1. Android Studio
plz add compile 'com.google.android.gms:play-services-gcm:15.0.0'
to your app/build.gradle
. make sure the version >= 15. Example:
compile 'com.google.android.gms:play-services-gcm:15.0.0'
}
dependencies { compile 'com.google.android.gms:play-services-ads:15.0.1' }
2. For eclipse
plz update the support-v4.jar with https://github.com/OneSignal/OneSignal-Android-SDK/blob/master/Examples/Eclipse/OneSignalExample/libs/android-support-v4.jar
Thanks,