<itemvalue="Position the control relative to the text in the fashion that is typical for the current platform, and place the secondary widget on the opposite side."/>
<itemvalue="Position the control on the trailing edge, and the secondary widget, if any, on the leading edge."/>
<itemvalue="Position the control on the leading edge, and the secondary widget, if any, on the trailing edge."/>
<itemvalue="Typically used to force the expansion arrow icon to the tile's leading or trailing edge. By default, the value of `controlAffinity` is [ListTileControlAffinity.platform], which means that the expansion arrow icon will appear on the tile's trailing edge."/>
<itemvalue="A single-line [ListTile] with an expansion arrow icon that expands or collapses the tile to reveal or hide the [children]. This widget is typically used with [ListView] to create an "expand collapse" list entry. When used with scrolling widgets like [ListView], a unique [PageStorageKey] must be specified to enable the [ExpansionTile] to save and restore its expanded state when it is scrolled in and out of view. This class overrides the [ListTileThemeData.iconColor] and [ListTileThemeData.textColor] theme properties for its [ListTile]. These colors animate between values when the tile is expanded and collapsed: between [iconColor], [collapsedIconColor] and between [textColor] and [collapsedTextColor]. The expansion arrow icon is shown on the right by default in left-to-right languages (i.e. the trailing edge). This can be changed using [controlAffinity]. This maps to the [leading] and [trailing] properties of [ExpansionTile]. {@tool dartpad} This example demonstrates different configurations of ExpansionTile. See code in examplesapilibmaterialexpansion_tileexpansion_tile.0.dart {@end-tool} See also: [ListTile], useful for creating expansion tile [children] when the expansion tile represents a sublist. The "Expand and collapse" section of <https:material.iocomponentsliststypes>"/>
<itemvalue="show Sraft Not Saved Confirm"/>
<itemvalue="_layout Changeable Rich Text"/>
<itemvalue="可改变的"/>
@ -51,16 +56,11 @@
<itemvalue="gapless Playback"/>
<itemvalue="If [cacheWidth] or [cacheHeight] are provided, it indicates to the engine that the image must be decoded at the specified size. The image will be rendered to the constraints of the layout or [width] and [height] regardless of these parameters. These parameters are primarily intended to reduce the memory usage of [ImageCache]."/>
<itemvalue="The [BuildContext] and [Size] are used to select an image configuration (see [createLocalImageConfiguration])."/>
<itemvalue="Whether the field is serialized. Defaults to `null` which means [BuiltValue.defaultSerialize] is used. If a field is not serialized, it must either be `@nullable` or specify a default for deserialization to succeed."/>
<itemvalue="Optionally, annotate a Built Value `Serializer` getters with this to specify settings. This is only needed for advanced use."/>
<itemvalue="Memoized annotation for Built Value getters. Getters marked with this annotation are memoized: the result is calculated once on first access and stored in the instance."/>
<itemvalue="Nullable annotation for Built Value fields. Fields marked with this annotation are allowed to be null."/>
<itemvalue="Whether the generated serializer should output `null`s. By default this is `false` and nulls are omitted from the output."/>
debuggerx
3 years ago