我可以在使用 Exoplayer 开发的播客应用程序中使用媒体样式通知吗
Can I use Media Style notification with a podcast app I am developing using Exoplayer
所以我正在浏览媒体样式通知示例https://www.binpress.com/tutorial/using-android-media-style-notifications-with-media-session-controls/165，所有这些都涉及到使用 Media Player，我的问题是我可以将它与 Exoplayer 一起使用吗？
我想对我的 Exoplayer 应用程序做同样的事情。有什么想法吗？
这是我现在正在做的事情
public class ExoPlayerService extends Service {
private static final String TAG = ExoPlayerService.class.getSimpleName();
private final IBinder mIBinder = new LocalBinder();
private Handler mHandler = new Handler();
private SimpleExoPlayer exoPlayer = null;
//MyPlayerListener playerListener;
PlayerListener playerListener;
private boolean isPlayerInstantiated = false;
public ExoPlayerService() {
super();
}
public void setListener(PlayerListener listener) {
this.playerListener = listener;
if(!isPlayerInstantiated){
isPlayerInstantiated = true;
listener.onPlayerInstatiated(exoPlayer);
}
}
public interface PlayerListener{
void releasePlayer(SimpleExoPlayer exoPlayer);
void onPlayerInstatiated(SimpleExoPlayer exoPlayer);
}
public class LocalBinder extends Binder {
public ExoPlayerService getInstance() {
// Return this instance of LocalService so clients can call public methods
return ExoPlayerService.this;
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent.getAction().equals(Constants.ACTION.STARTFOREGROUND_ACTION)) {
createNotification();
Toast.makeText(this, "Service Started", Toast.LENGTH_SHORT).show();
} else if (intent.getAction().equals(Constants.ACTION.PREV_ACTION)) {
Toast.makeText(this, "Clicked Previous", Toast.LENGTH_SHORT).show();
Log.i(TAG, "Clicked Previous");
} else if (intent.getAction().equals(Constants.ACTION.PLAY_ACTION)) {
Toast.makeText(this, "Clicked Play", Toast.LENGTH_SHORT).show();
Log.i(TAG, "Clicked Play");
} else if (intent.getAction().equals(Constants.ACTION.NEXT_ACTION)) {
Toast.makeText(this, "Clicked Next", Toast.LENGTH_SHORT).show();
Log.i(TAG, "Clicked Next");
} else if (intent.getAction().equals(
Constants.ACTION.STOPFOREGROUND_ACTION)) {
Log.i(TAG, "Received Stop Foreground Intent");
Toast.makeText(this, "Service Stoped", Toast.LENGTH_SHORT).show();
stopForeground(true);
stopSelf();
}
return START_STICKY;
}
@Override
public void onCreate() {
Log.d(TAG, "Service on create calledddd");
super.onCreate();
BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
TrackSelection.Factory videoTrackSelectionFactory =
new AdaptiveVideoTrackSelection.Factory(bandwidthMeter);
TrackSelector trackSelector =
new DefaultTrackSelector(mHandler, videoTrackSelectionFactory);
// 2. Create a default LoadControl
LoadControl loadControl = new DefaultLoadControl();
// 3. Create the exoPlayer
exoPlayer = ExoPlayerFactory.newSimpleInstance(getApplicationContext(), trackSelector, loadControl);
Log.d(TAG, "EXO PLAYER CREATED IN SERVICE ");
if(playerListener != null){
isPlayerInstantiated = true;
playerListener.onPlayerInstatiated(exoPlayer);
}else{
isPlayerInstantiated = false;
}
}
public void setHandler(Handler handler)
{
mHandler = handler;
}
private NotificationCompat.Builder createNotification() {
// Using RemoteViews to bind custom layouts into Notification
RemoteViews views = new RemoteViews(getPackageName(), R.layout.status_bar);
RemoteViews bigViews = new RemoteViews(getPackageName(), R.layout.status_bar_expanded);
// showing default album image
views.setViewVisibility(R.id.status_bar_icon, View.VISIBLE);
views.setViewVisibility(R.id.status_bar_album_art, View.GONE);
bigViews.setImageViewBitmap(R.id.status_bar_album_art, Constants.getDefaultAlbumArt(this));
views.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
bigViews.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
Intent previousIntent = new Intent(this, ExoPlayerService.class);
previousIntent.setAction(Constants.ACTION.PREV_ACTION);
PendingIntent ppreviousIntent = PendingIntent.getService(this, 0,
previousIntent, 0);
Intent playIntent = new Intent(this, ExoPlayerService.class);
playIntent.setAction(Constants.ACTION.PLAY_ACTION);
PendingIntent pplayIntent = PendingIntent.getService(this, 0,
playIntent, 0);
Intent nextIntent = new Intent(this, ExoPlayerService.class);
nextIntent.setAction(Constants.ACTION.NEXT_ACTION);
