I'm trying to create a writer's goal-setting android app where the user can put in a goal number ("Write X words"), and then the app will track their progress. I want the user to be able to select a box (right now I have a counter there, but a different object might be better), type in any number they want, and then the app will store that number as a value (so it can compare the daily progress input until the user has reached their goal). I'm not sure how to get it to do that, however. Any help?

Thanks!