Add Context to SimpleExoPlayer factory methods

This is needed for implementing (optional) support for audio focus handling in a
later change.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=206899837

demos/cast/src/main/java/com/google/android/exoplayer2/castdemo/PlayerManager.java

@@ -115,7 +115,7 @@ import java.util.ArrayList;
 
     DefaultTrackSelector trackSelector = new DefaultTrackSelector();
     RenderersFactory renderersFactory = new DefaultRenderersFactory(context);
-    exoPlayer = ExoPlayerFactory.newSimpleInstance(renderersFactory, trackSelector);
+    exoPlayer = ExoPlayerFactory.newSimpleInstance(context, renderersFactory, trackSelector);
     exoPlayer.addListener(this);
     localPlayerView.setPlayer(exoPlayer);
 

demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java

@@ -424,7 +424,8 @@ public class PlayerActivity extends Activity
       lastSeenTrackGroupArray = null;
 
       player =
-          ExoPlayerFactory.newSimpleInstance(renderersFactory, trackSelector, drmSessionManager);
+          ExoPlayerFactory.newSimpleInstance(
+              /* context= */ this, renderersFactory, trackSelector, drmSessionManager);
       player.addListener(new PlayerEventListener());
       player.setPlayWhenReady(startAutoPlay);
       player.addAnalyticsListener(new EventLogger(trackSelector));

library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java

@@ -16,8 +16,10 @@
 package com.google.android.exoplayer2;
 
 import android.annotation.TargetApi;
+import android.content.Context;
 import android.graphics.Rect;
 import android.graphics.SurfaceTexture;
+import android.media.AudioManager;
 import android.media.MediaCodec;
 import android.media.PlaybackParams;
 import android.os.Handler;
@@ -83,6 +85,9 @@ public class SimpleExoPlayer
   private final BandwidthMeter bandwidthMeter;
   private final AnalyticsCollector analyticsCollector;
 
+  @SuppressWarnings({"unused", "FieldCanBeLocal"})
+  private final @Nullable AudioManager audioManager;
+
   private Format videoFormat;
   private Format audioFormat;
 
@@ -110,8 +115,41 @@ public class SimpleExoPlayer
    *     will not be used for DRM protected playbacks.
    * @param looper The {@link Looper} which must be used for all calls to the player and which is
    *     used to call listeners on.
+   * @deprecated Use {@link #SimpleExoPlayer(Context, RenderersFactory, TrackSelector, LoadControl,
+   *     BandwidthMeter, DrmSessionManager, Looper)}.
+   */
+  @Deprecated
+  protected SimpleExoPlayer(
+      RenderersFactory renderersFactory,
+      TrackSelector trackSelector,
+      LoadControl loadControl,
+      BandwidthMeter bandwidthMeter,
+      @Nullable DrmSessionManager<FrameworkMediaCrypto> drmSessionManager,
+      Looper looper) {
+    this(
+        /* context= */ null,
+        renderersFactory,
+        trackSelector,
+        loadControl,
+        drmSessionManager,
+        bandwidthMeter,
+        new AnalyticsCollector.Factory(),
+        looper);
+  }
+
+  /**
+   * @param context A {@link Context}.
+   * @param renderersFactory A factory for creating {@link Renderer}s to be used by the instance.
+   * @param trackSelector The {@link TrackSelector} that will be used by the instance.
+   * @param loadControl The {@link LoadControl} that will be used by the instance.
+   * @param bandwidthMeter The {@link BandwidthMeter} that will be used by the instance.
+   * @param drmSessionManager An optional {@link DrmSessionManager}. May be null if the instance
+   *     will not be used for DRM protected playbacks.
+   * @param looper The {@link Looper} which must be used for all calls to the player and which is
+   *     used to call listeners on.
    */
   protected SimpleExoPlayer(
+      Context context,
       RenderersFactory renderersFactory,
       TrackSelector trackSelector,
       LoadControl loadControl,
@@ -119,6 +157,7 @@ public class SimpleExoPlayer
       @Nullable DrmSessionManager<FrameworkMediaCrypto> drmSessionManager,
       Looper looper) {
     this(
+        context,
         renderersFactory,
         trackSelector,
         loadControl,
@@ -129,6 +168,7 @@ public class SimpleExoPlayer
   }
 
   /**
+   * @param context A {@link Context}.
    * @param renderersFactory A factory for creating {@link Renderer}s to be used by the instance.
    * @param trackSelector The {@link TrackSelector} that will be used by the instance.
    * @param loadControl The {@link LoadControl} that will be used by the instance.
@@ -141,6 +181,7 @@ public class SimpleExoPlayer
    *     used to call listeners on.
    */
   protected SimpleExoPlayer(
+      Context context,
       RenderersFactory renderersFactory,
       TrackSelector trackSelector,
       LoadControl loadControl,
@@ -149,6 +190,7 @@ public class SimpleExoPlayer
       AnalyticsCollector.Factory analyticsCollectorFactory,
       Looper looper) {
     this(
+        context,
         renderersFactory,
         trackSelector,
         loadControl,
@@ -160,6 +202,7 @@ public class SimpleExoPlayer
   }
 
