android.database.DataSetObservable#com.twitter.sdk.android.core.Result源码实例Demo

public Observable<Boolean> sendTweet(String tweetText) {
    return Observable.create(subscriber -> {
        Callback<Tweet> callback = new Callback<Tweet>() {
            @Override
            public void success(Result<Tweet> result) {
                Log.i(TAG, "Tweet tweeted");
                subscriber.onNext(true);
            }

            @Override
            public void failure(TwitterException e) {
                Log.e(TAG, e.getMessage(), e);
                subscriber.onError(e);
            }
        };

        getStatusesService().update(tweetText, null, null, null, null, null, null, null, null).enqueue(callback);
    });
}
 

private void handleSuccess(final TwitterSession session) {
    TwitterApiClient twitterApiClient = TwitterCore.getInstance().getApiClient();
    AccountService accountService = twitterApiClient.getAccountService();
    call = accountService.verifyCredentials(false, true, true);
    call.enqueue(new Callback<User>() {
        @Override
        public void success(Result<User> userResult) {
            SocialMediaUser user = new SocialMediaUser();
            User data = userResult.data;
            user.setUserId(String.valueOf(data.getId()));
            user.setAccessToken(session.getAuthToken().token);
            user.setProfilePictureUrl(String.format(PROFILE_PIC_URL, data.screenName));
            user.setEmail(data.email != null ? data.email : "");
            user.setFullName(data.name);
            user.setUsername(data.screenName);
            user.setPageLink(String.format(PAGE_LINK, data.screenName));
            handleSuccess(SocialMediaSignUp.SocialMediaType.TWITTER, user);
        }

        public void failure(TwitterException error) {
            handleError(error);
        }
    });
}
 

@Override
public void success(Result<TwitterSession> result) {
    TwitterSession session = result.data;
    TwitterAuthToken authToken = session.getAuthToken();
    String token = authToken.token;
    String secret = authToken.secret;
    AccessToken tempToken = new AccessToken.Builder(token)
            .secret(secret)
            .userName(session.getUserName())
            .userId(String.valueOf(session.getUserId()))
            .build();
    if (additionalEmailRequest) {
        requestEmail(session, tempToken);
    } else {
        accessToken = tempToken;
        callLoginSuccess();
    }

}
 

private void requestEmail(final TwitterSession session, final AccessToken tempToken) {
    TwitterAuthClient authClient = new TwitterAuthClient();
    authClient.requestEmail(session, new Callback<String>() {
        @Override
        public void success(Result<String> result) {
            final String email = result.data;
            if (TextUtils.isEmpty(email)) {
                logout();
                callLoginFailure("Before fetching an email, ensure that 'Request email addresses from users' is checked for your Twitter app.");
                return;
            }
            accessToken = new AccessToken.Builder(tempToken).email(email).build();
            callLoginSuccess();
        }

        @Override
        public void failure(TwitterException exception) {
            Log.e("TwitterNetwork", "Before fetching an email, ensure that 'Request email addresses from users' is checked for your Twitter app.");
            callLoginFailure(exception.getMessage());
        }
    });
}
 

private void twitter() {
    TwitterConfig config = new TwitterConfig.Builder(this)
            .logger(new DefaultLogger(Log.DEBUG))
            .twitterAuthConfig(new TwitterAuthConfig(getResources().getString(R.string.com_twitter_sdk_android_CONSUMER_KEY), getResources().getString(R.string.com_twitter_sdk_android_CONSUMER_SECRET)))
            .debug(true)
            .build();
    Twitter.initialize(config);
    twitterLoginButton.setCallback(new Callback<TwitterSession>() {
        @Override
        public void success(Result<TwitterSession> result) {
            Log.d(TAG, "twitterLogin:success" + result);
            handleTwitterSession(result.data);
        }

        @Override
        public void failure(TwitterException exception) {
            Log.w(TAG, "twitterLogin:failure", exception);

        }
    });
}
 

@ReactMethod
public void login(final Callback callback) {

    loginButton = new TwitterLoginButton(getCurrentActivity());
    loginButton.setCallback(new com.twitter.sdk.android.core.Callback<TwitterSession>() {
        @Override
        public void success(Result<TwitterSession> sessionResult) {
            WritableMap result = new WritableNativeMap();
            result.putString("authToken", sessionResult.data.getAuthToken().token);
            result.putString("authTokenSecret",sessionResult.data.getAuthToken().secret);
            result.putString("userID", sessionResult.data.getUserId()+"");
            result.putString("userName", sessionResult.data.getUserName());
            callback.invoke(null, result);
        }

