Android studio @ override for solving this problem

CodePudding user response:

Try Agin, synchronization of dependency

CodePudding user response:

Surpport7 and you use the wrong version

CodePudding user response:

Support library no 29, the supreme 28.0.0, followed by androidx, and write a specific version don't write + best,
Google library query address https://dl.google.com/dl/android/maven2/index.html