Example usage for android.content BroadcastReceiver BroadcastReceiver

List of usage examples for android.content BroadcastReceiver BroadcastReceiver

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Introduction

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

Prototype

public BroadcastReceiver()

Source Link

Usage

From source file:br.ufc.quixada.dsdm.myapplicationtestemulttabs.googleGCM.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main4);

    mRegistrationProgressBar = (ProgressBar) findViewById(R.id.registrationProgressBar);
    mRegistrationBroadcastReceiver = new BroadcastReceiver() {
        @Override//ww w  . j  av  a 2 s .  c  o  m
        public void onReceive(Context context, Intent intent) {
            /*mRegistrationProgressBar.setVisibility(ProgressBar.GONE);
            SharedPreferences sharedPreferences =
                PreferenceManager.getDefaultSharedPreferences(context);
            boolean sentToken = sharedPreferences
                .getBoolean(QuickstartPreferences.SENT_TOKEN_TO_SERVER, false);
            if (sentToken) {
            //mInformationTextView.setText(getString(R.string.gcm_send_message));
                    
            } else {
            //mInformationTextView.setText(getString(R.string.token_error_message));
            }*/
            Log.i("Entro nessa bagaa", "asdgasjdgjhasgdjgasda");
        }
    };
    mInformationTextView = (TextView) findViewById(R.id.informationTextView);

    /*if (checkPlayServices()) {
    // Start IntentService to register this application with GCM.
            
    Intent intent = new Intent(this, RegistrationIntentService.class);
    startService(intent);
    }
            
    EventBus.getDefault().register(this);*/
    tv = (TextView) findViewById(R.id.textView);
    Amigo amigo = new Amigo();
    amigo.setIdAmigo(2);

    String url = "http://192.168.129.147:80/Servidor/FronteiraBuscarAmigo.php";
    NetworkConnection.getInstance(this).executeBusca(new WrapObjToNetwork(amigo),
            RegistrationIntentService.class.getName(), url);

}

From source file:com.polyvi.xface.extension.XBatteryExt.java

@Override
public XExtensionResult exec(String action, JSONArray args, XCallbackContext callbackCtx) throws JSONException {
    XExtensionResult.Status status = XExtensionResult.Status.INVALID_ACTION;
    String result = "Unsupported Operation: " + action;
    if (COMMAND_START.equals(action)) {
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
        final XCallbackContext cbCtx = callbackCtx;
        if (null == mBroadcastReceiver) {
            mBroadcastReceiver = new BroadcastReceiver() {
                @Override/*from  w  w  w.j  a v a2  s . c om*/
                public void onReceive(Context context, Intent intent) {
                    XLog.d(CLASS_NAME, "received broadcast of battery changing");
                    updateBatteryInfo(intent, cbCtx);
                }
            };
            getContext().registerReceiver(mBroadcastReceiver, intentFilter);
        }
        XExtensionResult extensionResult = new XExtensionResult(XExtensionResult.Status.NO_RESULT);
        extensionResult.setKeepCallback(true);
        return extensionResult;
    } else if (COMMAND_STOP.equals(action)) {
        removeBatteryListener();
        sendUpdate(new JSONObject(), callbackCtx, false);
        return new XExtensionResult(XExtensionResult.Status.OK);
    }
    return new XExtensionResult(status, result);
}

From source file:kkook.team.projectswitch.gcm.TestActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_test_gcm);

    mRegistrationProgressBar = (ProgressBar) findViewById(R.id.registrationProgressBar);
    mRegistrationBroadcastReceiver = new BroadcastReceiver() {
        @Override/*from  w  w w .  j ava2  s .  c o m*/
        public void onReceive(Context context, Intent intent) {
            mRegistrationProgressBar.setVisibility(ProgressBar.GONE);
            SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
            boolean sentToken = sharedPreferences.getBoolean(QuickstartPreferences.SENT_TOKEN_TO_SERVER, false);
            if (sentToken) {
                mInformationTextView.setText(
                        "Token retrieved and sent to server! You can now use gcmsender to send downstream messages to this app.");
                ((Button) findViewById(R.id.btnSend)).setVisibility(View.VISIBLE);
                ((EditText) findViewById(R.id.etMessage)).setVisibility(View.VISIBLE);

