Java tutorial
//package com.java2s; //License from project: Apache License import android.app.Activity; import android.os.Build; import android.view.View; import android.view.WindowManager; public class Main { private static void showBar(Activity context) { if (Build.VERSION.SDK_INT < 16) { context.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); } else { View decorView = context.getWindow().getDecorView(); int uiOptions = View.SYSTEM_UI_FLAG_VISIBLE; decorView.setSystemUiVisibility(uiOptions); } } }