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Checks if device is charging
private boolean checkForPower() {
// It is very easy to subscribe to changes to the battery state, but you can get the current
// state by simply passing null in as your receiver. Nifty, isn't that?
IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
Intent batteryStatus = this.registerReceiver(null, filter);
// There are currently three ways a device can be plugged in. We should check them all.
int chargePlug = batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
boolean usbCharge = (chargePlug == BatteryManager.BATTERY_PLUGGED_USB);
boolean acCharge = (chargePlug == BatteryManager.BATTERY_PLUGGED_AC);
boolean wirelessCharge = false;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
wirelessCharge = (chargePlug == BatteryManager.BATTERY_PLUGGED_WIRELESS);
}
return (usbCharge || acCharge || wirelessCharge);
}
}
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