Quando eu executo o hotstart parece que ele executa corretamente o código. O emulador responde corretamente igual a aula. Mas, aparece este erro aqui no meu terminal:
Performing hot restart...
Restarted application in 761ms.
I/flutter ( 7167): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 7167): The following NoSuchMethodError was thrown building FutureBuilder<List<Contact>>(dirty, state:
I/flutter ( 7167): _FutureBuilderState<List<Contact>>#8099c):
I/flutter ( 7167): The getter 'length' was called on null.
I/flutter ( 7167): Receiver: null
I/flutter ( 7167): Tried calling: length
I/flutter ( 7167):
I/flutter ( 7167): The relevant error-causing widget was:
I/flutter ( 7167): FutureBuilder<List<Contact>>
I/flutter ( 7167): file:///home/l/IntelliJIDEAProjects/bytebank_2/lib/screens/contacts_list.dart:13:15
I/flutter ( 7167):
I/flutter ( 7167): When the exception was thrown, this was the stack:
I/flutter ( 7167): #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
I/flutter ( 7167): #1 ContactsList.build.<anonymous closure> (package:bytebank_2/screens/contacts_list.dart:23:35)
I/flutter ( 7167): #2 _FutureBuilderState.build (package:flutter/src/widgets/async.dart:751:55)
I/flutter ( 7167): #3 StatefulElement.build (package:flutter/src/widgets/framework.dart:4744:28)
I/flutter ( 7167): #4 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4627:15)
I/flutter ( 7167): #5 StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
I/flutter ( 7167): #6 Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
I/flutter ( 7167): #7 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4606:5)
I/flutter ( 7167): #8 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4791:11)
I/flutter ( 7167): #9 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4601:5)
I/flutter ( 7167): ... Normal element mounting (19 frames)
I/flutter ( 7167): #28 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3569:14)
I/flutter ( 7167): #29 MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:6236:32)
I/flutter ( 7167): ... Normal element mounting (208 frames)
I/flutter ( 7167): #237 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3569:14)
I/flutter ( 7167): #238 MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:6236:32)
I/flutter ( 7167): ... Normal element mounting (273 frames)
I/flutter ( 7167): #511 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3569:14)
I/flutter ( 7167): #512 Element.updateChild (package:flutter/src/widgets/framework.dart:3327:18)
I/flutter ( 7167): #513 RenderObjectToWidgetElement._rebuild (package:flutter/src/widgets/binding.dart:1252:16)
I/flutter ( 7167): #514 RenderObjectToWidgetElement.mount (package:flutter/src/widgets/binding.dart:1223:5)
I/flutter ( 7167): #515 RenderObjectToWidgetAdapter.attachToRenderTree.<anonymous closure> (package:flutter/src/widgets/binding.dart:1165:17)
I/flutter ( 7167): #516 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2683:19)
I/flutter ( 7167): #517 RenderObjectToWidgetAdapter.attachToRenderTree (package:flutter/src/widgets/binding.dart:1164:13)
I/flutter ( 7167): #518 WidgetsBinding.attachRootWidget (package:flutter/src/widgets/binding.dart:974:7)
I/flutter ( 7167): #519 WidgetsBinding.scheduleAttachRootWidget.<anonymous closure> (package:flutter/src/widgets/binding.dart:955:7)
I/flutter ( 7167): (elided 11 frames from class _RawReceivePortImpl, class _Timer, dart:async, and dart:async-patch)
I/flutter ( 7167):
I/flutter ( 7167): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 7167): tamanho da lista: 2
I/flutter ( 7167): tamanho da lista: 2
Isso é um problema? Existe algo para ser corrigido?
