft,
-            container.paddingTop,
-            container.paddingRight,
-            mainActivity.totalAppBarScrollingRange + i
-        )
-    }
-
-    override fun onQueueChanged() {
-        super.onQueueChanged()
-        checkForPadding()
-    }
-
-    override fun onServiceConnected() {
-        super.onServiceConnected()
-        checkForPadding()
-    }
-
     protected fun invalidateLayoutManager() {
         initLayoutManager()
         recyclerView.layoutManager = layoutManager
@@ -129,11 +85,6 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         recyclerView.adapter = adapter
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        mainActivity.removeOnAppBarOffsetChangedListener(this)
-    }
-
     fun recyclerView(): RecyclerView {
         return recyclerView
     }

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/AlbumsFragment.kt

@@ -12,6 +12,7 @@ import code.name.monkey.retromusic.model.Album
 import code.name.monkey.retromusic.mvp.presenter.AlbumsPresenter
 import code.name.monkey.retromusic.mvp.presenter.AlbumsView
 import code.name.monkey.retromusic.util.PreferenceUtil
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import javax.inject.Inject
 
 class AlbumsFragment :
@@ -51,7 +52,7 @@ class AlbumsFragment :
         get() = R.string.no_albums
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireActivity(), getGridSize())
+        return OverScrollGridLayoutManager(requireActivity(), getGridSize())
     }
 
     override fun createAdapter(): AlbumAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/ArtistsFragment.kt

@@ -12,6 +12,7 @@ import code.name.monkey.retromusic.model.Artist
 import code.name.monkey.retromusic.mvp.presenter.ArtistsPresenter
 import code.name.monkey.retromusic.mvp.presenter.ArtistsView
 import code.name.monkey.retromusic.util.PreferenceUtil
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import javax.inject.Inject
 
 class ArtistsFragment :
@@ -63,7 +64,7 @@ class ArtistsFragment :
     }
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireActivity(), getGridSize())
+        return OverScrollGridLayoutManager(requireActivity(), getGridSize())
     }
 
     override fun createAdapter(): ArtistAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/BannerHomeFragment.kt

@@ -20,6 +20,7 @@ import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import code.name.monkey.retromusic.App
 import code.name.monkey.retromusic.Constants
@@ -41,9 +42,12 @@ import code.name.monkey.retromusic.util.NavigationUtil
 import code.name.monkey.retromusic.util.PreferenceUtil
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.engine.DiskCacheStrategy
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager
 import kotlinx.android.synthetic.main.abs_playlists.*
 import kotlinx.android.synthetic.main.fragment_banner_home.*
 import kotlinx.android.synthetic.main.home_content.*
+import kotlinx.coroutines.async
+import kotlinx.coroutines.launch
 import java.io.File
 import java.util.*
 import javax.inject.Inject
@@ -119,7 +123,10 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
         }
 
         actionShuffle.setOnClickListener {
-            MusicPlayerRemote.openAndShuffleQueue(SongLoader.getAllSongs(requireActivity()), true)
+            lifecycleScope.launch {
+                val songs = async { SongLoader.getAllSongs(requireContext()) }
+                MusicPlayerRemote.openAndShuffleQueue(songs.await(), true)
+            }
         }
 
         history.setOnClickListener {
@@ -141,7 +148,7 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
         homeAdapter = HomeAdapter(mainActivity, displayMetrics)
 
         recyclerView.apply {
-            layoutManager = LinearLayoutManager(mainActivity)
+            layoutManager = OverScrollLinearLayoutManager(mainActivity)
             adapter = homeAdapter
         }
         homePresenter.attachView(this)

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/FoldersFragment.java

@@ -74,6 +74,7 @@ import code.name.monkey.retromusic.util.RetroColorUtil;
 import code.name.monkey.retromusic.util.ThemedFastScroller;
 import code.name.monkey.retromusic.views.BreadCrumbLayout;
 import code.name.monkey.retromusic.views.ScrollingViewOnApplyWindowInsetsListener;
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager;
 import me.zhanghai.android.fastscroll.FastScroller;
 
 public class FoldersFragment extends AbsMainActivityFragment implements
@@ -478,7 +479,7 @@ public class FoldersFragment extends AbsMainActivityFragment implements
     }
 
     private void setUpRecyclerView() {
-        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+        recyclerView.setLayoutManager(new OverScrollLinearLayoutManager(getActivity()));
         FastScroller fastScroller = ThemedFastScroller.INSTANCE.create(recyclerView);
         recyclerView.setOnApplyWindowInsetsListener(
                 new ScrollingViewOnApplyWindowInsetsListener(recyclerView, fastScroller));

