Android: Check if EditText is Empty when inputType is set on Number/Phone

Question

I have an EditText in android for users to input their AGE. It is set an inputType=phone. I would like to know if there is a way to check if this EditText is null

Answer 1

Simply do the following

String s = (EditText) findViewByID(R.id.age)).getText().toString();
TextUtils.isEmpty(s);