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Merge branch 'material_yczhang' into 'material' 

Material yczhang

See merge request upm-packages/ui-widgets/com.unity.uiwidgets!46
/main
Xingwei Zhu 6 年前
当前提交
8be59e50
共有 10 个文件被更改，包括 774 次插入 和 3 次删除
  1. 2
      Runtime/material/button_theme.cs
  2. 1
      Runtime/material/divider.cs
  3. 7
      Runtime/material/icon_button.cs
  4. 28
      Runtime/material/utils.cs
  5. 67
      Runtime/material/button_bar.cs
  6. 178
      Runtime/material/flat_button.cs
  7. 194
      Runtime/material/ink_ripple.cs
  8. 206
      Runtime/material/raised_button.cs
  9. 94
      Samples/MaterialSample/DividerButtonCanvas.cs

2
Runtime/material/button_theme.cs
查看文件


}
Color getFillColor(MaterialButton button) {
public Color getFillColor(MaterialButton button) {
Color fillColor = button.enabled ? button.color : button.disabledColor;
if (fillColor != null) {
return fillColor;

1
Runtime/material/divider.cs
查看文件


using Unity.UIWidgets.foundation;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.ui;

7
Runtime/material/icon_button.cs
查看文件


using System;
using Unity.UIWidgets.rendering;
using Unity.UIWidgets.rendering;
using System;
public IconButton(
Key key = null,
double iconSize = 24.0,

28
Runtime/material/utils.cs
查看文件


}
}
public static class InkRippleUtils {
public static readonly TimeSpan _kUnconfirmedRippleDuration = new TimeSpan(0, 0, 1);
public static readonly TimeSpan _kFadeInDuration = new TimeSpan(0, 0, 0, 0, 75);
public static readonly TimeSpan _kRadiusDuration = new TimeSpan(0, 0, 0, 0, 225);
public static readonly TimeSpan _kFadeOutDuration = new TimeSpan(0, 0, 0, 0, 375);
public static readonly TimeSpan _kCancelDuration = new TimeSpan(0, 0, 0, 0, 75);
// The fade out begins 225ms after the _fadeOutController starts. See confirm().
public const double _kFadeOutIntervalStart = 225.0 / 375.0;
public static RectCallback _getClipCallback(RenderBox referenceBox, bool containedInkWell, RectCallback rectCallback) {
if (rectCallback != null) {
D.assert(containedInkWell);
return rectCallback;
}
if (containedInkWell)
return () => Offset.zero & referenceBox.size;
return null;
}
public static double _getTargetRadius(RenderBox referenceBox, bool containedInkWell, RectCallback rectCallback, Offset position) {
Size size = rectCallback != null ? rectCallback().size : referenceBox.size;
double d1 = size.bottomRight(Offset.zero).distance;
double d2 = (size.topRight(Offset.zero) - size.bottomLeft(Offset.zero)).distance;
return Math.Max(d1, d2) / 2.0;
}
}
public static class ScrollbarUtils {
public static readonly TimeSpan _kScrollbarFadeDuration = TimeSpan.FromMilliseconds(300);

67
Runtime/material/button_bar.cs
查看文件


using System;
using System.Collections;
using System.Collections.Generic;
using Unity.UIWidgets.rendering;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.gestures;
using Unity.UIWidgets.service;
using Unity.UIWidgets.ui;
using Unity.UIWidgets.widgets;
namespace Unity.UIWidgets.material {
public class ButtonBar : StatelessWidget {
public ButtonBar(
Key key = null,
MainAxisAlignment alignment = MainAxisAlignment.end,
MainAxisSize mainAxisSize = MainAxisSize.max,
List<Widget> children = null
) : base(key : key) {
this.alignment = alignment;
this.mainAxisSize = mainAxisSize;
this.children = children ?? new List<Widget>();
}
public readonly MainAxisAlignment alignment;
public readonly MainAxisSize mainAxisSize;
public readonly List<Widget> children;
public override Widget build(BuildContext context) {
ButtonThemeData buttonTheme = ButtonTheme.of(context);
double paddingUnit = buttonTheme.padding.horizontal / 4.0;
List<Widget> _children = new List<Widget>();
foreach(Widget _child in children) {
_children.Add(new Padding(
padding: EdgeInsets.symmetric(horizontal: paddingUnit),
child: _child
));
}
Widget child = new Row(
mainAxisAlignment: alignment,
mainAxisSize: mainAxisSize,
children: _children
);
switch(buttonTheme.layoutBehavior) {
case ButtonBarLayoutBehavior.padded:
return new Padding(
padding: EdgeInsets.symmetric(
vertical: 2.0 * paddingUnit,
horizontal: paddingUnit
),
child: child
);
case ButtonBarLayoutBehavior.constrained:
return new Container(
padding: EdgeInsets.symmetric(horizontal: paddingUnit),
constraints: new BoxConstraints(minHeight: 52.0),
alignment: Alignment.center,
child: child
);
}
D.assert(false);
return null;
}
}
}