        @Override
        public void failure(TwitterException exception) {
            exception.printStackTrace();
            callback.invoke(exception.getMessage());
        }
    });

    loginButton.performClick();
}
 

public void next(Long maxPosition) {
    if (!mTimelineStateHolder.startTimelineRequest()) {
        return;
    }
    mTimeline.next(maxPosition, new Callback<TimelineResult<Tweet>>() {
        @Override
        public void success(Result<TimelineResult<Tweet>> result) {
            mTimelineStateHolder.setNextCursor(result.data.timelineCursor);
            mTweets.addAll(0, result.data.items);

            mNextSubject.onNext(new DataSetInsertResult(0, result.data.items.size()));

            mTimelineStateHolder.finishTimelineRequest();
        }

        @Override
        public void failure(TwitterException e) {
            mNextSubject.onError(e);

            mTimelineStateHolder.finishTimelineRequest();
        }
    });
}
 

private void fetchPrevious(Long minPosition) {
    mTimeline.previous(minPosition, new Callback<TimelineResult<Tweet>>() {
        @Override
        public void success(Result<TimelineResult<Tweet>> result) {
            mTimelineStateHolder.setPreviousCursor(result.data.timelineCursor);
            if (mRefreshing) {
                mTweets.clear();
            }
            int position = mTweets.size();
            mTweets.addAll(result.data.items);

            mPreviousSubject.onNext(new DataSetInsertResult(position, result.data.items.size()));

            mTimelineStateHolder.finishTimelineRequest();
            mRefreshing = false;
        }

        @Override
        public void failure(TwitterException e) {
            mPreviousSubject.onError(e);

            mTimelineStateHolder.finishTimelineRequest();
            mRefreshing = false;
        }
    });
}
 

/**
 * loadTweet wraps TweetUtils.loadTweet with a callback that ensures the view is given a
 * known id to simplify UI automation testing.
 */
private void loadTweet(long tweetId, final ViewGroup container, final int viewId) {
    final Callback<Tweet> singleTweetCallback = new Callback<Tweet>() {
        @Override
        public void success(Result<Tweet> result) {
            final Context context = getActivity();
            if (context == null) return;
            final Tweet tweet = result.data;
            final BaseTweetView tv = new TweetView(context, tweet,
                    R.style.tw__TweetLightWithActionsStyle);
            tv.setOnActionCallback(actionCallback);
            tv.setId(viewId);
            container.addView(tv);
        }

        @Override
        public void failure(TwitterException exception) {
            Log.e(TAG, "loadTweet failure", exception);
        }
    };
    TweetUtils.loadTweet(tweetId, singleTweetCallback);
}
 

/**
 * LoadTweet will trigger a request to the Twitter API and hydrate the view with the result.
 * In the event of an error it will call the listener that was provided to setOnTwitterApiError.
 */
private void loadTweet() {
    final long tweetId = getTweetId();
    // create a callback to setTweet on the view or log a failure to load the Tweet
    final Callback<Tweet> repoCb = new Callback<Tweet>() {
        @Override
        public void success(Result<Tweet> result) {
            setTweet(result.data);
        }

        @Override
        public void failure(TwitterException exception) {
            Twitter.getLogger().d(TAG,
                    String.format(Locale.ENGLISH, TweetUtils.LOAD_TWEET_DEBUG, tweetId));
        }
    };
    dependencyProvider.getTweetUi().getTweetRepository().loadTweet(getTweetId(), repoCb);
}
 

@Test
public void testNewAccessTokenCallback_success() {
    final Callback<OAuthResponse> callback = controller.newRequestAccessTokenCallback();
    final OAuthResponse oAuthResponse = new OAuthResponse(
            new TwitterAuthToken(TestFixtures.TOKEN, TestFixtures.SECRET),
            TestFixtures.SCREEN_NAME, TestFixtures.USER_ID);
    callback.success(new Result<>(oAuthResponse, null));

    final ArgumentCaptor<Intent> intentArgCaptor = ArgumentCaptor.forClass(Intent.class);
    verify(mockListener).onComplete(eq(Activity.RESULT_OK), intentArgCaptor.capture());
    final Intent data = intentArgCaptor.getValue();
    assertEquals(TestFixtures.SCREEN_NAME, data.getStringExtra(AuthHandler.EXTRA_SCREEN_NAME));
    assertEquals(TestFixtures.USER_ID, data.getLongExtra(AuthHandler.EXTRA_USER_ID, 0L));
    assertEquals(TestFixtures.TOKEN, data.getStringExtra(AuthHandler.EXTRA_TOKEN));
    assertEquals(TestFixtures.SECRET, data.getStringExtra(AuthHandler.EXTRA_TOKEN_SECRET));
}
 

