Example usage for android.content Context POWER_SERVICE

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.

Click Source Link

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.mybitcoin.wallet.service.BlockchainServiceImpl.java

@Override
public void onCreate() {
    serviceCreatedAt = System.currentTimeMillis();
    //      log.debug(".onCreate()");

    super.onCreate();

    nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

    final String lockName = getPackageName() + " blockchain sync";

    final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, lockName);

    application = (WalletApplication) getApplication();
    config = application.getConfiguration();
    final Wallet wallet = application.getWallet();

    bestChainHeightEver = config.getBestChainHeightEver();

    peerConnectivityListener = new PeerConnectivityListener();

    sendBroadcastPeerState(0);/* w  w w.  j ava  2  s.  c om*/

    final IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
    intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_LOW);
    intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK);
    registerReceiver(connectivityReceiver, intentFilter);

    blockChainFile = new File(getDir("blockstore", Context.MODE_PRIVATE), Constants.BLOCKCHAIN_FILENAME);
    final boolean blockChainFileExists = blockChainFile.exists();

    if (!blockChainFileExists) {
        log.info("blockchain does not exist, resetting wallet");

        wallet.clearTransactions(0);
        wallet.setLastBlockSeenHeight(-1); // magic value
        wallet.setLastBlockSeenHash(null);
    }

    try {
        blockStore = new SPVBlockStore(Constants.NETWORK_PARAMETERS, blockChainFile);
        blockStore.getChainHead(); // detect corruptions as early as possible

        final long earliestKeyCreationTime = wallet.getEarliestKeyCreationTime();

        if (!blockChainFileExists && earliestKeyCreationTime > 0) {
            try {
                final InputStream checkpointsInputStream = getAssets().open(Constants.CHECKPOINTS_FILENAME);
                CheckpointManager.checkpoint(Constants.NETWORK_PARAMETERS, checkpointsInputStream, blockStore,
                        earliestKeyCreationTime);
            } catch (final IOException x) {
                log.error("problem reading checkpoints, continuing without", x);
            }
        }
    } catch (final BlockStoreException x) {
        blockChainFile.delete();

        final String msg = "blockstore cannot be created";
        log.error(msg, x);
        throw new Error(msg, x);
    }

    log.info("using " + blockStore.getClass().getName());

    try {
        blockChain = new BlockChain(Constants.NETWORK_PARAMETERS, wallet, blockStore);
    } catch (final BlockStoreException x) {
        throw new Error("blockchain cannot be created", x);
    }

    application.getWallet().addEventListener(walletEventListener, Threading.SAME_THREAD);

    registerReceiver(tickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));

    maybeRotateKeys();
}

---

From source file:crea.wallet.lite.service.CreativeCoinService.java

@Override
public void onCreate() {
    serviceCreatedAt = System.currentTimeMillis();
    super.onCreate();

    boolean startService = WalletHelper.INSTANCE != null;

    transactionsReceived = new HashMap<>();
    Log.e(TAG, "START_SERVICE=" + startService);
    if (startService) {
        nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        WalletHelper.INSTANCE.autoSave(10);
        final String lockName = getPackageName() + " blockchain sync";

        final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, lockName);
        application = WalletApplication.INSTANCE;

        setWalletListener();//from w  w w . ja  v a2  s.c o  m

        peerConnectivityListener = new PeerConnectivityListener();

        blockChainFile = Constants.WALLET.BLOCKCHAIN_FILE;
        final boolean blockChainFileExists = blockChainFile.exists();

        if (!blockChainFileExists) {
            new File(Constants.WALLET.WALLET_PATH).mkdirs();
        }
        try {
            blockStore = new SPVBlockStore(NETWORK_PARAMETERS, blockChainFile);
            blockStore.getChainHead(); // detect corruptions as early as possible

            final long earliestKeyCreationTime = WalletHelper.INSTANCE.getKeyCreationTime();

