FractionalScreen class

Inheritance

Constructors

FractionalScreen({Key key, double widthFactor: 1.0, double heightFactor: 1.0, Widget child, List<Widget> columnChildren, List<Widget> rowChildren, Axis direction: Axis.vertical, bool scrollable: true, MainAxisAlignment mainAxisAlignment: MainAxisAlignment.start, MainAxisSize mainAxisSize: MainAxisSize.max, CrossAxisAlignment crossAxisAlignment: CrossAxisAlignment.center, TextDirection textDirection, VerticalDirection verticalDirection: VerticalDirection.down, TextBaseline textBaseline, EdgeInsets padding: EdgeInsets.zero, bool safeArea, @required List<Widget> children})
const

Properties

child Widget
child, columnChildren, rowChildren三个只能设置一个 如果都设置了, 那就按child->columnChildren->rowChildren的优先级作为child使用 child
@Deprecated('使用children'), final
children → List<Widget>
不管有一个还是多个child, 都用这个, 然后用direction来区分方向
final
columnChildren → List<Widget>
子控件为Column的children
@Deprecated('使用children'), final
crossAxisAlignment CrossAxisAlignment
final
direction Axis
排列方向
final
heightFactor → double
占屏幕高度百分比
final
mainAxisAlignment MainAxisAlignment
final
mainAxisSize MainAxisSize
final
padding EdgeInsets
内间距
final
rowChildren → List<Widget>
子控件为Row的children
@Deprecated('使用children'), final
safeArea → bool
是否Safe Area
final
scrollable → bool
是否可以滚动, 可以配合键盘使用
final
textBaseline TextBaseline
final
textDirection TextDirection
final
verticalDirection VerticalDirection
final
widthFactor → double
占屏幕宽度百分比
final
hashCode → int
The hash code for this object.
read-only, inherited
key Key
Controls how one widget replaces another widget in the tree.
final, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

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.
@protected, inherited
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.debug}) → String
Returns 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 ==(dynamic other) → bool
The equality operator.
inherited