Andorid gets the system title bar height

   // Get the status bar height 
    public static int getStatusBarHeight(Context context) {
    
        int result = 0;
        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen",
                "android");
        if (resourceId > 0) {
    
            result = context.getResources().getDimensionPixelSize(resourceId);
        }
        return result;
    }