- Make a screenshot?
- Look at the B4A File; they are listed here if you look at this file with notepad++
What B4A Version are you using?
Did you REMOVED/DELETED the old SDK and installed a new one? Starting from B4A 10.7 (i think) it is mandatory to install a new (changed) SDK.
See https://www.b4x.com/b4a.html for detailed instructions. Follow carefully.
v12.8 - December 6, 2023 - https://www.b4x.com/android/forum/threads/b4a-v12-8-is-available-for-download.157840/ Code snippets: https://www.b4x.com/android/forum/threads/b4x-code-snippets.152450/ Important fixes for two issues, one in OkHttpUtils2 that caused requests to fail in some cases and...
DELETE your current SDK.
INSTALL as new one (two zips to download from this page. Make sure to use 7Zip to extract. Follow the Installationinstructions Carefully.
Scenario: All SDK etc are installed as per instructions from B4A installation and work fine. Then I open an example which gives following error on compilation: Legacy-Support-v4 required Then I install it using B4A SDK Manager The error changes to androidx.activity required It keeps giving...
Assuming that you are using a new SDK with B4A v11 then this error is related to an old library that needs to be updated.
Create a new project and add the libraries until you find the one that causes the problem. It will not be any of the internal libraries.