Any answer to such a question is at least a little 'how long is a piece of string' in nature. It might help if you added some examples. How competent is compet

Any answer to such a question is at least a little 'how long is a piece of string' in nature. It might help if you added some examples. How competent is competent. How hard is hard. From where you started, how long did it take to be able to create a basic own use app with a quanta of usefulness. If it makes it easier, compare it to starting in php. In the time it would take a non web programmer to learn enough to make a do list app, how far would you get in android?