분류 전체보기 (42) 썸네일형 리스트형 oracle developer download docker .yml 파일 Flutter How to get value from TextFormField. Create a Form with a GlobalKey. Add a TextFormField with validation logic. Create a button to validate and submit the form. First Step, Add final _formKey = new GlobalKey(); // it is for defining a Key that contains the state Next add child: new Form( key : _formKey, child: new ListView( shrinkWrap: true, children: [ showEmailInput(), showPasswordInput(), showPrimaryButton(context), ], ), )); //.. 이전 1 ··· 3 4 5 6 다음