Basic widgets
Widgets you absolutely need to know before building your first Flutter app.
更多 widget 请查看 核心 widget 目录。
![](/assets/images/docs/widget-catalog/material-3-top-app-bar.png)
Container that displays content and actions at the top of a screen.
Layout a list of child widgets in the vertical direction.
A convenience widget that combines common painting, positioning, and sizing widgets.
![](/assets/images/docs/widget-catalog/material-elevated-button.png)
A Material Design elevated button. A filled button whose material elevates when pressed.
![](/assets/images/docs/catalog-widget-placeholder.png)
The Flutter logo, in widget form. This widget respects the IconTheme.
![](https://flutter.github.io/assets-for-api-docs/assets/widgets/icon.png)
A Material Design icon.
A widget that displays an image.
![](/assets/images/docs/catalog-widget-placeholder.png)
A widget that draws a box that represents where other widgets will one day be added.
Layout a list of child widgets in the horizontal direction.
![](https://storage.googleapis.com/material-design/publish/material_v_11/assets/0Bx4BSt6jniD7T0hfM01sSmRyTG8/layout_structure_regions_mobile.png)
Implements the basic Material Design visual layout structure. This class provides APIs for showing drawers, snack bars, and bottom sheets.
A run of text with a single style.
更多 widget 请查看 核心 widget 目录。