Categories are now fully working.

src/com/studentersamfundet/app/DataHandler.java

@@ -1,10 +1,14 @@
 package com.studentersamfundet.app;
 
 import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
 
 public class DataHandler {
-	private LinkedList<Event> events = new LinkedList<Event>();
-
+	private List<Event> events = new LinkedList<Event>();
+	private Set<String> categories = new TreeSet<String>();
+	
 	public void insert(String id, String title, String description, String date, String location, String text, String category) {
 		int intId = Integer.parseInt(id);
 		if (get(intId) != null)
@@ -12,6 +16,7 @@ public class DataHandler {
 		
 		Event e = new Event(intId, title, description, date, location, text, category);
 		events.add(e);
+		categories.add(category);
 	}
 	
 	public Event get(int id) {
@@ -35,4 +40,8 @@ public class DataHandler {
 		}
 		return sorted.toArray(new Event[sorted.size()]);
     }
+	
+	public String[] getCategories() {
+		return categories.toArray(new String[categories.size()]);
+	}
 }

src/com/studentersamfundet/app/ui/ChooseCategoryDialog.java

@@ -28,7 +28,7 @@ public class ChooseCategoryDialog extends Dialog {
 		}
 	}
 	
-	public ChooseCategoryDialog(Context context, Callback callback) {
+	public ChooseCategoryDialog(Context context, Callback callback, String[] categories) {
 		super(context);
 		
 		if (callback == null)
@@ -39,15 +39,10 @@ public class ChooseCategoryDialog extends Dialog {
 		setContentView(R.layout.choose_category_dialog);
     	setTitle("Choose category");
     	setOnDismissListener(new OnDismiss());
-    	populateList(context);
+    	populateList(context, categories);
 	}
 	
-	private void populateList(Context context) {
-		final String[] categories = new String[] {
-			Event.ALL,
-			"film"
-		};
-		
+	private void populateList(Context context, final String[] categories) {
 		ListView list = (ListView)findViewById(R.id.choose_category_list);
 		list.setAdapter(new ArrayAdapter<String>(context, R.layout.choose_category_list_row, R.id.choose_category_list_row_text, categories));
 		list.setOnItemClickListener(new OnItemClickListener() {

src/com/studentersamfundet/app/ui/ProgramListActivity.java

@@ -143,15 +143,16 @@ public class ProgramListActivity extends BaseDnsActivity {
     }
     
     protected void createCategoryDialog() {
-    	Dialog dialog = new ChooseCategoryDialog(this, new Callback() {
+    	Callback callback = new Callback() {
 			public void run(String... message) {
 				if (message.length < 1) 
 					message = new String[] { Event.ALL };
 				
 				ProgramListActivity.this.createList(message[0], false);
 			}
-		});
+		};
     	
+    	Dialog dialog = new ChooseCategoryDialog(this, callback, dataHandler.getCategories());
     	dialog.show();
     }
 }