Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.BatteryManager; public class Main { /** * @param context * @return BatteryManager.BATTERY_PLUGGED_USB, BatteryManager.BATTERY_PLUGGED_AC, BatteryManager.BATTERY_PLUGGED_WIRELESS */ public static int getChargingMode(Context context) { IntentFilter intentFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED); Intent batteryStatus = context.registerReceiver(null, intentFilter); return getChargingMode(batteryStatus); } public static int getChargingMode(Intent batteryStatus) { return batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1); } }