Here you can find the source of setFullScreen(Activity activity)
public static void setFullScreen(Activity activity)
//package com.java2s; import android.app.Activity; import android.view.Window; import android.view.WindowManager; public class Main { public static void setFullScreen(Activity activity) { toggleFullScreen(activity, true); }// www. ja va 2 s . co m 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; } else { winParams.flags &= ~bits; } window.setAttributes(winParams); } }