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/GenresFragment.kt

@@ -25,6 +25,7 @@ import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.model.Genre
 import code.name.monkey.retromusic.mvp.presenter.GenresPresenter
 import code.name.monkey.retromusic.mvp.presenter.GenresView
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager
 import javax.inject.Inject
 
 class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearLayoutManager>(),
@@ -42,7 +43,7 @@ class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearL
     }
 
     override fun createLayoutManager(): LinearLayoutManager {
-        return LinearLayoutManager(activity)
+        return OverScrollLinearLayoutManager(activity)
     }
 
     override fun createAdapter(): GenreAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/PlayingQueueFragment.kt

@@ -28,6 +28,7 @@ import com.h6ah4i.android.widget.advrecyclerview.draggable.RecyclerViewDragDropM
 import com.h6ah4i.android.widget.advrecyclerview.swipeable.RecyclerViewSwipeManager
 import com.h6ah4i.android.widget.advrecyclerview.touchguard.RecyclerViewTouchActionGuardManager
 import com.h6ah4i.android.widget.advrecyclerview.utils.WrapperAdapterUtils
+import dev.olog.scrollhelper.layoutmanagers.OverScrollLinearLayoutManager
 import kotlinx.android.synthetic.main.activity_playing_queue.*
 
 /**
@@ -73,7 +74,7 @@ class PlayingQueueFragment :
     }
 
     override fun createLayoutManager(): LinearLayoutManager {
-        return LinearLayoutManager(requireContext())
+        return OverScrollLinearLayoutManager(requireContext())
     }
 
     override fun createAdapter(): PlayingQueueAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/PlaylistsFragment.kt

@@ -13,6 +13,7 @@ import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.model.Playlist
 import code.name.monkey.retromusic.mvp.presenter.PlaylistView
 import code.name.monkey.retromusic.mvp.presenter.PlaylistsPresenter
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import javax.inject.Inject
 
 class PlaylistsFragment :
@@ -40,7 +41,7 @@ class PlaylistsFragment :
     }
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireContext(), 1)
+        return OverScrollGridLayoutManager(requireContext(), 1)
     }
 
     override fun createAdapter(): PlaylistAdapter {

app/src/main/java/code/name/monkey/retromusic/fragments/mainactivity/SongsFragment.kt

@@ -14,6 +14,7 @@ import code.name.monkey.retromusic.model.Song
 import code.name.monkey.retromusic.mvp.presenter.SongPresenter
 import code.name.monkey.retromusic.mvp.presenter.SongView
 import code.name.monkey.retromusic.util.PreferenceUtil
+import dev.olog.scrollhelper.layoutmanagers.OverScrollGridLayoutManager
 import java.util.*
 import javax.inject.Inject
 
@@ -39,7 +40,7 @@ class SongsFragment :
     }
 
     override fun createLayoutManager(): GridLayoutManager {
-        return GridLayoutManager(requireActivity(), getGridSize()).apply {
+        return OverScrollGridLayoutManager(requireActivity(), getGridSize()).apply {
             spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
                 override fun getSpanSize(position: Int): Int {
                     return if (position == 0) {

app/src/main/java/code/name/monkey/retromusic/fragments/settings/ThemeSettingsFragment.kt

@@ -16,7 +16,6 @@ package code.name.monkey.retromusic.fragments.settings
 
 import android.os.Build
 import android.os.Bundle
-import android.os.Handler
 import androidx.preference.Preference
 import androidx.preference.TwoStatePreference
 import code.name.monkey.appthemehelper.ACCENT_COLORS
@@ -54,9 +53,7 @@ class ThemeSettingsFragment : AbsSettingsFragment() {
                     requireActivity().setTheme(PreferenceUtil.getThemeResFromPrefValue(theme))
                     DynamicShortcutManager(requireContext()).updateDynamicShortcuts()
                 }
-                Handler().postDelayed({
+                requireActivity().recreate()
-                    requireActivity().recreate()
-                }, 400)
                 true
             }
         }
@@ -78,9 +75,7 @@ class ThemeSettingsFragment : AbsSettingsFragment() {
                     ThemeStore.editTheme(requireContext()).accentColor(color).commit()
                     if (VersionUtils.hasNougatMR())
                         DynamicShortcutManager(requireContext()).updateDynamicShortcuts()
-                    Handler().postDelayed({
+                    requireActivity().recreate()
-                        requireActivity().recreate()
-                    }, 400)
                 }
             }
             return@setOnPreferenceClickListener true
@@ -96,9 +91,7 @@ class ThemeSettingsFragment : AbsSettingsFragment() {
                 requireActivity().setTheme(PreferenceUtil.getThemeResFromPrefValue("black"))
                 DynamicShortcutManager(requireContext()).updateDynamicShortcuts()
             }
-            Handler().postDelayed({
+            requireActivity().recreate()
-                requireActivity().recreate()
-            }, 400)
             true
         }
 