/**
 * loadTweets wraps TweetUtils.loadTweets to use a callback that ensures each view is given
 * a known id to simplify UI automation testing.
 */
private void loadTweets(final List<Long> tweetIds, final ViewGroup container,
                        final List<Integer> viewIds) {
    TweetUtils.loadTweets(tweetIds, new Callback<List<Tweet>>() {
        @Override
        public void success(Result<List<Tweet>> result) {
            final Context context = getActivity();
            if (context == null) return;
            for (int i = 0; i < result.data.size(); i++) {
                final BaseTweetView tv = new CompactTweetView(context, result.data.get(i),
                        R.style.tw__TweetDarkWithActionsStyle);
                tv.setOnActionCallback(actionCallback);
                tv.setId(viewIds.get(i));
                container.addView(tv);
            }
        }

        @Override
        public void failure(TwitterException exception) {
            Log.e(TAG, "loadTweets failure " + tweetIds, exception);
        }
    });
}
 

@Test
public void testNext_succeedsWithFixedTweets() {
    final FixedTweetTimeline timeline = new FixedTweetTimeline(fixedTweets);
    timeline.next(ANY_ID, new Callback<TimelineResult<Tweet>>() {
        @Override
        public void success(Result<TimelineResult<Tweet>> result) {
            assertEquals(fixedTweets, result.data.items);
            assertEquals((Long) TestFixtures.TEST_PHOTO_TWEET.getId(),
                    result.data.timelineCursor.minPosition);
            assertEquals((Long) TestFixtures.TEST_TWEET.getId(),
                    result.data.timelineCursor.maxPosition);
            assertNull(result.response);
        }
        @Override
        public void failure(TwitterException exception) {
            fail("Expected FixedTweetTimeline next to always succeed.");
        }
    });
}
 

@Test
public void testNext_succeedsWithEmptyTweets() {
    final FixedTweetTimeline timeline = new FixedTweetTimeline(fixedTweets);
    timeline.previous(ANY_ID, new Callback<TimelineResult<Tweet>>() {
        @Override
        public void success(Result<TimelineResult<Tweet>> result) {
            assertTrue(result.data.items.isEmpty());
            assertNull(result.data.timelineCursor.maxPosition);
            assertNull(result.data.timelineCursor.minPosition);
            assertNull(result.response);
        }

        @Override
        public void failure(TwitterException exception) {
            fail("Expected FixedTweetTimeline previous to always succeed.");
        }
    });
}
 

@Test
public void testFavoriteCallback_failureAlreadyFavorited() {
    final ToggleImageButton mockToggleButton = mock(ToggleImageButton.class);
    // locally unfavorited, but on server the tweet is favorited
    final Tweet tweet = TestFixtures.TEST_TWEET;
    final LikeTweetAction.LikeCallback callback
            = new LikeTweetAction.LikeCallback(mockToggleButton, tweet,
            mockCallback);
    final TwitterApiException alreadyFavoritedException = mock(TwitterApiException.class);
    when(alreadyFavoritedException.getErrorCode()).thenReturn(
            TwitterApiConstants.Errors.ALREADY_FAVORITED);
    // assert that
    // - the failure is treated as a cb success
    // - success result Tweet is marked as favorited
    callback.failure(alreadyFavoritedException);
    final ArgumentCaptor<Result<Tweet>> resultCaptor
            = ArgumentCaptor.forClass(Result.class);
    verify(mockCallback).success(resultCaptor.capture());
    assertEquals(tweet.getId(), resultCaptor.getValue().data.getId());
    assertTrue(resultCaptor.getValue().data.favorited);
}
 

