Example usage for android.content Context AUDIO

Introduction

In this page you can find the example usage for android.content Context AUDIO_SERVICE.

Prototype

String AUDIO_SERVICE

To view the source code for android.content Context AUDIO_SERVICE.

Click Source Link

Document

Use with #getSystemService(String) to retrieve a android.media.AudioManager for handling management of volume, ringer modes and audio routing.

Usage

From source file:com.anysoftkeyboard.AnySoftKeyboard.java

@Override
public void onCreate() {
    super.onCreate();
    mOrientation = getResources().getConfiguration().orientation;
    if ((!BuildConfig.DEBUG) && DeveloperUtils.hasTracingRequested(getApplicationContext())) {
        try {/*from   ww w  . java2  s.com*/
            DeveloperUtils.startTracing();
            Toast.makeText(getApplicationContext(), R.string.debug_tracing_starting, Toast.LENGTH_SHORT).show();
        } catch (Exception e) {
            //see issue https://github.com/AnySoftKeyboard/AnySoftKeyboard/issues/105
            //I might get a "Permission denied" error.
            e.printStackTrace();
            Toast.makeText(getApplicationContext(), R.string.debug_tracing_starting_failed, Toast.LENGTH_LONG)
                    .show();
        }
    }
    Logger.i(TAG, "****** AnySoftKeyboard v%s (%d) service started.", BuildConfig.VERSION_NAME,
            BuildConfig.VERSION_CODE);
    if (!BuildConfig.DEBUG && BuildConfig.VERSION_NAME.endsWith("-SNAPSHOT"))
        throw new RuntimeException("You can not run a 'RELEASE' build with a SNAPSHOT postfix!");

    if (mAskPrefs.getAnimationsLevel() != AskPrefs.AnimationsLevel.None) {
        final int fancyAnimation = getResources().getIdentifier("Animation_InputMethodFancy", "style",
                "android");
        if (fancyAnimation != 0) {
            Logger.i(TAG, "Found Animation_InputMethodFancy as %d, so I'll use this", fancyAnimation);
            getWindow().getWindow().setWindowAnimations(fancyAnimation);
        } else {
            Logger.w(TAG, "Could not find Animation_InputMethodFancy, using default animation");
            getWindow().getWindow().setWindowAnimations(android.R.style.Animation_InputMethod);
        }
    }

    mInputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
    mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    updateRingerMode();
    // register to receive ringer mode changes for silent mode
    registerReceiver(mSoundPreferencesChangedReceiver,
            mSoundPreferencesChangedReceiver.createFilterToRegisterOn());
    // register to receive packages changes
    registerReceiver(mPackagesChangedReceiver, mPackagesChangedReceiver.createFilterToRegisterOn());
    mVibrator = ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE));

    onLoadSettingsRequired(PreferenceManager.getDefaultSharedPreferences(this));
    mAskPrefs.addChangedListener(this);

    mVoiceRecognitionTrigger = new VoiceRecognitionTrigger(this);
}

From source file:im.vector.activity.CallViewActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // assume that the user cancels the call if it is ringing
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (!canCallBeResumed()) {
            if (null != mCall) {
                mCall.hangup("");
            }/*from  ww w  . ja v  a  2s  .  c  om*/
        } else {
            saveCallView();
        }
    } else if ((keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) || (keyCode == KeyEvent.KEYCODE_VOLUME_UP)) {
        // this is a trick to reduce the ring volume :
        // when the call is ringing, the AudioManager.Mode switch to MODE_IN_COMMUNICATION
        // so the volume is the next call one whereas the user expects to reduce the ring volume.
        if ((null != mCall) && mCall.getCallState().equals(IMXCall.CALL_STATE_RINGING)) {
            AudioManager audioManager = (AudioManager) CallViewActivity.this
                    .getSystemService(Context.AUDIO_SERVICE);
            // IMXChrome call issue
            if (audioManager.getMode() == AudioManager.MODE_IN_COMMUNICATION) {
                int musicVol = audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL)
                        * audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC)
                        / audioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL);
                audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, musicVol, 0);
            }
        }
    }

    return super.onKeyDown(keyCode, event);
}

From source file:org.amahi.anywhere.service.AudioService.java

private void tearDownAudioPlayerRemote() {
    AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    ComponentName audioReceiver = new ComponentName(getPackageName(), AudioReceiver.class.getName());

    audioManager.abandonAudioFocus(this);
    audioManager.unregisterMediaButtonEventReceiver(audioReceiver);
    audioManager.unregisterRemoteControlClient(audioPlayerRemote);
}

