Android 集成 google 登录并获取性别等隐私信息的实现代码

GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
  .requestEmail()
  .requestIdToken("your client_id")
  .build();
// Build a GoogleSignInClient with the options specified by gso.
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);

Intent signInIntent = mGoogleSignInClient.getSignInIntent();
 startActivityForResult(signInIntent, RC_SIGN_IN);

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
 super.onActivityResult(requestCode, resultCode, data);

 // Result returned from launching the Intent from GoogleSignInClient.getSignInIntent(...);
 if (requestCode == RC_SIGN_IN) {
  // The Task returned from this call is always completed, no need to attach
  // a listener.
  Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
  handleSignInResult(task);
 }
}

private void handleSignInResult(Task<GoogleSignInAccount> completedTask) {
 try {
  GoogleSignInAccount account = completedTask.getResult(ApiException.class);
  // Signed in successfully, show authenticated UI. 
 } catch (ApiException e) {
  // The ApiException status code indicates the detailed failure reason.
  // Please refer to the GoogleSignInStatusCodes class reference for more information.
  Log.w(TAG, "signInResult:failed code=" + e.getStatusCode()); 
 }
}

 /**
  * 重新获取账号列表
  */
 public void revokeAccess() {
  try {
   if (mGoogleSignInClient!=null && mActivity!=null){
    mGoogleSignInClient.revokeAccess().addOnCompleteListener(mActivity, new OnCompleteListener<Void>() {
     @Override
     public void onComplete(@NonNull Task<Void> task) {
      Log.d(TAG, "onComplete: ");
     }
    });
   }
  } catch (Exception e){
   e.printStackTrace();
  }
 }

private static final String GENDER_SCOPE = "https://www.googleapis.com/auth/user.gender.read";
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
  .requestEmail()
  .requestIdToken("your client_id")
  .requestScopes(new Scope(GENDER_SCOPE));
  .build();
// Build a GoogleSignInClient with the options specified by gso.
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);

 GoogleSignInAccount lastSignedInAccount = GoogleSignIn.getLastSignedInAccount(mActivity);
  Scope scope = new Scope(GENDER_SCOPE);
  if (Utils.isNeedRequest() && !GoogleSignIn.hasPermissions(lastSignedInAccount,scope)){
     SGLog.d(TAG+" need requst permission...");
   GoogleSignIn.requestPermissions(mActivity,RC_GET_TOKEN,lastSignedInAccount,scope);
  }

 getProfileAsyncTask = new GetProfileAsyncTask(mActivity, new GpProfileInfoCallback() {
   @Override
   public void onGetProfileInfo(Person person) {
    SGLog.d(TAG+" onGetProfileInfo... ");
    getProfileInfo(person);
   }
  });
  getProfileAsyncTask.execute(signInAccount);

// Global instance of the HTTP transport
 private static final HttpTransport HTTP_TRANSPORT = AndroidHttp.newCompatibleTransport();

 // Global instance of the JSON factory
 private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();

 private static class GetProfileAsyncTask extends AsyncTask<GoogleSignInAccount, Void, Person> {

  // Retrieved from the sigin result of an authorized GoogleSignIn
  private WeakReference<Activity> mActivityRef;
  private GpProfileInfoCallback mProfileInfoCallback;

  public GetProfileAsyncTask(Activity activity,GpProfileInfoCallback callback) {
   mActivityRef = new WeakReference<>(activity);
   mProfileInfoCallback = callback;
  }

  @Override
  protected Person doInBackground(GoogleSignInAccount... params) {
   if (mActivityRef.get() == null){
    SGLog.d(TAG+" GetProfileAsyncTask doInBackground activity is null.");
    return null;
   }

   GoogleSignInAccount signInAccount = params[0];
   Context context = mActivityRef.get().getApplicationContext();
   GoogleAccountCredential credential = GoogleAccountCredential.usingOAuth2(
     context,
     Collections.singleton(GENDER_SCOPE));
   credential.setSelectedAccount(signInAccount.getAccount());
   SGLog.d(TAG+" get profile info start.");
   PeopleService service =
     new PeopleService.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
     .setApplicationName(ApkUtils.getAppName(context)) // your app name
     .build();
   SGLog.d(TAG+" get profile info start.");
   // Get info. on user
   Person person =null;
   try {
    person = service
      .people()
      .get("people/me")
      .setPersonFields("genders")
      .execute();
    SGLog.d(TAG+" getPerson end.");
    // return the result
    if (mProfileInfoCallback!=null){
     mProfileInfoCallback.onGetProfileInfo(person);
    }
   } catch (Exception e) {
    SGLog.e(TAG+e.getMessage());
    if (mProfileInfoCallback!=null){
     mProfileInfoCallback.onGetProfileInfo(null);
    }
    e.printStackTrace();
   }
   return person;
  }

  @Override
  protected void onPostExecute(Person aVoid) {
   super.onPostExecute(aVoid);
  }
 }

private void getProfileInfo(Person person){
  SGLog.d(TAG+" executeProfileInfo...");
  if (person == null){
   notifyResult(mLastUser,Utils.SUCCESS);
  }else {
   try {
    List<Gender> genders = person.getGenders();
    Gender gender = genders.get(0);
    String value = gender.getValue();
    SGLog.d(TAG+" genders:"+genders.size()+ " gender:"+value);
    mLastUser.setGender(value);
    notifyResult(mLastUser,Utils.SUCCESS);
   }catch (Exception e){
    SGLog.e(TAG+" getProfileInfo error.");
    notifyResult(null,SGErrorCode.LOGIN_FAILED);
    e.printStackTrace();
   }
  }
 }