使用OkHttp，应用总是闪退

请问这该怎么解决？

换新版okhttp
okhttp - Expected Android API level 21+ but was 30 - Stack Overflow How is it possible that I get this message? It does not make any sense. I'm using com.squareup.retrofit2:retrofit:2.9.0 Caused by: java.lang.IllegalStateException: Expected Android API level 2... https://stackoverflow.com/questions/63917431/expected-android-api-level-21-but-was-30