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

Question

"client": [
{
  "client_info": {
    "mobilesdk_app_id": "9:99999999:android:9ccdbb6c1ae659b8",
    "android_client_info": {
      "package_name": "[packagename]"
    }
  }

package_name must match what's in your manifest file. you can find the google-services.json file if you look in the example photo below.

Simple and easy. In my case it solved by as below

Make sure your pakage name in mainifests file same as your gradle's applicationId.

Happened to me when switching flavors.

Now you can also use the google-services.json with different flavors.

See https://stackoverflow.com/a/34364376/570168

Solved the problem of getting an exception

java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process Make sure to call FirebaseApp.initializeApp(Context) first.

in FirebaseInstanceId.getInstance().getToken()

Check that package_name exactly matches applicationId 1) build.gradle

defaultConfig {
        applicationId "build.gradle.exactly.matches.json"
...
}

---

should exactly match 2) google-services.json

{
      "client_info": {
        "mobilesdk_app_id": "xxxxxxxxxxxxxxxxxxxxxxxxxx",
        "android_client_info": {
          "package_name": "build.gradle.exactly.matches.json"
        ....

---

This exact same error happened to me only when I tried to build my debug build type. The way I solved it was to change my google-services.json for my debug build type. My original field had a field called client_id and the value was android:com.example.exampleapp, and I just deleted the android: prefix and leave as com.example.exampleapp and after that my gradle build was successful.

Hope it helps!

EDIT

I've just added back the android: prefix in my google-services.json and it continued to work correctly. Not sure what happened exactly but I was able to solve my problem with the solution mentioned above.

For fixing:

No matching client found for package name 'com.example.exampleapp:

You should get a valid google-service.json file for your package from here

For fixing:

Please fix the version conflict either by updating the version of the google-services plugin (information about the latest version is available at https://bintray.com/android/android-tools/com.google.gms.google-services/) or updating the version of com.google.android.gms to 8.3.0.:

You should move apply plugin: 'com.google.gms.google-services' to the end of your app gradle.build file. Something like this:

dependencies {
    ...
}
apply plugin: 'com.google.gms.google-services'