Java tutorial
//package com.java2s; /* * Copyright 2015 Rocko(zhengxiaopeng). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.BatteryManager; import android.os.Build; public class Main { public static boolean isCharging(Context context) { IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED); Intent batteryStatus = context.registerReceiver(null, filter); 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); } }