質問編集履歴
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@@ -158,7 +158,9 @@
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child: Consumer<MyPageMovieProvider>(
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builder: (context, model, child) {
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final movie = model.myPageMovie;
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return movie == null
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? Center(child: CircularProgressIndicator())
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: Form(
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key: formKey,
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child: ListView(
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// 省略
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他にいい方法があれば教えてください！！！
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##謎のwidgetsエラー
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```console
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════════ Exception caught by widgets library ═══════════════════════════════════
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The getter 'pointText1' was called on null.
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Receiver: null
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Tried calling: pointText1
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The relevant error-causing widget was
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Consumer<MyPageMovieProvider>
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lib/…/mypage/mypage_movie_form.dart:201
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```
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Formの画面を開くたびにこのエラーが発生します。全く理由がわかりません。。。
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#試したこと
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`mypage_movie_provider.dart`で定義されている`point1Text`に初期値を入れてみました。
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@@ -272,34 +260,6 @@
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}
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```
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#追記
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```dart:mypage_movie_form.dart
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@override
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Widget build(BuildContext context) {
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return ChangeNotifierProvider<MyPageMovieProvider>.value(
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value: MyPageMovieProvider()..fetchMyMovies(id),
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child: Consumer<MyPageMovieProvider>(
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builder: (context, model, child) {
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final movie = model.myPageMovie;
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return movie == null
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? Center(child: CircularProgressIndicator())
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: Form(
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key: formKey,
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```
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`mypage_movie_form.dart`で`model.myPageMovie`のnullの対応を追加すると、下記のエラーは解消されました！
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```console
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════════ Exception caught by widgets library ═══════════════════════════════════
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The getter 'pointText1' was called on null.
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Receiver: null
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Tried calling: pointText1
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The relevant error-causing widget was
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Consumer<MyPageMovieProvider>
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lib/…/mypage/mypage_movie_form.dart:201
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```
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#最後に
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**Providerが難しくてあまり理解できていません。。どなたかご教授いただけると幸いです！**
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1
追記を追加
title
CHANGED
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File without changes
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body
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@@ -272,6 +272,34 @@
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}
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```
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#追記
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```dart:mypage_movie_form.dart
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@override
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Widget build(BuildContext context) {
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return ChangeNotifierProvider<MyPageMovieProvider>.value(
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value: MyPageMovieProvider()..fetchMyMovies(id),
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child: Consumer<MyPageMovieProvider>(
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builder: (context, model, child) {
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final movie = model.myPageMovie;
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return movie == null
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? Center(child: CircularProgressIndicator())
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: Form(
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key: formKey,
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```
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+
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`mypage_movie_form.dart`で`model.myPageMovie`のnullの対応を追加すると、下記のエラーは解消されました！
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```console
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════════ Exception caught by widgets library ═══════════════════════════════════
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The getter 'pointText1' was called on null.
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Receiver: null
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Tried calling: pointText1
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The relevant error-causing widget was
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Consumer<MyPageMovieProvider>
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lib/…/mypage/mypage_movie_form.dart:201
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```
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#最後に
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**Providerが難しくてあまり理解できていません。。どなたかご教授いただけると幸いです！**
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