Android Studio Gradle: Error:Execution failed for task ':app:processDebugGoogleServices'. > No matching client found for package

Question

I am trying to upgrade my google play services dependencies to 8.4.0 by following the example Google gives here, but I am getting the following error (\'com.example.examplea

Answer 1

Please verify build.gradle.

defaultConfig {
        applicationId ""
        minSdkVersion 15
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }

Verify the package name.It can also cause error.