Explanation:
In Android development, the google_app_id
refers to the unique identifier for your Firebase project. This error occurs when the Google Services plugin is unable to find the google_app_id
value specified in your project’s Google Services file.
To resolve this issue, follow these steps:
- Make sure you have properly set up Firebase in your project.
- Check if you have the
google-services.json
file in your app module’s root directory. This file contains important configuration information, including thegoogle_app_id
value. - If you don’t have the
google-services.json
file, you need to download it from the Firebase console. Go to your project settings in the Firebase console and click on the “Download google-services.json” button. Place this file in your app module’s root directory. - Ensure that the
google-services
plugin is applied correctly in your app-level build.gradle file. It should be added as a dependency and should be placed as the last line in the file. For example:
// Example build.gradle file
dependencies {
// other dependencies
implementation 'com.google.firebase:firebase-analytics:17.3.0'
implementation 'com.google.firebase:firebase-auth:19.2.0'
// other dependencies
}
apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
After following these steps, clean and rebuild your project to ensure that all the dependencies are resolved properly. This should fix the error and enable you to retrieve the google_app_id
from the Google Services file in the build environment.