Recent questions tagged dart

0 votes

815 views

1 answer

dart - Why is Controller deprecated in AngularDart 0.10.0?

I just upgraded to AngularDart 0.10, renamed my Ngcontrollers to Controller and I am very surprised to ... -0100-ostemad-teleportation.html See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

dart - How do I clear Flutter's image cache?

Flutter has its own internal cache of images. I need to clear that image cache. How do I do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

796 views

1 answer

dart - What are the different ways to look up elements in Polymer 1.0

There are several way in Polymer.dart 1.x to look up elements in the DOM. What are the differences. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

792 views

1 answer

dart - How to use multiple navigators

I currently have a MaterialApp in my flutter application which makes the use of the Navigator extremely easy, which ... a solution. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

723 views

1 answer

dart - Keeping final fields on the Widget or the State?

Where should one keep final values? In the StatefulWidget (my subclass of course) instance and access it from the ... cons for each of them? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

dart - On running default app, Flutter throws" log reader stopped unexpectedly" after switching to Master

PS D:flutterAppmyapp> flutter run Running Gradle task 'assembleDebug'... Running Gradle task 'assembleDebug'... ... by throwing this error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

dart - How to sort map value?

I have this map: var temp= { 'A' : 3, 'B' : 1, 'C' : 2 }; How to sort the values of the map (descending). I know, ... : 1, 'C' : 2 'A' : 3, }; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - Flutter app error - type 'Timestamp' is not a subtype of type 'DateTime'

I'm fetching data cloud firestore & trying to show in my app by using the following piece of code. new ... need data in DateTime object format. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

921 views

1 answer

dart - Find and version bump outdated packages in Flutter (across major versions)

Is there a way to list and update packages that have crossed a major version in pubspec.yaml? (like this ... helpful if it was automatic. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

dart pub fail behind a proxy - is there a way to install the packages manually?

There is a known issue with using Pub dart in a corporate network using a proxy (on windows machine at least). ... doc about that. thanks, f. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

dart - Flutter - How to make a custom TabBar

This is the output that I want. I am still new in flutter so can anyone let me know if there is already ... that's obvious. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - How do I get the Asset's file path in flutter?

Here is my pubspec.yaml: assets: - assets/mySecertImage.png Here is how I read back the assets: var data = ... to become a File object? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - Flutter - calling setState() from other widget

Is it possible to call setState() of particular widget (embedded in other widgets) from other widgets onPressed() ... redraw whole tree again. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - How to convert asset image to File?

Is there a way to use an asset image as a File. I need a File so it can be used for testing it over the ... ) : Text('No Image File'))), See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.3k views

1 answer

dart - Could not find a file named "pubspec.yaml" in

I create a simple Web application but when I want to run it I got this message in "Tools Output": Could not ... 64bit and Dart Editor 1.7.2 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

990 views

1 answer

dart - Flutter ChangeNotifierProvider builder is deprecated

I have this code in my main.dart: main() { runApp( MultiProvider( providers: [ ChangeNotifierProvider(builder: ( ... any help, thanks in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

939 views

1 answer

dart - Navigate to a new screen in Flutter

How do you navigate to a new screen in Flutter? These questions are similar, but are asking more than I am. ... I am adding an answer below. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

804 views

1 answer

dart - Android Alarm Manager is not working for Flutter Project App

I have installed the Android Alarm Manager plugin in my New Flutter app. I use the example code of Plugin- but it ... :12) E/flutter ( 6831): See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - How to test navigation via Navigator in Flutter

Let's say, I have a test for a screen in Flutter using WidgetTester. There is a button, which executes ... this test scenario in Flutter. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

dart - Allow only two decimal number in flutter input?

I want only two digits after the decimal point in the flutter input.User can't add more than two digits after the decimal point. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - How to remove extra padding around AppBar leading icon in Flutter

In my Flutter app, I have this AppBar Widget setAppBar(){ return new AppBar( title: addAppBarTextWidget('Explore ... remove this extra padding. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - Flutter AbsorbPointer vs IgnorePointer difference

What is the difference between AbsorbPointer and IgnorePointer in flutter? Docs mention: AbsorbPointer prevents its subtree ... between the two. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

dart - How to detect orientation change in layout in Flutter?

How to find out Orientation is portrait or landscape in Flutter if(portrait){ return ListView.builder() }else{ return GridView.count() } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

744 views

1 answer

dart - Bootstrap.js not working in Polymer components

I'm currently working on translating our current Dart Web UI project to Polymer.dart. We use Bootstrap 3 ... -bootstrap and Polymer together? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

924 views

1 answer

dart - Transparent bottom navigation bar in flutter

i am new to flutter. I am trying to achieve this UI I haven't found any use full solution to create ... t seems to work. Please help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

823 views

1 answer

dart - How to customize a date picker

I'm using the showDatePicker() method to display a date picker in my flutter application. How do I customize the colors of ... ( [...] ) ); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

dart - Using Socket in Flutter apps?

I create a Flutter App. I need to connect my app to local network socket services. As shown below, I ... to the server. RawSocketEvent.write See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

dart - Total distance calculation from LatLng List

Im using dart/flutter and the 'package:latlong/latlong.dart' to parse a GPX file into a list of LatLng objects. ... : -36.848744 , 174.645802 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Just Browsing Browsing

Most popular tags