WebJun 9, 2024 · final surveyDateController = TextEditingController (); The data is coming from _data.leadSurvey [0].title which is loaded from an API. Once the data is loaded I am calling the setState method as follows: setState ( () { _data = data; }); But the data in the TextFormField is not getting updated. Tried using the initialValue property but it ... WebMay 29, 2024 · User will first enter the data, it will be empty by default and when the user will again come back to this screen the user should be shown the previous saved data that's exactly what I want. Here's my code: final TextEditingController _peopletohangoutwithController = TextEditingController ();// Controller. // rest of the code.
initialValue property - FormField class - widgets library - Dart API
WebApr 11, 2024 · 大家好,我是练习时长1年的Flutter练习生,渣渣法,喜欢写bug,发鸡汤,当吃播。 一晃眼,入坑Flutter已经一年的时间,Flutter Candies 全家桶也从我一个人到现 … WebJan 16, 2024 · 为了方便使用,Flutter提供了一个TextFormField组件,它继承自FormField类,也是TextField的一个包装类,所以除了FormField定义的属性之外,它还包括TextField的属性。 FormState. FormState为Form的State类,可以通过Form.of()或GlobalKey获得。 sly hollow
Flutter Failed assertion:
WebMay 30, 2024 · flutter / flutter Public Notifications Fork TextFormField Android "Failed assertion: 'initialValue == null controller == null': is not true." Despite controller being null in debug. #18044 Closed msmiech opened this issue on May 30, 2024 · 15 comments msmiech commented on May 30, 2024 • edited WebOct 28, 2024 · 1 Answer Sorted by: 2 In your initState, you can set the initial value of the controller. @override void initState () { super.initState (); phone_controller.text = 'phone_no'; } phone_controller now has a default value; Share Improve this answer Follow answered Oct 28, 2024 at 16:43 Peter Obiechina 2,606 1 6 14 Add a comment Your Answer WebApr 3, 2024 · initialValue(val) { return TextEditingController(text: val); } Then, set this function as the controller for the TextInput and supply its initial value there like this: controller: initialValue('Some initial value here....') You can repeat this for … sly humor meaning