getKeychainCredential static method
Returns the credentials stored in the Keychain for the website associated with the current app.
Only available on Apple platforms.
Throws a SignInWithAppleException exception when no credentials have been found in the Keychain.
Implementation
static Future<AuthorizationCredentialPassword> getKeychainCredential() async {
return SignInWithApplePlatform.instance.getKeychainCredential();
}