Here you can find the source of toggleFullScreen(Activity activity, boolean isFull)
public static void toggleFullScreen(Activity activity, boolean isFull)
//package com.java2s; import android.app.Activity; import android.view.Window; import android.view.WindowManager; public class Main { public static void toggleFullScreen(Activity activity, boolean isFull) { Window window = activity.getWindow(); WindowManager.LayoutParams winParams = window.getAttributes(); final int bits = WindowManager.LayoutParams.FLAG_FULLSCREEN; if (isFull) { winParams.flags |= bits;// w w w .j a v a 2 s. co m } else { winParams.flags &= ~bits; } window.setAttributes(winParams); } }