move transparency of shuffle mode off button to bitmap

PiperOrigin-RevId: 266795413

library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerControlView.java

@@ -238,7 +238,7 @@ public class PlayerControlView extends FrameLayout {
   private final View fastForwardButton;
   private final View rewindButton;
   private final ImageView repeatToggleButton;
-  private final View shuffleButton;
+  private final ImageView shuffleButton;
   private final View vrButton;
   private final TextView durationView;
   private final TextView positionView;
@@ -256,6 +256,8 @@ public class PlayerControlView extends FrameLayout {
   private final String repeatOffButtonContentDescription;
   private final String repeatOneButtonContentDescription;
   private final String repeatAllButtonContentDescription;
+  private final Drawable shuffleOnButtonDrawable;
+  private final Drawable shuffleOffButtonDrawable;
 
   @Nullable private Player player;
   private com.google.android.exoplayer2.ControlDispatcher controlDispatcher;
@@ -407,6 +409,8 @@ public class PlayerControlView extends FrameLayout {
     repeatOffButtonDrawable = resources.getDrawable(R.drawable.exo_controls_repeat_off);
     repeatOneButtonDrawable = resources.getDrawable(R.drawable.exo_controls_repeat_one);
     repeatAllButtonDrawable = resources.getDrawable(R.drawable.exo_controls_repeat_all);
+    shuffleOnButtonDrawable = resources.getDrawable(R.drawable.exo_controls_shuffle_on);
+    shuffleOffButtonDrawable = resources.getDrawable(R.drawable.exo_controls_shuffle_off);
     repeatOffButtonContentDescription =
         resources.getString(R.string.exo_controls_repeat_off_description);
     repeatOneButtonContentDescription =
@@ -815,10 +819,11 @@ public class PlayerControlView extends FrameLayout {
       shuffleButton.setVisibility(GONE);
     } else if (player == null) {
       setButtonEnabled(false, shuffleButton);
+      shuffleButton.setImageDrawable(shuffleOffButtonDrawable);
     } else {
-      shuffleButton.setAlpha(player.getShuffleModeEnabled() ? 1f : 0.3f);
-      shuffleButton.setEnabled(true);
-      shuffleButton.setVisibility(VISIBLE);
+      setButtonEnabled(true, shuffleButton);
+      shuffleButton.setImageDrawable(
+          player.getShuffleModeEnabled() ? shuffleOnButtonDrawable : shuffleOffButtonDrawable);
     }
   }
 

library/ui/src/main/res/drawable-anydpi-v21/exo_controls_shuffle_off.xml

@@ -0,0 +1,26 @@
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+
+    <path
+        android:fillColor="#4EFFFFFF"
+        android:pathData="M10.59 9.17L5.41 4 4 5.41l5.17 5.17 1.42-1.41zM14.5 4l2.04 2.04L4 18.59 5.41 20
+17.96 7.46 20 9.5V4h-5.5zm0.33 9.41l-1.41 1.41 3.13 3.13L14.5 20H20v-5.5l-2.04
+2.04-3.13-3.13z" />
+</vector>

library/ui/src/main/res/values/styles.xml

@@ -52,7 +52,7 @@
   </style>
 
   <style name="ExoMediaButton.Shuffle">
-    <item name="android:src">@drawable/exo_controls_shuffle</item>
+    <item name="android:src">@drawable/exo_controls_shuffle_off</item>
     <item name="android:contentDescription">@string/exo_controls_shuffle_description</item>
   </style>