Android Open Source - SignUpViaGooglePlusOrFacebook Google Plus Activity

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Back to project page SignUpViaGooglePlusOrFacebook.

License

The source code is released under:

Apache License

Java Source Code

/* 
 * Copyright (C) 2011 iMellon/*  w  w w .  j  a v  a  2 s  . co  m*/
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.amitsid.signupwithgandfb;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.Signature;
import android.os.Bundle;
import android.util.Base64;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.facebook.AppEventsLogger;
import com.facebook.FacebookAuthorizationException;
import com.facebook.FacebookOperationCanceledException;
import com.facebook.Session;
import com.facebook.SessionState;
import com.facebook.UiLifecycleHelper;
import com.facebook.model.GraphUser;
import com.facebook.widget.FacebookDialog;
import com.facebook.widget.LoginButton;
import com.facebook.widget.ProfilePictureView;

public class GooglePlusActivity extends Activity {

  private final String PENDING_ACTION_BUNDLE_KEY = "com.facebook.samples.hellofacebook:PendingAction";

  private LoginButton loginButton;
  private TextView greeting;
  private PendingAction pendingAction = PendingAction.NONE;
  private GraphUser user;
  private ProfilePictureView profilePictureView;

  private Button launchOauth;

  private enum PendingAction {
    NONE, POST_PHOTO, POST_STATUS_UPDATE
  }

  private UiLifecycleHelper uiHelper;

  private Session.StatusCallback callback = new Session.StatusCallback() {
    @Override
    public void call(Session session, SessionState state,
        Exception exception) {
      onSessionStateChange(session, state, exception);
    }
  };

  private FacebookDialog.Callback dialogCallback = new FacebookDialog.Callback() {
    @Override
    public void onError(FacebookDialog.PendingCall pendingCall,
        Exception error, Bundle data) {
      Log.d("HelloFacebook", String.format("Error: %s", error.toString()));
    }

    @Override
    public void onComplete(FacebookDialog.PendingCall pendingCall,
        Bundle data) {
      Log.d("HelloFacebook", "Success!");
    }
  };

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    try {
      PackageInfo info = getPackageManager().getPackageInfo(
          "com.amitsid.signupwithgandfb",
          PackageManager.GET_SIGNATURES); // Your package name
                          // here
      for (Signature signature : info.signatures) {
        MessageDigest md = MessageDigest.getInstance("SHA");
        md.update(signature.toByteArray());
        Log.i("KeyHash:",
            Base64.encodeToString(md.digest(), Base64.DEFAULT));
      }
    } catch (NameNotFoundException e) {
    } catch (NoSuchAlgorithmException e) {
    }

    launchOauth = (Button) findViewById(R.id.btn_launch_oauth);

    launchOauth.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        startActivity(new Intent().setClass(v.getContext(),
            OAuthActivity.class));
      }
    });

    profilePictureView = (ProfilePictureView) findViewById(R.id.profilePicture);
    greeting = (TextView) findViewById(R.id.greeting);

    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);

    if (savedInstanceState != null) {
      String name = savedInstanceState
          .getString(PENDING_ACTION_BUNDLE_KEY);
      pendingAction = PendingAction.valueOf(name);
    }

    loginButton = (LoginButton) findViewById(R.id.login_button);
    loginButton
        .setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
          @Override
          public void onUserInfoFetched(GraphUser user) {
            GooglePlusActivity.this.user = user;
            updateUI();
          }
        });

    greeting = (TextView) findViewById(R.id.greeting);

  }

  @Override
  protected void onResume() {
    super.onResume();
    uiHelper.onResume();
    AppEventsLogger.activateApp(this);
    updateUI();
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    uiHelper.onSaveInstanceState(outState);

    outState.putString(PENDING_ACTION_BUNDLE_KEY, pendingAction.name());
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    uiHelper.onActivityResult(requestCode, resultCode, data, dialogCallback);
  }

  @Override
  public void onPause() {
    super.onPause();
    uiHelper.onPause();
    AppEventsLogger.deactivateApp(this);
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    uiHelper.onDestroy();
  }

  private void onSessionStateChange(Session session, SessionState state,
      Exception exception) {
    if (pendingAction != PendingAction.NONE
        && (exception instanceof FacebookOperationCanceledException || exception instanceof FacebookAuthorizationException)) {
      new AlertDialog.Builder(GooglePlusActivity.this)
          .setTitle(R.string.cancelled)
          .setMessage(R.string.permission_not_granted)
          .setPositiveButton(R.string.ok, null).show();
      pendingAction = PendingAction.NONE;
    } else if (state == SessionState.OPENED_TOKEN_UPDATED) {
    }
    updateUI();
  }

  private void updateUI() {
    Session session = Session.getActiveSession();
    boolean enableButtons = (session != null && session.isOpened());

    if (enableButtons && user != null) {
      profilePictureView.setVisibility(ProfilePictureView.VISIBLE);
      profilePictureView.setProfileId(user.getId());
      greeting.setText(getString(R.string.hello_user, user.getFirstName()));
    } else {
      profilePictureView.setProfileId(null);
      greeting.setText(null);
    }
  }

}

Java Source Code List

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