From source file:org.ulteo.ovd.AndRdpActivity.java

@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    AudioManager audioManager;//from   w  w w . j  a  va  2 s.co m

    if (Config.DEBUG)
        Log.i(Config.TAG, "AndRdpActivity.dispatchKeyEvent " + event);

    // Disable keypress if it is from a mouse or touchpad.
    if (event.getDeviceId() >= 0) {
        InputDevice dev = InputDevice.getDevice(event.getDeviceId());
        if (dev.getSources() == InputDevice.SOURCE_MOUSE || dev.getSources() == InputDevice.SOURCE_TOUCHPAD)
            return true;
    }

    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_MENU:
            OnThreeFingers(null);
            return true;
        case KeyEvent.KEYCODE_BACK:
            Log.i(Config.TAG, "Back key pressed");
            askLogoutDialog();
            return true;
        case KeyEvent.KEYCODE_VOLUME_UP:
            audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
            audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE,
                    AudioManager.FLAG_SHOW_UI);
            return true;
        case KeyEvent.KEYCODE_VOLUME_DOWN:
            audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
            audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER,
                    AudioManager.FLAG_SHOW_UI);
            return true;
        }
    } else if (event.getAction() == KeyEvent.ACTION_UP) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_MENU:
        case KeyEvent.KEYCODE_BACK:
        case KeyEvent.KEYCODE_VOLUME_UP:
        case KeyEvent.KEYCODE_VOLUME_DOWN:
            return true;
        }
    }

    if (isLoggedIn() && rdp.dispatchKeyEvent(event))
        return true;

    return super.dispatchKeyEvent(event);
}

From source file:com.android.msahakyan.fma.fragment.TrackDetailFragment.java

private void mute(boolean mute) {
    AudioManager audioManager = (AudioManager) activity.getSystemService(Context.AUDIO_SERVICE);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (!audioManager.isStreamMute(AudioManager.STREAM_MUSIC)) {
            audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,
                    mute ? AudioManager.ADJUST_MUTE : AudioManager.ADJUST_UNMUTE, 0);
        }/*from www .  ja  va 2 s  .c om*/
    } else {
        audioManager.setStreamMute(AudioManager.STREAM_MUSIC, mute);
    }
}

From source file:com.z3r0byte.magistify.Services.OldBackgroundService.java

private void autoSilentTimer() {
    Log.d(TAG, "autoSilentTimer: Starting autoSilent Timer");
    TimerTask silentTask = new TimerTask() {
        @Override/*  www .  j av a  2s.c  o  m*/
        public void run() {
            appointments = calendarDB.getSilentAppointments(getMargin());
            if (doSilent(appointments)) {
                silenced(true);
                AudioManager audiomanager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
                configUtil.setInteger("previous_silent_state", audiomanager.getRingerMode());
                if (audiomanager.getRingerMode() != AudioManager.RINGER_MODE_SILENT) {
                    audiomanager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
                }
            } else {
                if (isSilencedByApp()) {
                    AudioManager audiomanager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
                    if (configUtil.getBoolean("reverse_silent_state")) {
                        audiomanager.setRingerMode(configUtil.getInteger("previous_silent_state"));
                    } else {
                        audiomanager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
                    }
                    silenced(false);
                }
            }
        }
    };
    timer.schedule(silentTask, 6000, 10 * 1000);
}

From source file:org.kontalk.ui.MessagingNotification.java

private static void setDefaults(Context context, NotificationCompat.Builder builder) {
    int defaults = 0;

    if (Preferences.getNotificationLED(context)) {
        int ledColor = Preferences.getNotificationLEDColor(context);
        builder.setLights(ledColor, 1000, 1000);
    } else {//from   w ww.j a  v  a2s .  c  o  m
        // this will disable the LED completely
        builder.setLights(0, 0, 0);
    }

    String ringtone = Preferences.getNotificationRingtone(context);
    if (ringtone != null && ringtone.length() > 0)
        builder.setSound(Uri.parse(ringtone));

    String vibrate = Preferences.getNotificationVibrate(context);
    if ("always".equals(vibrate) || ("silent_only".equals(vibrate)
            && ((AudioManager) context.getSystemService(Context.AUDIO_SERVICE))
                    .getRingerMode() != AudioManager.RINGER_MODE_NORMAL))
        defaults |= Notification.DEFAULT_VIBRATE;

    builder.setDefaults(defaults);
}

From source file:org.thoughtcrime.SMP.notifications.MessageNotifier.java

private static void sendInThreadNotification(Context context, Recipients recipients) {
    try {//from  w  ww  .jav  a  2 s  . c  o m
        if (!TextSecurePreferences.isInThreadNotifications(context)) {
            return;
        }

