android.media.AudioManager Java Examples

/**
 * 声音高低
 *
 * @param percent
 */
private void onVolumeSlide(float percent) {
    if (mVolume == -1) {
        mVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
        if (mVolume < 0)
            mVolume = 0;

        mOperationBg.setImageResource(R.drawable.video_volumn_bg);
        mVolumeBrightnessLayout.setVisibility(View.VISIBLE);
    }

    int index = (int) (percent * mMaxVolume) + mVolume;
    if (index > mMaxVolume)
        index = mMaxVolume;
    else if (index < 0)
        index = 0;

    mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, index, 0);
    ViewGroup.LayoutParams lp = mOperationPercent.getLayoutParams();
    lp.width = findViewById(R.id.operation_full).getLayoutParams().width * index / mMaxVolume;
    mOperationPercent.setLayoutParams(lp);
}
 

private void playVideo(Uri uri) {
doCleanUp();
try {


  // Create a new media player and set the listeners
  mMediaPlayer = new MediaPlayer();
  mMediaPlayer.setDataSource(this, uri);
  mMediaPlayer.setDisplay(holder);
  mMediaPlayer.prepare();
  mMediaPlayer.setOnBufferingUpdateListener(this);
  mMediaPlayer.setOnCompletionListener(this);
  mMediaPlayer.setOnPreparedListener(this);
  mMediaPlayer.setOnVideoSizeChangedListener(this);
  mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

} catch (Exception e) {
  Log.e(TAG, "error: " + e.getMessage(), e);
}
}
 

public static void playNotificationSound(MediaPlayer mediaPlayer, Context context, Uri uri) {
    try {
        if (mediaPlayer.isPlaying()) {
            mediaPlayer.stop();
            mediaPlayer.reset();
        }
        if (uri != null && !Uri.EMPTY.equals(uri)) {
            mediaPlayer.setDataSource(context, uri);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                AudioAttributes attr = new AudioAttributes.Builder()
                        .setLegacyStreamType(AudioManager.STREAM_NOTIFICATION)
                        .build();
                mediaPlayer.setAudioAttributes(attr);
            } else {
                mediaPlayer.setAudioStreamType(AudioManager.STREAM_NOTIFICATION);
            }
            mediaPlayer.prepare();
            mediaPlayer.start();
        }
    } catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) {
        e.printStackTrace();
    }
}
 

public void initBluetooth() {
	if (!ensureInit()) {
		Log.w("[Bluetooth] Manager tried to init bluetooth but LinphoneService not ready yet...");
		return;
	}
	
	IntentFilter filter = new IntentFilter();
	filter.addCategory(BluetoothHeadset.VENDOR_SPECIFIC_HEADSET_EVENT_COMPANY_ID_CATEGORY + "." + BluetoothAssignedNumbers.PLANTRONICS);
	filter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
	filter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED);
	filter.addAction(BluetoothHeadset.ACTION_VENDOR_SPECIFIC_HEADSET_EVENT);
	mContext.registerReceiver(this,  filter);
	Log.d("[Bluetooth] Receiver started");
	
	startBluetooth();
}
 

/**
 * Set the volume_3 of a calibrated stream.
 * @see {@link #setStreamVolume(int, float)}
 * @throws RemoteException
 */
public int adjustStreamVolume(int stream, int direction, int index, int max) throws RemoteException {
    LogUtils.LOGI("AudioFlingerProxy", "adjustStreamVolume(" + stream + ", " + direction + ")");
    if (null == mAudioFlinger || TextUtils.isEmpty(mInterfaceDescriptor) || !isCalibrated(stream)) {
        return BAD_VALUE;
    }

    float value = getStreamVolume(stream);
    float increment = getStreamIncrement(stream);

    float newValue = value;
    switch (direction) {
        case AudioManager.ADJUST_LOWER:
            newValue -= increment;
        case AudioManager.ADJUST_RAISE:
            newValue += increment;
    }
    newValue = Math.max(0, Math.min(newValue, max * increment));

    LogUtils.LOGI("AudioFlingerProxy", "adjustStreamVolume() increment = " + increment + ", newVolume = " + newValue);
    return setStreamVolume(stream, newValue);
}
 

