UI style customisation

Some UI elements in the applet can be customised to give different effects. The UI currently supported for customisation are:

1. Applet transition animation view
1. Capsule on the top right corner of the applet
1. Navigation bar at the top of the applet
1. Applet more menu
1. Copywriting within the applet SDK
1. The dark mode of the applet
1. Horizontal and vertical screen switching for applets

See for more details UI customization chapter