4.0.0 androidx.lifecycle lifecycle-common 2.2.0-alpha01 Android Lifecycle-Common Android Lifecycle-Common https://developer.android.com/topic/libraries/architecture/index.html 2017 The Apache Software License, Version 2.0 http://www.apache.org/licenses/LICENSE-2.0.txt repo The Android Open Source Project scm:git:https://android.googlesource.com/platform/frameworks/support http://source.android.com androidx.annotation annotation 1.1.0-rc01 compile