return Form( key: _formKey, child: Column( mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.stretch, children: [ TextFormField( decoration: const InputDecoration( labelText: 'Enter your name', ), // use the validator to return an error string (or null) based on the ...
the default textfield height is too big(the padding of top and bottom too big), i want little size, how can i implementation it? i known InputDecoration.collapsed can remove the space, but it can't use prefix and suffix. zoechiaddedc: new featureNothing broken; request for a new capab...
在Flutter 中,TextField 是一个用来输入 文本的 控件。使用起来也很简单,比如这样,就可以轻松实现一个 TextField 来接收用户的输入内容。 1234567 TextField(decoration:constInputDecoration(border:OutlineInputBorder(),labelText:'Contact Name',),) 但是Flutter 是声明式 UI 编程,我们无法像 Android 里那样拿到 T...
In this tutorial, we learned how to add image in Flutter app with practical examples. We also explored how to add/show an image from the internet and cache them so that the image is available in offline mode. We also learned how to preload images to reduce the initial image load time. ...
ElevatedButton( onPressed: null, child: Text("Elevated Button") ) How to Programmatically Enable or Disable Buttons in Flutter import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return Ma...
In this post, we are going to show you different ways to clear flutter build cache. Your project has a very larger project size with build-cache, therefore it is better to clear cache while transferring, or you can also clear cache if the latest configur
Need to know the dx and dy of the current cursor position in the TextField. This is required to implement the mentions/tag functionality, wherein a popup needs to be shown a few pixel below the cursor of the TextField. anirudhagarwal365 added the created via support template label Dec 9...
I have a textfield and I want to know if the user presses the delete button on his keyboard (on screen not raw or external). I tried using onChanged property and it works fine when there's already some text in it. But when the textfield's empty with no text, how do I detect if...