public static Widget buildSimpleRefreshIndicator(
BuildContext context,
RefreshIndicatorMode refreshState,
float pulledExtent,
float refreshTriggerPullDistance,
float refreshIndicatorExtent
)
{
Curve opacityCurve = new Interval(0.4f, 0.8f, curve: Curves.easeInOut);
return(new Align(
alignment: Alignment.bottomCenter,
child: new Padding(
padding: EdgeInsets.only(bottom: 16.0f),
child: refreshState == RefreshIndicatorMode.drag
? new Opacity(
opacity: opacityCurve.transform(Mathf.Min(pulledExtent / refreshTriggerPullDistance, 1.0f)
),
child: new Icon(
CupertinoIcons.down_arrow,
color: CupertinoDynamicColor.resolve(CupertinoColors.inactiveGray, context),
size: 36.0f
)
)
: new Opacity(
opacity: opacityCurve.transform(
Mathf.Min(pulledExtent / refreshIndicatorExtent, 1.0f)
),
child: new CupertinoActivityIndicator(radius: 14.0f)
)
)
));
}
public bool opaque(BuildContext context)
{
Color backgroundColor =
this.backgroundColor ?? CupertinoTheme.of(context).barBackgroundColor;
return(CupertinoDynamicColor.resolve(backgroundColor, context).alpha == 0xFF);
}
public override Widget build(BuildContext context)
{
TextStyle style = CupertinoActionSheetUtils._kActionSheetActionStyle.copyWith(
color: isDestructiveAction
? CupertinoDynamicColor.resolve(CupertinoColors.systemRed, context)
: CupertinoTheme.of(context).primaryColor);
if (isDefaultAction)
{
style = style.copyWith(fontWeight: FontWeight.w600);
}
return(new GestureDetector(
onTap: () => onPressed(),
behavior: HitTestBehavior.opaque,
child: new ConstrainedBox(
constraints: new BoxConstraints(
minHeight: CupertinoActionSheetUtils._kButtonHeight
),
child: new Container(
alignment: Alignment.center,
padding: EdgeInsets.symmetric(
vertical: 16.0f,
horizontal: 10.0f
),
child: new DefaultTextStyle(
style: style,
child: child,
textAlign: TextAlign.center
)
)
)
));
}
public _CupertinoTextThemeDefaults resolveFrom(BuildContext context, bool nullOk = false)
{
return(new _CupertinoTextThemeDefaults(
CupertinoDynamicColor.resolve(labelColor, context, nullOk: nullOk),
CupertinoDynamicColor.resolve(inactiveGray, context, nullOk: nullOk)
));
}
public override Widget build(BuildContext context)
{
CupertinoThemeData effectiveThemeData = widget.theme ?? new CupertinoThemeData();
return(new ScrollConfiguration(
behavior: new _AlwaysCupertinoScrollBehavior(),
child: new CupertinoUserInterfaceLevel(
data: CupertinoUserInterfaceLevelData.baselayer,
child: new CupertinoTheme(
data: effectiveThemeData,
child: new Builder(
builder: (BuildContext context1) => {
return new WidgetsApp(
key: new GlobalObjectKey <State <StatefulWidget> >(value: this),
navigatorKey: widget.navigatorKey,
navigatorObservers: _navigatorObservers,
pageRouteBuilder: (RouteSettings settings, WidgetBuilder builder) =>
new CupertinoPageRoute(settings: settings, builder: builder),
home: widget.home,
routes: widget.routes,
initialRoute: widget.initialRoute,
onGenerateRoute: widget.onGenerateRoute,
onGenerateInitialRoutes: widget.onGenerateInitialRoutes,
onUnknownRoute: widget.onUnknownRoute,
builder: widget.builder,
title: widget.title,
onGenerateTitle: widget.onGenerateTitle,
textStyle: CupertinoTheme.of(context1).textTheme.textStyle,
color: CupertinoDynamicColor.resolve(widget.color ?? effectiveThemeData.primaryColor, context1),
locale: widget.locale,
localizationsDelegates: _localizationsDelegates,
localeResolutionCallback: widget.localeResolutionCallback,
localeListResolutionCallback: widget.localeListResolutionCallback,
supportedLocales: widget.supportedLocales,
showPerformanceOverlay: widget.showPerformanceOverlay,
