flutter-web

问题 Is there any way to start Flutter web, with a Headless-Server target, always on the same specified port number ? Today, running the web application with: flutter run -d headless-server Provides a random port number. 回答1: I found the answer inside the flutter_tools source code: flutter run -d headless-server --web-port=1234 回答2: The above solution works fine if you are like using command line. But if you you are using VsCode by CTRL+F5 that won't work. So to make vscode CTRL+F5 run in chrome

问题 I am new to Flutter and working in a flutter web application, My requirement is to create and download a text file. like below. void getData() { List<int> bytes = utf8.encode('this is the text file'); print(bytes); // Need to download this with txt file. } Can anyone help me to achieve this 回答1: This method is based on manipulations with an HTML document. Some additional packages should be imported: import 'dart:convert'; import 'dart:html' as html; // or package:universal_html/prefer

问题 I am trying to use bar code to extract information of the user for example user's picture, display name and blah blah... pass all those data to for example userDetails widget page. so, after the barcode is scanned and data is extracted.it should navigate using the Navigator class. without this api I scan anything and parse it to the details page but when I tried to do the real thing its not working saying string cannot be assigned to a parameter type. please can somebody help i have been

问题 [on web] tried to fit some widgets inside a FittedBox like this : FittedBox( fit: BoxFit.scaleDown, child: AnimatedContainer(...) ) but screen and console show only this message : there's nothing else in the console what's the next step here ? :D 回答1: More Info was provided by the framework after a little messing around with the code , like extra children , random sizes to parents . . . Error >> ... object was given an infinite size during layout ultimately some like this worked : FittedBox(

问题 I am completely new to flutter. While learning flutter I am not able to login with flutter web application same code is working fine with the android mobile app. Please find the below log info. The same call is working on all platforms except flutter web INFO: 2020-05-22 17:40:48.229: curl -v -X POST -H 'content-type: application/json; charset=UTF-8' -H 'Accept: / ' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' -d '{"username":"admin","password":"admin@123"}' http://healthvedic.in

问题 I am completely new to flutter. While learning flutter I am not able to login with flutter web application same code is working fine with the android mobile app. Please find the below log info. The same call is working on all platforms except flutter web INFO: 2020-05-22 17:40:48.229: curl -v -X POST -H 'content-type: application/json; charset=UTF-8' -H 'Accept: / ' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' -d '{"username":"admin","password":"admin@123"}' http://healthvedic.in

问题 I recently ran this command to try web support out in Flutter: flutter config --enable-web Now, every project I make has a web folder and inside is an index.html . Is there any way I can disable that for future projects and is it safe for me to just delete the folder and carry on? 回答1: flutter config --no-enable-web if you try to type flutter config in terminal you will see all options 来源： https://stackoverflow.com/questions/58463079/how-can-i-disable-web-support-in-flutter

问题 I recently ran this command to try web support out in Flutter: flutter config --enable-web Now, every project I make has a web folder and inside is an index.html . Is there any way I can disable that for future projects and is it safe for me to just delete the folder and carry on? 回答1: flutter config --no-enable-web if you try to type flutter config in terminal you will see all options 来源： https://stackoverflow.com/questions/58463079/how-can-i-disable-web-support-in-flutter

问题 On flutter web, I pick an image file from the computer and get a File image object. Then I want to upload it to Firebase Storage. For Android and iOS versions of the app I was using a Firebase Cloud Function and an http multipart request. It worked, but for the web version of the app it doesn't. So, How can I upload an html image file to Firebase Storage, either directly or through a Cloud Function? 回答1: Finally I managed to find a solution to this issue. To achieve this I needed to install

问题 Everything is working fine in debug mode but when I run the application in release mode, it produces this screen: and when I try hosting the application on firebase, I get this screen: I am not sure how to handle this error as there is not much info on this issue. But based on the "No firebase app" error, i think that the error might be in my main.dart. main.dart void main() { assert(() { fb.initializeApp( apiKey: "", authDomain: "", databaseURL: "", projectId: "", storageBucket: "",