@Override
protected void onCreate(Bundle bundle) {
    PackageManager pm = getPackageManager();
    if (!pm.hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN)) {
        touchscreen = false;
    }

    applyTheme();
    applyFullscreen();
    super.onCreate(bundle);
    startService(new Intent(this, DownloadService.class));
    setVolumeControlStream(AudioManager.STREAM_MUSIC);

    if (getIntent().hasExtra(Constants.FRAGMENT_POSITION)) {
        lastSelectedPosition = getIntent().getIntExtra(Constants.FRAGMENT_POSITION, 0);
    }

    if (preferencesListener == null) {
        Util.getPreferences(this).registerOnSharedPreferenceChangeListener(preferencesListener);
    }

    if (ContextCompat.checkSelfPermission(this, permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this, new String[]{permission.WRITE_EXTERNAL_STORAGE}, PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE);
    }
}
 

@Override
public void onReceive(Context context, Intent intent) {
    String charset = intent.getStringExtra(EXTRA_CHARSET);
    if (charset != null && charset.length() > 0) {
        try {
            AssetFileDescriptor pronounceFile = getPronounceAssetFile(charset);
            if (pronounceFile.getLength() > 0) {
                final int playId = mSoundPool.load(pronounceFile, 1);
                mSoundPool.setOnLoadCompleteListener(new SoundPool.OnLoadCompleteListener() {
                    @Override
                    public void onLoadComplete(SoundPool soundPool, int i, int i2) {
                        int volume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
                        mSoundPool.play(playId, volume, volume, 1, 0, 1f);
                        mSoundPool.unload(playId);
                    }
                });
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
 

private AudioSlidePlayer(@NonNull Context context,
                         @NonNull AudioSlide slide,
                         @NonNull Listener listener)
{
  this.context              = context;
  this.slide                = slide;
  this.listener             = new WeakReference<>(listener);
  this.progressEventHandler = new ProgressEventHandler(this);
  this.audioManager         = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
  this.sensorManager        = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
  this.proximitySensor      = sensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);

  if (Build.VERSION.SDK_INT >= 21) {
    this.wakeLock = ServiceUtil.getPowerManager(context).newWakeLock(PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, TAG);
  } else {
    this.wakeLock = null;
  }
}
 

private void setPhoneMode(Intent response, PhoneMode mode) {
    // AudioManager
    AudioManager mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
    if (mode.equals(PhoneMode.SILENT)) {
        mAudioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
        setResult(response, DConnectMessage.RESULT_OK);
    } else if (mode.equals(PhoneMode.SOUND)) {
        mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
        setResult(response, DConnectMessage.RESULT_OK);
    } else if (mode.equals(PhoneMode.MANNER)) {
        mAudioManager.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
        setResult(response, DConnectMessage.RESULT_OK);
    } else if (mode.equals(PhoneMode.UNKNOWN)) {
        MessageUtils.setInvalidRequestParameterError(response, "mode is invalid.");
    }
}
 

@Override
public void onRingerModeChange(int ringerMode) {
    super.onRingerModeChange(ringerMode);
    if (null != mLastVolumeChange) {
        switch (mLastVolumeChange.mStreamType) {
            case AudioManager.STREAM_NOTIFICATION:
            case AudioManager.STREAM_RING:
                switch (ringerMode) {
                    case RINGER_MODE_VIBRATE:
                        icon.setImageResource(getVibrateIcon());
                        break;
                    case RINGER_MODE_SILENT:
                    default:
                        icon.setImageResource(getSilentIcon());
                        break;
                }
                break;
        }
    }
}
 

@Override
    public void onCompletion() {
        setUiWitStateAndScreen(CURRENT_STATE_NORMAL);
        if (textureViewContainer.getChildCount() > 0) {
            textureViewContainer.removeAllViews();
        }

        JCVideoPlayerManager.setListener(null);//这里还不完全,
//        JCVideoPlayerManager.setLastListener(null);
        JCMediaManager.instance().currentVideoWidth = 0;
        JCMediaManager.instance().currentVideoHeight = 0;