@@ -109,9 +102,7 @@ class ThemeSettingsFragment : AbsSettingsFragment() {
             ThemeStore.prefs(requireContext()).edit().putBoolean("desaturated_color", desaturated)
                 .apply()
             PreferenceUtil.getInstance(requireContext()).setDesaturatedColor(desaturated)
-            Handler().postDelayed({
+            requireActivity().recreate()
-                requireActivity().recreate()
-            }, 400)
             true
         }
 

app/src/main/java/code/name/monkey/retromusic/model/Band.java

@@ -0,0 +1,29 @@
+package code.name.monkey.retromusic.model;
+
+public class Band {
+    public final int centerFreq;
+    public short level;
+
+    private final int[] freqRange;
+    public final int freqLow;
+    public final int freqHigh;
+    public final short rangeMin;
+    public final short rangeMax;
+
+    public Band(int centerFreq, short level, int[] freqRange, short rangeMin, short rangeMax) {
+        this.centerFreq = centerFreq;
+        this.level = level;
+        this.freqRange = freqRange;
+
+        if (0 < freqRange.length) {
+            freqLow = freqRange[0];
+            freqHigh = freqRange[freqRange.length - 1];
+        } else {
+            freqLow = 0;
+            freqHigh = 0;
+        }
+
+        this.rangeMin = rangeMin;
+        this.rangeMax = rangeMax;
+    }
+}

app/src/main/java/code/name/monkey/retromusic/service/MusicService.java

@@ -68,6 +68,7 @@ import code.name.monkey.retromusic.appwidgets.AppWidgetCard;
 import code.name.monkey.retromusic.appwidgets.AppWidgetClassic;
 import code.name.monkey.retromusic.appwidgets.AppWidgetSmall;
 import code.name.monkey.retromusic.appwidgets.AppWidgetText;
+import code.name.monkey.retromusic.equalizer.AudioEffectsReceiver;
 import code.name.monkey.retromusic.glide.BlurTransformation;
 import code.name.monkey.retromusic.glide.SongGlideRequest;
 import code.name.monkey.retromusic.helper.ShuffleHelper;
@@ -392,6 +393,11 @@ public class MusicService extends Service implements
 
         registerHeadsetEvents();
         registerBluetoothConnected();
+
+        Intent i = new Intent(this, AudioEffectsReceiver.class);
+        i.setAction(AudioEffectsReceiver.ACTION_OPEN_AUDIO_EFFECT_SESSION);
+        i.putExtra(AudioEffectsReceiver.EXTRA_AUDIO_SESSION_ID, getAudioSessionId());
+        sendBroadcast(i);
     }
 
     @Override
@@ -416,7 +422,9 @@ public class MusicService extends Service implements
         getContentResolver().unregisterContentObserver(mediaStoreObserver);
         PreferenceUtil.getInstance(this).unregisterOnSharedPreferenceChangedListener(this);
         wakeLock.release();
-
+        Intent i = new Intent(this, AudioEffectsReceiver.class);
+        i.setAction(AudioEffectsReceiver.ACTION_CLOSE_AUDIO_EFFECT_SESSION);
+        sendBroadcast(i);
         sendBroadcast(new Intent("code.name.monkey.retromusic.RETRO_MUSIC_SERVICE_DESTROYED"));
     }
 

app/src/main/java/code/name/monkey/retromusic/util/AppExecutors.kt

@@ -0,0 +1,16 @@
+package code.name.monkey.retromusic.util
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+
+const val THREAD_COUNT = 3
+
+/**
+ * Global executor pools for the whole application.
+ *
+ * Grouping tasks like this avoids the effects of task starvation (e.g. disk reads don't wait behind
+ * webservice requests).
+ */
+open class AppExecutors constructor(
+    val ioContext: CoroutineDispatcher = Dispatchers.IO
+)

app/src/main/java/code/name/monkey/retromusic/util/ThemedFastScroller.kt

@@ -18,11 +18,13 @@ import code.name.monkey.appthemehelper.ThemeStore.Companion.accentColor
 import code.name.monkey.appthemehelper.util.ColorUtil.isColorLight
 import code.name.monkey.appthemehelper.util.MaterialValueHelper.getPrimaryTextColor
 import code.name.monkey.appthemehelper.util.TintHelper
+import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.extensions.dimen
+import code.name.monkey.retromusic.extensions.dip
 import code.name.monkey.retromusic.views.PopupBackground
 import me.zhanghai.android.fastscroll.FastScroller
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 import me.zhanghai.android.fastscroll.PopupStyles
-import me.zhanghai.android.fastscroll.R
 
 object ThemedFastScroller {
     fun create(view: ViewGroup): FastScroller {
@@ -37,6 +39,13 @@ object ThemedFastScroller {
             popupText.setTextColor(textColor)
         }
 
