Wish Allowing Libraries to add custom Properties to be used in a CustomView in Designer
Similar threadsB4A Tutorial Google Maps
Other B4A v6.30 has been released!
B4A Library CustomListView - A flexible list based on ScrollView
B4J Tutorial [B4X] Custom Views with Enhanced Designer Support
B4A Library [B4X] [XUI] xCustomListView - cross platform CustomListView
B4A Library [B4X] XUI Views - Cross platform views and dialogs