            } else {
                mInformationTextView.setText(
                        "An error occurred while either fetching the InstanceID token, sending the fetched token to the server or subscribing to the PubSub topic. Please try running the sample again.");
            }
        }
    };
    mInformationTextView = (TextView) findViewById(R.id.informationTextView);

    if (checkPlayServices()) {
        // Start IntentService to register this application with GCM.
        Intent intent = new Intent(this, RegistrationIntentService.class);
        startService(intent);

        ((Button) findViewById(R.id.btnSend)).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                new Thread(runSender).start();
            }
        });
    }
}

From source file:com.jams.music.player.Dialogs.ABRepeatDialog.java

@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {

    mContext = getActivity().getApplicationContext();
    mApp = (Common) mContext;//from w  w  w . j  a v  a2s  .  com

    receiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            initRepeatSongRangeDialog();

        }

    };

    sharedPreferences = getActivity().getSharedPreferences("com.jams.music.player", Context.MODE_PRIVATE);
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    View view = getActivity().getLayoutInflater().inflate(R.layout.fragment_repeat_song_range_dialog, null);
    currentSongIndex = mApp.getService().getCurrentSongIndex();

    repeatSongATime = (TextView) view.findViewById(R.id.repeat_song_range_A_time);
    repeatSongBTime = (TextView) view.findViewById(R.id.repeat_song_range_B_time);

    currentSongDurationMillis = (int) mApp.getService().getCurrentMediaPlayer().getDuration();
    currentSongDurationSecs = (int) currentSongDurationMillis / 1000;

    //Remove the placeholder seekBar and replace it with the RangeSeekBar.
    seekBar = (SeekBar) view.findViewById(R.id.repeat_song_range_placeholder_seekbar);
    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) seekBar.getLayoutParams();
    viewGroup = (ViewGroup) seekBar.getParent();
    viewGroup.removeView(seekBar);

    rangeSeekBar = new RangeSeekBar<Integer>(0, currentSongDurationSecs, getActivity());
    rangeSeekBar.setLayoutParams(params);
    viewGroup.addView(rangeSeekBar);

    if (sharedPreferences.getInt(Common.REPEAT_MODE, Common.REPEAT_OFF) == Common.A_B_REPEAT) {
        repeatSongATime.setText(convertMillisToMinsSecs(mApp.getService().getRepeatSongRangePointA()));
        repeatSongBTime.setText(convertMillisToMinsSecs(mApp.getService().getRepeatSongRangePointB()));

        rangeSeekBar.setSelectedMinValue(mApp.getService().getRepeatSongRangePointA());
        rangeSeekBar.setSelectedMaxValue(mApp.getService().getRepeatSongRangePointB());

        repeatPointA = mApp.getService().getRepeatSongRangePointA();
        repeatPointB = mApp.getService().getRepeatSongRangePointB();
    } else {
        repeatSongATime.setText("0:00");
        repeatSongBTime.setText(convertMillisToMinsSecs(currentSongDurationMillis));
        repeatPointA = 0;
        repeatPointB = currentSongDurationMillis;
    }

    rangeSeekBar.setOnRangeSeekBarChangeListener(new OnRangeSeekBarChangeListener<Integer>() {
        @Override
        public void onRangeSeekBarValuesChanged(RangeSeekBar<?> bar, Integer minValue, Integer maxValue) {
            repeatPointA = minValue * 1000;
            repeatPointB = maxValue * 1000;
            repeatSongATime.setText(convertMillisToMinsSecs(minValue * 1000));
            repeatSongBTime.setText(convertMillisToMinsSecs(maxValue * 1000));
        }

    });

    //Set the dialog title.
    builder.setTitle(R.string.a_b_repeat);
    builder.setView(view);
    builder.setNegativeButton(R.string.cancel, new OnClickListener() {