178
Runtime/material/flat_button.cs
查看文件


using System;
using System.Collections.Generic;
using Unity.UIWidgets.rendering;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.service;
using Unity.UIWidgets.ui;
using Unity.UIWidgets.widgets;
namespace Unity.UIWidgets.material {
public class FlatButton : MaterialButton {
public FlatButton(
Key key = null,
VoidCallback onPressed = null,
ValueChanged<bool> onHighlightChanged = null,
ButtonTextTheme? textTheme = null,
Color textColor = null,
Color disabledTextColor = null,
Color color = null,
Color disabledColor = null,
Color highlightColor = null,
Color splashColor = null,
Brightness? colorBrightness = null,
EdgeInsets padding = null,
ShapeBorder shape = null,
Clip clipBehavior = Clip.none,
MaterialTapTargetSize? materialTapTargetSize = null,
Widget child = null) : base(
key: key,
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
textTheme: textTheme,
textColor: textColor,
disabledTextColor: disabledTextColor,
color: color,
disabledColor: disabledColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorBrightness: colorBrightness,
elevation: null,
highlightElevation: null,
disabledElevation: null,
padding: padding,
shape: shape,
clipBehavior: clipBehavior,
materialTapTargetSize: materialTapTargetSize,
animationDuration: null,
minWidth: null,
height: null,
child: child) {}
public static FlatButton icon(
Key key = null,
VoidCallback onPressed = null,
ValueChanged<bool> onHighlightChanged = null,
ButtonTextTheme? textTheme = null,
Color textColor = null,
Color disabledTextColor = null,
Color color = null,
Color disabledColor = null,
Color highlightColor = null,
Color splashColor = null,
Brightness? colorBrightness = null,
EdgeInsets padding = null,
ShapeBorder shape = null,
Clip clipBehavior = Clip.none,
MaterialTapTargetSize? materialTapTargetSize = null,
Widget icon = null,
Widget label = null) {
return new _FlatButtonWithIcon(
key: key,
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
textTheme: textTheme,
textColor: textColor,
disabledTextColor: disabledTextColor,
color: color,
disabledColor: disabledColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorBrightness: colorBrightness,
padding: padding,
shape: shape,
clipBehavior: clipBehavior,
materialTapTargetSize: materialTapTargetSize,
icon: icon,
label: label
);
}
public override Widget build(BuildContext context) {
ThemeData theme = Theme.of(context);
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return new RawMaterialButton(
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
clipBehavior: clipBehavior ?? Clip.none,
fillColor: buttonTheme.getFillColor(this),
textStyle: theme.textTheme.button.copyWith(color: buttonTheme.getTextColor(this)),
highlightColor: buttonTheme.getHighlightColor(this),
splashColor: buttonTheme.getSplashColor(this),
elevation: buttonTheme.getElevation(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
disabledElevation: buttonTheme.getDisabledElevation(this),
padding: buttonTheme.getPadding(this),
constraints: buttonTheme.getConstraints(this),
shape: buttonTheme.getShape(this),
animationDuration: buttonTheme.getAnimationDuration(this),
materialTapTargetSize: buttonTheme.getMaterialTapTargetSize(this),
child: child
);
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties);
properties.add(new ObjectFlagProperty<VoidCallback>("onPressed", onPressed, ifNull: "disabled"));
properties.add(new DiagnosticsProperty<ButtonTextTheme?>("textTheme", textTheme, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("textColor", textColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("disabledTextColor", disabledTextColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("color", color, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("disabledColor", disabledColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("highlightColor", highlightColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("splashColor", splashColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Brightness?>("colorBrightness", colorBrightness, defaultValue: null));
properties.add(new DiagnosticsProperty<EdgeInsets>("padding", padding, defaultValue: null));
properties.add(new DiagnosticsProperty<ShapeBorder>("shape", shape, defaultValue: null));
properties.add(new DiagnosticsProperty<MaterialTapTargetSize?>("materialTapTargetSize", materialTapTargetSize, defaultValue: null));
}
}
class _FlatButtonWithIcon : FlatButton {
public _FlatButtonWithIcon(
Key key = null,
VoidCallback onPressed = null,
ValueChanged<bool> onHighlightChanged = null,
ButtonTextTheme? textTheme = null,
Color textColor = null,
Color disabledTextColor = null,
Color color = null,
Color disabledColor = null,
Color highlightColor = null,
Color splashColor = null,
Brightness? colorBrightness = null,
EdgeInsets padding = null,
ShapeBorder shape = null,
Clip clipBehavior = Clip.none,
MaterialTapTargetSize? materialTapTargetSize = null,
Widget icon = null,
Widget label = null) : base(
key: key,
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
textTheme: textTheme,
textColor: textColor,
disabledTextColor: disabledTextColor,
color: color,
disabledColor: disabledColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorBrightness: colorBrightness,
padding: padding,
shape: shape,
clipBehavior: clipBehavior,
materialTapTargetSize: materialTapTargetSize,
child: new Row(
mainAxisSize: MainAxisSize.min,
children: new List<Widget> {
icon,
new SizedBox(width: 8.0),
label
}
)) {
D.assert(icon != null);
D.assert(label != null);
}
}
}

