Error:Connectionresult{Statuscode=Internal_Error, Resolution=Null}

Error : ConnectionResult{statusCode=INTERNAL_ERROR, resolution=null}

I solved the issue from register the application and generate signing certificate fingerprint.

https://developers.google.com/drive/android/auth#generate_the_signing_certificate_fingerprint_and_register_your_application

I followed above links and It solved my problem.

Occured an INTERNAL_ERROR when requestEmail from GoogleSignInOptions Android

If you get error code 8 (INTERNAL_ERROR), please double check your app registration in dev console. Note that every registered Android client is uniquely identified by the (package name, Android Signing Certificate SHA-1) pair. If you have multiple package names / signing certificate for your debug and production environments, make sure to register every pair of them. To verify:

1. Open the Credentials page and select your project
2. Make sure every pair has an Android typed OAuth 2.0 client IDs.
   To create a new OAuth 2.0 client ID for your Android client, select New Credentials->OAuth2 Client ID from the dropdown, select Android and input your Package name / Signing-certificate fingerprint there.

To get your signing key certificate SHA-1:

Standard Debug Key

keytool -list -v -keystore ~/.android/debug.keystore -alias androiddebugkey -storepass android -keypass android


Other (Custom) Key

keytool -list -v -keystore $YOUR_KEYSTORE_LOCATION


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