ArrayAdapter possibly causes app to crash

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http://stackoverflow.com – I am having a problem moving forward with my app. I just started developing the app and only have about 15 hours involved so far. But I have hit a snag. Usually I am able to google snags and most of my answers come from this forum! so I hope I can find a solution for this. Below is my activity java file. This is where the issue is as it was working fine before. I have been having a ton of trouble with showing my list using an array adapter. public class Favorites extends Activity{ UserFunctions userFunctions = new UserFunctions(); ArrayList<String> zipcodes = new ArrayList<String& (HowTos)