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    I am currently using Flutter with Dart. How do I permanently disable this annoying "Run|Debug" line in vscode? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm using Flutter to download 3 different sets of data from a server, then do something with all 3 sets. I could do this: List<Foo> foos = ... What's the best alternative way to achieve this? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Not sure if the terminology in the title is 100% correct, but what I mean is easily illustrated by this example: class MyClass{ String str = ''; MyClass(this ... Is this possible in Dart, and if so, how? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    so the question is about onDisconnect in firebase, I am implementing a chatapp like whatsapp in flutter and using Firebase, stuck at this point the onDisconnect event takes ... print('here I am ')); } }); See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am building a flutter web using old version. I am having a FileUploadInputElement. I need to get the file selected from that element. @override Widget build( ... : 'animation-Image-html', ), ); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    As I know Firebase on Flutter will automatically read from cache first but I noticed while development that an app just play around with almost 1 stream ... , listen: false) .userListsStream(uid); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to display a very long text but it doesn't wrap to next line. I have searched for the solution on the internet and found that ... solved the issue, now everything wraps nice and clean. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    So I got this painter to draw a minimap for my game: class MiniMapPainter extends CustomPainter { final GameMap map; final double tileSize; final List<ui. ... rectangles if possible. How can I do this? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    So, I already read several blogs, posts, and Apple's own Human Interface Guidelines that iOS 14 Widgets are NOT interactive, BUT: It's possible to pass a ... my stuff in SwiftUI. Thanks a lot, guys :) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    QuerySnapshot querySnapshot = await _collectionRef .limit(1) .orderBy('date') .getDocuments(); var list = querySnapshot.documents; querySnapshot.documents.map(( ... What is the mistake in the code? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    TextInputType.numberWithOptions(decimal: true), I'm using the above code as a keyboardType in my TextFormField but in some devices, the device doesn't display ... is needed instead of period (Only iOS) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I tried to do the Write Your First Flutter App, part 2 flutter app page 5 I now have a question for this application. I want to remove an entry from that List ... (children: divided), ); }, ), ); } } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    He everyone, I have an issue with the following code: import 'package:flutter/material.dart'; void main() => runApp(MyApp()); class MyApp extends ... and displays a grey screen. Any help is appreciated! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In this, when the uniq_id of the button and the uniq_id of the data table match, only then the data of the user of that uniq_id will show ... Ashutodh","user_mother_name":"manju1","user_address":"Mirzapur1","user_mobile":"2222221","user_spo...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Both Container and ClipRRect has borderRadius property, but sometimes Container fail to work. Here is the example. Not working Container( decoration: ... sometimes and where else it can fail? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I find the localization procedure using the official Flutter localization plugin cumbersome. To display a localized string I have to call Localization.of( ... way to make the localization less cumbersome? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am working on flutter application where i have to show time stamps but the response i got from api is in 24 hr format and i want to display time in ... way of doing the formatting from 24 hr to 12 hr? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am learning Dart/flutter and trying to understand how Widgets system works. But I can't understand what difference between stateless and stateful widgets? ... if I will create not proper Widget type? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to make to multiple requests to same server in an optimal way. So I have Future<List<Item>> getAllItems() async { var client = new http.Client ... to implement so as to avoid the async await hell? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the difference between Listview.builder and Listview? Can we use ListView.builder to submit forms? I am using the Listview.builder now to create forms. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I would like the optimal solution for removing trailing zeros using Dart. If I have a double that is 12.0 it should output 12. If I have a double that is 12.5 it should output 12.5 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Assume I have a list like: var letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']; I would like a list of lists of 2 elements each: var chunks = ... , ['g', 'h']]; What's a good way to do this with Dart? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I was trying to achieve an effect of allowing a widget to overflow to another widget as seen here The code I've this far is this: @override Widget ... by the container. Is there another approach to this? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a FloatingActionButton inside a widget tree which has a BlocProvider from flutter_bloc. Something like this: BlocProvider( builder: (context) { ... 56533611/2457045 solution to Modal Bottom Sheet? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I connected the package, added it to main.dart, I try to compile the application, but I get this error. Help! What should I do about it? ... Exception: Gradle task assembleDebug failed with exit code 1 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Hi I developed a Flutter Plugin flutter_tex. It's based on the WebView. How do I add Flutter Web support for this?? I tried this example to show ... build failed. FAILURE: Build failed with an exception. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    With the latest clean installation of Android Studio with all the recommended settings I have this continuous error when I try to start an emulated device. The ... version 1.0.41 Version 29.0.0-5611747 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    So i was building an application in flutter and I came across a problem. I need to post JSON data to a https server. Since the application is ... Dart please help me out. Suggestions will be welcomed. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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