        @Override
        public void onClick(DialogInterface arg0, int arg1) {
            // TODO Auto-generated method stub

        }

    });

    builder.setPositiveButton(R.string.repeat, new OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            if ((currentSongDurationSecs - repeatPointB) < mApp.getCrossfadeDuration()) {
                //Remove the crossfade handler.
                mApp.getService().getHandler().removeCallbacks(mApp.getService().startCrossFadeRunnable);
                mApp.getService().getHandler().removeCallbacks(mApp.getService().crossFadeRunnable);
            }

            mApp.broadcastUpdateUICommand(new String[] { Common.UPDATE_PLAYBACK_CONTROLS },
                    new String[] { "" });
            mApp.getService().setRepeatSongRange(repeatPointA, repeatPointB);
            mApp.getService().setRepeatMode(Common.A_B_REPEAT);

        }

    });

    return builder.create();
}

From source file:com.jelly.music.player.Dialogs.ABRepeatDialog.java

@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {

    mContext = getActivity().getApplicationContext();
    mApp = (Common) mContext;/*from   w w w.  j  av  a 2  s .  c  o m*/

    receiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            initRepeatSongRangeDialog();

        }

    };

    sharedPreferences = getActivity().getSharedPreferences("com.jelly.music.player", Context.MODE_PRIVATE);
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    View view = getActivity().getLayoutInflater().inflate(R.layout.fragment_repeat_song_range_dialog, null);
    currentSongIndex = mApp.getService().getCurrentSongIndex();

    repeatSongATime = (TextView) view.findViewById(R.id.repeat_song_range_A_time);
    repeatSongBTime = (TextView) view.findViewById(R.id.repeat_song_range_B_time);

    currentSongDurationMillis = (int) mApp.getService().getCurrentMediaPlayer().getDuration();
    currentSongDurationSecs = (int) currentSongDurationMillis / 1000;

    //Remove the placeholder seekBar and replace it with the RangeSeekBar.
    seekBar = (SeekBar) view.findViewById(R.id.repeat_song_range_placeholder_seekbar);
    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) seekBar.getLayoutParams();
    viewGroup = (ViewGroup) seekBar.getParent();
    viewGroup.removeView(seekBar);

    rangeSeekBar = new RangeSeekBar<Integer>(0, currentSongDurationSecs, getActivity());
    rangeSeekBar.setLayoutParams(params);
    viewGroup.addView(rangeSeekBar);

    if (sharedPreferences.getInt(Common.REPEAT_MODE, Common.REPEAT_OFF) == Common.A_B_REPEAT) {
        repeatSongATime.setText(convertMillisToMinsSecs(mApp.getService().getRepeatSongRangePointA()));
        repeatSongBTime.setText(convertMillisToMinsSecs(mApp.getService().getRepeatSongRangePointB()));

        rangeSeekBar.setSelectedMinValue(mApp.getService().getRepeatSongRangePointA());
        rangeSeekBar.setSelectedMaxValue(mApp.getService().getRepeatSongRangePointB());

        repeatPointA = mApp.getService().getRepeatSongRangePointA();
        repeatPointB = mApp.getService().getRepeatSongRangePointB();
    } else {
        repeatSongATime.setText("0:00");
        repeatSongBTime.setText(convertMillisToMinsSecs(currentSongDurationMillis));
        repeatPointA = 0;
        repeatPointB = currentSongDurationMillis;
    }

    rangeSeekBar.setOnRangeSeekBarChangeListener(new OnRangeSeekBarChangeListener<Integer>() {
        @Override
        public void onRangeSeekBarValuesChanged(RangeSeekBar<?> bar, Integer minValue, Integer maxValue) {
            repeatPointA = minValue * 1000;
            repeatPointB = maxValue * 1000;
            repeatSongATime.setText(convertMillisToMinsSecs(minValue * 1000));
            repeatSongBTime.setText(convertMillisToMinsSecs(maxValue * 1000));
        }

    });

