1 compile 'com.squareup.retrofit2:converter-gson:2.3.0' 2 compile 'com.squareup.okhttp3:okhttp:3.9.0' 3 compile files('libs/picasso-2.5.2.jar') 4 compile 'eu.the4thfloor.volley:com.android.volley:2015.05.28' 5 compile 'com.android.support:design:26.0.0-alpha1'