dart Questions

Flutter – Failed to read key fin from store

June 15, 2024
joseph jo
2 Answers

Execution failed for task ':app:packageDebug'. A failure occurred while executing com.android.build.gradle.tasks.PackageAndroidArtifact$IncrementalSplitterRunnable com.android.ide.common.signing.KeytoolExcept storePassword=finpro keyPassword=finpro keyAlias=fin storeFile=/Users/macbookpro/Ongoing works/Finpro/fin_pro/keystore/fin-pro.jks signingConfigs { release { keyAlias keystoreProperties['keyAlias'] keyPassword keystoreProperties['keyPassword'] storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null storePassword keystoreProperties['storePassword'] } }

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Flutter: Trying to achieve Infinite scroll with Flutter

June 15, 2024
sebdoy
2 Answers

Here's my function: _onScroll() async { if (_postScrollController.offset >= _postScrollController.position.maxScrollExtent - 1000 && !_postScrollController.position.outOfRange) { *Function to get next set of data* } The problem that I'm facing with this function is whenever you scroll too quickly, it will sometimes…

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Flutter web on Firebase Hosting showing "Page Not Found" when I refresh the webapp

June 14, 2024
Dylan Wain
2 Answers

I am having an issue when I refresh my flutter webapp and it says This file does not exist and there was no index.html found in the current directory or 404.html in the root directory. Why am I seeing this?…

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Flutter – Exception: _TypeError type 'Null' is not a subtype of type '(Quote) => dynamic'

June 14, 2024
Siddharth Chopra
2 Answers

I am new to Flutter. I am building an app to display some text and then create a button to remove it. I have the three following dart files- 1. main.dart // ignore_for_file: prefer_const_literals_to_create_immutables, prefer_const_constructors_in_immutables, use_key_in_widget_constructors import 'package:flutter/material.dart'; import 'quote.dart';…

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Flutter custom page indicator design issue

June 14, 2024
Muhammed Sahad
3 Answers

I just created a custom page indicator but there is an issue with that design, in my design file it look like this: This is the code that I have tried: const SizedBox( height: 61, child: Row( mainAxisAlignment: MainAxisAlignment.center, children:…

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Flutter – Error: The getter 'backgroundColor' isn't defined for the class 'ThemeData'

June 14, 2024
Nipul Rathod
2 Answers

I want to run one of my old projects and while running I'm getting this error: Error: The getter 'backgroundColor' isn't defined for the class 'ThemeData'. 'ThemeData' is from 'package:flutter/src/material/theme_data.dart' ('/C:/Android/flutter/packages/flutter/lib/src/material/theme_data.dart'). Try correcting the name to the name of an…

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How do you convert a String to a raw String in dart/flutter?

June 14, 2024
Utkarsh Gupta
2 Answers

I have String variable which stores a pattern/regular expression : String var = "(?<timestamp>d+/d+/d+sd+:d+:d+.d+)s(?<filename>[a-z]+.[a-z]+:d+):s[(?<type>[A-Z]+)]:(?<text>[sS]+)"; I want to match log string of type(I have edited the fields): 2060/12/12 12:12:12.017602 abc.go:000: [INFO]:abc.cpp:00:Parsing String : 1920x1080' I am able to match the log…

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Failing to install dependencies in my flutter project

I'm facing the below error when I try to either run flutter pub get command for dependency installation or running the entire project. flutter pub get Resolving dependencies... (3.2s) The current Dart SDK version is 3.4.3. Because logger 0.9.4 doesn't…

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Flutter JSON Parsing Error: 'type '(dynamic) => ProductItem' is not a subtype of type '(String, dynamic) => MapEntry<dynamic, dynamic>'

June 14, 2024
Ebram Shereen
2 Answers

I'm working on a Flutter app that fetches product data from an API and displays it in a ListView. Here's an example of the JSON response from the API: { "name": "Watches", "products": [ { "id": 88, "productName": "Fastrack Men…

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Flutter – Why must we ensure that ListTile title and subtitle fields do not wrap?

June 12, 2024
asartalo
2 Answers

On the documentation for ListTile, it notes: "It is the responsibility of the caller to ensure that title does not wrap, and to ensure that subtitle doesn't wrap (if isThreeLine is false) or wraps to two lines (if it is…

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