监听BatteryManager.EXTRA_PLUGGED无效的修改

 private int getPluggedTypeString() {	540
			if (mBatteryProps.chargerAcOnline) {	541
			return BatteryManager.BATTERY_PLUGGED_AC;	542
			} else if (mBatteryProps.chargerUsbOnline) {	543
			return BatteryManager.BATTERY_PLUGGED_USB;	544
			} else if (mBatteryProps.chargerWirelessOnline) {	545
			return BatteryManager.BATTERY_PLUGGED_WIRELESS;	546
			}	547
			return 0;	548
			}

 intent.putExtra(BatteryManager.EXTRA_PLUGGED, getPluggedTypeString());