    //Set the dialog title.
    builder.setTitle(R.string.a_b_repeat);
    builder.setView(view);
    builder.setNegativeButton(R.string.cancel, new OnClickListener() {

        @Override
        public void onClick(DialogInterface arg0, int arg1) {
            // TODO Auto-generated method stub

        }

    });

    builder.setPositiveButton(R.string.repeat, new OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            if ((currentSongDurationSecs - repeatPointB) < mApp.getCrossfadeDuration()) {
                //Remove the crossfade handler.
                mApp.getService().getHandler().removeCallbacks(mApp.getService().startCrossFadeRunnable);
                mApp.getService().getHandler().removeCallbacks(mApp.getService().crossFadeRunnable);
            }

            mApp.broadcastUpdateUICommand(new String[] { Common.UPDATE_PLAYBACK_CONTROLS },
                    new String[] { "" });
            mApp.getService().setRepeatSongRange(repeatPointA, repeatPointB);
            mApp.getService().setRepeatMode(Common.A_B_REPEAT);

        }

    });

    return builder.create();
}

From source file:com.aniruddhc.acemusic.player.Dialogs.ABRepeatDialog.java

@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {

    mContext = getActivity().getApplicationContext();
    mApp = (Common) mContext;/*from ww  w .  j  a va2s.c om*/

    receiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            initRepeatSongRangeDialog();

        }

    };

    sharedPreferences = getActivity().getSharedPreferences("com.aniruddhc.acemusic.player",
            Context.MODE_PRIVATE);
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    View view = getActivity().getLayoutInflater().inflate(R.layout.fragment_repeat_song_range_dialog, null);
    currentSongIndex = mApp.getService().getCurrentSongIndex();

    repeatSongATime = (TextView) view.findViewById(R.id.repeat_song_range_A_time);
    repeatSongBTime = (TextView) view.findViewById(R.id.repeat_song_range_B_time);

    currentSongDurationMillis = (int) mApp.getService().getCurrentMediaPlayer().getDuration();
    currentSongDurationSecs = (int) currentSongDurationMillis / 1000;

    //Remove the placeholder seekBar and replace it with the RangeSeekBar.
    seekBar = (SeekBar) view.findViewById(R.id.repeat_song_range_placeholder_seekbar);
    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) seekBar.getLayoutParams();
    viewGroup = (ViewGroup) seekBar.getParent();
    viewGroup.removeView(seekBar);

    rangeSeekBar = new RangeSeekBar<Integer>(0, currentSongDurationSecs, getActivity());
    rangeSeekBar.setLayoutParams(params);
    viewGroup.addView(rangeSeekBar);

    if (sharedPreferences.getInt(Common.REPEAT_MODE, Common.REPEAT_OFF) == Common.A_B_REPEAT) {
        repeatSongATime.setText(convertMillisToMinsSecs(mApp.getService().getRepeatSongRangePointA()));
        repeatSongBTime.setText(convertMillisToMinsSecs(mApp.getService().getRepeatSongRangePointB()));

        rangeSeekBar.setSelectedMinValue(mApp.getService().getRepeatSongRangePointA());
        rangeSeekBar.setSelectedMaxValue(mApp.getService().getRepeatSongRangePointB());

        repeatPointA = mApp.getService().getRepeatSongRangePointA();
        repeatPointB = mApp.getService().getRepeatSongRangePointB();
    } else {
        repeatSongATime.setText("0:00");
        repeatSongBTime.setText(convertMillisToMinsSecs(currentSongDurationMillis));
        repeatPointA = 0;
        repeatPointB = currentSongDurationMillis;
    }

    rangeSeekBar.setOnRangeSeekBarChangeListener(new OnRangeSeekBarChangeListener<Integer>() {
        @Override
        public void onRangeSeekBarValuesChanged(RangeSeekBar<?> bar, Integer minValue, Integer maxValue) {
            repeatPointA = minValue * 1000;
            repeatPointB = maxValue * 1000;
            repeatSongATime.setText(convertMillisToMinsSecs(minValue * 1000));
            repeatSongBTime.setText(convertMillisToMinsSecs(maxValue * 1000));
        }

