Java tutorial
//package com.java2s; import android.content.Context; import android.os.PowerManager; public class Main { private static PowerManager.WakeLock wakeLock; public static void acquire(Context context) { if (wakeLock != null) wakeLock.release(); PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); wakeLock = pm.newWakeLock( PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.ON_AFTER_RELEASE, "WakeLock"); wakeLock.acquire(); } public static void release() { if (wakeLock != null) wakeLock.release(); wakeLock = null; } }