checkerboardRasterCacheImages: widget.checkerboardRasterCacheImages,
checkerboardOffscreenLayers: widget.checkerboardOffscreenLayers,
showSemanticsDebugger: widget.showSemanticsDebugger,
debugShowCheckedModeBanner: widget.debugShowCheckedModeBanner,
inspectorSelectButtonBuilder: (BuildContext context3, VoidCallback onPressed) => {
return CupertinoButton.filled(
child: new Icon(
CupertinoIcons.search,
size: 28.0f,
color: CupertinoColors.white
),
padding: EdgeInsets.zero,
onPressed: onPressed
);
},
shortcuts: widget.shortcuts,
actions: widget.actions
);
}
)
)
)
));
}
public static TextStyle _resolveTextStyle(TextStyle style, BuildContext context, bool nullOk)
{
return(style?.copyWith(
color: CupertinoDynamicColor.resolve(style?.color, context, nullOk: nullOk),
backgroundColor: CupertinoDynamicColor.resolve(style?.backgroundColor, context, nullOk: nullOk),
decorationColor: CupertinoDynamicColor.resolve(style?.decorationColor, context, nullOk: nullOk)
));
}
public override RenderObject createRenderObject(BuildContext context)
{
return(new _RenderCupertinoAlert(
dividerThickness: CupertinoActionSheetUtils._kDividerThickness /
MediaQuery.of(context).devicePixelRatio,
dividerColor: CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kButtonDividerColor, context)
));
}
public _TextThemeDefaultsBuilder resolveFrom(BuildContext context, bool nullOk)
{
Color resolvedLabelColor = CupertinoDynamicColor.resolve(labelColor, context, nullOk: nullOk);
Color resolvedInactiveGray = CupertinoDynamicColor.resolve(inactiveGrayColor, context, nullOk: nullOk);
return(resolvedLabelColor == labelColor && resolvedInactiveGray == CupertinoColors.inactiveGray
? this
: new _TextThemeDefaultsBuilder(resolvedLabelColor, resolvedInactiveGray));
}
public override void updateRenderObject(BuildContext context, RenderObject renderObject)
{
((_RenderCupertinoAlertActions)renderObject).dividerThickness = _dividerThickness;
((_RenderCupertinoAlertActions)renderObject).dividerColor =
CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kButtonDividerColor, context);
((_RenderCupertinoAlertActions)renderObject).hasCancelButton = _hasCancelButton;
((_RenderCupertinoAlertActions)renderObject).backgroundColor =
CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kBackgroundColor, context);
((_RenderCupertinoAlertActions)renderObject).pressedColor = CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kPressedColor, context);
}
public override RenderObject createRenderObject(BuildContext context)
{
return(new _RenderCupertinoAlertActions(
dividerThickness: _dividerThickness,
dividerColor: CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kButtonDividerColor, context),
hasCancelButton: _hasCancelButton,
backgroundColor: CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kBackgroundColor, context),
pressedColor: CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kPressedColor, context)
));
}
public new _NoDefaultCupertinoThemeData resolveFrom(BuildContext context, bool nullOk = false)
{
Color convertColor(Color color) => CupertinoDynamicColor.resolve(color, context, nullOk: nullOk);
return(new _NoDefaultCupertinoThemeData(
brightness,
convertColor(primaryColor),
convertColor(primaryContrastingColor),
textTheme?.resolveFrom(context, nullOk: nullOk),
convertColor(barBackgroundColor),
convertColor(scaffoldBackgroundColor)
));
}
public _CupertinoThemeDefaults resolveFrom(BuildContext context, bool resolveTextTheme, bool nullOk = false)
{
Color convertColor(Color color) => CupertinoDynamicColor.resolve(color, context, nullOk: nullOk);
