dart Questions

How to fix FlatButton and RaiseButton Error in flutter

Please i don't explicitly use RaiseButton or FlatButton in my code. But i get this error ../../snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_platform_widgets-1.20.0/lib/src/platform_button.dart:269:14: Error: The method 'FlatButton' isn't defined for the class 'PlatformButton'. - 'PlatformButton' is from 'package:flutter_platform_widgets/src/platform_button.dart' ('../../snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_platform_widgets-1.20.0/lib/src/platform_button.dart'). Try correcting the name to the name…

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flutter Insert pictures from the previous page

December 6, 2022
HHY K
3 Answers

class AddResultPage extends StatelessWidget { const AddResultPage({ Key? key, required this.faceImage, required this.faceName, }) : super(key: key); final File? faceImage; final String faceName; @override Widget build(BuildContext context) { return Scaffold( body: Column( children: [ faceImage == null ? Container() :…

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Extract link from html in flutter

December 6, 2022
Aristo Crat
2 Answers

I am trying to extract a link from an HTML body which is coming from a response . Then message looks like this "content": { "rendered": "<div style= "padding: 56.25% 0 0 0; position: relative;"> <iframe style= "position: absolute; top:…

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split a String into colums list in dart-flutter

December 6, 2022
cadeting
3 Answers

How to split this "example#example" To show like this like columns 1.example 2.example final String list = data!.list!.split('#').first; result >>>> example How to show example example from example#example

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Flutter: Future builder get Widget by index

December 6, 2022
st4tic
2 Answers

I have GridView.builder and have ElevatedButton in my grid, when I press my button, button click event showing for all my grid tiles: How can I show this loader effect only on the button that is pressed? My code: void…

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ElevatedButton Position Changing method – Flutter

December 6, 2022
Indra Sekar
3 Answers

I have an Elevated Button which is on of the bottom of the Page and I am a beginner sorry for this silly doubts but i can't figure out how to change the position of the button I dont know…

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Using the variable in TextEditingController in another dart file – Flutter

December 6, 2022
flutternewbiee
2 Answers

I am trying to use the variable name _firstNameCtrlr in another page or rather class file. File1.dart final _firstNameCtrlr = TextEditingController(); File2.dart class TxtFrmFldCtrlr{ static void clearField(){ _firstNameCtrlr.clear(); } } The reason why I am trying to separate this function…

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Uncaught Error: RangeError: Value not in range: 3 – Flutter

December 6, 2022
Abdullah
3 Answers

I want to delete items one by one from a List. I could also clear the whole List by using the clear() method but I don't want that. If someone has a solution to this problem please point it out.…

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how to convert json string in dart flutter?

December 6, 2022
Dhaval Chaudhari
2 Answers

I have string response like this, I got only below response of my api. {authToken: msadnmsandnasdn} and I have to convert as below. {"authToken": "msadnmsandnasdn"} So how i can do this please Help me.

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Change checkbox state when clicking on another widget – Flutter

December 6, 2022
Daniil
2 Answers

I have a goal to change the state of the checkbox when clicking on the adjacent widget. I tried to create a stateful function but unfortunately my code doesn't work. Here is the function - void _changeFlagCheckBox(bool? value){ setState(() {…

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