4.0.0 androidx.savedstate savedstate 1.0.0-beta01 aar Activity Provides the base Activity subclass and the relevant hooks to build a composable structure on top. http://developer.android.com/tools/extras/support-library.html 2018 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 1.0.0 compile androidx.arch.core core-common 2.0.1 compile * * androidx.lifecycle lifecycle-common 2.0.0 compile * androidx.annotation