    });

    //Set the dialog title.
    builder.setTitle(R.string.a_b_repeat);
    builder.setView(view);
    builder.setNegativeButton(R.string.cancel, new OnClickListener() {

        @Override
        public void onClick(DialogInterface arg0, int arg1) {
            // TODO Auto-generated method stub

        }

    });

    builder.setPositiveButton(R.string.repeat, new OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            if ((currentSongDurationSecs - repeatPointB) < mApp.getCrossfadeDuration()) {
                //Remove the crossfade handler.
                mApp.getService().getHandler().removeCallbacks(mApp.getService().startCrossFadeRunnable);
                mApp.getService().getHandler().removeCallbacks(mApp.getService().crossFadeRunnable);
            }

            mApp.broadcastUpdateUICommand(new String[] { Common.UPDATE_PLAYBACK_CONTROLS },
                    new String[] { "" });
            mApp.getService().setRepeatSongRange(repeatPointA, repeatPointB);
            mApp.getService().setRepeatMode(Common.A_B_REPEAT);

        }

    });

    return builder.create();
}

From source file:com.andreadec.musicplayer.PodcastEpisodeDownloaderService.java

@Override
protected void onHandleIntent(Intent intent) {
    IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(STOP_DOWNLOAD_INTENT);
    BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
        @Override/*from ww w. jav  a 2  s. c o m*/
        public void onReceive(Context context, Intent intent) {
            if (intent.getAction().equals(STOP_DOWNLOAD_INTENT)) {
                downloadInProgress = false;
            }
        }
    };
    registerReceiver(broadcastReceiver, intentFilter);

    String type = intent.getStringExtra("type");
    String title = intent.getStringExtra("title");
    String idItem = intent.getStringExtra("idItem");
    String podcastsDirectory = intent.getStringExtra("podcastsDirectory");
    notificationBuilder.setContentTitle(getResources().getString(R.string.podcastDownloading, title));
    notificationBuilder.setContentText(getResources().getString(R.string.podcastDownloading, title));
    notificationManager.notify(Constants.NOTIFICATION_PODCAST_ITEM_DOWNLOAD_ONGOING,
            notificationBuilder.build());

    String filename;
    do {
        filename = podcastsDirectory + "/" + UUID.randomUUID().toString();
    } while (new File(filename).exists()); // To avoid accidentally override an already existing file
    Intent intentCompleted = new Intent("com.andreadec.musicplayer.podcastdownloadcompleted");

    HttpURLConnection httpConnection = null;

    try {
        if (type.equalsIgnoreCase("audio/mpeg") || type.equalsIgnoreCase("audio/.mp3"))
            filename += ".mp3";
        else if (type.equalsIgnoreCase("audio/ogg"))
            filename += ".ogg";
        else
            throw new Exception("Unsupported format");

        URL url = new URL(intent.getStringExtra("url"));
        httpConnection = (HttpURLConnection) url.openConnection();
        if (httpConnection.getResponseCode() != 200)
            throw new Exception("Failed to connect");
        length = httpConnection.getContentLength();
        lengthString = Utils.formatFileSize(length);
        input = httpConnection.getInputStream();
        output = new FileOutputStream(filename);

        byte[] buffer = new byte[1024];
        int read = 0;
        totalRead = 0;
        downloadInProgress = true;
        new NotificationThread().start();
        while ((read = input.read(buffer)) > 0) {
            if (!downloadInProgress) {
                input.close();
                throw new Exception();
            }
            output.write(buffer, 0, read);
            totalRead += read;
        }

        intentCompleted.putExtra("success", true);
        PodcastEpisode.setDownloadedFile(idItem, filename);

        output.flush();
        output.close();
    } catch (Exception e) {
        new File(filename).delete();
        PodcastEpisode.setDownloadCanceled(idItem);
        intentCompleted.putExtra("success", false);
        intentCompleted.putExtra("reason", e.getMessage());
        showErrorNotification(e.getMessage());
    } finally {
        try {
            httpConnection.disconnect();
        } catch (Exception e) {
        }
    }

    downloadInProgress = false;
    unregisterReceiver(broadcastReceiver);

    sendBroadcast(intentCompleted);
    notificationManager.cancel(Constants.NOTIFICATION_PODCAST_ITEM_DOWNLOAD_ONGOING);
}

