Source code
package android.support.v4.media.session;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.media.AudioAttributes.Builder;
import android.media.MediaDescription;
import android.media.MediaMetadata;
import android.media.Rating;
import android.media.VolumeProvider;
import android.media.session.MediaSession;
import android.media.session.MediaSession.Token;
import android.media.session.PlaybackState;
import android.os.Bundle;
import android.os.Handler;
import android.os.Parcelable;
import android.os.ResultReceiver;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
class MediaSessionCompatApi21 {
interface Callback {
void onCommand(String str, Bundle bundle, ResultReceiver resultReceiver);
void onCustomAction(String str, Bundle bundle);
void onFastForward();
boolean onMediaButtonEvent(Intent intent);
void onPause();
void onPlay();
void onPlayFromMediaId(String str, Bundle bundle);
void onPlayFromSearch(String str, Bundle bundle);
void onRewind();
void onSeekTo(long j);
void onSetRating(Object obj);
void onSkipToNext();
void onSkipToPrevious();
void onSkipToQueueItem(long j);
void onStop();
}
static class CallbackProxy<T extends Callback> extends android.media.session.MediaSession.Callback {
protected final T mCallback;
public CallbackProxy(T callback) {
this.mCallback = callback;
}
public void onCommand(String command, Bundle args, ResultReceiver cb) {
this.mCallback.onCommand(command, args, cb);
}
public boolean onMediaButtonEvent(Intent mediaButtonIntent) {
return this.mCallback.onMediaButtonEvent(mediaButtonIntent) || super.onMediaButtonEvent(mediaButtonIntent);
}
public void onPlay() {
this.mCallback.onPlay();
}
public void onPlayFromMediaId(String mediaId, Bundle extras) {
this.mCallback.onPlayFromMediaId(mediaId, extras);
}
public void onPlayFromSearch(String search, Bundle extras) {
this.mCallback.onPlayFromSearch(search, extras);
}
public void onSkipToQueueItem(long id) {
this.mCallback.onSkipToQueueItem(id);
}
public void onPause() {
this.mCallback.onPause();
}
public void onSkipToNext() {
this.mCallback.onSkipToNext();
}
public void onSkipToPrevious() {
this.mCallback.onSkipToPrevious();
}
public void onFastForward() {
this.mCallback.onFastForward();
}
public void onRewind() {
this.mCallback.onRewind();
}
public void onStop() {
this.mCallback.onStop();
}
public void onSeekTo(long pos) {
this.mCallback.onSeekTo(pos);
}
public void onSetRating(Rating rating) {
this.mCallback.onSetRating(rating);
}
public void onCustomAction(String action, Bundle extras) {
this.mCallback.onCustomAction(action, extras);
}
}
static class QueueItem {
QueueItem() {
}
public static Object createItem(Object mediaDescription, long id) {
return new android.media.session.MediaSession.QueueItem((MediaDescription) mediaDescription, id);
}
public static Object getDescription(Object queueItem) {
return ((android.media.session.MediaSession.QueueItem) queueItem).getDescription();
}
public static long getQueueId(Object queueItem) {
return ((android.media.session.MediaSession.QueueItem) queueItem).getQueueId();
}
}
MediaSessionCompatApi21() {
}
public static Object createSession(Context context, String tag) {
return new MediaSession(context, tag);
}
public static Object verifySession(Object mediaSession) {
if (mediaSession instanceof MediaSession) {
return mediaSession;
}
throw new IllegalArgumentException("mediaSession is not a valid MediaSession object");
}
public static Object verifyToken(Object token) {
if (token instanceof Token) {
return token;
}
throw new IllegalArgumentException("token is not a valid MediaSession.Token object");
}
public static Object createCallback(Callback callback) {
return new CallbackProxy(callback);
}
public static void setCallback(Object sessionObj, Object callbackObj, Handler handler) {
((MediaSession) sessionObj).setCallback((android.media.session.MediaSession.Callback) callbackObj, handler);
}
public static void setFlags(Object sessionObj, int flags) {
((MediaSession) sessionObj).setFlags(flags);
}
public static void setPlaybackToLocal(Object sessionObj, int stream) {
Builder bob = new Builder();
bob.setLegacyStreamType(stream);
((MediaSession) sessionObj).setPlaybackToLocal(bob.build());
}
public static void setPlaybackToRemote(Object sessionObj, Object volumeProviderObj) {
((MediaSession) sessionObj).setPlaybackToRemote((VolumeProvider) volumeProviderObj);
}
public static void setActive(Object sessionObj, boolean active) {
((MediaSession) sessionObj).setActive(active);
}
public static boolean isActive(Object sessionObj) {
return ((MediaSession) sessionObj).isActive();
}
public static void sendSessionEvent(Object sessionObj, String event, Bundle extras) {
((MediaSession) sessionObj).sendSessionEvent(event, extras);
}
public static void release(Object sessionObj) {
((MediaSession) sessionObj).release();
}
public static Parcelable getSessionToken(Object sessionObj) {
return ((MediaSession) sessionObj).getSessionToken();
}
public static void setPlaybackState(Object sessionObj, Object stateObj) {
((MediaSession) sessionObj).setPlaybackState((PlaybackState) stateObj);
}
public static void setMetadata(Object sessionObj, Object metadataObj) {
((MediaSession) sessionObj).setMetadata((MediaMetadata) metadataObj);
}
public static void setSessionActivity(Object sessionObj, PendingIntent pi) {
((MediaSession) sessionObj).setSessionActivity(pi);
}
public static void setMediaButtonReceiver(Object sessionObj, PendingIntent pi) {
((MediaSession) sessionObj).setMediaButtonReceiver(pi);
}
public static void setQueue(Object sessionObj, List<Object> queueObjs) {
if (queueObjs == null) {
((MediaSession) sessionObj).setQueue(null);
return;
}
ArrayList<android.media.session.MediaSession.QueueItem> queue = new ArrayList();
Iterator i$ = queueObjs.iterator();
while (i$.hasNext()) {
queue.add((android.media.session.MediaSession.QueueItem) i$.next());
}
((MediaSession) sessionObj).setQueue(queue);
}
public static void setQueueTitle(Object sessionObj, CharSequence title) {
((MediaSession) sessionObj).setQueueTitle(title);
}
public static void setExtras(Object sessionObj, Bundle extras) {
((MediaSession) sessionObj).setExtras(extras);
}
}