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Android SDK used by developers to provide Backendless API in apps.
/*
* ********************************************************************************************************************
*
* BACKENDLESS.COM CONFIDENTIAL
*
* ********************************************************************************************************************
*
* Copyright 2012 BACKENDLESS.COM. All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains the property of Backendless.com and its suppliers,
* if any. The intellectual and technical concepts contained herein are proprietary to Backendless.com and its
* suppliers and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade secret
* or copyright law. Dissemination of this information or reproduction of this material is strictly forbidden
* unless prior written permission is obtained from Backendless.com.
*
* ********************************************************************************************************************
*/
package com.backendless;
import android.os.Bundle;
import com.backendless.async.callback.AsyncCallback;
import com.backendless.commons.util.SocialType;
import com.backendless.core.responder.AdaptingResponder;
import com.backendless.core.responder.policy.BackendlessUserAdaptingPolicy;
import com.backendless.exceptions.BackendlessFault;
import com.backendless.exceptions.ExceptionMessage;
import com.backendless.social.AbstractSocialLoginStrategy;
import com.backendless.utils.JSONObjectConverter;
import com.facebook.*;
import com.facebook.login.LoginManager;
import com.facebook.login.LoginResult;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.*;
class UserServiceAndroidExtra
{
private static final UserServiceAndroidExtra instance = new UserServiceAndroidExtra();
private static final String GOOGLE_ACCOUNT_TYPE = "com.google";
static UserServiceAndroidExtra getInstance()
{
return instance;
}
private UserServiceAndroidExtra()
{
}
void loginWithFacebookSdk( final android.app.Activity context, CallbackManager callbackManager, final AsyncCallback responder )
{
List permissions = new ArrayList();
permissions.add( "email" );
permissions.add( "public_profile" );
Map facebookFieldsMappings = new HashMap( );
facebookFieldsMappings.put( "email", "email" );
loginWithFacebookSdk( context, facebookFieldsMappings, permissions, callbackManager, responder );
}
void loginWithFacebookSdk( final android.app.Activity context, final Map facebookFieldsMappings,
List permissions, CallbackManager callbackManager, final AsyncCallback responder )
{
LoginManager.getInstance().registerCallback( callbackManager, new FacebookCallback()
{
@Override
public void onSuccess( LoginResult loginResult )
{
getBackendlessUser( loginResult.getAccessToken(), facebookFieldsMappings, responder );
}
@Override
public void onCancel()
{
responder.handleFault( new BackendlessFault( ExceptionMessage.FACEBOOK_LOGINNING_CANCELED ) );
}
@Override
public void onError( FacebookException exception )
{
responder.handleFault( new BackendlessFault( ExceptionMessage.NULL_GRAPH_USER ) );
}
} );
LoginManager.getInstance().logInWithReadPermissions( context, permissions );
}
private void getBackendlessUser( final AccessToken accessToken, final Map facebookFieldsMappings, final AsyncCallback responder )
{
GraphRequest request = GraphRequest.newMeRequest( accessToken, new GraphRequest.GraphJSONObjectCallback()
{
@Override
public void onCompleted( JSONObject object,
GraphResponse response )
{
FacebookBundle facebookBundle = new FacebookBundle( response, accessToken );
Object[] requestData = new Object[] { null, facebookBundle.accessToken, null, null, facebookFieldsMappings };
Invoker.invokeAsync( UserService.USER_MANAGER_SERVER_ALIAS, "loginWithFacebook", requestData, responder, new AdaptingResponder( BackendlessUser.class, new BackendlessUserAdaptingPolicy() ) );
}
} );
Bundle parameters = new Bundle();
parameters.putString("fields", "id,name,link");
request.setParameters( parameters );
request.executeAsync();
}
void loginWithFacebook( android.app.Activity context, android.webkit.WebView webView,
Map facebookFieldsMappings, List permissions,
final AsyncCallback responder )
{
new AbstractSocialLoginStrategy.Builder( context, webView, SocialType.FACEBOOK, facebookFieldsMappings, permissions, getSocialDialogResponder( responder ) ).build().run();
}
void loginWithTwitter( android.app.Activity context, android.webkit.WebView webView,
Map twitterFieldsMappings, AsyncCallback responder )
{
new AbstractSocialLoginStrategy.Builder( context, webView, SocialType.TWITTER, twitterFieldsMappings, null, getSocialDialogResponder( responder ) ).build().run();
}
void loginWithGooglePlusSdk( String accessToken, Map fieldsMappings, final AsyncCallback responder )
{
if (fieldsMappings == null)
fieldsMappings = new HashMap<>();
Invoker.invokeAsync( UserService.USER_MANAGER_SERVER_ALIAS, "loginWithGooglePlus", new Object[] { null, accessToken, null, fieldsMappings }, new AsyncCallback()
{
@Override
public void handleResponse( BackendlessUser response )
{
if( responder != null )
responder.handleResponse( response );
}
@Override
public void handleFault( BackendlessFault fault )
{
if( responder != null )
responder.handleFault( fault );
}
} );
}
void loginWithFacebookSdk( String accessToken, Map fieldsMappings, final AsyncCallback responder )
{
if (fieldsMappings == null)
fieldsMappings = new HashMap<>();
Invoker.invokeAsync( UserService.USER_MANAGER_SERVER_ALIAS, "loginWithFacebook", new Object[] { null, accessToken, null, null, fieldsMappings }, new AsyncCallback()
{
@Override
public void handleResponse( BackendlessUser response )
{
if( responder != null )
responder.handleResponse( response );
}
@Override
public void handleFault( BackendlessFault fault )
{
if( responder != null )
responder.handleFault( fault );
}
}, new AdaptingResponder( BackendlessUser.class, new BackendlessUserAdaptingPolicy() ) );
}
void loginWithGooglePlus( android.app.Activity context, android.webkit.WebView webView,
Map googlePlusFieldsMappings, List permissions,
final AsyncCallback responder )
{
new AbstractSocialLoginStrategy.Builder( context, webView, SocialType.GOOGLE_PLUS, googlePlusFieldsMappings, permissions, getSocialDialogResponder( responder ) ).build().run();
}
private AsyncCallback getSocialDialogResponder( final AsyncCallback responder )
{
return new AsyncCallback()
{
@Override
public void handleResponse( JSONObject response )
{
try
{
BackendlessUser result = new BackendlessUser();
Iterator keys = response.keys();
while( keys.hasNext() )
{
String key = String.valueOf( keys.next() );
result.setProperty( key, JSONObjectConverter.fromJson(response.get(key)) );
}
if( responder != null )
responder.handleResponse( result );
}
catch( Exception e )
{
if( responder != null )
responder.handleFault( new BackendlessFault( e ) );
}
}
@Override
public void handleFault( BackendlessFault fault )
{
if( responder != null )
responder.handleFault( fault );
}
};
}
private static class FacebookBundle
{
String accessToken;
Date expirationDate;
Set permissions;
String socialUserId;
FacebookBundle( GraphResponse response, AccessToken accessToken )
{
JSONObject jsonObj = response.getJSONObject();
if ( jsonObj == null )
throw new IllegalArgumentException( ExceptionMessage.NULL_FACEBOOK_RESPONSE_OBJECT );
expirationDate = accessToken.getExpires();
this.accessToken = accessToken.getToken();
permissions = accessToken.getPermissions();
try
{
socialUserId = jsonObj.getString( "id" );
}
catch( JSONException e )
{
throw new IllegalArgumentException( ExceptionMessage.NULL_FACEBOOK_USER_ID );
}
}
}
}