+        fastScrollerBuilder.setPadding(
+            0,
+            view.context.dimen(R.dimen.toolbar_height) + view.context.dip(8),
+            0,
+            view.context.dimen(R.dimen.mini_player_height)
+        )
+
         fastScrollerBuilder.setThumbDrawable(
             TintHelper.createTintedDrawable(
                 context,

app/src/main/java/code/name/monkey/retromusic/views/StatusBarView.java

@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by
- *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- */
-
-package code.name.monkey.retromusic.views;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.util.AttributeSet;
-import android.view.View;
-
-import androidx.annotation.NonNull;
-
-public class StatusBarView extends View {
-
-
-    public StatusBarView(@NonNull Context context) {
-        super(context);
-        init(context);
-    }
-
-    public StatusBarView(@NonNull Context context, @NonNull AttributeSet attrs) {
-        super(context, attrs);
-        init(context);
-    }
-
-    public StatusBarView(@NonNull Context context, @NonNull AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        init(context);
-    }
-
-    public static int getStatusBarHeight(@NonNull Resources r) {
-        int result = 0;
-        int resourceId = r.getIdentifier("status_bar_height", "dimen", "android");
-        if (resourceId > 0) {
-            result = r.getDimensionPixelSize(resourceId);
-        }
-        return result;
-    }
-
-    private void init(Context context) {
-
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), getStatusBarHeight(getResources()));
-    }
-}

app/src/main/java/code/name/monkey/retromusic/views/StatusBarView.kt

@@ -0,0 +1,30 @@
+package code.name.monkey.retromusic.views
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+
+class StatusBarView(
+    context: Context,
+    attrs: AttributeSet
+) : View(context, attrs) {
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        if (isInEditMode){
+            return
+        }
+        setOnApplyWindowInsetsListener { _, insets ->
+            val height = insets?.systemWindowInsetTop ?: 0
+            setHeight(height)
+            insets
+        }
+    }
+
+    private fun setHeight(px: Int) {
+        val params = layoutParams ?: return
+        params.height = px
+        layoutParams = params
+    }
+
+}

app/src/main/res/drawable/custom_equalizer_thumb.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:drawable="@drawable/custom_thumb_src" android:state_enabled="false" />
+    <item android:drawable="@drawable/custom_thumb_src" android:state_pressed="true" />
+    <item android:drawable="@drawable/custom_thumb_src" android:state_selected="true" />
+    <item android:drawable="@drawable/custom_thumb_src" />
+</selector>

app/src/main/res/drawable/custom_thumb_src.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+
+    <solid android:color="#FFFFFF" />
+    <!--<solid android:color="#FFA036" />-->
+
+    <size
+        android:width="16dp"
+        android:height="16dp" />
+</shape>

app/src/main/res/drawable/line_button.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="oval">
+    android:shape="rectangle">
-    <corners android:radius="35dp" />
+    <corners android:radius="4dp" />
     <stroke
-        android:width="2dp"
+        android:width="1dp"
-        android:color="@color/md_white_1000" />
+        android:color="?android:attr/textColorSecondary" />
 
 </shape>

app/src/main/res/layout/activity_equalizer.xml

@@ -0,0 +1,145 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appBarLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_collapseMode="pin"
+            app:navigationIcon="@drawable/ic_keyboard_backspace_black_24dp"
+            app:title="@string/equalizer">
+
+            <androidx.appcompat.widget.SwitchCompat
+                android:id="@+id/equalizerSwitch"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="end"
+                android:padding="16dp"
+                android:textAppearance="@style/TextViewSubtitle2" />
+        </androidx.appcompat.widget.Toolbar>
+
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
+
+        <LinearLayout
+            android:id="@+id/content"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="8dp"
+                android:background="@drawable/line_button"
+                android:orientation="horizontal">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:padding="16dp"
+                    android:text="@string/select_preset"
+                    android:textAppearance="@style/TextViewSubtitle1" />
+
+                <androidx.appcompat.widget.AppCompatSpinner
+                    android:id="@+id/presets"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:spinnerMode="dialog" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/frequencyBands"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp" />
+
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:layout_margin="16dp"
+                android:background="?android:attr/dividerHorizontal" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center_vertical"
+                android:orientation="horizontal">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/bassBoost"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="0"
+                    android:padding="16dp"
+                    android:text="@string/bass_boost"
+                    android:textAppearance="@style/TextViewSubtitle1" />
+
+                <androidx.appcompat.widget.AppCompatSeekBar
+                    android:id="@+id/bassBoostStrength"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:max="1000"
+                    android:maxHeight="3dp"
+                    android:padding="16dp"
+                    android:progressDrawable="@drawable/color_progress_seek"
+                    android:splitTrack="false"
+                    tools:progress="20" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center_vertical"
+                android:orientation="horizontal">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/virtualizer"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="0"
+                    android:padding="16dp"
+                    android:text="@string/virtualizer"
+                    android:textAppearance="@style/TextViewSubtitle1" />
+
+                <androidx.appcompat.widget.AppCompatSeekBar
+                    android:id="@+id/virtualizerStrength"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:max="1000"
+                    android:maxHeight="3dp"
+                    android:padding="16dp"
+                    android:progressDrawable="@drawable/color_progress_seek"
+                    android:splitTrack="false"
+                    tools:progress="20" />
+            </LinearLayout>
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:padding="16dp"
+                android:text="*Warning: It's alpha version. We don't recommend to use Equalizer, We believe without using Equalizer songs has better sound quality." />
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/activity_main_content.xml

