Android Open Source - spring-android-samples Twitter Tweet 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.
 */*from  w  ww. j  a va  2s  .c o m*/
 * 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 org.springframework.social.twitter.api.Twitter;

import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

/**
 * @author Roy Clarkson
 */
public class TwitterTweetActivity extends AbstractAsyncActivity {

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

  private Twitter twitter;

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

    // Initiate the POST request when the button is clicked
    final Button button = (Button) findViewById(R.id.button_tweet);
    button.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        // hide the soft keypad
        InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
        EditText editText = (EditText) findViewById(R.id.edit_text_tweet);
        inputMethodManager.hideSoftInputFromWindow(editText.getWindowToken(), 0);
        new PostTweetTask().execute();
      }
    });
  }

  // ***************************************
  // Private methods
  // ***************************************
  private void showResult(String result) {
    Toast.makeText(this, result, Toast.LENGTH_LONG).show();
  }

  // ***************************************
  // Private classes
  // ***************************************
  private class PostTweetTask extends AsyncTask<Void, Void, String> {

    private String tweetText;

    @Override
    protected void onPreExecute() {
      showProgressDialog("Updating Status...");

      // retrieve the tweet text from the EditText field
      EditText editText = (EditText) findViewById(R.id.edit_text_tweet);
      tweetText = editText.getText().toString();
    }

    @Override
    protected String doInBackground(Void... params) {
      try {
        twitter.timelineOperations().updateStatus(tweetText);
        return "Status updated";
      } catch (Exception e) {
        Log.e(TAG, e.getLocalizedMessage(), e);
        return "An error occurred. See the log for details";
      }
    }

    @Override
    protected void onPostExecute(String result) {
      dismissProgressDialog();
      showResult(result);
    }

  }

}

Java Source Code List