Java Code Examples for android.content.Intent#ACTION_BATTERY_CHANGED

public void onCreate() {
    BroadcastReceiver batteryReceiver = new BroadcastReceiver() {
        int scale = -1;
        int level = -1;
        int voltage = -1;
        int temp = -1;

        @Override
        public void onReceive(Context context, Intent intent) {
            level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
            scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
            temp = intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, -1);
            voltage = intent.getIntExtra(BatteryManager.EXTRA_VOLTAGE, -1);
            Log.e("BatteryManager", "level is " + level + "/" + scale + ", temp is " + temp + ", voltage is " + voltage);//NON-NLS
        }
    };
    IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    registerReceiver(batteryReceiver, filter);
}
 

@Override public void onReceive(Context context, Intent intent) {
    switch (intent.getAction()) {
        case ConnectivityManager.CONNECTIVITY_ACTION: {
            updateConnectivityState(intent);
        } break;
        case Intent.ACTION_BATTERY_CHANGED: {
            synchronized (DeviceIdleController.this) {
                int plugged = intent.getIntExtra("plugged", 0);
                updateChargingLocked(plugged != 0);
            }
        } break;
        case Intent.ACTION_PACKAGE_REMOVED: {
            if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) {
                Uri data = intent.getData();
                String ssp;
                if (data != null && (ssp = data.getSchemeSpecificPart()) != null) {
                    removePowerSaveWhitelistAppInternal(ssp);
                }
            }
        } break;
    }
}
 

private String getBatteryPercentage()
{
    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = registerReceiver(null, ifilter);

    int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

    int status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
    int chargePlug = batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
    boolean isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING ||
            status == BatteryManager.BATTERY_STATUS_FULL ||
            chargePlug == BatteryManager.BATTERY_PLUGGED_USB ||
            chargePlug == BatteryManager.BATTERY_PLUGGED_AC;

    String s = "";
    if(isCharging)
        s = "c ";

    return s + (int)(level / (float)scale * 100) + "%";
}
 

public static int getWearBatteryLevel(Context context) {
    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);//from BgSendQueue
    Intent batteryStatus = context.registerReceiver(null, ifilter);
    int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
    if (level == -1 || scale == -1) {
        return 50;
    }
    else
        return (int) (((float) level / (float) scale) * 100.0f);
}
 

public float getBatteryPercent() {
  IntentFilter intentFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
  Intent batteryStatus = context.registerReceiver(null, intentFilter);
  if (batteryStatus == null) {
    return 0;
  }
  int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
  int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, 100);
  return level * 100f / scale;
}
 

public static void create(Context context) {
    if (sInstance == null) {
        sInstance = LazyHolder.INSTANCE;
        ActivityStatus.registerStateListener(sInstance);
        IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent batteryStatusIntent = context.registerReceiver(null, ifilter);
        onBatteryChargingChanged(batteryStatusIntent);
    }
}
 

private void sendBatteryChangedIntentLocked() {
    //  Pack up the values and broadcast them to everyone
    final Intent intent = new Intent(Intent.ACTION_BATTERY_CHANGED);
    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
            | Intent.FLAG_RECEIVER_REPLACE_PENDING);

    int icon = getIconLocked(mHealthInfo.batteryLevel);

    intent.putExtra(BatteryManager.EXTRA_SEQUENCE, mSequence);
    intent.putExtra(BatteryManager.EXTRA_STATUS, mHealthInfo.batteryStatus);
    intent.putExtra(BatteryManager.EXTRA_HEALTH, mHealthInfo.batteryHealth);
    intent.putExtra(BatteryManager.EXTRA_PRESENT, mHealthInfo.batteryPresent);
    intent.putExtra(BatteryManager.EXTRA_LEVEL, mHealthInfo.batteryLevel);
    intent.putExtra(BatteryManager.EXTRA_BATTERY_LOW, mSentLowBatteryBroadcast);
    intent.putExtra(BatteryManager.EXTRA_SCALE, BATTERY_SCALE);
    intent.putExtra(BatteryManager.EXTRA_ICON_SMALL, icon);
    intent.putExtra(BatteryManager.EXTRA_PLUGGED, mPlugType);
    intent.putExtra(BatteryManager.EXTRA_VOLTAGE, mHealthInfo.batteryVoltage);
    intent.putExtra(BatteryManager.EXTRA_TEMPERATURE, mHealthInfo.batteryTemperature);
    intent.putExtra(BatteryManager.EXTRA_TECHNOLOGY, mHealthInfo.batteryTechnology);
    intent.putExtra(BatteryManager.EXTRA_INVALID_CHARGER, mInvalidCharger);
    intent.putExtra(BatteryManager.EXTRA_MAX_CHARGING_CURRENT, mHealthInfo.maxChargingCurrent);
    intent.putExtra(BatteryManager.EXTRA_MAX_CHARGING_VOLTAGE, mHealthInfo.maxChargingVoltage);
    intent.putExtra(BatteryManager.EXTRA_CHARGE_COUNTER, mHealthInfo.batteryChargeCounter);
    if (DEBUG) {
        Slog.d(TAG, "Sending ACTION_BATTERY_CHANGED. scale:" + BATTERY_SCALE
                + ", info:" + mHealthInfo.toString());
    }

