_addContact(){
    Contact contact = new Contact();
    buildShowRoundedModalBottomSheet(
      context,
      'Add contact',
      editContact(contact),
      'contact',
      () => _updateContactList(contact)
    );
}

editContact(Contact contact){
  return Padding(
      padding: const EdgeInsets.only(top: 12.0),
      child: Column(
        children: <Widget>[
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              SizedBox(
                width: MediaQuery.of(context).size.width * 0.9,
                child: TextField(
                  controller: contact._contactRelationController,
                  decoration: InputDecoration(
                    hintText: contact._contactRelationController.text,
                  ),
                ),
              ),
            ],
          ),
       ]
     )
  )
}```
I thought that the controller of a textfield would be updated everytime its text property changes but its seems that it's not the case