Add basic twitter functionality

res/values/strings.xml

@@ -12,5 +12,7 @@
     <string name="alerts_check_organizations">Organizations</string>
     <string name="alerts_check_university">University</string>
     <string name="home_label_recent_alerts">Recent Alerts:</string>
+    <string name="gameday_handle">UNCCGameDay</string>
+    <string name="university_handle">unccharlotte</string>
 
 </resources>

src/com/uncc/gameday/activities/Alerts.java

@@ -1,5 +1,14 @@
 package com.uncc.gameday.activities;
 
+import java.util.Iterator;
+import java.util.List;
+
+import twitter4j.Paging;
+import twitter4j.Status;
+import twitter4j.Twitter;
+import twitter4j.TwitterException;
+import twitter4j.TwitterFactory;
+
 import com.uncc.gameday.R;
 
 import android.content.Context;
@@ -11,6 +20,7 @@ import android.widget.Toast;
 public class Alerts extends MenuActivity {
 	
 	Context ctx;
+	int maxTweets = 5; // Most tweets at a time from any source
 
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
@@ -40,15 +50,68 @@ public class Alerts extends MenuActivity {
 	}
 	
 	private void fetchOrganizationAlerts() {
-		// Process fetching organization alerts (alerts retweeted by us) 
+		// Process fetching organization alerts (alerts retweeted by us)
+		int duration = Toast.LENGTH_SHORT;
+		
+		try {
+			String handle = getString(R.string.gameday_handle);
+			Twitter twitter = TwitterFactory.getSingleton();
+			List<Status> statuses = twitter.getUserTimeline(handle, new Paging(1, maxTweets));
+			
+			// Filter for anything created by us (retweet)
+			for (Iterator<Status> it = statuses.iterator(); it.hasNext();){
+				// May need to switch to isRetweetByMe (documentation is awful)
+				if (!it.next().isRetweet())
+					it.remove();
+			}
+			
+			// List contains all valid alerts now
+			
+		} catch (TwitterException e) {
+			Toast.makeText(this.ctx, "Unable to fetch alerts for organizations!\nAre you connected to the internet?", duration).show();
+			e.printStackTrace();
+		}
 	}
 	
 	private void fetchUniversityAlerts() {
 		// Process fetching university alerts
+		int duration = Toast.LENGTH_SHORT;
+		
+		try {
+			String handle = getString(R.string.university_handle);
+			Twitter twitter = TwitterFactory.getSingleton();
+			List<Status> statuses = twitter.getUserTimeline(handle, new Paging(1, maxTweets));
+			
+			// List contains all valid alerts now
+			
+		} catch (TwitterException e) {
+			Toast.makeText(this.ctx, "Unable to fetch alerts for the University!\nAre you connected to the internet?", duration).show();
+			e.printStackTrace();
+		}
 	}
 	
 	private void fetchGamedayAlerts() {
 		// Process fetching alerts generated by staff of UNCCGameDay
+		int duration = Toast.LENGTH_SHORT;
+		
+		try {
+			String handle = getString(R.string.gameday_handle);
+			Twitter twitter = TwitterFactory.getSingleton();
+			List<Status> statuses = twitter.getUserTimeline(handle, new Paging(1, maxTweets));
+			
+			// Filter out anything not from us
+			for (Iterator<Status> it = statuses.iterator(); it.hasNext();){
+				// May need to switch to isRetweetByMe (documentation is awful)
+				if (it.next().isRetweet())
+					it.remove();
+			}
+			
+			// List contains all valid alerts now.
+			
+		} catch (TwitterException e) {
+			Toast.makeText(this.ctx, "Unable to fetch alerts from Gameday!\nAre you connected to the internet?", duration).show();
+			e.printStackTrace();
+		}
 	}
 	
 	public void onClickTimedAlerts(View view) {