Cleanup with Kotlin extension functions

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

@@ -61,6 +61,14 @@
             android:visibility="gone"
             tools:text="100"
             tools:visibility="visible" />
+
+        <code.name.monkey.retromusic.views.PlayingIndicatorView
+            android:id="@+id/playing_indicator"
+            android:layout_width="45dp"
+            android:layout_height="45dp"
+            android:padding="5dp"
+            android:visibility="gone"
+            tools:visibility="visible"/>
     </com.google.android.material.card.MaterialCardView>
 
     <com.google.android.material.textview.MaterialTextView

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

@@ -53,8 +53,8 @@
     </array>
 
     <array name="pref_appbar_mode_titles">
-        <item>@string/collapsing</item>
-        <item>@string/simple</item>
+        <item>@string/expanded</item>
+        <item>@string/compact</item>
     </array>
 
     <string-array name="pref_appbar_mode_values">
@@ -229,5 +229,4 @@
         <item>@string/choose_image</item>
         <item>@string/remove_image</item>
     </string-array>
-    <string name="collapsing">Collapsing</string>
 </resources>

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

@@ -103,6 +103,7 @@
     <string name="bug_report_no_password">Please enter your valid GitHub password</string>
     <string name="bug_report_no_title">Please enter an issue title</string>
     <string name="bug_report_no_username">Please enter your valid GitHub username</string>
+    <string name="bug_report_success">Bug report successful</string>
     <string name="bug_report_summary">An unexpected error occurred. Sorry you found this bug, if it keeps crashing \"Clear app data\" or send an Email </string>
     <string name="bug_report_use_account">Send using GitHub account</string>
     <string name="buy_now">Buy now</string>
@@ -126,6 +127,7 @@
     <string name="clear_playing_queue">Clear queue</string>
     <string name="color">Color</string>
     <string name="colors">Colors</string>
+    <string name="compact">Compact</string>
     <string name="composer">Composer</string>
     <string name="copied_device_info_to_clipboard">Copied device info to clipboard.</string>
     <string name="could_not_create_playlist">Couldn\u2019t create playlist.</string>
@@ -168,6 +170,7 @@
     <string name="edit_synced_lyrics">Edit Synced Lyrics</string>
     <string name="empty">Empty</string>
     <string name="equalizer">Equalizer</string>
+    <string name="expanded">Expanded</string>
     <string name="faq">FAQ</string>
     <string name="favorites">Favorites</string>
     <string name="finish_last_song">Finish last song</string>
@@ -533,5 +536,4 @@
     <string name="you_have_to_select_at_least_one_category">You have to select at least one category.</string>
     <string name="you_will_be_forwarded_to_the_issue_tracker_website">You will be forwarded to the issue tracker website.</string>
     <string name="your_account_data_is_only_used_for_authentication">Your account data is only used for authentication.</string>
-    <string name="bug_report_success">Bug report successful</string>
 </resources>