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@ianbarber
ianbarber / gist:5170508
Last active December 29, 2023 03:42
Example Sign In activity for Google Sign-In on Android that retrieves an authorization code for use with server side authentication. See http://www.riskcompletefailure.com/2016/07/server-side-google-api-access-from.html for more background and links.
package com.example.anothersignintest;
import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.android.gms.auth.api.signin.GoogleSignInResult;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.OptionalPendingResult;
import com.google.android.gms.common.api.ResultCallback;