    mHandler.post(() -> ActivityManager.broadcastStickyIntent(intent, UserHandle.USER_ALL));
}
 

public void create(int resId) {
    View.inflate(getContext(), resId, this);

    findViewById(R.id.player_back_zone).setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mListener.onBackBtnClicked();
        }
    });

    IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    getContext().registerReceiver(mBatteryReceiver, filter);

    updateSystemTime(false);
}
 

/** Returns the current device conditions. May be overridden for testing. */
protected DeviceConditions getDeviceConditionsImpl(Context context) {
    IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    // Note this is a sticky intent, so we aren't really registering a receiver, just getting
    // the sticky intent.  That means that we don't need to unregister the filter later.
    Intent batteryStatus = context.registerReceiver(null, filter);
    if (batteryStatus == null) return null;

    // Get the connection type from chromium's internal object.
    int connectionType = NetworkChangeNotifier.getInstance().getCurrentConnectionType();

    // Sometimes the NetworkConnectionNotifier lags the actual connection type, especially when
    // the GCM NM wakes us from doze state.  If we are really connected, report the connection
    // type from android.
    if (connectionType == ConnectionType.CONNECTION_NONE) {
        // Get the connection type from android in case chromium's type is not yet set.
        ConnectivityManager cm =
                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        boolean isConnected = activeNetwork != null && activeNetwork.isConnectedOrConnecting();
        if (isConnected) {
            connectionType = convertAndroidNetworkTypeToConnectionType(activeNetwork.getType());
        }
    }

    return new DeviceConditions(
            isPowerConnected(batteryStatus), batteryPercentage(batteryStatus), connectionType);
}
 

/**
 * https://developer.android.com/training/monitoring-device-state/battery-monitoring.html
 */
public static int getBatteryState(Context context) {
  IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
  Intent batteryStatus = context.registerReceiver(null, ifilter);
  if (batteryStatus == null) {
    return BatteryManager.BATTERY_STATUS_UNKNOWN;
  }
  return batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
}
 

@Override
public void start() {
    if(!isRegistered) {
        isRegistered = true;
        IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        application.registerReceiver(batteryReceiver, filter);

        if(informationPlugin != null) {
            CmdArg cmd = new CmdArg(0, "Registered Battery.");
            informationPlugin.sendReplyCommand(PluginService.INFORMATION, cmd);
        }
    }
}
 

/** Creates a new BatteryState using data from the given Context. */
public static BatteryState get(Context context) {
  boolean powerConnected = false;
  Float level = null;

  final IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
  final Intent batteryStatusIntent = context.registerReceiver(null, ifilter);
  if (batteryStatusIntent != null) {
    powerConnected = isPowerConnected(batteryStatusIntent);
    level = getLevel(batteryStatusIntent);
  }

  return new BatteryState(level, powerConnected);
}
 

/**
 * Get the percentage of battery charge.
 * @return the battery charge in % as a float value.
 */
private int updateChargePct() {
  IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
  Intent batteryStatus = context.registerReceiver(null, ifilter);
  int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
  int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
  currentLevel.set((int) (100f * level / (float) scale));
  return currentLevel.get();
}
 

public static boolean checkIfCharging() {
	try {
		IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
		Intent batteryStatus = FlickrUploader.getAppContext().registerReceiver(null, ifilter);
		int status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
		boolean isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING || status == BatteryManager.BATTERY_STATUS_FULL;
		setCharging(isCharging);
	} catch (Throwable e) {
		LOG.error(ToolString.stack2string(e));
	}
	return charging;
}
 

@Override
public Advertiser createAdvertiser(BleService service) {
    byte[] data = new byte[12];

    if (null != service) {
        ByteBuffer buffer = ByteBuffer.wrap(data);
        IntentFilter intentFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent stickyIntent = service.registerReceiver(null, intentFilter);
        if (null != stickyIntent) {
            mBatteryVoltage = (short) stickyIntent.getIntExtra(BatteryManager.EXTRA_VOLTAGE, 0);
            buffer.putShort(mBatteryVoltage);

            mBatteryTemperature = stickyIntent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0);

