{"id":1158,"date":"2025-05-16T13:45:32","date_gmt":"2025-05-16T13:45:32","guid":{"rendered":"https:\/\/www.cmarix.com\/qanda\/?p=1158"},"modified":"2026-02-05T12:06:17","modified_gmt":"2026-02-05T12:06:17","slug":"avoid-ui-flickers-in-flutter","status":"publish","type":"post","link":"https:\/\/www.cmarix.com\/qanda\/avoid-ui-flickers-in-flutter\/","title":{"rendered":"How to Avoid UI Flickers When Showing Images or Data Conditionally?"},"content":{"rendered":"\n<p>Flickering often happens when widgets rebuild too frequently or async content like images\/data briefly shows empty placeholders.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Solutions:<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Use FadeInImage for images<\/h3>\n\n\n\n<p>dart<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FadeInImage.assetNetwork(\n  placeholder: 'assets\/placeholder.png',\n  image: 'https:\/\/example.com\/photo.jpg',\n)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. Use FutureBuilder or StreamBuilder properly<\/h3>\n\n\n\n<p>Wrap async UI in FutureBuilder with loading fallback:<\/p>\n\n\n\n<p>dart<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FutureBuilder(\n  future: fetchData(),\n  builder: (context, snapshot) {\n    if (snapshot.connectionState == ConnectionState.waiting) {\n      return CircularProgressIndicator();\n    } else if (snapshot.hasError) {\n      return Text('Error');\n    } else {\n      return Text(snapshot.data.toString());\n    }\n  },\n);\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. Keep stable widget trees<\/h3>\n\n\n\n<p>Avoid returning null or empty Container() rapidly in async logic<\/p>\n\n\n\n<p>Combine Visibility, Opacity, and conditional layouts for smoother transitions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flickering often happens when widgets rebuild too frequently or async content like images\/data briefly shows empty placeholders. Solutions: 1. Use FadeInImage for images dart 2. Use FutureBuilder or StreamBuilder properly Wrap async UI in FutureBuilder with loading fallback: dart 3. Keep stable widget trees Avoid returning null or empty Container() rapidly in async logic Combine [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11,1],"tags":[],"class_list":["post-1158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-flutter","category-mobile"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/posts\/1158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/comments?post=1158"}],"version-history":[{"count":8,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/posts\/1158\/revisions"}],"predecessor-version":[{"id":1168,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/posts\/1158\/revisions\/1168"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/media\/1163"}],"wp:attachment":[{"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/media?parent=1158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/categories?post=1158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cmarix.com\/qanda\/wp-json\/wp\/v2\/tags?post=1158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}