        Uri uri = recipients.getRingtone();

        if (uri == null) {
            String ringtone = TextSecurePreferences.getNotificationRingtone(context);

            if (ringtone == null) {
                Log.w(TAG, "ringtone preference was null.");
                return;
            } else {
                uri = Uri.parse(ringtone);
            }
        }

        if (uri == null) {
            Log.w(TAG, "couldn't parse ringtone uri " + TextSecurePreferences.getNotificationRingtone(context));
            return;
        }

        MediaPlayer player = new MediaPlayer();
        player.setAudioStreamType(AudioManager.STREAM_NOTIFICATION);
        player.setDataSource(context, uri);
        player.setLooping(false);
        player.setVolume(0.25f, 0.25f);
        player.prepare();

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

        audioManager.requestAudioFocus(null, AudioManager.STREAM_NOTIFICATION,
                AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK);

        player.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                audioManager.abandonAudioFocus(null);
            }
        });

        player.start();
    } catch (IOException ioe) {
        Log.w("MessageNotifier", ioe);
    }
}

From source file:com.example.android.mediarouter.player.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    // Be sure to call the super class.
    super.onCreate(savedInstanceState);
    if (savedInstanceState != null) {
        mPlayer = (Player) savedInstanceState.getSerializable("mPlayer");
    }//  ww w  .  j  a va  2 s.com

    // Get the media router service.
    mMediaRouter = MediaRouter.getInstance(this);

    // Create a route selector for the type of routes that we care about.
    mSelector = new MediaRouteSelector.Builder().addControlCategory(MediaControlIntent.CATEGORY_LIVE_AUDIO)
            .addControlCategory(MediaControlIntent.CATEGORY_LIVE_VIDEO)
            .addControlCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK)
            .addControlCategory(SampleMediaRouteProvider.CATEGORY_SAMPLE_ROUTE).build();

    // Add a fragment to take care of media route discovery.
    // This fragment automatically adds or removes a callback whenever the activity
    // is started or stopped.
    FragmentManager fm = getSupportFragmentManager();
    DiscoveryFragment fragment = (DiscoveryFragment) fm.findFragmentByTag(DISCOVERY_FRAGMENT_TAG);
    if (fragment == null) {
        fragment = new DiscoveryFragment(mMediaRouterCB);
        fragment.setRouteSelector(mSelector);
        fm.beginTransaction().add(fragment, DISCOVERY_FRAGMENT_TAG).commit();
    } else {
        fragment.setCallback(mMediaRouterCB);
        fragment.setRouteSelector(mSelector);
    }

    // Populate an array adapter with streaming media items.
    String[] mediaNames = getResources().getStringArray(R.array.media_names);
    String[] mediaUris = getResources().getStringArray(R.array.media_uris);
    mLibraryItems = new LibraryAdapter();
    for (int i = 0; i < mediaNames.length; i++) {
        mLibraryItems.add(new MediaItem("[streaming] " + mediaNames[i], Uri.parse(mediaUris[i]), "video/mp4"));
    }

    // Scan local external storage directory for media files.
    File externalDir = Environment.getExternalStorageDirectory();
    if (externalDir != null) {
        File list[] = externalDir.listFiles();
        if (list != null) {
            for (int i = 0; i < list.length; i++) {
                String filename = list[i].getName();
                if (filename.matches(".*\\.(m4v|mp4)")) {
                    mLibraryItems.add(new MediaItem("[local] " + filename, Uri.fromFile(list[i]), "video/mp4"));
                }
            }
        }
    }

    mPlayListItems = new PlaylistAdapter();

    // Initialize the layout.
    setContentView(R.layout.sample_media_router);