194
Runtime/material/ink_ripple.cs
查看文件


using System;
using Unity.UIWidgets.animation;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.rendering;
using Unity.UIWidgets.ui;
namespace Unity.UIWidgets.material {
public class _InkRippleFactory : InteractiveInkFeatureFactory {
public _InkRippleFactory() {
}
public override InteractiveInkFeature create(
MaterialInkController controller = null,
RenderBox referenceBox = null,
Offset position = null,
Color color = null,
bool containedInkWell = false,
RectCallback rectCallback = null,
BorderRadius borderRadius = null,
ShapeBorder customBorder = null,
double? radius = null,
VoidCallback onRemoved = null
) {
D.assert(controller != null);
D.assert(referenceBox != null);
D.assert(position != null);
D.assert(color != null);
return new InkRipple(
controller: controller,
referenceBox: referenceBox,
position: position,
color: color,
containedInkWell: containedInkWell,
rectCallback: rectCallback,
borderRadius: borderRadius,
customBorder: customBorder,
radius: radius,
onRemoved: onRemoved);
}
}
public class InkRipple : InteractiveInkFeature {
public InkRipple(
MaterialInkController controller = null,
RenderBox referenceBox = null,
Offset position = null,
Color color = null,
bool containedInkWell = false,
RectCallback rectCallback = null,
BorderRadius borderRadius = null,
ShapeBorder customBorder = null,
double? radius = null,
VoidCallback onRemoved = null
) : base(
controller: controller,
referenceBox: referenceBox,
color: color,
onRemoved: onRemoved) {
D.assert(controller != null);
D.assert(referenceBox != null);
this._position = position;
this._borderRadius = borderRadius ?? BorderRadius.zero;
this._customBorder = customBorder;
this._targetRadius =
radius ?? InkRippleUtils._getTargetRadius(referenceBox, containedInkWell, rectCallback, position);
this._clipCallback = InkRippleUtils._getClipCallback(referenceBox, containedInkWell, rectCallback);
D.assert(this._borderRadius != null);
this._fadeInController = new AnimationController(duration: InkRippleUtils._kFadeInDuration, vsync: controller.vsync);
this._fadeInController.addListener(controller.markNeedsPaint);
this._fadeInController.forward();
this._fadeIn = this._fadeInController.drive(new IntTween(
begin: 0,
end: color.alpha
));
this._radiusController = new AnimationController(
duration: InkRippleUtils._kUnconfirmedRippleDuration,
vsync: controller.vsync);
this._radiusController.addListener(controller.markNeedsPaint);
this._radiusController.forward();
this._radius = this._radiusController.drive(new DoubleTween(
begin: this._targetRadius * 0.30,
end: this._targetRadius + 5.0).chain(_easeCurveTween));
this._fadeOutController = new AnimationController(
duration: InkRippleUtils._kFadeOutDuration,
vsync: controller.vsync);
this._fadeOutController.addListener(controller.markNeedsPaint);
