CustomSlidingSegmentedControl<T extends Object> class
SlidingSegmentedControl 滑动分段控制器组件
示例:
CustomSlidingSegmentedControl(
children: {
1: Text(
1,
style: CustomSlidingSegmentedControl.textStyle(
context: context,
selected: currentSegment == 1,
),
),
2: Text(
2,
style: CustomSlidingSegmentedControl.textStyle(
context: context,
selected: currentSegment == 2,
),
),
},
onValueChanged: (value) {
print('选中了: $value');
},
groupValue: currentSegment,
),
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- CustomSlidingSegmentedControl
Constructors
-
CustomSlidingSegmentedControl({required Map<
T, Widget> children, required ValueChanged<T?> onValueChanged, Key? key, T? groupValue, Color? thumbColor, EdgeInsetsGeometry? padding, Color? backgroundColor}) -
SlidingSegmentedControl 滑动分段控制器组件
const
Properties
- backgroundColor → Color?
-
背景色
final
-
children
→ Map<
T, Widget> -
子组件
final
- groupValue → T?
-
当前选中值
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onValueChanged
→ ValueChanged<
T?> -
选中值改变时的回调函数
final
- padding → EdgeInsetsGeometry?
-
内边距
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- thumbColor → Color?
-
滑块颜色
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String -
Returns a string representation of this node and its descendants.
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object.
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
textStyle(
{required BuildContext context, required bool selected}) → TextStyle - 根据选中状态返回对应的文本样式。