Java tutorial
//package com.java2s; import android.app.Activity; import android.view.WindowManager; public class Main { public static void cancelFullScreen(Activity activity) { WindowManager.LayoutParams params = activity.getWindow().getAttributes(); params.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN); activity.getWindow().setAttributes(params); activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS); } }