@Test
public void testNextCallback_successReceivedItems() {
    delegate = new TimelineDelegate<>(mockTimeline, mockObservable, testItems);
    final TimelineStateHolder timelineStateHolder = new TimelineStateHolder(
            new TimelineCursor(ANY_POSITION, ANY_POSITION),
            new TimelineCursor(ANY_POSITION, ANY_POSITION));
    final TimelineDelegate.NextCallback cb = delegate.new NextCallback(null,
            timelineStateHolder);
    cb.success(new Result<>(new TimelineResult<>(TEST_TIMELINE_CURSOR, testExtraItems), null));
    // assert the next TimelineCursor is set on the ScrollStateHolder, previous unchanged
    assertEquals(TEST_MAX_POSITION, timelineStateHolder.positionForNext());
    assertEquals(ANY_POSITION, timelineStateHolder.positionForPrevious());
    // assert that extra items were prepended in reverse order
    assertEquals(TOTAL_ITEMS, delegate.itemList.size());
    assertEquals(TEST_ITEM_4, delegate.getItem(0));
    assertEquals(TEST_ITEM_3, delegate.getItem(1));
    assertEquals(TEST_ITEM_2, delegate.getItem(2));
    assertEquals(TEST_ITEM_1, delegate.getItem(3));
    // assert observer's notifyChanged is called
    verify(mockObservable).notifyChanged();
}
 

@Test
public void testRequestEmail_withFailure() {
    final IOException networkException = new IOException("Network failure");
    final Call<User> call = Calls.failure(networkException);
    setupMockAccountService(call);

    authClient.requestEmail(mock(TwitterSession.class), new Callback<String>() {
        @Override
        public void success(Result<String> result) {
            fail("Expected Callback#failure to be called");
        }

        @Override
        public void failure(TwitterException exception) {
            assertEquals(exception.getCause(), networkException);
        }
    });
}
 

@Test
public void testRefreshCallback_successReceivedItems() {
    delegate = new TimelineDelegate<>(mockTimeline, mockObservable, testItems);
    final TimelineStateHolder timelineStateHolder = new TimelineStateHolder(
            new TimelineCursor(ANY_POSITION, ANY_POSITION),
            new TimelineCursor(ANY_POSITION, ANY_POSITION));
    final TimelineDelegate.RefreshCallback cb = delegate.new RefreshCallback(null,
            timelineStateHolder);
    cb.success(new Result<>(new TimelineResult<>(TEST_TIMELINE_CURSOR, testExtraItems), null));
    // assert the next TimelineCursor is set on the ScrollStateHolder, previous unchanged
    assertEquals(TEST_MAX_POSITION, timelineStateHolder.positionForNext());
    assertEquals(ANY_POSITION, timelineStateHolder.positionForPrevious());
    // assert that extra items replaced the old items
    assertEquals(testExtraItems.size(), delegate.itemList.size());
    assertEquals(TEST_ITEM_4, delegate.getItem(0));
    assertEquals(TEST_ITEM_3, delegate.getItem(1));
    // assert observer's notifyChanged is called
    verify(mockObservable).notifyChanged();
}
 

void uploadTweetWithMedia(TwitterSession session, String text, String mediaId) {
    final TwitterApiClient client = dependencyProvider.getTwitterApiClient(session);

    client.getStatusesService().update(text, null, null, null, null, null, null, true, mediaId)
            .enqueue(
                    new Callback<Tweet>() {
                        @Override
                        public void success(Result<Tweet> result) {
                            sendSuccessBroadcast(result.data.getId());
                            stopSelf();
                        }

                        @Override
                        public void failure(TwitterException exception) {
                            fail(exception);
                        }
                    });
}
 

@Test
public void testPreviousCallback_successReceivedItems() {
    delegate = new TimelineDelegate<>(mockTimeline, mockObservable, testItems);
    final TimelineStateHolder timelineStateHolder = new TimelineStateHolder(
            new TimelineCursor(ANY_POSITION, ANY_POSITION),
            new TimelineCursor(ANY_POSITION, ANY_POSITION));
    final TimelineDelegate.PreviousCallback cb
            = delegate.new PreviousCallback(timelineStateHolder);
    cb.success(new Result<>(new TimelineResult<>(TEST_TIMELINE_CURSOR, testExtraItems), null));
    // assert the previous TimelineCursor is set on the ScrollStateHolder
    assertEquals(TEST_MIN_POSITION, timelineStateHolder.positionForPrevious());
    assertEquals(ANY_POSITION, timelineStateHolder.positionForNext());
    // assert that extra items were appended in order received
    assertEquals(TOTAL_ITEMS, delegate.itemList.size());
    assertEquals(TEST_ITEM_2, delegate.getItem(0));
    assertEquals(TEST_ITEM_1, delegate.getItem(1));
    assertEquals(TEST_ITEM_4, delegate.getItem(2));
    assertEquals(TEST_ITEM_3, delegate.getItem(3));
    // assert observer's notifyChanged is called
    verify(mockObservable).notifyChanged();
}
 

