Added ability to set Playback speed and pitch

app/src/main/java/code/name/monkey/retromusic/dialogs/PlaybackSpeedDialog.kt

@@ -0,0 +1,52 @@
+package code.name.monkey.retromusic.dialogs
+
+import android.app.Dialog
+import android.os.Bundle
+import androidx.fragment.app.DialogFragment
+import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.databinding.DialogPlaybackSpeedBinding
+import code.name.monkey.retromusic.extensions.accent
+import code.name.monkey.retromusic.extensions.colorButtons
+import code.name.monkey.retromusic.extensions.materialDialog
+import code.name.monkey.retromusic.util.PreferenceUtil
+import com.google.android.material.slider.Slider
+
+class PlaybackSpeedDialog : DialogFragment() {
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val binding = DialogPlaybackSpeedBinding.inflate(layoutInflater)
+        binding.playbackSpeedSlider.accent()
+        binding.playbackPitchSlider.accent()
+        binding.playbackSpeedSlider.addOnChangeListener(Slider.OnChangeListener { _, value, _ ->
+            binding.speedValue.text = "$value"
+        })
+        binding.playbackPitchSlider.addOnChangeListener(Slider.OnChangeListener { _, value, _ ->
+            binding.pitchValue.text = "$value"
+        })
+        binding.playbackSpeedSlider.value = PreferenceUtil.playbackSpeed
+        binding.playbackPitchSlider.value = PreferenceUtil.playbackPitch
+
+        return materialDialog(R.string.playback_settings)
+            .setNegativeButton(android.R.string.cancel, null)
+            .setPositiveButton(R.string.save) { _, _ ->
+                updatePlaybackAndPitch(
+                    binding.playbackSpeedSlider.value,
+                    binding.playbackPitchSlider.value
+                )
+            }
+            .setView(binding.root)
+            .create()
+            .colorButtons()
+    }
+
+    private fun updatePlaybackAndPitch(speed: Float, pitch: Float) {
+        PreferenceUtil.playbackSpeed = speed
+        PreferenceUtil.playbackPitch = pitch
+    }
+
+    companion object {
+        fun newInstance(): PlaybackSpeedDialog {
+            return PlaybackSpeedDialog()
+        }
+    }
+}