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

This is my solution:

final EditText editText = (EditText) findViewById(R.id.activity_edittext);
editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
    @Override
    public void onFocusChange(View v, boolean hasFocus) {
        if (hasFocus) {
            editText .setHint("my little hint");
        } else {
            editText .setHint("");
        }
    }
});