@@ -1,79 +1,71 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?colorSurface"
+    android:background="?colorSurface">
-    android:orientation="vertical">
+
+<!--    TODO in order to work, children has to be defined in reverse drawing order-->
+<!--    TODO so: first fragment_container, than toolbar, than statusbar -->
 
     <FrameLayout
-        android:layout_width="match_parent"
+        android:id="@+id/fragment_container"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintTop_toBottomOf="@+id/status_bar"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"/>
+
+    <com.google.android.material.card.MaterialCardView
+        android:id="@+id/toolbarContainer"
+        app:layout_constraintTop_toBottomOf="@+id/status_bar"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:elevation="0dp"
+        app:cardCornerRadius="8dp"
-        tools:ignore="UnusedAttribute">
+        app:cardUseCompatPadding="true"
-
+        app:layout_scrollFlags="scroll|enterAlways">
-        <include layout="@layout/status_bar" />
-
-    </FrameLayout>
-
-    <androidx.coordinatorlayout.widget.CoordinatorLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <com.google.android.material.appbar.AppBarLayout
-            android:id="@+id/appBarLayout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:background="@android:color/transparent"
-            android:elevation="0dp"
-            app:elevation="0dp"
-            app:liftOnScroll="true">
-
-            <com.google.android.material.card.MaterialCardView
-                android:id="@+id/toolbarContainer"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                app:cardCornerRadius="8dp"
-                app:cardUseCompatPadding="true"
-                app:layout_scrollFlags="scroll|enterAlways">
-
-                <FrameLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content">
-
-                    <androidx.appcompat.widget.Toolbar
-                        android:id="@+id/toolbar"
-                        android:layout_width="match_parent"
-                        android:layout_height="@dimen/toolbar_height"
-                        android:background="?attr/colorSurface"
-                        app:popupTheme="?attr/toolbarPopupTheme"
-                        app:titleTextColor="?attr/colorControlNormal"
-                        app:titleTextAppearance="@style/TextViewHeadline6"
-                        tools:ignore="UnusedAttribute">
-
-                        <com.google.android.material.textview.MaterialTextView
-                            android:id="@+id/appTitle"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:gravity="center"
-                            android:text="@string/app_name"
-                            android:textColor="?attr/colorControlNormal"
-                            android:textAppearance="@style/TextViewHeadline6" />
-                    </androidx.appcompat.widget.Toolbar>
-
-                    <ViewStub
-                        android:id="@+id/cab_stub"
-                        android:layout_width="match_parent"
-                        android:layout_height="@dimen/toolbar_height" />
-                </FrameLayout>
-            </com.google.android.material.card.MaterialCardView>
-        </com.google.android.material.appbar.AppBarLayout>
 
         <FrameLayout
-            android:id="@+id/fragment_container"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
+            android:layout_height="wrap_content">
-            app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
+
-    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+            <androidx.appcompat.widget.Toolbar
-</LinearLayout>
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/toolbar_height"
+                android:background="?attr/colorSurface"
+                app:popupTheme="?attr/toolbarPopupTheme"
+                app:titleTextColor="?attr/colorControlNormal"
+                app:titleTextAppearance="@style/TextViewHeadline6"
+                tools:ignore="UnusedAttribute">
+
+                <com.google.android.material.textview.MaterialTextView
+                    android:id="@+id/appTitle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:gravity="center"
+                    android:text="@string/app_name"
+                    android:textColor="?attr/colorControlNormal"
+                    android:textAppearance="@style/TextViewHeadline6" />
+            </androidx.appcompat.widget.Toolbar>
+
+            <ViewStub
+                android:id="@+id/cab_stub"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/toolbar_height" />
+        </FrameLayout>
+    </com.google.android.material.card.MaterialCardView>
+
+    <include layout="@layout/status_bar"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_width="0dp"
+        tools:layout_height="24dp"
+        android:layout_height="wrap_content"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_user_info.xml