        AudioManager mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
        mAudioManager.abandonAudioFocus(onAudioFocusChangeListener);
        JCUtils.scanForActivity(getContext()).getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        clearFullscreenLayout();
    }
 

public void setAudioPlayByEarPhone(int state) {
    AudioManager audioManager = (AudioManager) mContext
            .getSystemService(Context.AUDIO_SERVICE);
    int currVolume = audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL);
    audioManager.setMode(AudioManager.MODE_IN_CALL);
    if (state == 0) {
        mIsEarPhoneOn = false;
        audioManager.setSpeakerphoneOn(true);
        audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
                audioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL),
                AudioManager.STREAM_VOICE_CALL);
        Log.i(TAG, "set SpeakerphoneOn true!");
    } else {
        mIsEarPhoneOn = true;
        audioManager.setSpeakerphoneOn(false);
        audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL, currVolume,
                AudioManager.STREAM_VOICE_CALL);
        Log.i(TAG, "set SpeakerphoneOn false!");
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

    mAdapter = new SelectValueScrollAdapter(
            this, getIntent().getIntExtra(EXTRA_COUNT, DEFAULT_COUNT));

    mView = new CardScrollView(this) {
        @Override
        public final boolean dispatchGenericFocusedEvent(MotionEvent event) {
            if (mDetector.onMotionEvent(event)) {
                return true;
            }
            return super.dispatchGenericFocusedEvent(event);
        }
    };
    mView.setAdapter(mAdapter);
    setContentView(mView);

    mDetector = new GestureDetector(this).setBaseListener(this);
}
 

/**
 * Requests to obtain the audio focus
 *
 * @return True if the focus was granted
 */
public boolean requestFocus() {
    if (!handleAudioFocus || currentFocus == AudioManager.AUDIOFOCUS_GAIN) {
        return true;
    }

    if (audioManager == null) {
        return false;
    }

    int status = audioManager.requestAudioFocus(this, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    if (AudioManager.AUDIOFOCUS_REQUEST_GRANTED == status) {
        currentFocus = AudioManager.AUDIOFOCUS_GAIN;
        return true;
    }

    startRequested = true;
    return false;
}
 

@Override
protected void onStop() {
  mSensorManager.unregisterListener(this);

  // Restore the original volume.
  AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
  audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, mOriginalVolume, 0);
  setVolumeControlStream(AudioManager.USE_DEFAULT_STREAM_TYPE);

  if (isRecording()) {
    stopRecording();
  }
  if (isPlaying()) {
    stopPlaying();
  }

  setState(State.UNKNOWN);

  mUiHandler.removeCallbacksAndMessages(null);

  if (mCurrentAnimator != null && mCurrentAnimator.isRunning()) {
    mCurrentAnimator.cancel();
  }

  super.onStop();
}
 

@Override
public boolean onGesture(Gesture gesture) {
    if (gesture == Gesture.TAP) {
        int position = mView.getSelectedItemPosition();
        SetTimerScrollAdapter.TimeComponents component =
                (SetTimerScrollAdapter.TimeComponents) mAdapter.getItem(position);
        Intent selectValueIntent = new Intent(this, SelectValueActivity.class);

        selectValueIntent.putExtra(SelectValueActivity.EXTRA_COUNT, component.getMaxValue());
        selectValueIntent.putExtra(
                SelectValueActivity.EXTRA_INITIAL_VALUE,
                (int) mAdapter.getTimeComponent(component));
        startActivityForResult(selectValueIntent, SELECT_VALUE);
        mAudioManager.playSoundEffect(AudioManager.FX_KEY_CLICK);
        return true;
    }
    return false;
}
 

@Override
public void onAudioFocusChange(int focusChange) {
    Log.e(TAG, "audioFocusChangeListener.onAudioFocusChange>>>>>>>>>>>>>>>>>>" + focusChange);
    switch (focusChange) {
        case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
        case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
            // pauseSpeaking();
            break;
        case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
        case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
            /*if (isSpeaking()) {
                synthesizer.resumeSpeaking();
            }*/
            break;
        default:
            break;
    }
}
 

@Override
public void onCodeScanned(String contents) {
    Log.d(TAG, "Code Scanned: " + contents);
    if (isCodeAlreadyScanned) {
        return;
    }       // To avoid double scans and pop 2 times the fragment
    isCodeAlreadyScanned = true;

