full screen in android at runtime (no notification/status bar and app title bar)?

is following开发者_如何学Python both lines are

getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);  
setTheme(android.R.style.Theme_NoTitleBar_Fullscreen);

considering I am writing this line in activity class

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hope it helps

requestWindowFeature(Window.FEATURE_NO_TITLE); requestWindowFeature(Window.FEATURE_PROGRESS);