Issue Fairly new to Flutter and have encountered an issue. I am trying to get the emulator (for both iOS and Android) of my app to connect to an API that is running on my local machine. I had it
Continue readingTag: null-safety
How to make a generic functions in List<T> to get a Non-Optional type in Dart – Null Safety
Issue We are migrating our Flutter app into null safety and I’ve encountered a bunch of missing helpers in order to get rid easily of an optional into a non-optional of the same type. To get you in the context,
Continue readingFlutter/Dart – Difference between obj!.property and obj?.property
Issue In Flutter/Dart their is the null safety feature. In my scenario, I have null safety ON and I am trying to get the property ‘myDateTime’ of my object MyDateTime . But the compiler produce the error: The property ‘myDateTime’
Continue readingStateless widget to Stateful widget convert Dart Flutter
Issue This is my code : class StocksDetailScreen extends StatelessWidget { final String degisimoran; final String? sondeger; final String? hacim; final String? mindeger; final String maxdeger; final String? zaman; final String? hisseismi; final String? hissekodu; const StocksDetailScreen({ Key? key, required
Continue readingStateless widget to Stateful widget convert Dart Flutter
Issue This is my code : class StocksDetailScreen extends StatelessWidget { final String degisimoran; final String? sondeger; final String? hacim; final String? mindeger; final String maxdeger; final String? zaman; final String? hisseismi; final String? hissekodu; const StocksDetailScreen({ Key? key, required
Continue readingtype 'String' is not a subtype of type 'Map<String, dynamic>' flutter
Issue this is my model file: // To parse this JSON data, do // // final economylistXml = economylistXmlFromJson(jsonString); import ‘dart:convert’; EconomylistXml economylistXmlFromJson(String str) => EconomylistXml.fromJson(json.decode(str)); String economylistXmlToJson(EconomylistXml data) => json.encode(data.toJson()); class EconomylistXml { EconomylistXml({ required this.rss, }); Rss rss;
Continue readingListview api white screen return problem flutter
Issue this is my model: // To parse this JSON data, do // // final economylistXml = economylistXmlFromJson(jsonString); import ‘dart:convert’; EconomylistXml economylistXmlFromJson(String str) => EconomylistXml.fromJson(json.decode(str)); String economylistXmlToJson(EconomylistXml data) => json.encode(data.toJson()); class EconomylistXml { EconomylistXml({ required this.rss, }); Rss rss; factory
Continue readingtype 'Null' is not a subtype of type 'String' flutter on api call
Issue Im using a service to create api from xml. This is my model file: // To parse this JSON data, do // // final economylistXml = economylistXmlFromJson(jsonString); import ‘dart:convert’; EconomylistXml economylistXmlFromJson(String str) => EconomylistXml.fromJson(json.decode(str)); String economylistXmlToJson(EconomylistXml data) => json.encode(data.toJson());
Continue readingerror: Non-nullable instance field 'reverseMap' must be initialized. Flutter
Issue I’m using a service to create api from xml. I created model file from response. My model file is: // To parse this JSON data, do // // final economylistXml = economylistXmlFromJson(jsonString); import ‘dart:convert’; EconomylistXml economylistXmlFromJson(String str) => EconomylistXml.fromJson(json.decode(str));
Continue readingNoSuchMethodError: Class 'String' has no instance method 'toDouble'. flutter
Issue I’m trying to call an API. This is my model : // To parse this JSON data, do // // final hisselist = hisselistFromJson(jsonString); import ‘dart:convert’; Hisselist hisselistFromJson(String str) => Hisselist.fromJson(json.decode(str)); String hisselistToJson(Hisselist data) => json.encode(data.toJson()); class Hisselist {
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