I created TwitterServices.java to handle the twitter services.

the reason why it was failing before is that i created a request token to get an auth url, and then i would create a new one when i get the auth code.
finished twitter intergration

TravelPost/ChangeLog.txt

@@ -0,0 +1,2 @@
+I created TwitterServices.java to handle the twitter services.
+the reason why it was failing before is that i created a request token to get an auth url, and then i would create a new one when i get the auth code.

TravelPost/src/com/TwentyCodes/android/TravelPost/LocationReceiver.java

@@ -13,6 +13,7 @@ import android.content.Intent;
 import android.location.Location;
 import android.os.PowerManager;
 import android.os.PowerManager.WakeLock;
+import android.util.Log;
 import android.widget.Toast;
 
 /**
@@ -46,13 +47,11 @@ public class LocationReceiver extends BroadcastReceiver{
 	private void onLocationUpdate(Location location) {
 		//TODO something with the location i.e. report location to social services like twitter, ect...
 		try {
-			TravelPost.tweet(location.toString());
+			Log.d(TravelPost.TAG, TwitterServices.tweet(mContext, location.getLatitude() +", "+ location.getLongitude() +" ± "+ location.getAccuracy()+"m").toString());	
 		} catch (TwitterException e) {
 			Toast.makeText(mContext, e.getMessage(), Toast.LENGTH_LONG);
 			e.printStackTrace();
 		}
-		
-		
 		removeWakeLock();
 	}
 

TravelPost/src/com/TwentyCodes/android/TravelPost/TravelPost.java

@@ -6,22 +6,14 @@
  */
 package com.TwentyCodes.android.TravelPost;
 
-import twitter4j.Twitter;
 import twitter4j.TwitterException;
-import twitter4j.TwitterFactory;
-import twitter4j.conf.ConfigurationBuilder;
-import twitter4j.http.AccessToken;
-import twitter4j.http.RequestToken;
 import android.app.Activity;
-import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceActivity;
 import android.util.Log;
-import android.widget.Toast;
 
 /**
  * Main activity for the Travel Post widget. 
@@ -31,15 +23,10 @@ import android.widget.Toast;
 public class TravelPost extends PreferenceActivity implements OnPreferenceClickListener {
 
 	private PostMortemReportExceptionHandler mExceptionReport = new PostMortemReportExceptionHandler(this);
-	private Twitter twitter;
+	private TwitterServices mTwitterServices = null;
-	private static SharedPreferences shared_prefs;
 	public static final String SETTINGS = "settings";
 	private static final int TWITTER_AUTH_REQUEST_CODE = 0;
-	public static final String TWITTER_AUTH_TOKEN = "twitter_token";
+	static final String TAG = "TravelPost";
-	public static final String TWITTER_AUTH_SECRET = "twitter_secret";
-	private static final String TC_TEST_OAUTH_KEY = "kmmcF8rjO4Aj9W4g8ao8ow";
-	private static final String TC_TEST_OAUTH_SECRET = "5pgeFWHd7dkde284ed7NsRuIVsyeOvioXR0tVxp9K8";
-	private static final String TAG = "TravelPost";
 
 	/**
 	 * called when the activity is first created
@@ -54,8 +41,6 @@ public class TravelPost extends PreferenceActivity implements OnPreferenceClickL
 		mExceptionReport.run();
 		Thread.setDefaultUncaughtExceptionHandler(mExceptionReport);
 
-		shared_prefs = getSharedPreferences(SETTINGS, 0);
-
 		// load preferences xml
 		this.addPreferencesFromResource(R.xml.settings);
 		
@@ -64,13 +49,10 @@ public class TravelPost extends PreferenceActivity implements OnPreferenceClickL
 
 	@Override
 	public boolean onPreferenceClick(Preference preference) {
-		twitter = new TwitterFactory().getInstance();
+		mTwitterServices = new TwitterServices(this);
-	    twitter.setOAuthConsumer(TC_TEST_OAUTH_KEY, TC_TEST_OAUTH_SECRET);
+		try {
-	    try {
+			this.startActivityForResult(new Intent(this, WebAuth.class).putExtra(WebAuth.AUTH_URL, mTwitterServices.getAuthorizationURL()), TWITTER_AUTH_REQUEST_CODE);
-			RequestToken requestToken = twitter.getOAuthRequestToken();
-			this.startActivityForResult(new Intent(this, WebAuth.class).putExtra(WebAuth.AUTH_URL, requestToken.getAuthorizationURL()), TWITTER_AUTH_REQUEST_CODE);
 		} catch (TwitterException e) {
-			Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG);
 			e.printStackTrace();
 		}
 		return false;
@@ -95,41 +77,13 @@ public class TravelPost extends PreferenceActivity implements OnPreferenceClickL
 		if(resultCode == Activity.RESULT_OK)
 			switch(requestCode){
 				case TWITTER_AUTH_REQUEST_CODE:
-					try {
+				try {
-						Log.v(TAG,"twitter auth case");
+					mTwitterServices.saveAuthorizationTokens(authCode);
-						AccessToken accessToken = null;
+				} catch (TwitterException e) {
-						twitter = new TwitterFactory().getInstance();
+					e.printStackTrace();
-					    twitter.setOAuthConsumer(TC_TEST_OAUTH_KEY, TC_TEST_OAUTH_SECRET);
+				}
-						accessToken = twitter.getOAuthAccessToken(twitter.getOAuthRequestToken(), authCode);
-						Log.d(TAG, accessToken.getToken());
-						Log.d(TAG, accessToken.getTokenSecret());
-						Log.v(TAG,"saving twitter tokens");
-						shared_prefs = getSharedPreferences(SETTINGS, Context.MODE_PRIVATE);
-						shared_prefs.edit().putString(TWITTER_AUTH_TOKEN, accessToken.getToken()).commit();
-						shared_prefs.edit().putString(TWITTER_AUTH_SECRET, accessToken.getTokenSecret()).commit();
-					} catch (TwitterException e) {
-						Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG);
-						e.printStackTrace();
-					}
 					break;
 			}
 	}
 	
