Disable/hide Status Bar In Android

I am developing an application which should have some extra security features. In this case I have to disable/hide the status bar. I am running with Android 2.2. And also my device

Solution 1:

you can select the theme spinner and select the "Theme.NoTitleBar.Fullscreen".

Using code:-

requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

above written code placed in oncreate method