            Log.e(TAG, "CREATION_TIME=" + earliestKeyCreationTime + " BLOCKCHAIN_FILE=" + blockChainFileExists);
            if (!blockChainFileExists && earliestKeyCreationTime > 0) {
                try {
                    Configuration.getInstance().setDeletingBlockchain(true);
                    final long start = System.currentTimeMillis();
                    final InputStream checkpointsInputStream = getAssets()
                            .open("bitcoin/" + Constants.WALLET.CHECKPOINTS_FILENAME);
                    CheckpointManager.checkpoint(NETWORK_PARAMETERS, checkpointsInputStream, blockStore,
                            earliestKeyCreationTime);
                    Log.e(TAG, String.format("checkpoints loaded from '%1$s', took %2$dms",
                            Constants.WALLET.CHECKPOINTS_FILENAME, System.currentTimeMillis() - start));
                } catch (final IOException x) {
                    Log.e(TAG, "problem reading checkpoints, continuing without", x);
                }
            }
        } catch (final BlockStoreException x) {
            blockChainFile.delete();

            final String msg = "blockstore cannot be created";
            Log.e(TAG, msg, x);
        }

        try {
            blockChain = new BlockChain(NETWORK_PARAMETERS, WalletHelper.INSTANCE.getWallet(), blockStore);
        } catch (final BlockStoreException x) {
            throw new Error("blockchain cannot be created", x);
        }

        final IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
        intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_LOW);
        intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK);
        registerReceiver(connectivityReceiver, intentFilter); // implicitly start PeerGroup

        registerReceiver(tickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));
    } else {
        Log.e(TAG, "Incomplete conditions for start service");
        stopSelf();
    }
}

---

From source file:im.vector.notifications.NotificationUtils.java

/**
 * Add the notification sound.//  w  w w.j a v a  2  s .c o  m
 *
 * @param context      the context
 * @param builder      the notification builder
 * @param isBackground true if the notification is a background one
 * @param isBing       true if the notification should play sound
 */
@SuppressLint("NewApi")
private static void manageNotificationSound(Context context, NotificationCompat.Builder builder,
        boolean isBackground, boolean isBing) {
    @ColorInt
    int highlightColor = ContextCompat.getColor(context, R.color.vector_fuchsia_color);
    int defaultColor = Color.TRANSPARENT;

    if (isBackground) {
        builder.setPriority(NotificationCompat.PRIORITY_DEFAULT);
        builder.setColor(defaultColor);
    } else if (isBing) {
        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
        builder.setColor(highlightColor);
    } else {
        builder.setPriority(NotificationCompat.PRIORITY_DEFAULT);
        builder.setColor(Color.TRANSPARENT);
    }

    if (!isBackground) {
        builder.setDefaults(Notification.DEFAULT_LIGHTS);

        if (isBing && (null != PreferencesManager.getNotificationRingTone(context))) {
            builder.setSound(PreferencesManager.getNotificationRingTone(context));

            if (Build.VERSION.SDK_INT >= 26) {
                builder.setChannelId(NOISY_NOTIFICATION_CHANNEL_ID);
            }
        }

        // turn the screen on for 3 seconds
        if (Matrix.getInstance(VectorApp.getInstance()).getSharedGCMRegistrationManager().isScreenTurnedOn()) {
            PowerManager pm = (PowerManager) VectorApp.getInstance().getSystemService(Context.POWER_SERVICE);
            PowerManager.WakeLock wl = pm.newWakeLock(
                    PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP,
                    "manageNotificationSound");
            wl.acquire(3000);
            wl.release();
        }
    }
}

---

From source file:com.master.metehan.filtereagle.Util.java

public static String getGeneralInfo(Context context) {
    StringBuilder sb = new StringBuilder();
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

    sb.append(String.format("Interactive %B\r\n", isInteractive(context)));
    sb.append(String.format("Connected %B\r\n", isConnected(context)));
    sb.append(String.format("WiFi %B\r\n", isWifiActive(context)));
    sb.append(String.format("Metered %B\r\n", isMeteredNetwork(context)));
    sb.append(String.format("Roaming %B\r\n", isRoaming(context)));

    sb.append(String.format("Type %s\r\n", getPhoneTypeName(tm.getPhoneType())));

