DropdownButton class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- DropdownButton
Constructors
-
DropdownButton({Key? key, String? hintText, String? value, required List<
String> items, ValueChanged<String?> ? onChanged, Widget? gap, Color? borderColor, Color? backgroundColor, Color? backgroundColorOnFocus, double? borderWidth, double? borderRadius, double? width, double? height, EdgeInsets? padding, EdgeInsets? margin, TextStyle? dropDownTextStyle, double? dropDownListWidth, double? dropDownListHeight}) -
const
Properties
- backgroundColor → Color?
-
final
- backgroundColorOnFocus → Color?
-
final
- borderColor → Color?
-
final
- borderRadius → double?
-
final
- borderWidth → double?
-
final
- dropDownListHeight → double?
-
final
- dropDownListWidth → double?
-
final
- dropDownTextStyle → TextStyle?
-
final
- gap → Widget?
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double?
-
final
- hintText → String?
-
final
-
items
→ List<
String> -
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- margin → EdgeInsets?
-
final
-
onChanged
→ ValueChanged<
String?> ? -
final
- padding → EdgeInsets?
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → String?
-
final
- width → double?
-
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< DropdownButton> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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