flutter 报错 This error might indicate a memory leak if setState() is being called because another object is reta 在调用 setState 之前对 mounted 进行判断即可 1 2 3 4 5 if(mounted) { setState(() { a = 123; }); }
Animation rendering is one of the most important things for graphics engines. Since Flutter is completely based on such an engine, it is ideal for this. From a developer's perspective, creating animations in Flutter is not black magic but rather a pretty clear process. The framework offers a ...
Flutter - UI上的Firebaser PlatformException处理(ERROR_EMAIL_ALREADY_IN_USE，电子邮件地址已被其他帐户...
In this video you can see for example that the title of the abseil-cpp licence is black but when going on the info page the content uses the grey text from theming. And the powered by Flutter text also uses the right color from theming. this No its the same as before import 'package...
Use case SliverFillRemaining inside CustomScrollView only check previous used space making usage of SliverPadding above not working as expected. I would like to use CustomScrollView padding property to change the constraints of all sub s...
Instead of always combininguseStateanduseEffect, when can create a utilityuseBroadcasterhook which allows us to pass in a broadcaster. export let useBroadcaster = (broadcaster, deps = []) =>{ let [state, setState]= useState(null) useEffect(()=>{ ...
this.setState({refreshing: true}); //server call to update data object - here we are using hardcoded data let updatedData = this.state.data; updatedData.push({ id: 11, name: 'Marsh Ken', designation: 'Graphic Designer'}); this.setState({ ...
Flutter has a “hot reload” feature that can inject updated source code into a running Dart Virtual Machine (VM). Using hot reload, you’ll typically see the results of your changes in under a second. Application state is also preserved, so you don’t need to spend time recreating the ...
Steps to reproduce Clone the repo https://github.com/vcgupta-indihood/flutter-bug Open the app in chrome: flutter run -d chrome Go to Route testing tap on lists, it will change the URL on browser containing index In any of index tap 'Sho...
Of course, if you think this feature can be useful to other people, feel free to open an issue/pull-request to discuss including it "natively" in the package.Basic Usageimport 'package:dash_chat_2/dash_chat_2.dart'; import 'package:flutter/material.dart'; class Basic extends ...