Android Studio Google Maps Api Key. Until you do this you will just see a blank grid instead of a map in your applications. The API Key will be generated.
Note that the API key is linked to the encryption key used to sign the APK. You need a different API key for each encryption key including the release key that is used to sign the APK for publishing. First get the android apps package name from your AndroidManifestxml file.
To restrict the google maps API key used only by android apps follow below steps.
The API Key will be generated. The key elements of a map are as follows. First get the android apps package name from your AndroidManifestxml file. To use the Google Maps functionality in Android you need to register for a Maps API key with Google.