@Test
public void testRequestGuestAuthToken_guestAuthSuccess() {

    service.api = new MockOAuth2Api();
    service.requestGuestAuthToken(new Callback<GuestAuthToken>() {
        @Override
        public void success(Result<GuestAuthToken> result) {
            assertEquals(GUEST_TOKEN, result.data);
        }

        @Override
        public void failure(TwitterException error) {
            fail();
        }
    });
}
 

/**
 * Requests the user's email address.
 *
 * @param session the user session
 * @param callback The callback interface to invoke when the request completes. If the user
 *                 denies access to the email address, or the email address is not available,
 *                 an error is returned.
 * @throws java.lang.IllegalArgumentException if session or callback are null.
 */
public void requestEmail(TwitterSession session, final Callback<String> callback) {
    final Call<User> verifyRequest = twitterCore.getApiClient(session).getAccountService()
            .verifyCredentials(false, false, true);

    verifyRequest.enqueue(new Callback<User>() {
        @Override
        public void success(Result<User> result) {
            callback.success(new Result<>(result.data.email, null));
        }

        @Override
        public void failure(TwitterException exception) {
            callback.failure(exception);
        }
    });
}
 

/**
 * Package private for testing.
 */
Callback<OAuthResponse> newRequestTempTokenCallback() {
    return new Callback<OAuthResponse>() {
        @Override
        public void success(Result<OAuthResponse> result) {
            requestToken = result.data.authToken;
            final String authorizeUrl = oAuth1aService.getAuthorizeUrl(requestToken);
            // Step 2. Redirect user to web view to complete authorization flow.
            Twitter.getLogger().d(TwitterCore.TAG,
                    "Redirecting user to web view to complete authorization flow");
            setUpWebView(webView,
                    new OAuthWebViewClient(oAuth1aService.buildCallbackUrl(authConfig),
                            OAuthController.this), authorizeUrl, new OAuthWebChromeClient());
        }

        @Override
        public void failure(TwitterException error) {
            Twitter.getLogger().e(TwitterCore.TAG,
                    "Failed to get request token", error);
            // Create new exception that can be safely serialized since Retrofit errors may
            // throw a NotSerializableException.
            handleAuthError(AuthHandler.RESULT_CODE_ERROR,
                    new TwitterAuthException("Failed to get request token"));
        }
    };
}
 

/**
 * Called when {@link android.app.Activity#onActivityResult(int, int, android.content.Intent)}
 * is called to complete the authorization flow.
 *
 * @param requestCode the request code used for SSO
 * @param resultCode  the result code returned by the SSO activity
 * @param data        the result data returned by the SSO activity
 */
public boolean handleOnActivityResult(int requestCode, int resultCode, Intent data) {
    if (this.requestCode != requestCode) {
        return false;
    }

    final Callback<TwitterSession> callback = getCallback();
    if (callback != null) {
        if (resultCode == Activity.RESULT_OK) {
            final String token = data.getStringExtra(EXTRA_TOKEN);
            final String tokenSecret = data.getStringExtra(EXTRA_TOKEN_SECRET);
            final String screenName = data.getStringExtra(EXTRA_SCREEN_NAME);
            final long userId = data.getLongExtra(EXTRA_USER_ID, 0L);
            callback.success(new Result<>(new TwitterSession(
                    new TwitterAuthToken(token, tokenSecret), userId, screenName), null));
        } else if (data != null && data.hasExtra(EXTRA_AUTH_ERROR)) {
            callback.failure(
                    (TwitterAuthException) data.getSerializableExtra(EXTRA_AUTH_ERROR));
        } else {
            callback.failure(new TwitterAuthException("Authorize failed."));
        }
    }
    return true;
}
 

