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

Here i have used the little bit of code to hide and show hint may be it'll be helpful.

txt_username.setOnFocusChangeListener(new OnFocusChangeListener() {

            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if(txt_username.getText().toString().isEmpty()){
                    if(hasFocus){
                        txt_username.setHint("");
                    }else{
                        txt_username.setHint(R.string.username);
                    }
                }
            }
        });