PendingIntent pnextIntent = PendingIntent.getService(this, 0,
nextIntent, 0);
Intent closeIntent = new Intent(this, ExoPlayerService.class);
closeIntent.setAction(Constants.ACTION.STOPFOREGROUND_ACTION);
PendingIntent pcloseIntent = PendingIntent.getService(this, 0,
closeIntent, 0);
views.setOnClickPendingIntent(R.id.status_bar_play, pplayIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_play, pplayIntent);
views.setOnClickPendingIntent(R.id.status_bar_next, pnextIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_next, pnextIntent);
views.setOnClickPendingIntent(R.id.status_bar_prev, ppreviousIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_prev, ppreviousIntent);
views.setOnClickPendingIntent(R.id.status_bar_collapse, pcloseIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_collapse, pcloseIntent);
views.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
bigViews.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
views.setTextViewText(R.id.status_bar_track_name, "Song Title");
bigViews.setTextViewText(R.id.status_bar_track_name, "Song Title");
views.setTextColor(R.id.status_bar_track_name, getResources().getColor(R.color.black));
bigViews.setTextColor(R.id.status_bar_track_name, getResources().getColor(R.color.black));
views.setTextViewText(R.id.status_bar_artist_name, "Artist Name");
bigViews.setTextViewText(R.id.status_bar_artist_name, "Artist Name");
views.setTextColor(R.id.status_bar_artist_name, getResources().getColor(R.color.black));
bigViews.setTextColor(R.id.status_bar_artist_name, getResources().getColor(R.color.black));
bigViews.setTextViewText(R.id.status_bar_album_name, "Album Name");
bigViews.setTextColor(R.id.status_bar_album_name, getResources().getColor(R.color.black));
Intent intent = new Intent(this, AudioActivity.class);
// intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
// The stack builder object will contain an artificial back stack for the
// started Activity.
// This ensures that navigating backward from the Activity leads out of
// your application to the Home screen.
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
// Adds the back stack for the Intent (but not the Intent itself)
stackBuilder.addParentStack(AudioActivity.class);
// Adds the Intent that starts the Activity to the top of the stack
stackBuilder.addNextIntent(intent);
PendingIntent resultPendingIntent =
stackBuilder.getPendingIntent(
0,
PendingIntent.FLAG_UPDATE_CURRENT
);
NotificationCompat.Builder status =
new NotificationCompat.Builder(getApplicationContext());
status.setContent(views);
status.setContentIntent(resultPendingIntent);
status.setCustomBigContentView(bigViews);
status.setSmallIcon(R.drawable.ic_launcher);
// status.flags |= Notification.FLAG_NO_CLEAR;
/*status.contentView = views;
status.bigContentView = bigViews;
status.flags = Notification.FLAG_ONGOING_EVENT;
status.icon = R.drawable.ic_launcher;
status.contentIntent = pendIntent;
status.flags |= Notification.FLAG_NO_CLEAR;*/
startForeground(Constants.NOTIFICATION_ID.FOREGROUND_SERVICE, status.build());
return status;
}
@Override
public void onDestroy()
{
Log.d(TAG, "Service on destroy called !!!!!!!!!!!!");
/*Set this to false as the player unbinds from the service on being destroyed
this allows for a new instance of the player to be instantiated again */
isPlayerInstantiated = false;
if(mHandler != null)
{
mHandler = null;
}
if(playerListener != null)
playerListener.releasePlayer(exoPlayer);
exoPlayer = null;
}
@Override
public IBinder onBind(Intent intent)
{
return mIBinder;
}
@Override
public boolean onUnbind(Intent intent) {
/* Set isPlayerInstantiated = false, as this service does not get destroyed on unbinding, we want all the clients
* binding to it to go ahead and use already create exoplayer instance */
isPlayerInstantiated = false;
return super.onUnbind(intent);
}
}
之所以要用MediaStyle的方式，是因为我想自定义背景颜色，感觉它的实现风格也简单多了。
是的，您可以在 ExoPlayer 中使用 MediaStyle 通知。事实上，您需要实施一些 Best practices in media playback 包括：
- 音频焦点
- BECOMING_NOISY广播
- 媒体会议
- 一个 MediaStyle 通知
- 服务生命周期，包括作为前台服务
- 让您的 UI 保持同步
ExoPlayer 不会为您处理任何这些事情。
您可以将 PlayerNotificationManager 与 Exoplayer 一起使用。事实上，您可以 build feature-rich media apps with ExoPlayer 包括：
- 通知中的播放控件和信息
- 让你的服务前台
- 连接媒体会话
