Works for me (after upgrading to 1.0 "final"):
buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } }
It is also necessary to update: Gradle 2.2 (or higher), "SDK-Tools", Support Repository, Support Library, Services, Services, etc., etc.,
KNU Dec 12 '14 at 8:48 2014-12-12 08:48
source share