Java tutorial
//package com.java2s; import android.app.Activity; import android.view.WindowManager; public class Main { public static void showStatusBar(Activity activity) { WindowManager.LayoutParams attrs = activity.getWindow().getAttributes(); attrs.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN; activity.getWindow().setAttributes(attrs); activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS); } }