-	/**
-	 * posts a tweet to twitter
-	 * @param msg
-	 * @throws TwitterException
-	 * @author ricky barrette
-	 */
-	public static void tweet(String msg) throws TwitterException{
-		ConfigurationBuilder cb = new ConfigurationBuilder();
-		cb.setDebugEnabled(true);
-		cb.setOAuthConsumerKey(TWITTER_AUTH_TOKEN).setOAuthConsumerSecret(TWITTER_AUTH_SECRET); 
-		cb.setOAuthAccessToken(shared_prefs.getString(TWITTER_AUTH_TOKEN, ""));
-		cb.setOAuthAccessTokenSecret(shared_prefs.getString(TWITTER_AUTH_SECRET, ""));
-		TwitterFactory tf = new TwitterFactory(cb.build());
-		Twitter twitter = tf.getInstance();
-		twitter.updateStatus(msg);
-	}
-	
 }

TravelPost/src/com/TwentyCodes/android/TravelPost/TwitterServices.java

@@ -0,0 +1,95 @@
+/**
+ * TwitterServices.java
+ * @date Jan 30, 2011
+ * @author ricky barrette
+ * @author Twenty Codes, LLC
+ */
+package com.TwentyCodes.android.TravelPost;
+
+import twitter4j.Status;
+import twitter4j.Twitter;
+import twitter4j.TwitterException;
+import twitter4j.TwitterFactory;
+import twitter4j.conf.ConfigurationBuilder;
+import twitter4j.http.AccessToken;
+import twitter4j.http.RequestToken;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.util.Log;
+
+/**
+ * A convince class for working with the twitter4j API
+ * @author ricky barrette
+ */
+public class TwitterServices {
+	
+	public static final String TWITTER_AUTH_TOKEN = "twitter_token";
+	public static final String TWITTER_AUTH_SECRET = "twitter_secret";
+	private static final String TC_TEST_OAUTH_KEY = "CFYYGtuYjEHmwycZIhYS3Q";
+	private static final String TC_TEST_OAUTH_SECRET = "Sf8nUTImllxET4SYriQ6e4YOLK4i8UUmO3x0tcPqhU";
+	private Twitter twitter;
+	private static SharedPreferences shared_prefs;
+	private RequestToken requestToken;
+	
+	/**
+	 * Posts a tweet to twitter. <p>
+	 * You need to authorize your application first
+	 * @param msg
+	 * @throws TwitterException
+	 * @author ricky barrette
+	 * @return Status
+	 */
+	public static Status tweet(Context context, String msg) throws TwitterException{
+		shared_prefs = context.getSharedPreferences(TravelPost.SETTINGS, 0);
+//		Log.d(TravelPost.TAG, shared_prefs.getString(TWITTER_AUTH_TOKEN, ""));
+//		Log.d(TravelPost.TAG, shared_prefs.getString(TWITTER_AUTH_SECRET, ""));
+		ConfigurationBuilder cb = new ConfigurationBuilder();
+		cb.setDebugEnabled(true);
+		cb.setOAuthConsumerKey(TC_TEST_OAUTH_KEY);
+		cb.setOAuthConsumerSecret(TC_TEST_OAUTH_SECRET);
+		cb.setOAuthAccessToken(shared_prefs.getString(TWITTER_AUTH_TOKEN, ""));
+		cb.setOAuthAccessTokenSecret(shared_prefs.getString(TWITTER_AUTH_SECRET, ""));
+		TwitterFactory tf = new TwitterFactory(cb.build());
+		Twitter twitter = tf.getInstance();
+		return twitter.updateStatus(msg);
+	}
+	
+	/**
+	 * Creates a new TwitterServices. <p>
+	 * Initialization of this object is only needed for authorization, posting can be done statically once the users tokens are stored.
+	 * @author ricky barrette
+	 */
+	public TwitterServices(Context context) {
+		shared_prefs = context.getSharedPreferences(TravelPost.SETTINGS, 0);
+		twitter = new TwitterFactory().getInstance();
+		twitter.setOAuthConsumer(TC_TEST_OAUTH_KEY, TC_TEST_OAUTH_SECRET);
+	}
+	
+	/**
+	 * @return Authorization URL
+	 * @throws TwitterException
+	 * @author ricky barrette
+	 */
+	public String getAuthorizationURL() throws TwitterException{
+		requestToken = twitter.getOAuthRequestToken();
+		return requestToken.getAuthorizationURL();
+	}
+	
+	/**
+	 * Saves the authorization tokens for future use
+	 * @param authorizationCode
+	 * @return true if save was successful
+	 * @throws TwitterException
+	 * @author ricky barrette
+	 */
+	public boolean saveAuthorizationTokens(String authorizationCode) throws TwitterException{
+		AccessToken accessToken = twitter.getOAuthAccessToken(requestToken, authorizationCode);
+		Log.v(TravelPost.TAG,"saving twitter tokens");
+		Editor e = shared_prefs.edit();
+		e.putString(TWITTER_AUTH_TOKEN, accessToken.getToken()).commit();
+		e.putString(TWITTER_AUTH_SECRET, accessToken.getTokenSecret()).commit();
+		return e.commit();
+	}
+
+}