Java tutorial
//package com.java2s; /* SnooZy Charger Power Connection manager. Turn the screen off on power connection or disconnection, to save battery consumption by the phone's display. Copyright (C) 2013 Mudar Noufal <mn@mudar.ca> This file is part of SnooZy Charger. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.BatteryManager; public class Main { public static boolean isPowerConnected(Context context) { Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); int status = batteryIntent.getIntExtra(BatteryManager.EXTRA_STATUS, -1); boolean isCharging = ((status == BatteryManager.BATTERY_STATUS_CHARGING) || (status == BatteryManager.BATTERY_STATUS_FULL)); return isCharging; } }