Android Support Library was implemented and maintained in the last 8 years by Google. It includes a wide range of features and it hides many of the differences between the various Android versions. Android Support Library was replaced by AndroidX SDK. It is no longer maintained and new versions...
Just updated the SDK through the B4A SDK Manger and now I get the "Maven artifact not found: com.google.guava/listenablefuture". I tried searching for it, and this is closest one installed: I see that others had this issue in the past - seems that updates to the SDK Manager to 3.6 fixed it...
Have you tried the post #22, looks like is the solution.. " Download the attached jar and put it in the additional libraries folder. It will be an internal jar in the future. "
Just updated the SDK through the B4A SDK Manger and now I get the "Maven artifact not found: com.google.guava/listenablefuture". I tried searching for it, and this is closest one installed: I see that others had this issue in the past - seems that updates to the SDK Manager to 3.6 fixed it...
www.b4x.com
also, I saw someone solved that error reinstalling B4X (I dont really like this option but maybe you can try)