android to remove the window full screen display simple method

    　　// Remove the window 
        requestWindowFeature(Window.FEATURE_NO_TITLE);(1 Need to put in setContentView(R.layout.main) In the front of the )
        // Full screen 
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);