   /**
+   * @param context A {@link Context}.
    * @param renderersFactory A factory for creating {@link Renderer}s to be used by the instance.
    * @param trackSelector The {@link TrackSelector} that will be used by the instance.
    * @param loadControl The {@link LoadControl} that will be used by the instance.
@@ -174,6 +217,7 @@ public class SimpleExoPlayer
    *     used to call listeners on.
    */
   protected SimpleExoPlayer(
+      Context context,
       RenderersFactory renderersFactory,
       TrackSelector trackSelector,
       LoadControl loadControl,
@@ -221,6 +265,13 @@ public class SimpleExoPlayer
     if (drmSessionManager instanceof DefaultDrmSessionManager) {
       ((DefaultDrmSessionManager) drmSessionManager).addListener(eventHandler, analyticsCollector);
     }
+    // TODO: Remove null check once the deprecated factory method and constructor that don't take
+    // Contexts have been removed.
+    audioManager =
+        context == null
+            ? null
+            : (AudioManager)
+                context.getApplicationContext().getSystemService(Context.AUDIO_SERVICE);
   }
 
   @Override

library/core/src/test/java/com/google/android/exoplayer2/analytics/AnalyticsCollectorTest.java

@@ -711,7 +711,7 @@ public final class AnalyticsCollectorTest {
           .setRenderersFactory(renderersFactory)
           .setAnalyticsListener(listener)
           .setActionSchedule(actionSchedule)
-          .build()
+          .build(RuntimeEnvironment.application)
           .start()
           .blockUntilActionScheduleFinished(TIMEOUT_MS)
           .blockUntilEnded(TIMEOUT_MS);

playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/DashTestRunner.java

@@ -301,7 +301,7 @@ public final class DashTestRunner {
         DrmSessionManager<FrameworkMediaCrypto> drmSessionManager) {
       SimpleExoPlayer player =
           ExoPlayerFactory.newSimpleInstance(
-              new DebugRenderersFactory(host), trackSelector, drmSessionManager);
+              host, new DebugRenderersFactory(host), trackSelector, drmSessionManager);
       player.setVideoSurface(surface);
       return player;
     }

testutils/src/main/java/com/google/android/exoplayer2/testutil/ExoHostedTest.java

@@ -370,7 +370,8 @@ public abstract class ExoHostedTest
       DrmSessionManager<FrameworkMediaCrypto> drmSessionManager) {
     RenderersFactory renderersFactory = new DefaultRenderersFactory(host, drmSessionManager,
         DefaultRenderersFactory.EXTENSION_RENDERER_MODE_OFF, 0);
-    SimpleExoPlayer player = ExoPlayerFactory.newSimpleInstance(renderersFactory, trackSelector);
+    SimpleExoPlayer player =
+        ExoPlayerFactory.newSimpleInstance(host, renderersFactory, trackSelector);
     player.setVideoSurface(surface);
     return player;
   }

testutils/src/main/java/com/google/android/exoplayer2/testutil/ExoPlayerTestRunner.java

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2.testutil;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import android.content.Context;
 import android.os.HandlerThread;
 import android.os.Looper;
 import android.support.annotation.Nullable;
@@ -291,9 +292,10 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
     /**
      * Builds an {@link ExoPlayerTestRunner} using the provided values or their defaults.
      *
+     * @param context The context.
      * @return The built {@link ExoPlayerTestRunner}.
      */
-    public ExoPlayerTestRunner build() {
+    public ExoPlayerTestRunner build(Context context) {
       if (supportedFormats == null) {
         supportedFormats = new Format[] {VIDEO_FORMAT};
       }
@@ -334,6 +336,7 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
         expectedPlayerEndedCount = 1;
       }
       return new ExoPlayerTestRunner(
+          context,
           clock,
           mediaSource,
           renderersFactory,
@@ -348,6 +351,7 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
     }
   }
 
+  private final Context context;
   private final Clock clock;
   private final MediaSource mediaSource;
   private final RenderersFactory renderersFactory;
@@ -375,6 +379,7 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
   private boolean playerWasPrepared;
 
   private ExoPlayerTestRunner(
+      Context context,
       Clock clock,
       MediaSource mediaSource,
       RenderersFactory renderersFactory,
@@ -386,6 +391,7 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
       @Nullable AudioRendererEventListener audioRendererEventListener,
       @Nullable AnalyticsListener analyticsListener,
       int expectedPlayerEndedCount) {
+    this.context = context;
     this.clock = clock;
     this.mediaSource = mediaSource;
     this.renderersFactory = renderersFactory;
@@ -423,7 +429,9 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
           @Override
           public void run() {
             try {
-              player = new TestSimpleExoPlayer(renderersFactory, trackSelector, loadControl, clock);
+              player =
+                  new TestSimpleExoPlayer(
+                      context, renderersFactory, trackSelector, loadControl, clock);
               player.addListener(ExoPlayerTestRunner.this);
               if (eventListener != null) {
                 player.addListener(eventListener);
@@ -652,11 +660,13 @@ public final class ExoPlayerTestRunner implements Player.EventListener, ActionSc
   private static final class TestSimpleExoPlayer extends SimpleExoPlayer {
 
     public TestSimpleExoPlayer(
+        Context context,
         RenderersFactory renderersFactory,
         TrackSelector trackSelector,
         LoadControl loadControl,
         Clock clock) {
       super(
+          context,
           renderersFactory,
           trackSelector,
           loadControl,