this._fadeOutController.addStatusListener(this._handleAlphaStatusChanged);
this._fadeOut = this._fadeOutController.drive(new IntTween(
begin: color.alpha,
end: 0).chain(_fadeOutIntervalTween));
controller.addInkFeature(this);
}
readonly Offset _position;
readonly BorderRadius _borderRadius;
readonly ShapeBorder _customBorder;
readonly double _targetRadius;
readonly RectCallback _clipCallback;
Animation<double> _radius;
AnimationController _radiusController;
Animation<int> _fadeIn;
AnimationController _fadeInController;
Animation<int> _fadeOut;
AnimationController _fadeOutController;
public static InteractiveInkFeatureFactory rippleFactory = new _InkRippleFactory();
static Animatable<double> _easeCurveTween = new CurveTween(curve: Curves.ease);
static Animatable<double> _fadeOutIntervalTween = new CurveTween(curve: new Interval(InkRippleUtils._kFadeOutIntervalStart, 1.0));
public override void confirm() {
this._radiusController.duration = InkRippleUtils._kRadiusDuration;
this._radiusController.forward();
this._fadeOutController.animateTo(1.0, duration: InkRippleUtils._kFadeOutDuration);
}
public override void cancel() {
_fadeInController.stop();
double fadeOutValue = 1.0 - _fadeInController.value;
_fadeOutController.setValue(fadeOutValue);
if (fadeOutValue < 1.0)
_fadeOutController.animateTo(1.0, duration: InkRippleUtils._kCancelDuration);
}
void _handleAlphaStatusChanged(AnimationStatus status) {
if (status == AnimationStatus.completed) {
this.dispose();
}
}
public override void dispose() {
this._radiusController.dispose();
this._fadeInController.dispose();
this._fadeOutController.dispose();
base.dispose();
}
protected override void paintFeature(Canvas canvas, Matrix3 transform) {
int alpha = _fadeInController.isAnimating ? _fadeIn.value : _fadeOut.value;
Paint paint = new Paint {color = this.color.withAlpha(alpha)};
Offset center = Offset.lerp(
_position,
referenceBox.size.center(Offset.zero),
Curves.ease.transform(_radiusController.value)
);
Offset originOffset = MatrixUtils.getAsTranslation(transform);
canvas.save();
if (originOffset == null) {
canvas.concat(transform);
} else {
canvas.translate(originOffset.dx, originOffset.dy);
}
if (this._clipCallback != null) {
Rect rect = this._clipCallback();
if (this._customBorder != null) {
canvas.clipPath(this._customBorder.getOuterPath(rect));
}
else if (this._borderRadius != BorderRadius.zero) {
canvas.clipRRect(RRect.fromRectAndCorners(
rect,
topLeft: this._borderRadius.topLeft,
topRight: this._borderRadius.topRight,
bottomLeft: this._borderRadius.bottomLeft,
bottomRight: this._borderRadius.bottomRight));
}
else {
canvas.clipRect(rect);
}
}
//todo xingwei.zhu: remove this condition when drawCircle bug fixed (when radius.value == 0)
if (this._radius.value != 0) {
canvas.drawCircle(center, this._radius.value, paint);
}
canvas.restore();
}
}
}

