[Android] No Title Bar Screen

Let the Android application will be not included the title bar.

public static void setFullNoTitleScreen(Activity context) {
　context.setTheme(R.style.Theme_Black_NoTitleBar_Fullscreen);
　context.requestWindowFeature(Window.FEATURE_NO_TITLE);
　context.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
　WindowManager.LayoutParams.FLAG_FULLSCREEN);
}