本文整理汇总了Java中android.media.AudioFocusRequest类的典型用法代码示例。如果您正苦于以下问题：Java AudioFocusRequest类的具体用法？Java AudioFocusRequest怎么用？Java AudioFocusRequest使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
AudioFocusRequest类属于android.media包，在下文中一共展示了AudioFocusRequest类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: requestAudioFocus
import android.media.AudioFocusRequest; //导入依赖的package包/类
public boolean requestAudioFocus(OnAudioFocusChangeListener focusChangeListener,
int streamType, int audioFocusGain) {
int r;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
r = mAudioManager.requestAudioFocus(
new AudioFocusRequest.Builder(audioFocusGain)
.setAudioAttributes(
new AudioAttributes.Builder()
.setLegacyStreamType(streamType)
.build())
.setOnAudioFocusChangeListener(focusChangeListener)
.build());
} else {
//noinspection deprecation
r = mAudioManager.requestAudioFocus(focusChangeListener, streamType, audioFocusGain);
}
return r == AudioManager.AUDIOFOCUS_REQUEST_GRANTED;
}
示例2: onCreate
import android.media.AudioFocusRequest; //导入依赖的package包/类
@Override
public void onCreate() {
super.onCreate();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_DEFAULT_CHANNEL_ID, getString(R.string.notification_channel_name), NotificationManagerCompat.IMPORTANCE_DEFAULT);
NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.createNotificationChannel(notificationChannel);
AudioAttributes audioAttributes = new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_MEDIA)
.setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
.build();
audioFocusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
.setOnAudioFocusChangeListener(audioFocusChangeListener)
.setAcceptsDelayedFocusGain(false)
.setWillPauseWhenDucked(true)
.setAudioAttributes(audioAttributes)
.build();
}
audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
mediaSession = new MediaSessionCompat(this, "PlayerService");
mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
mediaSession.setCallback(mediaSessionCallback);
Context appContext = getApplicationContext();
Intent activityIntent = new Intent(appContext, MainActivity.class);
mediaSession.setSessionActivity(PendingIntent.getActivity(appContext, 0, activityIntent, 0));
Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null, appContext, MediaButtonReceiver.class);
mediaSession.setMediaButtonReceiver(PendingIntent.getBroadcast(appContext, 0, mediaButtonIntent, 0));
exoPlayer = ExoPlayerFactory.newSimpleInstance(new DefaultRenderersFactory(this), new DefaultTrackSelector(), new DefaultLoadControl());
exoPlayer.addListener(exoPlayerListener);
DataSource.Factory httpDataSourceFactory = new OkHttpDataSourceFactory(new OkHttpClient(), Util.getUserAgent(this, getString(R.string.app_name)), null);
Cache cache = new SimpleCache(new File(this.getCacheDir().getAbsolutePath() + "/exoplayer"), new LeastRecentlyUsedCacheEvictor(1024 * 1024 * 100)); // 100 Mb max
this.dataSourceFactory = new CacheDataSourceFactory(cache, httpDataSourceFactory, CacheDataSource.FLAG_BLOCK_ON_CACHE | CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR);
this.extractorsFactory = new DefaultExtractorsFactory();
}
示例3: requestAudioFocus
import android.media.AudioFocusRequest; //导入依赖的package包/类
private void requestAudioFocus() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
AudioAttributes playbackAttributes = new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION)
.setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
.build();
AudioFocusRequest focusRequest =
new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT)
.setAudioAttributes(playbackAttributes)
.setAcceptsDelayedFocusGain(true)
.setOnAudioFocusChangeListener(
new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(int i) { }
})
.build();
audioManager.requestAudioFocus(focusRequest);
} else {
audioManager.requestAudioFocus(null, AudioManager.STREAM_VOICE_CALL,
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
}
}
示例4: setAudioFocus
import android.media.AudioFocusRequest; //导入依赖的package包/类
private void setAudioFocus(boolean setFocus) {
if (audioManager != null) {
if (setFocus) {
savedAudioMode = audioManager.getMode();
// Request audio focus before making any device switch.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
AudioAttributes playbackAttributes = new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION)
.setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
.build();
AudioFocusRequest focusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT)
.setAudioAttributes(playbackAttributes)
.setAcceptsDelayedFocusGain(true)
.setOnAudioFocusChangeListener(new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(int i) {
}
})
.build();
audioManager.requestAudioFocus(focusRequest);
} else {
audioManager.requestAudioFocus(null, AudioManager.STREAM_VOICE_CALL,
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
}
/*
* Start by setting MODE_IN_COMMUNICATION as default audio mode. It is
* required to be in this mode when playout and/or recording starts for
* best possible VoIP performance. Some devices have difficulties with speaker mode
* if this is not set.
*/
audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
} else {
audioManager.setMode(savedAudioMode);
audioManager.abandonAudioFocus(null);
}
}
}
示例5: abandonAudioFocus
import android.media.AudioFocusRequest; //导入依赖的package包/类
public void abandonAudioFocus(OnAudioFocusChangeListener focusChangeListener) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
mAudioManager.abandonAudioFocusRequest(
new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
.setOnAudioFocusChangeListener(focusChangeListener)
.build());
} else {
//noinspection deprecation
mAudioManager.abandonAudioFocus(focusChangeListener);
}
}
示例6: setAudioFocus
import android.media.AudioFocusRequest; //导入依赖的package包/类
private void setAudioFocus() {
if (audioManager == null) {
return;
}
originalAudioMode = audioManager.getMode();
// Request audio focus before making any device switch
if (Build.VERSION.SDK_INT >= 26) {
AudioAttributes playbackAttributes = new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION)
.setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
.build();
focusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE)
.setAudioAttributes(playbackAttributes)
.setAcceptsDelayedFocusGain(true)
.setOnAudioFocusChangeListener(new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(int i) { }
})
.build();
audioManager.requestAudioFocus(focusRequest);
} else {
audioManager.requestAudioFocus(
null,
AudioManager.STREAM_VOICE_CALL,
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE
);
}
/*
* Start by setting MODE_IN_COMMUNICATION as default audio mode. It is
* required to be in this mode when playout and/or recording starts for
* best possible VoIP performance. Some devices have difficulties with speaker mode
* if this is not set.
*/
audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
}
示例7:
import android.media.AudioFocusRequest; //导入依赖的package包/类
@RequiresApi(Build.VERSION_CODES.O)
/* package */ AudioFocusRequest getAudioFocusRequest() {
return new AudioFocusRequest.Builder(mFocusGain)
.setAudioAttributes(getAudioAttributes())
.setAcceptsDelayedFocusGain(mAcceptsDelayedFocusGain)
.setWillPauseWhenDucked(mPauseOnDuck)
.setOnAudioFocusChangeListener(mOnAudioFocusChangeListener, mFocusChangeHandler)
.build();
}
示例8: initAudioFocusRequest
import android.media.AudioFocusRequest; //导入依赖的package包/类
private void initAudioFocusRequest() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
instructionFocusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK)
.build();
}
}