Example usage for android.content Context POWER

Introduction

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

Prototype

String POWER_SERVICE

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

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Document

Use with #getSystemService(String) to retrieve a android.os.PowerManager for controlling power management, including "wake locks," which let you keep the device on while you're running long tasks.

Usage

From source file:com.vurtex.wakeup.activity.MainActivity.java

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

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        String packageName = getPackageName();
        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
        if (!pm.isIgnoringBatteryOptimizations(packageName)) {
            Intent intent = new Intent();
            intent.setAction(android.provider.Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
            intent.setData(Uri.parse("package:" + packageName));
            startActivity(intent);//from  w  w w . j  av  a 2s.com
        }
    }

    //make sure activity will not in background if user is logged into another device or removed

    setContentView(R.layout.activity_main);

    initView();

    conversationListFragment = new Item1Fragment();
    contactListFragment = new Item1Fragment();
    Fragment settingFragment = new Item1Fragment();
    fragments = new Fragment[] { conversationListFragment, contactListFragment, settingFragment };

    getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, conversationListFragment)
            .add(R.id.fragment_container, contactListFragment).hide(contactListFragment)
            .show(conversationListFragment).commit();

    //register broadcast receiver to receive the change

}

From source file:com.android.mms.quickmessage.QuickMessageWear.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mContext = this;
    Intent i = getIntent();/* www . j  a  v  a 2  s  .c om*/
    parseIntent(i);
    //Get partial Wakelock so that we can send the message even if phone is locked
    final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
    mWakeLock.acquire();
}

From source file:com.grarak.kerneladiutor.utils.Utils.java

public static boolean isScreenOn(Context context) {
    PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
        return powerManager.isInteractive();
    }/*from ww  w  .  j a v  a 2  s .  c  o  m*/
    return powerManager.isScreenOn();
}

From source file:us.dustinj.locationstore.io.LocationExporter.java

public LocationExporter(Context context, HttpStatusResponseHandler responseReceiver) {
    m_context = context;/*from   ww  w  . ja  v a2 s .  c o m*/
    m_responseReceiver = responseReceiver;
    m_appPrefs = AppSettings.GetSettings(context);

    PowerManager pm = (PowerManager) m_context.getSystemService(Context.POWER_SERVICE);
    m_wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, this.getClass().getName());
}

From source file:eu.faircode.netguard.DownloadTask.java

@Override
protected void onPreExecute() {
    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, getClass().getName());
    wakeLock.acquire();//from   www  .j  av  a  2s.  c  o m
    showNotification(0);
    Toast.makeText(context, context.getString(R.string.msg_downloading, url.toString()), Toast.LENGTH_SHORT)
            .show();
}

From source file:net.kayateia.lifestream.UploadService.java

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.i(LOG_TAG, "UploadService kicked");

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    final PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "");

    // See CaptureService for comments on this wake lock arrangement.
    boolean needsRelease = true;
    try {//from w ww  .j a  v a 2  s. co  m
        // If we don't release it within the timeout somehow, release it anyway.
        // This may interrupt a long backlog upload or something, but this
        // is really about as long as we can reasonably expect to take.
        Log.v(LOG_TAG, "Acquire wakelock");
        if (wl != null)
            wl.acquire(WAKELOCK_TIMEOUT);
        if (!Network.IsActive(this)) {
            Log.i(LOG_TAG, "No network active, giving up");
            return START_NOT_STICKY;
        }

        // Do the check in a thread.
        new AsyncTask<UploadService, Void, Void>() {
            @Override
            protected Void doInBackground(UploadService... svc) {
                svc[0].checkUploads();
                return null;
            }

            @Override
            protected void onPostExecute(Void foo) {
                Log.v(LOG_TAG, "Release wakelock by worker");
                if (wl != null && wl.isHeld())
                    wl.release();
            }
        }.execute(this);
        needsRelease = false;
    } finally {
        if (needsRelease) {
            Log.v(LOG_TAG, "Release wakelock by default");
            if (wl != null && wl.isHeld())
                wl.release();
        }
    }

    // There's no need to worry about this.. we'll get re-kicked by the alarm.
    return START_NOT_STICKY;
}

From source file:com.rks.musicx.services.MediaButtonReceiver.java

private static void acquireWakeLockAndSendMessage(Context context, Message msg, long delay) {
    if (mWakeLock == null) {
        Context appContext = context.getApplicationContext();
        PowerManager pm = (PowerManager) appContext.getSystemService(Context.POWER_SERVICE);
        mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Musicx headset button");
        mWakeLock.setReferenceCounted(false);
    }//  w  ww  .  j  av a2 s .  c  o  m
    // Make sure we don't indefinitely hold the wake lock under any circumstances
    mWakeLock.acquire(10000);
    mHandler.sendMessageDelayed(msg, delay);
}

From source file:com.twofours.surespot.services.SurespotGcmListenerService.java

@Override
public void onCreate() {
    super.onCreate();
    mPm = (PowerManager) getSystemService(Context.POWER_SERVICE);

    mBuilder = new NotificationCompat.Builder(this);
    mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
}

From source file:org.ntpsync.service.NtpSyncService.java

private static void getLocks(Context context) {
    // initialise the lock
    wakeLock = ((PowerManager) context.getSystemService(Context.POWER_SERVICE))
            .newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "NtpSyncWakeLock");
}

From source file:net.kayateia.lifestream.StreamService.java

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.v(LOG_TAG, "Kicked");

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    final PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "");

    // See CaptureService for comments on this wake lock arrangement.
    boolean needsRelease = true;
    try {/*from  w w  w  .  j  a va 2  s.  c  o  m*/
        // If we don't release it within the timeout somehow, release it anyway.
        // This may interrupt a long backlog download or something, but this
        // is really about as long as we can reasonably expect to take.
        Log.v(LOG_TAG, "Acquire wakelock");
        if (wl != null)
            wl.acquire(WAKELOCK_TIMEOUT);

        if (!Network.IsActive(this)) {
            Log.i(LOG_TAG, "No network active, giving up");
            return START_NOT_STICKY;
        }

        // Do the check in a thread.
        new AsyncTask<StreamService, Void, Void>() {
            @Override
            protected Void doInBackground(StreamService... svc) {
                svc[0].checkNewImages();
                return null;
            }

            @Override
            protected void onPostExecute(Void foo) {
                Log.v(LOG_TAG, "Release wakelock by worker");
                if (wl != null && wl.isHeld())
                    wl.release();
            }
        }.execute(this);
        needsRelease = false;
    } finally {
        if (needsRelease) {
            Log.v(LOG_TAG, "Release wakelock by default");
            if (wl != null && wl.isHeld())
                wl.release();
        }
    }

    // There's no need to worry about this.. we'll get re-kicked by the alarm.
    return START_NOT_STICKY;
}

Example usage for android.content Context POWER_SERVICE

Introduction

Prototype

Document

Usage