    // Beep
    final ToneGenerator tg = new ToneGenerator(AudioManager.STREAM_NOTIFICATION, 100);
    tg.startTone(ToneGenerator.TONE_PROP_BEEP);

    //
    mListener.onPasswordUpdated(contents);

    // Pop current fragment
    FragmentActivity activity = getActivity();
    if (activity != null) {
        FragmentManager fragmentManager = activity.getSupportFragmentManager();
        fragmentManager.popBackStack();
    }
}
 

private boolean isBluetoothAvailable() {
    try {
        synchronized (LOCK) {
            AudioManager audioManager = AppUtil.INSTANCE.getAudioManager(context);

            if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
                return false;
            }
            if (!audioManager.isBluetoothScoAvailableOffCall()) {
                return false;
            }

            return bluetoothHeadset != null && !bluetoothHeadset.getConnectedDevices().isEmpty();
        }
    } catch (Exception e) {
        Log.w(TAG, e);
        return false;
    }
}
 

private void playKeyClick(int primaryCode) {
    // if mAudioManager is null, we don't have the ringer state yet
    // mAudioManager will be set by updateRingerMode
    if (mAudioManager == null) {
        if (mKeyboardSwitcher.getInputView() != null) {
            updateRingerMode();
        }
    }
    if (mSoundOn && !mSilentMode) {
        // FIXME: Volume and enable should come from UI settings
        // FIXME: These should be triggered after auto-repeat logic
        int sound = AudioManager.FX_KEYPRESS_STANDARD;
        switch (primaryCode) {
        case Keyboard.KEYCODE_DELETE:
            sound = AudioManager.FX_KEYPRESS_DELETE;
            break;
        case ASCII_ENTER:
            sound = AudioManager.FX_KEYPRESS_RETURN;
            break;
        case ASCII_SPACE:
            sound = AudioManager.FX_KEYPRESS_SPACEBAR;
            break;
        }
        mAudioManager.playSoundEffect(sound, getKeyClickVolume());
    }
}
 

private void loadVibrateSetting(SQLiteDatabase db, boolean deleteOld) {
    if (deleteOld) {
        db.execSQL("DELETE FROM system WHERE name='" + Settings.System.VIBRATE_ON + "'");
    }

    SQLiteStatement stmt = null;
    try {
        stmt = db.compileStatement("INSERT OR IGNORE INTO system(name,value)"
                + " VALUES(?,?);");

        // Vibrate on by default for ringer, on for notification
        int vibrate = 0;
        vibrate = AudioSystem.getValueForVibrateSetting(vibrate,
                AudioManager.VIBRATE_TYPE_NOTIFICATION,
                AudioManager.VIBRATE_SETTING_ONLY_SILENT);
        vibrate |= AudioSystem.getValueForVibrateSetting(vibrate,
                AudioManager.VIBRATE_TYPE_RINGER, AudioManager.VIBRATE_SETTING_ONLY_SILENT);
        loadSetting(stmt, Settings.System.VIBRATE_ON, vibrate);
    } finally {
        if (stmt != null) stmt.close();
    }
}
 

private void initializeSounds() {
    this.setVolumeControlStream(AudioManager.STREAM_MUSIC);
    // Load sounds
    mSoundPool = new SoundPool(10, AudioManager.STREAM_MUSIC, 0);
    mSoundPool.setOnLoadCompleteListener(new OnLoadCompleteListener() {
        @Override
        public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
            mLoaded = true;
        }
    });
    mSoundConnect = mSoundPool.load(this, R.raw.proxima, 1);
    mSoundDisconnect = mSoundPool.load(this, R.raw.tejat, 1);
}
 

public void stopSound(Context context) {
    if (MediaPlayerUtils.getInstance().isSound()) {
        stopFindingPhones();
        MediaPlayerUtils.getInstance().stop();
        if (mVolumeLevel >= 0) {
            AudioManager am = (AudioManager) context.getSystemService(AUDIO_SERVICE);
            if (am != null) {
                am.setStreamVolume(AudioManager.STREAM_ALARM, mVolumeLevel, 0);
                mVolumeLevel = -1;
            }
        }
    }
    stopVibrate();
}
 

public AndroidMediaPlayer() {
    synchronized (mInitLock) {
        mInternalMediaPlayer = new MediaPlayer();
    }
    mInternalMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
    mInternalListenerAdapter = new AndroidMediaPlayerListenerHolder(this);
    attachInternalListeners();
}
 

