从代码去认识Flutter的Widget们

首先找到flutter的basic.dart文件，下面列出的是其中包含的各个组件。 内容较多持续更新中。。。

什么是Widget?

basic.dart

• Directionality

• Opacity 透明度组件
• [ShaderMask]
• BackdropFilter
• CustomPaint
• [ClipRect]
• [ClipRRect]
• [ClipOval]
• [ClipPath]
• [PhysicalModel]
• [PhysicalShape]

• [Transform]
• [CompositedTransformTarget]
• [CompositedTransformFollower]
• [FittedBox]
• [FractionalTranslation]
• [RotatedBox]
• [Padding]
• [Align]
• [Center]
• [CustomSingleChildLayout]
• [LayoutId]
• [CustomMultiChildLayout]
• [SizedBox]
• [ConstrainedBox]
• [ConstraintsTransformBox]
• [UnconstrainedBox]
• [FractionallySizedBox]
• [LimitedBox]
• [OverflowBox]
• [SizedOverflowBox]
• [Offstage]
• [AspectRatio]
• [IntrinsicWidth]
• [IntrinsicHeight]
• [Baseline]

• [SliverToBoxAdapter]
• [SliverPadding]

• [ListBody]
• [Stack]
• [IndexedStack]
• [Positioned]
• [PositionedDirectional]
• [Flex]
• [Row]
• [Column]
• [Flexible]
• Expanded
• Wrap
• [Flow]
• [RichText]
• [RawImage]
• [DefaultAssetBundle]
• [WidgetToRenderBoxAdapter]

• [Listener]
• [MouseRegion]
• [RepaintBoundary]
• [IgnorePointer]
• [AbsorbPointer]
• [MetaData]

• [Semantics]
• [MergeSemantics]
• [BlockSemantics]
• [ExcludeSemantics]
• [IndexedSemantics]
• [KeyedSubtree]
• [Builder]
• [StatefulWidgetBuilder*]
• [StatefulBuilder]
• [ColoredBox]