DropDownSettingsTile<T> class

DropDownSettingsTile is a widget that has a list of DropdownMenuItems with given title, subtitle and default/group value which determines which value will be set to selected initially.

This widget support Any type of values which should be put in the preference.

However, since any types of the value is supported, the input for this widget is a Map to the required values with their string representation.

For example if the required value type is a boolean then the values map can be as following: <bool, String> { true: 'Enabled', false: 'Disabled' }

So, if the Enabled value is selected then the value true will be stored in the preference

Complete Example:

DropDownSettingsTile<int>(
  title: 'E-Mail View',
  settingKey: 'key-dropdown-email-view',
  values: <int, String>{
    2: 'Simple',
    3: 'Adjusted',
    4: 'Normal',
    5: 'Compact',
    6: 'Squeezed',
  },
  selected: 2,
  onChange: (value) {
    debugPrint('key-dropdown-email-view: $value');
  },
);
Inheritance

Constructors

Properties

enabled bool
flag which represents the state of the settings, if false the the tile will ignore all the user inputs, default = true
final
hashCode int
The hash code for this object.
@nonVirtualread-onlyinherited
key Key
Controls how one widget replaces another widget in the tree.
finalinherited
onChange OnChanged<T>
on change callback for handling the value change
final
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
selected → T
Selected value in the radio button group otherwise known as group value
final
settingKey String
Settings Key string for storing the state of Radio buttons in cache (assumed to be unique)
final
subtitle String
subtitle for the settings tile, default = ''
final
title String
title for the settings tile
final
values Map<T, String>
A map containing unique values along with the display name
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _DropDownSettingsTileState<T>
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.
@protectedinherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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}) 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.
@nonVirtualinherited