@@ -97,7 +97,8 @@
                     app:retroCornerSize="36dp"
                     app:srcCompat="@drawable/ic_person_flat"
                     app:strokeColor="?attr/colorSurface"
-                    app:strokeWidth="2dp" />
+                    app:strokeWidth="2dp"
+                    tools:src="@tools:sample/avatars" />
 
                 <androidx.appcompat.widget.AppCompatImageView
                     android:layout_width="wrap_content"

app/src/main/res/layout/dropdown_item.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.textview.MaterialTextView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@android:id/text1"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="16dp"
+    android:textAppearance="@style/TextViewBody1"
+    tools:text="@tools:sample/full_names" />

app/src/main/res/layout/equalizer_slider.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="horizontal"
+    android:padding="16dp">
+
+    <TextView
+        android:id="@+id/frequency"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_gravity="center_vertical"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:maxLines="1" />
+
+    <SeekBar
+        android:id="@+id/seekBar"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_weight="5" />
+
+    <TextView
+        android:id="@+id/dbLevel"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_gravity="center_vertical"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:maxLines="1" />
+
+</LinearLayout>

app/src/main/res/layout/fragment_banner_home.xml

@@ -17,6 +17,7 @@
     android:id="@+id/container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:layout_marginTop="@dimen/toolbar_height"
     app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
 
