{"id":23934,"date":"2022-11-29T06:39:07","date_gmt":"2022-11-29T01:09:07","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-flutter-the-method-was-called-on-null-when-iterating-list\/"},"modified":"2022-11-29T06:39:07","modified_gmt":"2022-11-29T01:09:07","slug":"solved-flutter-the-method-was-called-on-null-when-iterating-list","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-flutter-the-method-was-called-on-null-when-iterating-list\/","title":{"rendered":"[Solved] FLutter : The method &#8216;[]&#8217; was called on null when iterating list"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-57207981\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"57207981\" data-parentid=\"57207119\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>Just change your code to this!<\/p>\n<pre><code>Future&lt;String&gt; getJSONData() async {\n    var response = await http.get(url);\n    setState(() {\n       var dataConvertedToJSON = json.decode(response.body);\n       data = dataConvertedToJSON['data'];\n       data = data[0]['INCI'];\n    });\n    return \"Successfull\";\n}\n\n@override\nWidget build(BuildContext context) {\n    return new MaterialApp( \n      home: new Scaffold( \n        appBar: new AppBar( title: new Text('List Test'), ), \n        body: new Center( \n          child: data != null ? Column(\n            mainAxisAlignment: MainAxisAlignment.center, \n            children: &lt;Widget&gt;[\n              for (var name in data) Text(name)\n            ], \n          ) : new CircularProgressIndicator(), \n        ), \n      )\n    ); \n} \n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">7<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved FLutter : The method &#8216;[]&#8217; was called on null when iterating list <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Just change your code to this! Future&lt;String&gt; getJSONData() async { var response = await http.get(url); setState(() { var dataConvertedToJSON = json.decode(response.body); data = dataConvertedToJSON[&#8216;data&#8217;]; data = data[0][&#8216;INCI&#8217;]; }); return &#8220;Successfull&#8221;; } @override Widget build(BuildContext context) { return new MaterialApp( home: new Scaffold( appBar: new AppBar( title: new Text(&#8216;List Test&#8217;), ), body: new Center( child: &#8230; <a title=\"[Solved] FLutter : The method &#8216;[]&#8217; was called on null when iterating list\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-flutter-the-method-was-called-on-null-when-iterating-list\/\" aria-label=\"More on [Solved] FLutter : The method &#8216;[]&#8217; was called on null when iterating list\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[846],"class_list":["post-23934","post","type-post","status-publish","format-standard","hentry","category-solved","tag-flutter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] FLutter : The method &#039;[]&#039; was called on null when iterating list - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-flutter-the-method-was-called-on-null-when-iterating-list\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] FLutter : The method &#039;[]&#039; was called on null when iterating list - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Just change your code to this! Future&lt;String&gt; getJSONData() async { var response = await http.get(url); setState(() { var dataConvertedToJSON = json.decode(response.body); data = dataConvertedToJSON[&#039;data&#039;]; data = data[0][&#039;INCI&#039;]; }); return &quot;Successfull&quot;; } @override Widget build(BuildContext context) { return new MaterialApp( home: new Scaffold( appBar: new AppBar( title: new Text(&#039;List Test&#039;), ), body: new Center( child: ... 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