            // (int * 10) to fixed point 8.8
            buffer.putShort((short) (mBatteryTemperature / 10 << 8 | mBatteryTemperature % 10 * 256 / 10));

            mEstimatedPDUCount = (int) service.updateEstimatedPDUCount();
            buffer.putInt(mEstimatedPDUCount);

            mPowerOnTime = (int) service.getPowerOnTime();
            buffer.putInt(mPowerOnTime / 100);
        }
    }

    return new EddystoneAdvertiser(this, EddystoneAdvertiser.FRAME_TLM, data, 0, data.length);
}
 

public static int getBatteryLevel(Context context) {
    int batteryLevel = -1;
    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = context.registerReceiver(null, ifilter);

    int rawlevel = batteryStatus.getIntExtra("level", -1);
    int scale = batteryStatus.getIntExtra("scale", -1);
    if (rawlevel >= 0 && scale > 0) {
        batteryLevel = (rawlevel * 100) / scale;
    }
    //Log.d(TAG, "battery rawlevel:" + rawlevel + " scale:" + scale + " batteryLevel:" + batteryLevel);
    return batteryLevel;
}
 

@Override
protected void onHandleIntent(Intent intent) {
    super.onHandleIntent(intent);

    // Close the notification drawer
    Intent closeDrawer = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
    sendBroadcast(closeDrawer);

    // Determine current charging status
    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = registerReceiver(null, ifilter);
    int status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
    boolean isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING ||
            status == BatteryManager.BATTERY_STATUS_FULL;

    // Get current UI mode
    UiModeManager mUiModeManager = (UiModeManager) getSystemService(Context.UI_MODE_SERVICE);
    int uiMode = mUiModeManager.getCurrentModeType();

    // Determine current dock state, based on the current UI mode
    boolean isDocked;
    switch(uiMode) {
        case Configuration.UI_MODE_TYPE_DESK:
            isDocked = true;
            break;
        case Configuration.UI_MODE_TYPE_CAR:
            isDocked = true;
            break;
        default:
            isDocked = false;
    }

    // In order to ensure that the device locks itself when the following code is run,
    // we need to temporarily set the lock screen lock after timeout value.
    // For a smooth transition into the daydream, we set this value to one millisecond,
    // locking the device at the soonest opportunity after the transition completes.
    int timeout = Settings.Secure.getInt(getContentResolver(), "lock_screen_lock_after_timeout", 5000);
    if(timeout != 1) {
        SharedPreferences prefMain = U.getPrefMain(this);
        SharedPreferences.Editor editor = prefMain.edit();
        editor.putInt("timeout", Settings.Secure.getInt(getContentResolver(), "lock_screen_lock_after_timeout", 5000));
        editor.apply();

        U.runCommand(this, U.timeoutCommand + "1");
    }

    // Schedule TimeoutService to reset lock screen timeout to original value
    Intent timeoutService = new Intent(this, TimeoutService.class);
    PendingIntent pendingIntent = PendingIntent.getService(this, 123456, timeoutService, PendingIntent.FLAG_CANCEL_CURRENT);

    AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    manager.set(AlarmManager.RTC, System.currentTimeMillis() + 1000, pendingIntent);

    // If Daydreams is enabled and the device is charging, then lock the device by launching the daydream.
    if(isCharging
            && !U.castScreenActive(this)
            && Settings.Secure.getInt(getContentResolver(), "screensaver_enabled", 0) == 1
            && ((Settings.Secure.getInt(getContentResolver(), "screensaver_activate_on_dock", 0) == 1 && isDocked)
            || Settings.Secure.getInt(getContentResolver(), "screensaver_activate_on_sleep", 0) == 1)) {
        // Send intent to launch the current daydream manually
        Intent lockIntent = new Intent(Intent.ACTION_MAIN);
        lockIntent.setComponent(ComponentName.unflattenFromString("com.android.systemui/.Somnambulator"));
        lockIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        try {
            startActivity(lockIntent);
        } catch (ActivityNotFoundException e) { /* Gracefully fail */ }
    } else
        // Otherwise, send a power button keystroke to lock the device normally
        U.lockDevice(this);
}
 

public static int getLevel(Context context) {
    IntentFilter iFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = context.registerReceiver(null, iFilter);

    return batteryStatus != null ? batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1) : -1;
}
 

public AndroidBatteryState(Activity ActivityInstance)
{
    mBatteryStateChangeReceiver = new BatteryStateChangeReceiver();
    mBatteryStateFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    mActivityInstance = ActivityInstance;
}
 

/**
 * Get the battery level from the device, from official docs:
 * https://developer.android.com/training/monitoring-device-state/battery-monitoring#MonitorLevel
 * @param context
 * @return an integer corresponding to the battery percentage without any symbols
 */
public static int getBatteryPercentage(Context context) {

    IntentFilter iFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = context.registerReceiver(null, iFilter);

    int level = batteryStatus != null ? batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1) : -1;
    int scale = batteryStatus != null ? batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1) : -1;

    float batteryPct = level / (float) scale;

    return (int) (batteryPct * 100);
}