Day 22 - Twitter4j

dependencies {
    compile 'org.twitter4j:twitter4j-core:4.0.2'
}

ConfigurationBuilder cb = new ConfigurationBuilder();
cb.setDebugEnabled(true)
  .setOAuthConsumerKey("")
  .setOAuthConsumerSecret("******************************************")
  .setOAuthAccessToken("**************************************************")
  .setOAuthAccessTokenSecret("******************************************");
TwitterFactory tf = new TwitterFactory(cb.build());
Twitter twitter = tf.getInstance();

private static final String API_KEY = "YOUR_API_KEY";
private static final String API_SECRET = "YOUR_SECRET_KEY";
private static final String ACCESS_TOKEN = "YOUR_ACCESS_TOKEN";
private static final String ACCESS_TOKEN_SECRET = "YOUR_ACCESS_TOKEN_SECRET";

ConfigurationBuilder cb = new ConfigurationBuilder();
cb.setDebugEnabled(true)
        .setOAuthConsumerKey(API_KEY)
        .setOAuthConsumerSecret(API_SECRET)
        .setOAuthAccessToken(ACCESS_TOKEN)
        .setOAuthAccessTokenSecret(ACCESS_TOKEN_SECRET);
TwitterFactory tf = new TwitterFactory(cb.build());
Twitter twitter = tf.getInstance();

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:padding="16dp"
              android:layout_width="match_parent"
              android:layout_height="match_parent">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp">

        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/text_tweet"
            android:layout_alignParentTop="true"
            android:layout_alignParentLeft="true"
            android:layout_toLeftOf="@+id/button_tweet" />

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/tweet"
            android:id="@+id/button_tweet"
            android:layout_alignParentRight="true"/>

        </RelativeLayout>

    <ListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/list_view">
    </ListView>

</LinearLayout>

<resources>
    <string name="tweet">Tweet</string>
</resources>

package com.devahoy.learn30androidlibraries.day22;

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import com.devahoy.learn30androidlibraries.R;

import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

public class Twitter4jActivity extends ActionBarActivity {

    private static final String TAG = Twitter4jActivity.class.getSimpleName();

    private static final String API_KEY = "YOUR_API_KEY";
    private static final String API_SECRET = "YOUR_SECRET_KEY";
    private static final String ACCESS_TOKEN = "YOUR_ACCESS_TOKEN";
    private static final String ACCESS_TOKEN_SECRET = "YOUR_ACCESS_TOKEN_SECRET";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.day22_activity_twitter4j);

        ConfigurationBuilder cb = new ConfigurationBuilder();
        cb.setDebugEnabled(true)
                .setOAuthConsumerKey(API_KEY)
                .setOAuthConsumerSecret(API_SECRET)
                .setOAuthAccessToken(ACCESS_TOKEN)
                .setOAuthAccessTokenSecret(ACCESS_TOKEN_SECRET);
        TwitterFactory factory = new TwitterFactory(cb.build());

        Twitter twitter = factory.getInstance();
        try {
            twitter.updateStatus("Learn to create Simple Tweet with Twitter4J via @Devahoy");
        } catch (TwitterException e) {
            Log.d(TAG, e.toString());
        }

    }
}

401:Authentication credentials (https://dev.twitter.com/pages/auth) were missing or incorrect.
Ensure that you have set valid consumer key/secret, access token/secret, and the system clock is in sync.
    {"request":"\/1.1\/statuses\/update.json","error":"Read-only application cannot POST."}
    Relevant discussions can be found on the Internet at:
    http://www.google.co.jp/search?q=2fc5b7cb or
    http://www.google.co.jp/search?q=0e1dbbf5
    TwitterException{exceptionCode=[2fc5b7cb-0e1dbbf5], statusCode=401,
    message=null, code=-1, retryAfter=-1, rateLimitStatus=null, version=4.0.2}

package com.devahoy.learn30androidlibraries.day22;

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import com.devahoy.learn30androidlibraries.R;

import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

public class Twitter4jActivity extends ActionBarActivity {

    private static final String TAG = Twitter4jActivity.class.getSimpleName();

    private static final String API_KEY = "YOUR_API_KEY";
    private static final String API_SECRET = "YOUR_SECRET_KEY";
    private static final String ACCESS_TOKEN = "YOUR_ACCESS_TOKEN";
    private static final String ACCESS_TOKEN_SECRET = "YOUR_ACCESS_TOKEN_SECRET";

    private TwitterFactory mFactory;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.day22_activity_twitter4j);

        ConfigurationBuilder cb = new ConfigurationBuilder();
        cb.setDebugEnabled(true)
                .setOAuthConsumerKey(API_KEY)
                .setOAuthConsumerSecret(API_SECRET)
                .setOAuthAccessToken(ACCESS_TOKEN)
                .setOAuthAccessTokenSecret(ACCESS_TOKEN_SECRET);
        mFactory = new TwitterFactory(cb.build());

        new AsyncTweet().execute();
    }

    private class AsyncTweet extends AsyncTask<Void, Void, String> {
        @Override
        protected String doInBackground(Void... params) {

            String result = null;
            Twitter twitter = mFactory.getInstance();
            try {
                twitter.updateStatus("Learn to create Simple Tweet with Twitter4J via @Devahoy");
            } catch (TwitterException e) {
                Log.d(TAG, e.toString());
                result = e.getErrorMessage();
            }
            return result;
        }

        @Override
        protected void onPostExecute(String result) {
            super.onPostExecute(result);
            if (result == null) {
                Toast.makeText(Twitter4jActivity.this, "Tweeted!", Toast.LENGTH_LONG).show();
            }

        }
    }
}

public class Twitter4jActivity extends ActionBarActivity {

    private EditText mTweet;
    private Button mButtonTweet;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.day22_activity_twitter4j);

        mTweet = (EditText) findViewById(R.id.text_tweet);
        mButtonTweet = (Button) findViewById(R.id.button_tweet);

        ConfigurationBuilder cb = ...
        ...

        mButtonTweet.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                new AsyncTweet().execute();
            }
        });
    }
}

Twitter twitter = mFactory.getInstance();
List<twitter4j.Status> statuses = twitter.getHomeTimeline();
for (twitter4j.Status status : statuses) {
    // status.getUser().getName()
}

public class Twitter4jActivity extends ActionBarActivity {

    private ListView mListView;
    private ArrayList<String> mTimelines = new ArrayList<String>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.day22_activity_twitter4j);

        mListView = (ListView) findViewById(R.id.list_view);
        ....

        new AsyncTimeline().execute();
    }

    private class AsyncTimeline extends AsyncTask<Void, Void, String> {
        @Override
        protected String doInBackground(Void... params) {

            Twitter twitter = mFactory.getInstance();
            String result = null;
            try {
                List<twitter4j.Status> statuses = twitter.getHomeTimeline();
                for (twitter4j.Status status : statuses) {
                    mTimelines.add(status.getUser().getName() + " : " +
                            status.getText());
                }

            } catch (TwitterException e) {
                Log.d(TAG, e.toString());
                result = e.getErrorMessage();
            }

            return result;
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);

            if (s == null) {
                ArrayAdapter<String> adapter =
                        new ArrayAdapter<String>(Twitter4jActivity.this,
                                android.R.layout.simple_list_item_1, mTimelines);

                mListView.setAdapter(adapter);
            }
        }
    }