how to make hint disappear when edittext is touched?

Question

In my application in android are many EditText fields. And I ran into a problem with hint. It is not disappearing when EditText is focused, but it disappears when I start to

Answer 1

Try

EditText editText = (EditText) findViewById(...);
editText.setHint("");

in your onTouch logic.
However your hint must be dissapearing when you clicked on edit text. So re-check your app logic.