@Test
public void testCallbackWrapperSuccess() throws IOException {
    final String response = "oauth_token=7588892-kagSNqWge8gB1WwE3plnFsJHAZVfxWD7Vb57p0b4&"
            + "oauth_token_secret=PbKfYqSryyeKDWz4ebtY3o5ogNLG11WJuZBc9fQrQo&"
            + "screen_name=test&user_id=1";
    final Callback<OAuthResponse> callback = new Callback<OAuthResponse>() {
        @Override
        public void success(Result<OAuthResponse> result) {
            final OAuthResponse authResponse = result.data;
            assertEquals("7588892-kagSNqWge8gB1WwE3plnFsJHAZVfxWD7Vb57p0b4",
                    authResponse.authToken.token);
            assertEquals("PbKfYqSryyeKDWz4ebtY3o5ogNLG11WJuZBc9fQrQo",
                    authResponse.authToken.secret);
            assertEquals("test", authResponse.userName);
            assertEquals(1L, authResponse.userId);
        }

        @Override
        public void failure(TwitterException exception) {
            fail();
        }
    };
    setupCallbackWrapperTest(response, callback);
}
 

@Test
public void testCallbackWrapperSuccess_noToken() throws IOException {
    final String response = "oauth_token_secret=PbKfYqSryyeKDWz4ebtY3o5ogNLG11WJuZBc9fQrQo&"
            + "screen_name=test&user_id=1";
    final Callback<OAuthResponse> callback = new Callback<OAuthResponse>() {
        @Override
        public void success(Result<OAuthResponse> result) {
            fail();
        }

        @Override
        public void failure(TwitterException exception) {
            assertNotNull(exception);
        }
    };
    setupCallbackWrapperTest(response, callback);
}
 

@Test
public void testCallbackWrapperSuccess_iOException() throws IOException {
    final Callback<OAuthResponse> callback = new Callback<OAuthResponse>() {
        @Override
        public void success(Result<OAuthResponse> result) {
            fail();
        }

        @Override
        public void failure(TwitterException exception) {
            assertNotNull(exception);
        }
    };
    final Callback<ResponseBody> callbackWrapper = service.getCallbackWrapper(callback);
    final ResponseBody responseBody = ResponseBody.create(MediaType.parse("application/json"), "");
    callbackWrapper.success(new Result<>(responseBody, Response.success(responseBody)));
}
 

@Override
public void doLogin(Activity activity, final LoginListener listener, boolean fetchUserInfo) {
    if (mTwitterAuthClient == null) {
        ShareLogger.i(ShareLogger.INFO.LOGIN_ERROR);
        listener.loginFailure(new Exception(ShareLogger.INFO.LOGIN_ERROR), -1);
        LoginUtil.recycle();
        return;
    }
    ShareLogger.i("twitter doLogin");
    mTwitterAuthClient.authorize(activity, new Callback<TwitterSession>() {
        @Override
        public void success(Result<TwitterSession> result) {
            TwitterToken twitterToken = new TwitterToken(result.data);
            ShareLogger.i(ShareLogger.INFO.LOGIN_AUTH_SUCCESS);
            if (mFetchUserInfo) {
                mLoginListener.beforeFetchUserInfo(twitterToken);
                fetchUserInfo(twitterToken);
            } else {
                mLoginListener.loginSuccess(new LoginResultData(LoginPlatform.TWITTER, twitterToken));
                LoginUtil.recycle();
            }
        }

        @Override
        public void failure(TwitterException exception) {
            mLoginListener.loginFailure(exception, 303);
            LoginUtil.recycle();
        }
    });
}
 

@Override
public void success(Result<Search> result) {
    if (result.data.tweets.size() > 0) {
        rv.setAdapter(new TweetsAdapter(result.data));
        vgMutex.showView(rv);
    }
    else {
        TextView tv = (TextView) vgMutex.findViewById(R.id.tv_no_tweets);
        tv.setText(getString(R.string.fmt_message_no_tweets, hashtag));
        vgMutex.showView(tv);
    }
}
 

void setProfilePhoto() {
    dependencyProvider.getApiClient(session).getAccountService()
            .verifyCredentials(false, true, false).enqueue(new Callback<User>() {
                @Override
                public void success(Result<User> result) {
                    composerView.setProfilePhotoView(result.data);
                }

                @Override
                public void failure(TwitterException exception) {
                    // show placeholder background color
                    composerView.setProfilePhotoView(null);
                }
            });
}