    TabHost tabHost = (TabHost) findViewById(R.id.tabHost);
    tabHost.setup();
    String tabName = getResources().getString(R.string.library_tab_text);
    TabSpec spec1 = tabHost.newTabSpec(tabName);
    spec1.setContent(R.id.tab1);
    spec1.setIndicator(tabName);

    tabName = getResources().getString(R.string.playlist_tab_text);
    TabSpec spec2 = tabHost.newTabSpec(tabName);
    spec2.setIndicator(tabName);
    spec2.setContent(R.id.tab2);

    tabName = getResources().getString(R.string.statistics_tab_text);
    TabSpec spec3 = tabHost.newTabSpec(tabName);
    spec3.setIndicator(tabName);
    spec3.setContent(R.id.tab3);

    tabHost.addTab(spec1);
    tabHost.addTab(spec2);
    tabHost.addTab(spec3);
    tabHost.setOnTabChangedListener(new OnTabChangeListener() {
        @Override
        public void onTabChanged(String arg0) {
            updateUi();
        }
    });

    mLibraryView = (ListView) findViewById(R.id.media);
    mLibraryView.setAdapter(mLibraryItems);
    mLibraryView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    mLibraryView.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            updateButtons();
        }
    });

    mPlayListView = (ListView) findViewById(R.id.playlist);
    mPlayListView.setAdapter(mPlayListItems);
    mPlayListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    mPlayListView.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            updateButtons();
        }
    });

    mInfoTextView = (TextView) findViewById(R.id.info);

    mPauseResumeButton = (ImageButton) findViewById(R.id.pause_resume_button);
    mPauseResumeButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mPaused = !mPaused;
            if (mPaused) {
                mSessionManager.pause();
            } else {
                mSessionManager.resume();
            }
        }
    });

    mStopButton = (ImageButton) findViewById(R.id.stop_button);
    mStopButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mPaused = false;
            mSessionManager.stop();
        }
    });

    mSeekBar = (SeekBar) findViewById(R.id.seekbar);
    mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
        @Override
        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
            PlaylistItem item = getCheckedPlaylistItem();
            if (fromUser && item != null && item.getDuration() > 0) {
                long pos = progress * item.getDuration() / 100;
                mSessionManager.seek(item.getItemId(), pos);
                item.setPosition(pos);
                item.setTimestamp(SystemClock.elapsedRealtime());
            }
        }

        @Override
        public void onStartTrackingTouch(SeekBar seekBar) {
            mSeeking = true;
        }

        @Override
        public void onStopTrackingTouch(SeekBar seekBar) {
            mSeeking = false;
            updateUi();
        }
    });

    // Schedule Ui update
    mHandler.postDelayed(mUpdateSeekRunnable, 1000);

    // Build the PendingIntent for the remote control client
    mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    mEventReceiver = new ComponentName(getPackageName(), SampleMediaButtonReceiver.class.getName());
    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mEventReceiver);
    mMediaPendingIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, 0);

    // Create and register the remote control client
    registerRemoteControlClient();

    // Set up playback manager and player
    mPlayer = Player.create(MainActivity.this, mMediaRouter.getSelectedRoute());
    mSessionManager.setPlayer(mPlayer);
    mSessionManager.setCallback(new SessionManager.Callback() {
        @Override
        public void onStatusChanged() {
            updateUi();
        }

        @Override
        public void onItemChanged(PlaylistItem item) {
        }
    });

    updateUi();
}

From source file:com.example.android.mediarouter.player.RadioActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    // Be sure to call the super class.
    super.onCreate(savedInstanceState);
    if (savedInstanceState != null) {
        mPlayer = (RadioPlayer) savedInstanceState.getSerializable("mPlayer");
    }//from  ww  w . jav  a2  s. c om

    // Get the media router service.
    mMediaRouter = MediaRouter.getInstance(this);

    // Create a route selector for the type of routes that we care about.
    mSelector = new MediaRouteSelector.Builder().addControlCategory(MediaControlIntent.CATEGORY_LIVE_AUDIO)
            .addControlCategory(MediaControlIntent.CATEGORY_LIVE_VIDEO)
            .addControlCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK)
            .addControlCategory(SampleMediaRouteProvider.CATEGORY_SAMPLE_ROUTE).build();

    // Add a fragment to take care of media route discovery.
    // This fragment automatically adds or removes a callback whenever the activity
    // is started or stopped.
    FragmentManager fm = getSupportFragmentManager();
    DiscoveryFragment fragment = (DiscoveryFragment) fm.findFragmentByTag(DISCOVERY_FRAGMENT_TAG);
    if (fragment == null) {
        fragment = new DiscoveryFragment(mMediaRouterCB);
        fragment.setRouteSelector(mSelector);
        fm.beginTransaction().add(fragment, DISCOVERY_FRAGMENT_TAG).commit();
    } else {
        fragment.setCallback(mMediaRouterCB);
        fragment.setRouteSelector(mSelector);
    }

