Java tutorial
//package com.java2s; import android.app.Activity; import android.app.ActivityManager; import android.content.Context; public class Main { public static void blockRecentApps(Activity activity) { ActivityManager activityManager = (ActivityManager) activity.getApplicationContext() .getSystemService(Context.ACTIVITY_SERVICE); activityManager.moveTaskToFront(activity.getTaskId(), 0); } }