from--https://stackoverflow.com/questions/56818660/how-to-fix-expected-android-api-level-21-but-was-19-in-android   Ask Question Asked 4 years, 2 months ago Modified 2 years, 11 months ago Viewed 37k times 40 In my application i want get data from server, for get connect to server i used Retrofit, OkHttp. But when running application, show me force close error. In and…