return(new _CupertinoThemeDefaults(
brightness: brightness,
primaryColor: convertColor(primaryColor),
primaryContrastingColor: convertColor(primaryContrastingColor),
barBackgroundColor: convertColor(barBackgroundColor),
scaffoldBackgroundColor: convertColor(scaffoldBackgroundColor),
textThemeDefaults: resolveTextTheme ? textThemeDefaults?.resolveFrom(context, nullOk: nullOk) : textThemeDefaults
));
}
public CupertinoThemeData resolveFrom(BuildContext context, bool nullOk = false)
{
Color convertColor(Color color) => CupertinoDynamicColor.resolve(color, context, nullOk: nullOk);
return(new CupertinoThemeData(
brightness: brightness,
primaryColor: convertColor(_primaryColor),
primaryContrastingColor: convertColor(_primaryContrastingColor),
textTheme: _textTheme?.resolveFrom(context, nullOk: nullOk),
barBackgroundColor: convertColor(_barBackgroundColor),
scaffoldBackgroundColor: convertColor(_scaffoldBackgroundColor),
defaults: _defaults.resolveFrom(context, _textTheme == null, nullOk: nullOk)
));
}
public override void updateRenderObject(BuildContext context, RenderObject _renderObject)
{
_RenderCupertinoSlider renderObject = _renderObject as _RenderCupertinoSlider;
renderObject.value = value ?? 0.0f;
renderObject.divisions = divisions;
renderObject.activeColor = activeColor;
renderObject.thumbColor = CupertinoDynamicColor.resolve(thumbColor, context);
renderObject.trackColor = CupertinoDynamicColor.resolve(CupertinoColors.systemFill, context);
renderObject.onChanged = onChanged;
renderObject.onChangeStart = onChangeStart;
renderObject.onChangeEnd = onChangeEnd;
renderObject.textDirection = Directionality.of(context);
}
public override Widget build(BuildContext context)
{
return(new SizedBox(
height: widget.radius * 2,
width: widget.radius * 2,
child: new CustomPaint(
painter: new _CupertinoActivityIndicatorPainter(
position: _controller,
activeColor: CupertinoDynamicColor.resolve(CupertinoActivityIndicatorUtils._kActiveTickColor, context),
radius: widget.radius
)
)
));
}
public ScrollbarPainter _buildCupertinoScrollbarPainter(BuildContext context)
{
return(new ScrollbarPainter(
color: CupertinoDynamicColor.resolve(CupertinoScrollbarUtils._kScrollbarColor, context),
textDirection: Directionality.of(context),
thickness: _thickness,
fadeoutOpacityAnimation: _fadeoutOpacityAnimation,
mainAxisMargin: CupertinoScrollbarUtils._kScrollbarMainAxisMargin,
crossAxisMargin: CupertinoScrollbarUtils._kScrollbarCrossAxisMargin,
radius: _radius,
padding: MediaQuery.of(context).padding,
minLength: CupertinoScrollbarUtils._kScrollbarMinLength,
minOverscrollLength: CupertinoScrollbarUtils._kScrollbarMinOverscrollLength
));
}
public CupertinoTextThemeData resolveFrom(BuildContext context, bool nullOk = false)
{
return(new CupertinoTextThemeData(
_defaults?.resolveFrom(context, nullOk),
CupertinoDynamicColor.resolve(_primaryColor, context, nullOk: nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_textStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_actionTextStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_tabLabelTextStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_navTitleTextStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_navLargeTitleTextStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_navActionTextStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_pickerTextStyle, context, nullOk),
CupertinoTextThemeDataUtils._resolveTextStyle(_dateTimePickerTextStyle, context, nullOk)
));
}
public override RenderObject createRenderObject(BuildContext context)
{
return(new _RenderCupertinoSlider(