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1 || !hasPhoneStatePermission(context)) {
        if (tm.getSimState() == TelephonyManager.SIM_STATE_READY)
            sb.append(String.format("SIM %s/%s/%s\r\n", tm.getSimCountryIso(), tm.getSimOperatorName(),
                    tm.getSimOperator()));
        if (tm.getNetworkType() != TelephonyManager.NETWORK_TYPE_UNKNOWN)
            sb.append(String.format("Network %s/%s/%s\r\n", tm.getNetworkCountryIso(),
                    tm.getNetworkOperatorName(), tm.getNetworkOperator()));
    }//ww w.  j  av  a 2 s  .  c  om

    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
        sb.append(String.format("Power saving %B\r\n", pm.isPowerSaveMode()));
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
        sb.append(String.format("Battery optimizing %B\r\n",
                !pm.isIgnoringBatteryOptimizations(context.getPackageName())));

    if (sb.length() > 2)
        sb.setLength(sb.length() - 2);

    return sb.toString();
}

---

From source file:com.blu3f1re.reddwallet.service.BlockchainServiceImpl.java

@Override
public void onCreate() {
    serviceCreatedAt = System.currentTimeMillis();
    log.debug(".onCreate()");

    super.onCreate();

    nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

    final String lockName = getPackageName() + " blockchain sync";

    final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, lockName);

    application = (WalletApplication) getApplication();
    config = application.getConfiguration();
    final Wallet wallet = application.getWallet();

    bestChainHeightEver = config.getBestChainHeightEver();

    peerConnectivityListener = new PeerConnectivityListener();

    sendBroadcastPeerState(0);//  ww w  . j a va  2  s. c  o  m

    final IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
    intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_LOW);
    intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK);
    registerReceiver(connectivityReceiver, intentFilter);

    blockChainFile = new File(getDir("blockstore", Context.MODE_PRIVATE), Constants.BLOCKCHAIN_FILENAME);
    final boolean blockChainFileExists = blockChainFile.exists();

    if (!blockChainFileExists) {
        log.info("blockchain does not exist, resetting wallet");

        wallet.clearTransactions(0);
        wallet.setLastBlockSeenHeight(-1); // magic value
        wallet.setLastBlockSeenHash(null);
    }

    try {
        blockStore = new SPVBlockStore(Constants.NETWORK_PARAMETERS, blockChainFile);
        blockStore.getChainHead(); // detect corruptions as early as possible

        final long earliestKeyCreationTime = wallet.getEarliestKeyCreationTime();

        if (!blockChainFileExists && earliestKeyCreationTime > 0) {
            try {
                final InputStream checkpointsInputStream = getAssets().open(Constants.CHECKPOINTS_FILENAME);
                CheckpointManager.checkpoint(Constants.NETWORK_PARAMETERS, checkpointsInputStream, blockStore,
                        earliestKeyCreationTime);
            } catch (final IOException x) {
                log.error("problem reading checkpoints, continuing without", x);
            }
        }
    } catch (final BlockStoreException x) {
        blockChainFile.delete();

        final String msg = "blockstore cannot be created";
        log.error(msg, x);
        throw new Error(msg, x);
    }

    log.info("using " + blockStore.getClass().getName());

    try {
        blockChain = new BlockChain(Constants.NETWORK_PARAMETERS, wallet, blockStore);
    } catch (final BlockStoreException x) {
        throw new Error("blockchain cannot be created", x);
    }

    application.getWallet().addEventListener(walletEventListener, Threading.SAME_THREAD);

    registerReceiver(tickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));

