LyricReaderState class

Inheritance
Mixed-in types

Constructors

LyricReaderState()

Properties

cacheBox ↔ BoxConstraints?
getter/setter pair
cacheLine ↔ int
缓存下lineIndex避免重复获取
getter/setter pair
centerLyricIndexStream ↔ StreamController<int>
getter/setter pair
context → BuildContext
The location in the tree where this widget builds.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
isDrag ↔ bool
getter/setter pair
isShowSelectLineWidget ↔ bool
getter/setter pair
isWait ↔ bool
等待恢复
getter/setter pair
lyricPaint ↔ LyricsReaderPaint
getter/setter pair
mounted → bool
Whether this State object is currently in a tree.
no setterinherited
mSize ↔ Size
getter/setter pair
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
waitTimer ↔ Timer?
getter/setter pair
widget → LyricsReader
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
animationOffset(double offset) → void
update progress use animation
build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
buildReaderWidget() → Container
build reader widget
buildSelectLineWidget() → Positioned
buildTouchReader(dynamic child) → Widget
support touch event
createTicker(TickerCallback onTick) → Ticker
Creates a ticker with the given callback.
inherited
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant LyricsReader oldWidget) → void
Called whenever the widget configuration changes.
override
dispose() → void
Called when this object is removed from the tree permanently.
override
disposeFiling() → dynamic
disposeHighlight() → dynamic
disposeLine() → dynamic
disposeSelectLineDelay() → dynamic
getTextPaint(String? text, TextStyle style, {Size? size, TextPainter? linePaint}) → TextPainter
获取文本高度
handleDragEnd(DragEndDetails event) → dynamic
handleHighlight() → void
enable highlight animation if playing status is null,no highlight.
handleSize() → dynamic
handle widget size default screenWidth,screenWidth if outside box has limit,then select min value
initState() → void
Called when this object is inserted into the tree.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
realUpdateOffset(double offset, [bool animation = true]) → void
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
refreshLyricHeight(Size size) → dynamic
calculate all line draw info
resumeSelectLineOffset() → dynamic
handle select line
safeLyricOffset(double offset, [bool animation = true]) → dynamic
update progress after verify
scrollToPlayLine([bool animation = true]) → void
select current play line
selectLine(int line) → void
selectLineAndScrollToPlayLine([bool animation = true]) → void
setSelectLine(bool isShow) → void
show select line
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
inherited
setTextInlineInfo(LyricDrawInfo drawInfo, LyricUI ui, String text) → void
setTextSpanDrawInfo(LyricUI ui, List<LyricSpanInfo> spanList, TextPainter painter) → void
计算span宽度
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
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited