XUI Views is a b4x library (https://www.b4x.com/android/forum/threads/100383/#content). The same b4xlib library is compatible with B4A, B4i and B4J It is a collection of custom views and dialogs. Everything is written in B4X. The source code is included inside the b4xlib file, which is a zip...
XUI library v1.4 adds support for asynchronous msgbox dialogs. The API is simple: xui.MsgboxAsync("Hello", "World") The dialog is not a modal dialog. The code will not stop. MsgboxAsync and Msgbox2Async return an object that can be used as the sender filter parameter in a Wait For call...