- 投射到其他设备
- 缓存在线媒体以供离线播放
ExoPlayer 会为您处理所有这些事情。
所以我正在浏览媒体样式通知示例https://www.binpress.com/tutorial/using-android-media-style-notifications-with-media-session-controls/165，所有这些都涉及到使用 Media Player，我的问题是我可以将它与 Exoplayer 一起使用吗？
我想对我的 Exoplayer 应用程序做同样的事情。有什么想法吗？
这是我现在正在做的事情
public class ExoPlayerService extends Service {
private static final String TAG = ExoPlayerService.class.getSimpleName();
private final IBinder mIBinder = new LocalBinder();
private Handler mHandler = new Handler();
private SimpleExoPlayer exoPlayer = null;
//MyPlayerListener playerListener;
PlayerListener playerListener;
private boolean isPlayerInstantiated = false;
public ExoPlayerService() {
super();
}
public void setListener(PlayerListener listener) {
this.playerListener = listener;
if(!isPlayerInstantiated){
isPlayerInstantiated = true;
listener.onPlayerInstatiated(exoPlayer);
}
}
public interface PlayerListener{
void releasePlayer(SimpleExoPlayer exoPlayer);
void onPlayerInstatiated(SimpleExoPlayer exoPlayer);
}
public class LocalBinder extends Binder {
public ExoPlayerService getInstance() {
// Return this instance of LocalService so clients can call public methods
return ExoPlayerService.this;
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent.getAction().equals(Constants.ACTION.STARTFOREGROUND_ACTION)) {
createNotification();
Toast.makeText(this, "Service Started", Toast.LENGTH_SHORT).show();
} else if (intent.getAction().equals(Constants.ACTION.PREV_ACTION)) {
Toast.makeText(this, "Clicked Previous", Toast.LENGTH_SHORT).show();
Log.i(TAG, "Clicked Previous");
} else if (intent.getAction().equals(Constants.ACTION.PLAY_ACTION)) {
Toast.makeText(this, "Clicked Play", Toast.LENGTH_SHORT).show();
Log.i(TAG, "Clicked Play");
} else if (intent.getAction().equals(Constants.ACTION.NEXT_ACTION)) {
Toast.makeText(this, "Clicked Next", Toast.LENGTH_SHORT).show();
Log.i(TAG, "Clicked Next");
} else if (intent.getAction().equals(
Constants.ACTION.STOPFOREGROUND_ACTION)) {
Log.i(TAG, "Received Stop Foreground Intent");
Toast.makeText(this, "Service Stoped", Toast.LENGTH_SHORT).show();
stopForeground(true);
stopSelf();
}
return START_STICKY;
}
@Override
public void onCreate() {
Log.d(TAG, "Service on create calledddd");
super.onCreate();
BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
TrackSelection.Factory videoTrackSelectionFactory =
new AdaptiveVideoTrackSelection.Factory(bandwidthMeter);
TrackSelector trackSelector =
new DefaultTrackSelector(mHandler, videoTrackSelectionFactory);
// 2. Create a default LoadControl
LoadControl loadControl = new DefaultLoadControl();
// 3. Create the exoPlayer
exoPlayer = ExoPlayerFactory.newSimpleInstance(getApplicationContext(), trackSelector, loadControl);
Log.d(TAG, "EXO PLAYER CREATED IN SERVICE ");
if(playerListener != null){
isPlayerInstantiated = true;
playerListener.onPlayerInstatiated(exoPlayer);
}else{
isPlayerInstantiated = false;
}
}
public void setHandler(Handler handler)
{
mHandler = handler;
}
private NotificationCompat.Builder createNotification() {
// Using RemoteViews to bind custom layouts into Notification
RemoteViews views = new RemoteViews(getPackageName(), R.layout.status_bar);
RemoteViews bigViews = new RemoteViews(getPackageName(), R.layout.status_bar_expanded);
// showing default album image
views.setViewVisibility(R.id.status_bar_icon, View.VISIBLE);
views.setViewVisibility(R.id.status_bar_album_art, View.GONE);
bigViews.setImageViewBitmap(R.id.status_bar_album_art, Constants.getDefaultAlbumArt(this));
views.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
bigViews.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
Intent previousIntent = new Intent(this, ExoPlayerService.class);
previousIntent.setAction(Constants.ACTION.PREV_ACTION);
PendingIntent ppreviousIntent = PendingIntent.getService(this, 0,
previousIntent, 0);
Intent playIntent = new Intent(this, ExoPlayerService.class);
playIntent.setAction(Constants.ACTION.PLAY_ACTION);
PendingIntent pplayIntent = PendingIntent.getService(this, 0,
playIntent, 0);
Intent nextIntent = new Intent(this, ExoPlayerService.class);
nextIntent.setAction(Constants.ACTION.NEXT_ACTION);
PendingIntent pnextIntent = PendingIntent.getService(this, 0,
nextIntent, 0);