value: value ?? 0.0f,
divisions: divisions,
activeColor: activeColor,
thumbColor: CupertinoDynamicColor.resolve(thumbColor, context),
trackColor: CupertinoDynamicColor.resolve(CupertinoColors.systemFill, context),
onChanged: onChanged,
onChangeStart: onChangeStart,
onChangeEnd: onChangeEnd,
vsync: vsync,
textDirection: Directionality.of(context)
));
}
public override Widget build(BuildContext context)
{
return(new _CupertinoSliderRenderObjectWidget(
value: (widget.value - widget.min) / (widget.max - widget.min),
divisions: widget.divisions,
activeColor: CupertinoDynamicColor.resolve(
widget.activeColor ?? CupertinoTheme.of(context).primaryColor,
context
),
thumbColor: widget.thumbColor,
onChanged: widget.onChanged != null ? (ValueChanged <float>)_handleChanged : null,
onChangeStart: widget.onChangeStart != null ? (ValueChanged <float>)_handleDragStart : null,
onChangeEnd: widget.onChangeEnd != null ? (ValueChanged <float>)_handleDragEnd : null,
vsync: this
));
}
public static Future <T> showCupertinoModalPopup <T>(
BuildContext context = null,
WidgetBuilder builder = null,
ImageFilter filter = null,
bool?useRootNavigator = true
)
{
D.assert(useRootNavigator != null);
return(Navigator.of(context, rootNavigator: useRootNavigator.Value).push(
new _CupertinoModalPopupRoute(
barrierColor: CupertinoDynamicColor.resolve(_kModalBarrierColor, context),
barrierLabel: "Dismiss",
builder: builder,
filter: filter
)
).to <T>());
}
public static Future showCupertinoModalPopup(
BuildContext context = null,
WidgetBuilder builder = null,
ImageFilter filter = null,
bool useRootNavigator = true,
bool?semanticsDismissible = null
)
{
return(Navigator.of(context, rootNavigator: useRootNavigator).push(
new _CupertinoModalPopupRoute(
barrierColor: CupertinoDynamicColor.resolve(_kModalBarrierColor, context),
barrierLabel: "Dismiss",
builder: builder,
filter: filter
)
));
}
Widget _wrapActiveItem(BuildContext context, Widget item, bool active)
{
if (!active)
{
return(item);
}
Color activeColor = CupertinoDynamicColor.resolve(
this.activeColor ?? CupertinoTheme.of(context).primaryColor,
context
);
return(IconTheme.merge(
data: new IconThemeData(color: activeColor),
child: DefaultTextStyle.merge(
style: new TextStyle(color: activeColor),
child: item
)
));
}
public override Widget build(BuildContext context)
{
Color backgroundColor = isBeingPressed
? CupertinoActionSheetUtils._kCancelPressedColor
: CupertinoColors.secondarySystemGroupedBackground;
return(new GestureDetector(
onTapDown: _onTapDown,
onTapUp: _onTapUp,
onTapCancel: _onTapCancel,
child: new Container(
decoration: new BoxDecoration(
color: CupertinoDynamicColor.resolve(backgroundColor, context),
borderRadius: BorderRadius.circular(CupertinoActionSheetUtils._kCornerRadius)
),
child: widget.child
)
));
}
Widget _buildMagnifierScreen()
{
Color resolvedBorderColor = CupertinoDynamicColor.resolve(CupertinoPickerUtils._kHighlighterBorder, context);
return(new IgnorePointer(
child: new Center(
child: new Container(
decoration: new BoxDecoration(
border: new Border(
top: new BorderSide(width: 0.0f, color: resolvedBorderColor),
bottom: new BorderSide(width: 0.0f, color: resolvedBorderColor)
)
),
constraints: BoxConstraints.expand(
height: widget.itemExtent * widget.magnification
)
)
)
));
}
public override Widget build(BuildContext context)
{
if (needsPositionAnimation)
{
_resumePositionAnimation();
}
return(new Opacity(
opacity: widget.onChanged == null ? CupertinoSwitchUtils._kCupertinoSwitchDisabledOpacity : 1.0f,
child: new _CupertinoSwitchRenderObjectWidget(
value: widget.value,