     <androidx.constraintlayout.widget.ConstraintLayout

app/src/main/res/layout/fragment_equalizer.xml

@@ -0,0 +1,318 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.appcompat.widget.SwitchCompat
+        android:id="@+id/equalizer_switch"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_centerVertical="true"
+        android:layout_gravity="end|center_vertical"
+        android:padding="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+    <androidx.appcompat.widget.AppCompatSpinner
+        android:id="@+id/equalizer_preset_spinner"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:background="@drawable/line_button"
+        android:spinnerMode="dialog"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/equalizer_switch" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/equalizerContainer"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintDimensionRatio="4:3"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/equalizer_preset_spinner">
+
+        <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper
+            android:id="@+id/seekBar1Wrap"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toTopOf="@id/textView1"
+            app:layout_constraintEnd_toStartOf="@+id/seekBar2Wrap"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBar
+                android:id="@+id/seekBar1"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_marginTop="22dp"
+                android:maxHeight="3dp"
+                android:progressDrawable="@drawable/color_progress_seek"
+                android:thumb="@drawable/switch_thumb_material"
+                app:seekBarRotation="CW270"
+                tools:progress="100" />
+        </com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper>
+
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/textView1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/TextViewNormal"
+            android:textColor="?android:attr/textColorSecondary"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@id/seekBar1Wrap"
+            app:layout_constraintStart_toStartOf="@id/seekBar1Wrap"
+            app:layout_constraintTop_toBottomOf="@id/seekBar1Wrap"
+            tools:text="10000 Hz" />
+
+
+        <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper
+            android:id="@+id/seekBar2Wrap"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toTopOf="@id/textView2"
+            app:layout_constraintEnd_toStartOf="@+id/seekBar3Wrap"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/seekBar1Wrap"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBar
+                android:id="@+id/seekBar2"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_marginTop="22dp"
+                android:maxHeight="3dp"
+                android:progressDrawable="@drawable/color_progress_seek"
+                android:thumb="@drawable/switch_thumb_material"
+                app:seekBarRotation="CW270"
+                tools:progress="100" />
+        </com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper>
+
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/textView2"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/TextViewNormal"
+            android:textColor="?android:attr/textColorSecondary"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@id/seekBar2Wrap"
+            app:layout_constraintStart_toStartOf="@id/seekBar2Wrap"
+            app:layout_constraintTop_toBottomOf="@id/seekBar2Wrap"
+            tools:text="10000 Hz" />
+
+        <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper
+            android:id="@+id/seekBar3Wrap"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_weight="8"
+            app:layout_constraintBottom_toTopOf="@id/textView3"
+            app:layout_constraintEnd_toStartOf="@+id/seekBar4Wrap"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/seekBar2Wrap"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:layout_editor_absoluteY="3dp">
+
+            <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBar
+                android:id="@+id/seekBar3"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_marginTop="22dp"
+                android:maxHeight="3dp"
+                android:progressDrawable="@drawable/color_progress_seek"
+                android:thumb="@drawable/switch_thumb_material"
+                app:seekBarRotation="CW270" />
+        </com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper>
+
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/textView3"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/TextViewNormal"
+            android:textColor="?android:attr/textColorSecondary"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@id/seekBar3Wrap"
+            app:layout_constraintStart_toStartOf="@id/seekBar3Wrap"
+            app:layout_constraintTop_toBottomOf="@id/seekBar3Wrap"
+            tools:text="10000 Hz" />
+
+
+        <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper
+            android:id="@+id/seekBar4Wrap"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toTopOf="@id/textView4"
+            app:layout_constraintEnd_toStartOf="@+id/seekBar5Wrap"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/seekBar3Wrap"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:layout_editor_absoluteY="3dp">
+
+            <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBar
+                android:id="@+id/seekBar4"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_marginTop="22dp"
+                android:maxHeight="3dp"
+                android:progressDrawable="@drawable/color_progress_seek"
+                android:thumb="@drawable/switch_thumb_material"
+                app:seekBarRotation="CW270" />
+        </com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper>
+
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/textView4"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/TextViewNormal"
+            android:textColor="?android:attr/textColorSecondary"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@id/seekBar4Wrap"
+            app:layout_constraintStart_toStartOf="@id/seekBar4Wrap"
+            app:layout_constraintTop_toBottomOf="@id/seekBar4Wrap"
+            tools:text="10000 Hz" />
+
+
+        <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper
+            android:id="@+id/seekBar5Wrap"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toTopOf="@id/textView5"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/seekBar4Wrap"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:layout_editor_absoluteY="3dp">
+
+            <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBar
+                android:id="@+id/seekBar5"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_marginTop="22dp"
+                android:maxHeight="3dp"
+                android:progressDrawable="@drawable/color_progress_seek"
+                android:thumb="@drawable/switch_thumb_material"
+                app:seekBarRotation="CW270" />
+        </com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper>
+
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/textView5"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/TextViewNormal"
+            android:textColor="?android:attr/textColorSecondary"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@id/seekBar5Wrap"
+            app:layout_constraintStart_toStartOf="@id/seekBar5Wrap"
+            app:layout_constraintTop_toBottomOf="@id/seekBar5Wrap"
+            tools:text="10000 Hz" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <View
+        android:id="@+id/divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/equalizerContainer" />
+
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/bassBoostText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="16dp"
+        android:text="@string/bass_boost"
+        android:textAppearance="@style/TextViewNormal"
+        android:textColor="?android:attr/textColorPrimary"
+        android:textStyle="bold"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/divider"
+        app:layout_constraintVertical_bias="0.5" />
+
+    <androidx.appcompat.widget.AppCompatSeekBar
+        android:id="@+id/bassController"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:maxHeight="3dp"
+        android:progressDrawable="@drawable/color_progress_seek"
+        android:thumb="@drawable/switch_thumb_material"
+        app:layout_constraintBottom_toBottomOf="@id/bassBoostText"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/bassBoostText"
+        app:layout_constraintTop_toTopOf="@id/bassBoostText" />
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/controllerText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="16dp"
+        android:text="@string/virtualizer"
+        android:textAppearance="@style/TextViewNormal"
+        android:textColor="?android:attr/textColorPrimary"
+        android:textStyle="bold"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/bassBoostText"
+        app:layout_constraintVertical_bias="0.5" />
+
+    <androidx.appcompat.widget.AppCompatSeekBar
+        android:id="@+id/reverbController"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:maxHeight="3dp"
+        android:progressDrawable="@drawable/color_progress_seek"
+        android:thumb="@drawable/switch_thumb_material"
+        app:layout_constraintBottom_toBottomOf="@id/controllerText"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/controllerText"
+        app:layout_constraintTop_toTopOf="@id/controllerText" />
+
+    <!--<code.name.monkey.retromusic.equalizer.AnalogController
+        android:id="@+id/controllerBass"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintDimensionRatio="1:1"
+        app:layout_constraintEnd_toStartOf="@+id/controller3D"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/equalizer_preset_spinner" />
+
+
+    <code.name.monkey.retromusic.equalizer.AnalogController
+        android:id="@+id/controller3D"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintDimensionRatio="1:1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/controllerBass"
+        app:layout_constraintTop_toBottomOf="@id/equalizer_preset_spinner" />-->
+
+
+    <FrameLayout
+        android:id="@+id/equalizerBlocker"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:alpha="0.7"
+        android:background="@android:color/transparent"
+        android:clickable="true"
+        android:visibility="invisible" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_home.xml

@@ -17,6 +17,7 @@
     android:id="@+id/container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:layout_marginTop="@dimen/toolbar_height"
     app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
 
     <androidx.constraintlayout.widget.ConstraintLayout

app/src/main/res/layout/fragment_main_activity_recycler_view.xml

@@ -6,15 +6,16 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+<!--    TODO note that recycler view has to cover the entire screen -->
+<!--    TODO so has to be drawn under bottom navigation, toolbar, ecc, but has to be below statusbar-->
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recyclerView"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="match_parent"
         android:clipToPadding="false"
         android:layoutAnimation="@anim/layout_animation_fall_down"
         android:overScrollMode="never"
         android:scrollbars="none"
-        app:layout_dodgeInsetEdges="bottom"
         tools:listitem="@layout/item_list" />
 
