Android Open Source - spring-android-samples Twitter Timeline Activity

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright 2010-2014 the original author or authors.
 */*w w w .ja  va 2s  . c om*/
 * Licensed 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 org.springframework.android.twitterclient;

import java.util.List;

import org.springframework.social.twitter.api.Tweet;
import org.springframework.social.twitter.api.Twitter;

import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;

/**
 * @author Roy Clarkson
 */
public class TwitterTimelineActivity extends AbstractAsyncListActivity {

  protected static final String TAG = TwitterProfileActivity.class.getSimpleName();

  private Twitter twitter;

  // ***************************************
  // Activity methods
  // ***************************************
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    this.twitter = getApplicationContext().getConnectionRepository().findPrimaryConnection(Twitter.class).getApi();
  }

  @Override
  public void onStart() {
    super.onStart();
    new FetchTimelineTask().execute();
  }

  // ***************************************
  // Private methods
  // ***************************************
  private void showResult(List<Tweet> tweets) {
    TwitterTimelineListAdapter adapter = new TwitterTimelineListAdapter(this, tweets);
    setListAdapter(adapter);
  }

  // ***************************************
  // Private classes
  // ***************************************
  private class FetchTimelineTask extends AsyncTask<Void, Void, List<Tweet>> {

    @Override
    protected void onPreExecute() {
      // before the network request begins, show a progress indicator
      showProgressDialog("Fetching timeline...");
    }

    @Override
    protected List<Tweet> doInBackground(Void... params) {
      try {
        return twitter.timelineOperations().getHomeTimeline();
      } catch (Exception e) {
        Log.e(TAG, e.getLocalizedMessage(), e);
      }
      return null;
    }

    @Override
    protected void onPostExecute(List<Tweet> tweets) {
      // after the network request completes, hide the progress indicator
      dismissProgressDialog();
      showResult(tweets);
    }

  }

}

Java Source Code List