CupertinoPickerX class
标准化文字滚动Picker
CupertinoPickerX(
items: ["时间", "长度", "面积", "体积", "质量", "人民币"],
onSelectedItemChanged: (index) {
_indexChangedValueNotifier.value = index;
},
)
参数
| 参数名 | 描述 | 是否必须 |
|---|---|---|
| onSelectedItemChanged | item改变回调函数 | 否 |
| items | 选择项 | 是 |
| color | 字体颜色 | 否，默认主题色 |
| fontSize | 字体大小 | 否，默认14.0 |
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- CupertinoPickerX
Constructors
-
CupertinoPickerX({Key? key, ValueChanged<
int> ? onSelectedItemChanged, required List<String> items, Color? color, double fontSize = 14.0, FixedExtentScrollController? scrollController})
Properties
- color → Color?
-
final
- fontSize → double
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
-
items
→ List<
String> -
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onSelectedItemChanged
→ ValueChanged<
int> ? -
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollController → FixedExtentScrollController?
-
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