     <LinearLayout

app/src/main/res/layout/freq_level_item.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:padding="16dp">
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/centerFreq"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:text="12Khz" />
+
+
+    <androidx.appcompat.widget.AppCompatSeekBar
+        android:id="@+id/seekBar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/currentLevel"
+        android:layout_width="50dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical" />
+</LinearLayout>

app/src/main/res/layout/retro_seekbar.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingTop="16dp"
+    android:paddingBottom="16dp">
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/hurtz"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:paddingStart="8dp"
+        android:paddingEnd="0dp"
+        app:layout_constrainedWidth="true"
+        app:layout_constraintEnd_toStartOf="@id/guideline"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="10000 Hz" />
+
+
+    <androidx.appcompat.widget.AppCompatSeekBar
+        android:id="@+id/seekbar"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:maxHeight="3dp"
+        android:progressDrawable="@drawable/color_progress_seek"
+        android:splitTrack="false"
+        app:layout_constrainedWidth="true"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/guideline"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:progress="20" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_begin="72dp" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/sliding_music_panel_layout.xml

@@ -37,7 +37,7 @@
             android:id="@+id/miniPlayerFragment"
             android:name="code.name.monkey.retromusic.fragments.MiniPlayerFragment"
             android:layout_width="match_parent"
-            android:layout_height="48dp"
+            android:layout_height="@dimen/mini_player_height"
             tools:layout="@layout/fragment_mini_player" />
 
     </FrameLayout>

app/src/main/res/layout/test.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="?attr/colorSurface">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appBarLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:liftOnScroll="true">
+
+        <com.google.android.material.appbar.MaterialToolbar
+            android:id="@+id/toolbar"
+            style="@style/Toolbar"
+            app:layout_collapseMode="pin"
+            app:navigationIcon="@drawable/ic_keyboard_backspace_black_24dp"
+            app:title="@string/equalizer"
+            app:titleTextAppearance="@style/ToolbarTextAppearanceNormal" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <FrameLayout
+        android:id="@+id/contentFrame"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/values/strings.xml

@@ -844,5 +844,7 @@
     <string name="start_payment">Start payment</string>
     <string name="pref_title_expand_now_playing_panel">Show now playing screen</string>
     <string name="pref_summary_expand_now_playing_panel">Clicking on the notification will show now playing screen instead of the home screen</string>
+    <string name="custom">Custom</string>
+    <string name="select_preset">Select preset</string>
 
 </resources>

app/src/main/res/values/styles.xml

@@ -2,15 +2,15 @@
 
     <style name="Theme.RetroMusic" parent="Theme.RetroMusic.Base" />
 
-    <style name="Theme.RetroMusic.Light" parent="Theme.RetroMusic.Base.Light" >
+    <style name="Theme.RetroMusic.Light" parent="Theme.RetroMusic.Base.Light">
         <item name="android:windowBackground">@color/window_color_light</item>
     </style>
 
-    <style name="Theme.RetroMusic.Black" parent="Theme.RetroMusic.Base.Black" >
+    <style name="Theme.RetroMusic.Black" parent="Theme.RetroMusic.Base.Black">
         <item name="android:windowBackground">@color/window_color_dark</item>
     </style>
 
-    <style name="Theme.RetroMusic.FollowSystem" parent="Theme.RetroMusic.Base.Adaptive" >
+    <style name="Theme.RetroMusic.FollowSystem" parent="Theme.RetroMusic.Base.Adaptive">
         <item name="android:windowBackground">@color/window_color</item>
     </style>
 
@@ -211,4 +211,10 @@
         <item name="android:background">@color/md_white_1000</item>
         <item name="android:textColor">@color/md_red_400</item>
     </style>
+
+    <style name="AppRadioButton" parent="Widget.AppCompat.CompoundButton.RadioButton">
+        <item name="android:textSize">16dp</item>
+        <item name="android:textColor">#b4b4ba</item>
+        <item name="android:minHeight">40dp</item>
+    </style>
 </resources>

appthemehelper/src/main/java/code/name/monkey/appthemehelper/common/views/ATESwitch.kt

@@ -10,22 +10,14 @@ import code.name.monkey.appthemehelper.ThemeStore
 /**
  * @author Aidan Follestad (afollestad)
  */
-class ATESwitch : SwitchCompat {
+class ATESwitch @JvmOverloads constructor(
+    context: Context?,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : SwitchCompat(context, attrs, defStyleAttr) {
 
-    constructor(context: Context) : super(context) {
+    init {
-        init(context)
+        ATH.setTint(this, ThemeStore.accentColor(getContext()))
-    }
-
-    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
-        init(context)
-    }
-
-    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
-        init(context)
-    }
-
-    private fun init(context: Context) {
-        ATH.setTint(this, ThemeStore.accentColor(context))
     }
 
     override fun isShown(): Boolean {