    maybeRotateKeys();
}

---

From source file:com.kncwallet.wallet.service.BlockchainServiceImpl.java

@Override
public void onCreate() {
    serviceCreatedAt = System.currentTimeMillis();
    log.debug(".onCreate()");

    super.onCreate();

    nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

    final String lockName = getPackageName() + " blockchain sync";

    final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, lockName);

    application = (WalletApplication) getApplication();
    prefs = PreferenceManager.getDefaultSharedPreferences(this);
    final Wallet wallet = application.getWallet();

    bestChainHeightEver = prefs.getInt(Constants.PREFS_KEY_BEST_CHAIN_HEIGHT_EVER, 0);

    peerConnectivityListener = new PeerConnectivityListener();

    sendBroadcastPeerState(0);/*from   www. j ava 2 s.co  m*/

    final IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
    intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_LOW);
    intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK);
    registerReceiver(connectivityReceiver, intentFilter);

    blockChainFile = new File(getDir("blockstore", Context.MODE_PRIVATE), Constants.BLOCKCHAIN_FILENAME);
    final boolean blockChainFileExists = blockChainFile.exists();

    if (!blockChainFileExists) {
        log.info("blockchain does not exist, resetting wallet");

        wallet.clearTransactions(0);
        wallet.setLastBlockSeenHeight(-1); // magic value
        wallet.setLastBlockSeenHash(null);
    }

    try {
        blockStore = new SPVBlockStore(Constants.NETWORK_PARAMETERS, blockChainFile);
        blockStore.getChainHead(); // detect corruptions as early as possible

        final long earliestKeyCreationTime = wallet.getEarliestKeyCreationTime();

        if (!blockChainFileExists && earliestKeyCreationTime > 0) {
            try {
                final InputStream checkpointsInputStream = getAssets().open(Constants.CHECKPOINTS_FILENAME);
                CheckpointManager.checkpoint(Constants.NETWORK_PARAMETERS, checkpointsInputStream, blockStore,
                        earliestKeyCreationTime);
            } catch (final IOException x) {
                log.error("problem reading checkpoints, continuing without", x);
            }
        }
    } catch (final BlockStoreException x) {
        blockChainFile.delete();

        final String msg = "blockstore cannot be created";
        log.error(msg, x);
        throw new Error(msg, x);
    }

    log.info("using " + blockStore.getClass().getName());

    try {
        blockChain = new BlockChain(Constants.NETWORK_PARAMETERS, wallet, blockStore);
    } catch (final BlockStoreException x) {
        throw new Error("blockchain cannot be created", x);
    }

    application.getWallet().addEventListener(walletEventListener);

    registerReceiver(tickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));

    maybeRotateKeys();
}

---

From source file:uk.co.armedpineapple.cth.SDLActivity.java

protected void onResume() {
    super.onResume();
    Log.d(LOG_TAG, "onResume()");

    if (app.configuration != null && app.configuration.getKeepScreenOn()) {
        Log.d(LOG_TAG, "Getting wakelock");
        PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
        wake = powerManager.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "Keep Screen On Wakelock");
        wake.acquire();//from   www.java  2 s  .co  m
    }

    if (mDrawerLayout != null) {
        mDrawerLayout.closeDrawers();
    }

}

---

From source file:com.wheelphone.remotemini.WheelphoneRemoteMini.java

public void onCreate(Bundle savedInstanceState) {
    if (debugUsbComm) {
        logString = TAG + ": onCreate";
        Log.d(TAG, logString);/*  w w w  .j av  a 2  s  . com*/
        appendLog("debugUsbComm.txt", logString, false);
    }

    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);

    camera = (SurfaceView) findViewById(R.id.smallcameraview);
    context = this.getApplicationContext();
    line1 = (TextView) findViewById(R.id.line1);
    line2 = (TextView) findViewById(R.id.line2);
    version = (TextView) findViewById(R.id.version);
    signWifi = (TextView) findViewById(R.id.advice);
    signStreaming = (TextView) findViewById(R.id.streaming);
    signInformation = (LinearLayout) findViewById(R.id.information);
    pulseAnimation = AnimationUtils.loadAnimation(this, R.anim.pulse);

