FullScreenAndroid - Transparent status bar

Transparent status bar

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            Window w = getWindow(); // in Activity's onCreate() for instance
            //use this to make transparent both status and navigationbar, add 24dp marginTop to toolbar in xml
            w.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
            // use this to make transparent status bar, No need to add 24dp marginTop to toolbar.
            /*w.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);*/
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                w.setExitTransition(null);
            }
        }