如何解决Android Studio代码的错误

Question

Android Studio错误日志：

ERROR: Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.support:appcompat-v7:29.1.1.
ERROR: Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.support:design:29.1.1.
ERROR: Unable to resolve dependency for ':app@debugAndroidTest/compileClasspath': Could not resolve com.android.support:appcompat-v7:29.1.1.
ERROR: Unable to resolve dependency for ':app@debugAndroidTest/compileClasspath': Could not resolve com.android.support:design:29.1.1.
ERROR: Unable to resolve dependency for ':app@debugUnitTest/compileClasspath': Could not resolve com.android.support:appcompat-v7:29.1.1.
ERROR: Unable to resolve dependency for ':app@debugUnitTest/compileClasspath': Could not resolve 

Answer 1

这仅仅是因为还没有支持库版本29.1.1。最新版本为28.0.0，请参见Recent Support Library Revisions。您需要迁移到androidX才能使用Android支持库的最新更改。