    // Populate an array adapter with streaming media items.
    String[] mediaNames = getResources().getStringArray(R.array.media_names);
    String[] mediaUris = getResources().getStringArray(R.array.media_uris);
    mLibraryItems = new LibraryAdapter();
    for (int i = 0; i < mediaNames.length; i++) {
        mLibraryItems.add(new MediaItem("[streaming] " + mediaNames[i], Uri.parse(mediaUris[i]), "video/mp4"));
    }

    // Scan local external storage directory for media files.
    File externalDir = Environment.getExternalStorageDirectory();
    if (externalDir != null) {
        File list[] = externalDir.listFiles();
        if (list != null) {
            for (int i = 0; i < list.length; i++) {
                String filename = list[i].getName();
                if (filename.matches(".*\\.(m4v|mp4)")) {
                    mLibraryItems.add(new MediaItem("[local] " + filename, Uri.fromFile(list[i]), "video/mp4"));
                }
            }
        }
    }

    mPlayListItems = new PlaylistAdapter();

    // Initialize the layout.
    setContentView(R.layout.sample_radio_router);

    TabHost tabHost = (TabHost) findViewById(R.id.tabHost);
    tabHost.setup();
    String tabName = getResources().getString(R.string.library_tab_text);
    TabSpec spec1 = tabHost.newTabSpec(tabName);
    spec1.setContent(R.id.tab1);
    spec1.setIndicator(tabName);

    tabName = getResources().getString(R.string.playlist_tab_text);
    TabSpec spec2 = tabHost.newTabSpec(tabName);
    spec2.setIndicator(tabName);
    spec2.setContent(R.id.tab2);

    tabName = getResources().getString(R.string.statistics_tab_text);
    TabSpec spec3 = tabHost.newTabSpec(tabName);
    spec3.setIndicator(tabName);
    spec3.setContent(R.id.tab3);

    tabHost.addTab(spec1);
    tabHost.addTab(spec2);
    tabHost.addTab(spec3);
    tabHost.setOnTabChangedListener(new OnTabChangeListener() {
        @Override
        public void onTabChanged(String arg0) {
            updateUi();
        }
    });

    mLibraryView = (ListView) findViewById(R.id.media);
    mLibraryView.setAdapter(mLibraryItems);
    mLibraryView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    mLibraryView.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            updateButtons();
        }
    });

    mPlayListView = (ListView) findViewById(R.id.playlist);
    mPlayListView.setAdapter(mPlayListItems);
    mPlayListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    mPlayListView.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            updateButtons();
        }
    });

    mInfoTextView = (TextView) findViewById(R.id.info);

    mPauseResumeButton = (ImageButton) findViewById(R.id.pause_resume_button);
    mPauseResumeButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mPaused = !mPaused;
            if (mPaused) {
                mSessionManager.pause();
            } else {
                mSessionManager.resume();
            }
        }
    });

    mStopButton = (ImageButton) findViewById(R.id.stop_button);
    mStopButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mPaused = false;
            mSessionManager.stop();
        }
    });

    mSeekBar = (SeekBar) findViewById(R.id.seekbar);
    mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
        @Override
        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
            PlaylistItem item = getCheckedPlaylistItem();
            if (fromUser && item != null && item.getDuration() > 0) {
                long pos = progress * item.getDuration() / 100;
                mSessionManager.seek(item.getItemId(), pos);
                item.setPosition(pos);
                item.setTimestamp(SystemClock.elapsedRealtime());
            }
        }

        @Override
        public void onStartTrackingTouch(SeekBar seekBar) {
            mSeeking = true;
        }

        @Override
        public void onStopTrackingTouch(SeekBar seekBar) {
            mSeeking = false;
            updateUi();
        }
    });

    // Schedule Ui update
    mHandler.postDelayed(mUpdateSeekRunnable, 1000);

    // Build the PendingIntent for the remote control client
    mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    mEventReceiver = new ComponentName(getPackageName(), SampleMediaButtonReceiver.class.getName());
    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mEventReceiver);
    mMediaPendingIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, 0);

    // Create and register the remote control client
    registerRemoteControlClient();

    // Set up playback manager and player
    mPlayer = RadioPlayer.create(RadioActivity.this, mMediaRouter.getSelectedRoute());
    mSessionManager.setPlayer(mPlayer);
    mSessionManager.setCallback(new RadioSessionManager.Callback() {
        @Override
        public void onStatusChanged() {
            updateUi();
        }

        @Override
        public void onItemChanged(PlaylistItem item) {
        }
    });

    updateUi();
}

Example usage for android.content Context AUDIO_SERVICE

Introduction

Prototype

Document

Usage