Transparent status bar and action bar

public void removeActionbar()
    {
        try
        {
            ((AppCompatActivity)activity).getSupportActionBar().hide();
        } catch (Exception ex)
        {
            try {
                activity.getActionBar().hide();
            } catch (Exception exx)
            {
                Log.e("Action Bar", exx.getMessage());
            }
        }
    }

    public void transparentStatusBar()
    {
        try {
            Window window = activity.getWindow();
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
            window.setStatusBarColor(Color.TRANSPARENT);
        } catch (Exception ex)
        {
            Log.e("Transparent Status Bar", ex.getMessage());
        }

    }