    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);

    settings.registerOnSharedPreferenceChangeListener(this);

    camera.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    holder = camera.getHolder();

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "com.wheelphone.remotemini.wakelock");

    httpServer = new CustomHttpServer(8080, this.getApplicationContext(), handler);

    soundPool.setOnLoadCompleteListener(new OnLoadCompleteListener() {
        public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
            soundPool.play(sampleId, 0.99f, 0.99f, 1, 0, 1);
        }
    });

    timerImg = new Timer();

    intent = new Intent(context, FrontImageActivity.class);
    intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    //startActivity(intent);        

    // Query the QCAR initialization flags:
    mQCARFlags = getInitializationFlags();

    // Update the application status to start initializing application
    updateApplicationStatus(APPSTATUS_INIT_APP);

    Display display = getWindowManager().getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);
    updateRendering(size.x, size.y);

    btnStart = (Button) findViewById(R.id.btnStart);

    //Make sure that the app stays open:
    getWindow().addFlags(
            WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
                    | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);

    wheelphone = new WheelphoneRobot(getApplicationContext(), getIntent());
    wheelphone.enableSpeedControl();
    wheelphone.setWheelPhoneRobotListener(this);

}

---

From source file:org.mariotaku.harmony.MusicPlaybackService.java

@Override
public void onCreate() {
    super.onCreate();
    // Needs to be done in this thread, since otherwise
    // ApplicationContext.getPowerManager() crashes.
    mResources = getResources();/*w  w  w . j  a  v a 2  s . c  om*/
    mPlayer = new MultiPlayer(this);
    mResolver = getContentResolver();
    mPlayer.setHandler(mMediaplayerHandler);

    mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);

    mAudioManager.registerMediaButtonEventReceiver(
            new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName()));

    mPreferences = new PreferencesEditor(this);

    mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

    mCardId = MusicUtils.getCardId(this);

    registerExternalStorageListener();
    registerA2dpServiceListener();

    reloadQueue();

    IntentFilter commandFilter = new IntentFilter();
    commandFilter.addAction(SERVICECMD);
    commandFilter.addAction(TOGGLEPAUSE_ACTION);
    commandFilter.addAction(PAUSE_ACTION);
    commandFilter.addAction(NEXT_ACTION);
    commandFilter.addAction(PREVIOUS_ACTION);
    commandFilter.addAction(CYCLEREPEAT_ACTION);
    commandFilter.addAction(TOGGLESHUFFLE_ACTION);
    commandFilter.addAction(BROADCAST_PLAYSTATUS_REQUEST);
    registerReceiver(mIntentReceiver, commandFilter);

    registerReceiver(mExternalAudioDeviceStatusReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, this.getClass().getName());
    mWakeLock.setReferenceCounted(false);

    // If the service was idle, but got killed before it stopped itself, the
    // system will relaunch it. Make sure it gets stopped again in that
    // case.
    Message msg = mDelayedStopHandler.obtainMessage();
    mDelayedStopHandler.sendMessageDelayed(msg, IDLE_DELAY);
}

---

From source file:org.metawatch.manager.Monitors.java

public static void updateWeatherData(final Context context) {
    Thread thread = new Thread("WeatherUpdater") {
        @Override//from w  w w.  j a  v a2s.co m
        public void run() {
            PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
            PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Weather");
            wl.acquire();

            switch (Preferences.weatherProvider) {
            case WeatherProvider.GOOGLE:
                updateWeatherDataGoogle(context);
                break;

            case WeatherProvider.WUNDERGROUND:
                updateWeatherDataWunderground(context);
                break;
            }

            wl.release();
        }
    };
    thread.start();
}

---

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