It looks like you have some hardcoded data. I would move that to resources. You can use some kind of JSON or XML format to store that.
Another thing I would do is split classes into packages. Usually you would have one for UI layer, one for data layer etc.
It looks like you have some hardcoded data. I would move that to resources. You can use some kind of JSON or XML format to store that.
Another thing I would do is split classes into packages. Usually you would have one for UI layer, one for data layer etc.