4.0.0 com.devsh.suhanlee slack-message 0.1.1 aar com.android.support appcompat-v7 23.2.0 runtime com.squareup.retrofit2 retrofit 2.0.0-beta4 runtime com.squareup.retrofit2 converter-gson 2.0.0-beta4 runtime com.squareup.okhttp3 logging-interceptor 3.1.2 runtime