flutter-layout

问题 I'm battling an issue where I'm given the error " Object was given an infinite size during layout " and "This probably means that it is a render object that tries to be as big as possible, but it was put inside another render object that allows its children to pick their own size.". I understand what it means, but not how I can still keep my current widget tree responsive (it renders when running, so for a front-end user there seems to be no problem) while still fixing this issue. Currently I

问题 After the flutter 1.22 update, I am getting an error in Lineargradient colors property it's giving me an error that the name colors parameter isn't defined..I am getting this error everywhere in the project after the update of flutter and flutter plugin in android studio. 回答1: Restarting your Android Studio should fix this issue. This is because in Dart 2.10, required becomes a keyword (previously was @required ). The IDE probably doesn't recognize that you've updated the Dart SDK. 回答2: run

问题 As we are having android:textAllCaps="true" feature in Android's Textview, how can we give this same feature in Text() Widget of Flutter? I know Text('Abc'.toUpperCase()) , is one way but I don't want to do it manually. Is there any property of Text() widget that converts it automatically or any widget that has similar property? 回答1: Use following function for the First word as Caps String getCapitalizeString({String str}) { if (str.length <= 1) { return str.toUpperCase(); } return '${str[0]

问题 As we are having android:textAllCaps="true" feature in Android's Textview, how can we give this same feature in Text() Widget of Flutter? I know Text('Abc'.toUpperCase()) , is one way but I don't want to do it manually. Is there any property of Text() widget that converts it automatically or any widget that has similar property? 回答1: Use following function for the First word as Caps String getCapitalizeString({String str}) { if (str.length <= 1) { return str.toUpperCase(); } return '${str[0]

问题 I want to develop a flutter application where users can download all Videos from Online by one single button and store it local Device then play those videos offline on Flutter apps Using video player? I did this by assets video. But if I use video from assets and build the application then the apk size will bigger. That's why I want to make this flutter application where users open the app and click one single button by button on pressed the list videos downloaded from the predefined server

问题 I want to develop a flutter application where users can download all Videos from Online by one single button and store it local Device then play those videos offline on Flutter apps Using video player? I did this by assets video. But if I use video from assets and build the application then the apk size will bigger. That's why I want to make this flutter application where users open the app and click one single button by button on pressed the list videos downloaded from the predefined server

问题 I am creating one chatting application and there I want to open the emoji keyboard when the user clicks on the emoji icon it will open the emoji keyboard. here are the image and I want to open the emoji keyboard on click on the left side emoji icon. 回答1: Use Emoji Picker for this, below is the complete example import 'package:emoji_picker/emoji_picker.dart'; import 'package:flutter/material.dart'; void main() => runApp(MainApp()); class MainApp extends StatelessWidget { @override Widget build

问题 I have been trying to make a new app being a beginner. So, adding shadows to things is completely new to me. So, Following is my code: Container( child: Row( mainAxisAlignment: MainAxisAlignment.start, children: <Widget>[ ClipOval( child: Material( color: Colors.white, // button color child: InkWell( // splashColor: Colors.red, // inkwell color child: SizedBox( width: 46, height: 46, child: Icon(Icons.menu,color: Colors.red,),), onTap: () {}, ), ), ), ], ), ), Following is the mock: 回答1: You

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 23 days ago . Improve this question I'm new to flutter but I have a curiosity. Considering the typical bootstrap admin UI that you can find online and the typical left menu, how would you recreate that with flutter? I'm particularly interested on a left menu that can be resized clicking on a button and on a sub

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 23 days ago . Improve this question I'm new to flutter but I have a curiosity. Considering the typical bootstrap admin UI that you can find online and the typical left menu, how would you recreate that with flutter? I'm particularly interested on a left menu that can be resized clicking on a button and on a sub