/**
  * set the phone to silent
  */
 private void playMedia() {
   AudioManager audioManager =(AudioManager) getSystemService(Context.AUDIO_SERVICE);
   long eventtime = SystemClock.uptimeMillis() - 1;
KeyEvent downEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY, 0);
KeyEvent upEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PLAY, 0);
audioManager.dispatchMediaKeyEvent(downEvent);
audioManager.dispatchMediaKeyEvent(upEvent);
  }
 

@Override
public void onCreate() {
    super.onCreate();
    App app = (App) getApplication();
    app.inject(this);

    player = new RadioPlayer();
    receiver = new PlayerReceiver();
    notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

    IntentFilter filter = new IntentFilter();
    filter.addAction(ACTION_SELECT_PROGRAM_LIST);
    filter.addAction(ACTION_PLAY);
    filter.addAction(ACTION_PAUSE);
    filter.addAction(ACTION_NEXT);
    filter.addAction(ACTION_STOP);
    filter.addAction(ACTION_PREVIOUS);
    filter.addAction(ACTION_SEEK_TO_POSITION);
    filter.addAction(ACTION_SEEK_TO_PERCENT);
    filter.addAction(AudioManager.ACTION_AUDIO_BECOMING_NOISY);
    registerReceiver(receiver, filter);

    audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

    WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
    wifiLock = wifiManager.createWifiLock(WifiManager.WIFI_MODE_FULL, "wifi_lock");
    wifiLock.acquire();
    int result = audioManager.requestAudioFocus(this,
            AudioManager.STREAM_MUSIC,
            AudioManager.AUDIOFOCUS_GAIN);

    if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
        // could not get audio focus.
    }
    TelephonyManager telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
    telephonyManager.listen(mPhoneListener, PhoneStateListener.LISTEN_CALL_STATE);
}
 

public void toggleBluetoothHeadset(boolean enabled) {
    AudioManager audioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
    if(enabled){
        audioManager.startBluetoothSco();
    } else {
        audioManager.stopBluetoothSco();
    }
}
 

@Override
public void onSensorChanged(SensorEvent event) {
    AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    try {
        if (audioManager.isBluetoothA2dpOn() || audioManager.isWiredHeadsetOn()) {
            return;
        }
        if (mAdapter.getMediaPlayer().isPlaying()) {
            float distance = event.values[0];
            if (distance >= mSensor.getMaximumRange()) {
                mAdapter.setAudioPlayByEarPhone(0);
                setScreenOn();
            } else {
                mAdapter.setAudioPlayByEarPhone(2);
                ViewHolderController.getInstance().replayVoice();
                setScreenOff();
            }
        } else {
            if (mWakeLock != null && mWakeLock.isHeld()) {
                mWakeLock.release();
                mWakeLock = null;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

}
 

/**
 * 判断是否需要响铃
 * 
 * @param prefs
 * @param activity
 * @return
 */
private static boolean shouldBeep(SharedPreferences prefs, Context activity) {
	boolean shouldPlayBeep = prefs.getBoolean(
			PreferencesActivity.KEY_PLAY_BEEP, true);
	if (shouldPlayBeep) {
		// See if sound settings overrides this
		AudioManager audioService = (AudioManager) activity
				.getSystemService(Context.AUDIO_SERVICE);
		if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
			shouldPlayBeep = false;
		}
	}
	return shouldPlayBeep;
}
 

@Override
protected void onDestroy() {
    if (soundPool != null)
        soundPool.release();
    if (ringtone != null && ringtone.isPlaying())
        ringtone.stop();
    audioManager.setMode(AudioManager.MODE_NORMAL);
    audioManager.setMicrophoneMute(false);

    if(callStateListener != null)
        EMClient.getInstance().callManager().removeCallStateChangeListener(callStateListener);
    releaseHandler();
    super.onDestroy();
}