activeColor: CupertinoDynamicColor.resolve(
widget.activeColor ?? CupertinoColors.systemGreen,
context
),
trackColor: CupertinoDynamicColor.resolve(widget.trackColor ?? CupertinoColors.secondarySystemFill, context),
onChanged: widget.onChanged,
textDirection: Directionality.of(context),
state: this
)
));
}
public override void didChangeDependencies()
{
base.didChangeDependencies();
if (_painter == null)
{
_painter = _buildCupertinoScrollbarPainter(context);
}
else
{
_painter.textDirection = Directionality.of(context);
_painter.color = CupertinoDynamicColor.resolve(CupertinoScrollbarUtils._kScrollbarColor, context);
_painter.padding = MediaQuery.of(context).padding;
}
WidgetsBinding.instance.addPostFrameCallback((TimeSpan duration) => {
if (widget.isAlwaysShown)
{
D.assert(widget.controller != null);
widget.controller.position.didUpdateScrollPositionBy(0);
}
});
}
public static Future showCupertinoDialog(
BuildContext context = null,
WidgetBuilder builder = null,
bool useRootNavigator = true,
RouteSettings routeSettings = null
)
{
D.assert(builder != null);
return(DialogUtils.showGeneralDialog <object>(
context: context,
barrierDismissible: false,
barrierColor: CupertinoDynamicColor.resolve(_kModalBarrierColor, context),
transitionDuration: TimeSpan.FromMilliseconds(250),
pageBuilder: (BuildContext context1, Animation <float> animation, Animation <float> secondaryAnimation) => {
return builder(context1);
},
transitionBuilder: _buildCupertinoDialogTransitions,
useRootNavigator: useRootNavigator,
routeSettings: routeSettings
));
}
Widget _buildContent(BuildContext context)
{
List <Widget> content = new List <Widget>();
if (title != null || message != null)
{
Widget titleSection = new _CupertinoAlertContentSection(
title: title,
message: message,
scrollController: messageScrollController
);
content.Add(new Flexible(child: titleSection));
}
return(new Container(
color: CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kBackgroundColor, context),
child: new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: content
)
));
}
public override Widget build(BuildContext context)
{
Color resolvedBackgroundColor = CupertinoDynamicColor.resolve(widget.backgroundColor, context);
Widget result = new DefaultTextStyle(
style: CupertinoTheme.of(context).textTheme.pickerTextStyle,
child: new Stack(
children: new List <Widget> {
Positioned.fill(
child: new _CupertinoPickerSemantics(
scrollController: widget.scrollController ?? _controller,
child: new ListWheelScrollView(
controller: widget.scrollController ?? _controller,
physics: new FixedExtentScrollPhysics(),
diameterRatio: widget.diameterRatio ?? RenderListWheelViewport.defaultDiameterRatio,
perspective: CupertinoPickerUtils._kDefaultPerspective,
offAxisFraction: widget.offAxisFraction,
useMagnifier: widget.useMagnifier,
magnification: widget.magnification,
overAndUnderCenterOpacity: CupertinoPickerUtils._kOverAndUnderCenterOpacity,
itemExtent: widget.itemExtent,
squeeze: widget.squeeze ?? CupertinoPickerUtils._kSqueeze,
onSelectedItemChanged: _handleSelectedItemChanged,
childDelegate: widget.childDelegate
)
)
),
_buildMagnifierScreen(),
}
)
);
return(new DecoratedBox(
decoration: new BoxDecoration(color: resolvedBackgroundColor),
child: result
));
}
public override void updateRenderObject(BuildContext context, RenderObject renderObject)
{
renderObject = (_RenderCupertinoAlert)renderObject;
base.updateRenderObject(context, renderObject);
((_RenderCupertinoAlert)renderObject).dividerColor = CupertinoDynamicColor.resolve(CupertinoActionSheetUtils._kButtonDividerColor, context);
}