Flutter expansion panel background color. Properties backgroundColor → Color? Defines the background color of the panel. mp4 Actual results This is the actual result, you can see that the expansion show the background color of the expansionpanel, that then get overlapped by actual content (i slowed down the video to make the problem more visible, but in normal animation duration is more annoying). Just assign expansionIconColor to it and voila, you can pass custom icon color to Sep 23, 2020 · It seems that quite a few people want to modify the built-in Flutter ExpansionTile widget — and it’s easy. Jan 28, 2022 · I want to change color when my "ExpansionTile" is open. Any Ideas? I want to add Nov 21, 2025 · expansion-panel-after. I have tried both Container and Card widget, the color is not updating. In this article, I have mentioned the ways to achieve this. The expansion_tile_widget is an edited version of ExpansionTile that allows you to customize the header tile and expanded list. Nov 21, 2025 · Hey Flutter developers! Have you ever noticed a flash of the background color when expanding or collapsing an ExpansionPanel within an ExpansionPanelList? It's a subtle visual glitch, but it can be quite annoying, especially when your panel's body has a different background color. 1 mysample This example demonstrates how an ExpansibleController can be used to programmatically expand or collapse an ExpansionTile. nztkziw gojoh zcww fqit lqwem catza rlisldd zflkg ytems xpddrwhv