add more stubs to make exoplayer not crash

src/api-impl/android/media/AudioAttributes.java

@@ -1,4 +1,19 @@
 package android.media;
 
 public class AudioAttributes {
+
+	public int getFlags() {return 0;}
+
+	public int getUsage() {return 0;}
+
+	public class Builder {
+
+		public Builder setUsage(int usage) {
+			return this;
+		}
+
+		public AudioAttributes build() {
+			return new AudioAttributes();
+		}
+	}
 }

src/api-impl/android/media/AudioManager.java

@@ -32,4 +32,12 @@ public class AudioManager {
 	public int getStreamVolume(int streamType) {
 		return 0; // arbitrary, shouldn't matter too much?
 	}
+
+	public int getStreamMaxVolume(int streamType) {
+		return 100;
+	}
+
+	public int requestAudioFocus(OnAudioFocusChangeListener listener, int streamType, int durationHint) {
+		return /*AUDIOFOCUS_REQUEST_GRANTED*/1;
+	}
 }

src/api-impl/android/media/AudioTrack.java

@@ -12,6 +12,7 @@ public class AudioTrack {
 	int audioFormat;
 	int bufferSizeInBytes;
 	int mode;
+	private int sessionId;
 
 	// for native code's use
 	long pcm_handle;
@@ -45,6 +46,11 @@ public class AudioTrack {
 		native_constructor(streamType, sampleRateInHz, num_channels, audioFormat, bufferSizeInBytes, mode);
 	}
 
+	public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, int bufferSizeInBytes, int mode, int sessionId)  {
+		this(streamType, sampleRateInHz, channelConfig, audioFormat, bufferSizeInBytes, mode);
+		this.sessionId = sessionId;
+	}
+
 	public static native int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat);
 
 	public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener) {
@@ -79,4 +85,8 @@ public class AudioTrack {
 	}
 
 	public native int write(byte[] audioData, int offsetInBytes, int sizeInBytes);
+
+	public int getAudioSessionId() {
+		return sessionId;
+	}
 }

src/api-impl/android/media/MediaCodec.java

@@ -0,0 +1,9 @@
+package android.media;
+
+public class MediaCodec {
+
+	public static final class CryptoInfo {}
+
+	public static final class BufferInfo {}
+	
+}

src/api-impl/android/media/MediaCodecList.java

@@ -0,0 +1,9 @@
+package android.media;
+
+public class MediaCodecList {
+
+	public static int getCodecCount() {
+		return 0;
+	}
+
+}

src/api-impl/android/media/MediaDescription.java

@@ -0,0 +1,30 @@
+package android.media;
+
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.os.Bundle;
+
+public class MediaDescription {
+
+	public static class Builder {
+
+		public Builder setMediaId(String mediaId) {return this;}
+
+		public Builder setTitle(CharSequence title) {return this;}
+
+		public Builder setSubtitle(CharSequence subtitle) {return this;}
+
+		public Builder setDescription(CharSequence description) {return this;}
+
+		public Builder setIconBitmap(Bitmap iconBitmap) {return this;}
+
+		public Builder setIconUri(Uri iconUri) {return this;}
+
+		public Builder setExtras(Bundle extras) {return this;}
+
+		public MediaDescription build() {
+			return new MediaDescription();
+		}
+	}
+	
+}

src/api-impl/android/media/MediaMetadata.java

@@ -0,0 +1,16 @@
+package android.media;
+
+import android.os.Parcel;
+import android.os.Parcelable.Creator;
+
+public class MediaMetadata {
+
+	public static final Creator<MediaMetadata> CREATOR = new Creator<MediaMetadata>() {
+		@Override
+		public MediaMetadata createFromParcel(Parcel source) {
+			return new MediaMetadata();
+		}
+	};
+
+	public void writeToParcel(Parcel dest, int flags) {}
+}

src/api-impl/android/media/session/MediaController.java

@@ -0,0 +1,13 @@
+package android.media.session;
+
+import android.content.Context;
+import android.media.MediaMetadata;
+
+public class MediaController {
+
+	public MediaController(Context context, MediaSession.Token token) {}
+
+	public MediaMetadata getMetadata() {
+		return new MediaMetadata();
+	}
+}

src/api-impl/android/media/session/MediaSession.java

@@ -0,0 +1,40 @@
+package android.media.session;
+
+import java.util.List;
+
+import android.app.PendingIntent;
+import android.content.Context;
+import android.media.MediaDescription;
+import android.media.MediaMetadata;
+import android.os.Handler;
+
+public class MediaSession {
+
+	public static final class Token {}
+
+	public static abstract class Callback {}
+
+	public static class QueueItem {
+		public QueueItem(MediaDescription description, long id) {}
+	}
+
+	public MediaSession(Context context, String tag) {}
+
+	public Token getSessionToken() {
+		return new Token();
+	}
+
+	public void setFlags(int flags) {}
+
+	public void setCallback(Callback callback, Handler handler) {}
+
+	public void setMediaButtonReceiver(PendingIntent pendingIntent)	{}
+
+	public void setActive(boolean active) {}
+
+	public void setPlaybackState(PlaybackState state) {}
+
+	public void setMetadata(MediaMetadata metadata) {}
+
+	public void setQueue(List<QueueItem> queue) {}
+}

src/api-impl/android/media/session/PlaybackState.java

@@ -0,0 +1,23 @@
+package android.media.session;
+
+public class PlaybackState {
+
+	public class Builder {
+
+		public Builder setState(int state, long position, float playbackSpeed, long updateTime) {return this;}
+
+		public Builder setBufferedPosition(long bufferedPosition) {return this;}
+
+		public Builder setActions(long actions) {return this;}
+
+		public Builder setErrorMessage(CharSequence errorMessage) {return this;}
+
+		public Builder setActiveQueueItemId(long activeQueueItemId) {return this;}
+
+		public PlaybackState build() {
+			return new PlaybackState();
+		}
+
+	}
+
+}