From source file:com.comunidadesvirtualesonline.cvo_notificacines.Main.java

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

    if (estado1 == Servestado1) {

        Intent i = new Intent(this, com.comunidadesvirtualesonline.cvo_notificacines.Notificaciones.class);
        startActivity(i);/*from w  w w.ja va2 s  .  c o m*/

    } else if (estado2 == Servestado2) {

        Intent i = new Intent(this, com.comunidadesvirtualesonline.cvo_notificacines.inicio.class);
        startActivity(i);

    }

    mRegistrationProgressBar = (ProgressBar) findViewById(R.id.registrationProgressBar);
    mRegistrationBroadcastReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            mRegistrationProgressBar.setVisibility(ProgressBar.GONE);
            SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
            boolean sentToken = sharedPreferences.getBoolean(QuickstartPreferences.SENT_TOKEN_TO_SERVER, false);
            if (sentToken) {
                mInformationTextView.setText(getString(R.string.gcm_send_message));

            } else {
                mInformationTextView.setText(getString(R.string.token_error_message));
            }
        }
    };
    mInformationTextView = (TextView) findViewById(R.id.informationTextView);

    if (checkPlayServices()) {
        // Start IntentService to register this application with GCM.
        Intent intent = new Intent(this, QuickstartPreferences.RegistrationIntentService.class);
        startService(intent);
    }
}

From source file:com.binoy.vibhinna.VibhinnaFragment.java

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    setRetainInstance(true);//  w  w w. j a va2 s. c  o m
    setEmptyText(getString(R.string.no_vfs_found));
    registerForContextMenu(getListView());
    if (!Constants.BINARY_FOLDER.exists() || Constants.BINARY_FOLDER.list().length < 4) {
        Constants.BINARY_FOLDER.mkdirs();
        AssetsManager assetsManager = new AssetsManager(getActivity().getApplicationContext());
        assetsManager.copyAssets();
    }
    mLocalBroadcastManager = LocalBroadcastManager.getInstance(getActivity());
    mBroadcastReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (intent.getAction().equals(VibhinnaService.ACTION_VFS_LIST_UPDATED)) {
                restartLoading();
            }
        }
    };
    resolver = getActivity().getContentResolver();
    setHasOptionsMenu(true);
    startLoading();
}

From source file:net.atlaslearning.cordova.OpenIn.OpenIn.java

/**
 * Executes the request./*from  ww w  .java 2 s.co  m*/
 *
 * @param action           The action to execute.
 * @param args             JSONArry of arguments for the plugin.
 * @param callbackContext    The callback context used when calling back into JavaScript.
 * @return                 True if the action was valid, false if not.
 */
public boolean execute(String action, JSONArray args, CallbackContext callbackContext) {
    if (action.equals("start")) {
        if (this.batteryCallbackContext != null) {
            callbackContext.error("Battery listener already running.");
            return true;
        }
        this.batteryCallbackContext = callbackContext;

        // We need to listen to power events to update battery status
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
        if (this.receiver == null) {
            this.receiver = new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    updateBatteryInfo(intent);
                }
            };
            cordova.getActivity().registerReceiver(this.receiver, intentFilter);
        }

        // Don't return any result now, since status results will be sent when events come in from broadcast receiver
        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
        pluginResult.setKeepCallback(true);
        callbackContext.sendPluginResult(pluginResult);
        return true;
    }

    else if (action.equals("stop")) {
        removeBatteryListener();
        this.sendUpdate(new JSONObject(), false); // release status callback in JS side
        this.batteryCallbackContext = null;
        callbackContext.success();
        return true;
    }

    return false;
}