The book can be significanly beneficial to the apprentices if it completes the Maps project with the needed Cloud/API/Billing setups to actually release it on the Google Play store. Only a gray area (though the Search button and all other functions worked fine!). I set all up, but still the App Release version of the app did not show the map upon launch on a real phone for alpha testing. Add a Billing account to the project in Google Cloud.

Update Google Cloud API Credentials (not sure if optional if an app does not need Restrictions?) Debug signing certificate SHA-1 (optional) how to get in flutter SHA-256 flutter dart sha1 flutter exmample SHA1 flutter vsc sha1 flutter firebase certificate SHA-1 flutter sha1 create android flutter firebase create key.

Update the release google_maps_api.xml with the API key (not just the debug file, so 2 files must be updated).

However, it seems to actually release a Google Maps API app thru the Google Play lifecycle, one needs: Keytool -list -keystore MyAppKeyStore.jks I tried the following in the key store folder of my app: ‘ However, Section VI does not cover the ‘release’ SHA-1 or API keys for a Google Maps API based app.

>In the project, go to the android/app directory where you find adle file. > open your project in Android Studio and open the project. But for that, you have to follow some steps. Chapter 13 P 241 states ‘getting the SHA1 key for release builds will be covered in Section VI, “Submitting Your App”. You can also get the SHA-1 of your signing certificate by Gradle signingReport.

Android studio debug certificate sha1