Intent closeIntent = new Intent(this, ExoPlayerService.class);
closeIntent.setAction(Constants.ACTION.STOPFOREGROUND_ACTION);
PendingIntent pcloseIntent = PendingIntent.getService(this, 0,
closeIntent, 0);
views.setOnClickPendingIntent(R.id.status_bar_play, pplayIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_play, pplayIntent);
views.setOnClickPendingIntent(R.id.status_bar_next, pnextIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_next, pnextIntent);
views.setOnClickPendingIntent(R.id.status_bar_prev, ppreviousIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_prev, ppreviousIntent);
views.setOnClickPendingIntent(R.id.status_bar_collapse, pcloseIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_collapse, pcloseIntent);
views.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
bigViews.setImageViewResource(R.id.status_bar_play, R.drawable.apollo_holo_dark_pause);
views.setTextViewText(R.id.status_bar_track_name, "Song Title");
bigViews.setTextViewText(R.id.status_bar_track_name, "Song Title");
views.setTextColor(R.id.status_bar_track_name, getResources().getColor(R.color.black));
bigViews.setTextColor(R.id.status_bar_track_name, getResources().getColor(R.color.black));
views.setTextViewText(R.id.status_bar_artist_name, "Artist Name");
bigViews.setTextViewText(R.id.status_bar_artist_name, "Artist Name");
views.setTextColor(R.id.status_bar_artist_name, getResources().getColor(R.color.black));
bigViews.setTextColor(R.id.status_bar_artist_name, getResources().getColor(R.color.black));
bigViews.setTextViewText(R.id.status_bar_album_name, "Album Name");
bigViews.setTextColor(R.id.status_bar_album_name, getResources().getColor(R.color.black));
Intent intent = new Intent(this, AudioActivity.class);
// intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
// The stack builder object will contain an artificial back stack for the
// started Activity.
// This ensures that navigating backward from the Activity leads out of
// your application to the Home screen.
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
// Adds the back stack for the Intent (but not the Intent itself)
stackBuilder.addParentStack(AudioActivity.class);
// Adds the Intent that starts the Activity to the top of the stack
stackBuilder.addNextIntent(intent);
PendingIntent resultPendingIntent =
stackBuilder.getPendingIntent(
0,
PendingIntent.FLAG_UPDATE_CURRENT
);
NotificationCompat.Builder status =
new NotificationCompat.Builder(getApplicationContext());
status.setContent(views);
status.setContentIntent(resultPendingIntent);
status.setCustomBigContentView(bigViews);
status.setSmallIcon(R.drawable.ic_launcher);
// status.flags |= Notification.FLAG_NO_CLEAR;
/*status.contentView = views;
status.bigContentView = bigViews;
status.flags = Notification.FLAG_ONGOING_EVENT;
status.icon = R.drawable.ic_launcher;
status.contentIntent = pendIntent;
status.flags |= Notification.FLAG_NO_CLEAR;*/
startForeground(Constants.NOTIFICATION_ID.FOREGROUND_SERVICE, status.build());
return status;
}
@Override
public void onDestroy()
{
Log.d(TAG, "Service on destroy called !!!!!!!!!!!!");
/*Set this to false as the player unbinds from the service on being destroyed
this allows for a new instance of the player to be instantiated again */
isPlayerInstantiated = false;
if(mHandler != null)
{
mHandler = null;
}
if(playerListener != null)
playerListener.releasePlayer(exoPlayer);
exoPlayer = null;
}
@Override
public IBinder onBind(Intent intent)
{
return mIBinder;
}
@Override
public boolean onUnbind(Intent intent) {
/* Set isPlayerInstantiated = false, as this service does not get destroyed on unbinding, we want all the clients
* binding to it to go ahead and use already create exoplayer instance */
isPlayerInstantiated = false;
return super.onUnbind(intent);
}
}
之所以要用MediaStyle的方式，是因为我想自定义背景颜色，感觉它的实现风格也简单多了。
是的，您可以在 ExoPlayer 中使用 MediaStyle 通知。事实上，您需要实施一些 Best practices in media playback 包括：
- 音频焦点
- BECOMING_NOISY广播
- 媒体会议
- 一个 MediaStyle 通知
- 服务生命周期，包括作为前台服务
- 让您的 UI 保持同步
ExoPlayer 不会为您处理任何这些事情。
您可以将 PlayerNotificationManager 与 Exoplayer 一起使用。事实上，您可以 build feature-rich media apps with ExoPlayer 包括：
- 通知中的播放控件和信息
- 让你的服务前台
- 连接媒体会话
- 投射到其他设备
- 缓存在线媒体以供离线播放
ExoPlayer 会为您处理所有这些事情。