206
Runtime/material/raised_button.cs
查看文件


using System;
using System.Collections.Generic;
using Unity.UIWidgets.rendering;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.service;
using Unity.UIWidgets.ui;
using Unity.UIWidgets.widgets;
namespace Unity.UIWidgets.material {
public class RaisedButton : MaterialButton {
public RaisedButton(
Key key = null,
VoidCallback onPressed = null,
ValueChanged<bool> onHighlightChanged = null,
ButtonTextTheme textTheme = ButtonTextTheme.normal,
Color textColor = null,
Color disabledTextColor = null,
Color color = null,
Color disabledColor = null,
Color highlightColor = null,
Color splashColor = null,
Brightness? colorBrightness = null,
double? elevation = null,
double? highlightElevation = null,
double? disabledElevation = null,
EdgeInsets padding = null,
ShapeBorder shape = null,
Clip clipBehavior = Clip.none,
MaterialTapTargetSize? materialTapTargetSize = null,
TimeSpan? animationDuration = null,
Widget child = null) : base(
key: key,
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
textTheme: textTheme,
textColor: textColor,
disabledTextColor: disabledTextColor,
color: color,
disabledColor: disabledColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorBrightness: colorBrightness,
elevation: elevation,
highlightElevation: highlightElevation,
disabledElevation: disabledElevation,
padding: padding,
shape: shape,
clipBehavior: clipBehavior,
materialTapTargetSize: materialTapTargetSize,
animationDuration: animationDuration,
child: child) {
D.assert(elevation == null || elevation >= 0.0);
D.assert(highlightElevation == null || highlightElevation >= 0.0);
D.assert(disabledElevation == null || disabledElevation >= 0.0);
}
public static RaisedButton icon(
Key key = null,
VoidCallback onPressed = null,
ValueChanged<bool> onHighlightChanged = null,
ButtonTextTheme textTheme = ButtonTextTheme.normal,
Color textColor = null,
Color disabledTextColor = null,
Color color = null,
Color disabledColor = null,
Color highlightColor = null,
Color splashColor = null,
Brightness colorBrightness = Brightness.dark,
double? elevation = null,
double? highlightElevation = null,
double? disabledElevation = null,
EdgeInsets padding = null,
ShapeBorder shape = null,
Clip clipBehavior = Clip.none,
MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.padded,
TimeSpan? animationDuration = null,
Widget icon = null,
Widget label = null) {
return new _RaisedButtonWithIcon(
key: key,
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
textTheme: textTheme,
textColor: textColor,
disabledTextColor: disabledTextColor,
color: color,
disabledColor: disabledColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorBrightness: colorBrightness,
elevation: elevation,
highlightElevation: highlightElevation,
disabledElevation: disabledElevation,
padding: padding,
shape: shape,
clipBehavior: clipBehavior,
materialTapTargetSize: materialTapTargetSize,
animationDuration: animationDuration,
icon: icon,
label: label);
}
public override Widget build(BuildContext context) {
ThemeData theme = Theme.of(context);
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return new RawMaterialButton(
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
clipBehavior: clipBehavior ?? Clip.none,
fillColor: buttonTheme.getFillColor(this),
textStyle: theme.textTheme.button.copyWith(color: buttonTheme.getTextColor(this)),
highlightColor: buttonTheme.getHighlightColor(this),
splashColor: buttonTheme.getSplashColor(this),
elevation: buttonTheme.getElevation(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
disabledElevation: buttonTheme.getDisabledElevation(this),
padding: buttonTheme.getPadding(this),
constraints: buttonTheme.getConstraints(this),
shape: buttonTheme.getShape(this),
animationDuration: buttonTheme.getAnimationDuration(this),
materialTapTargetSize: buttonTheme.getMaterialTapTargetSize(this),
child: child
);
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties);
properties.add(new ObjectFlagProperty<VoidCallback>("onPressed", onPressed, ifNull: "disabled"));
properties.add(new DiagnosticsProperty<ButtonTextTheme?>("textTheme", textTheme, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("textColor", textColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("disabledTextColor", disabledTextColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("color", color, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("disabledColor", disabledColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("highlightColor", highlightColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Color>("splashColor", splashColor, defaultValue: null));
properties.add(new DiagnosticsProperty<Brightness?>("colorBrightness", colorBrightness, defaultValue: null));
properties.add(new DiagnosticsProperty<double?>("elevation", elevation, defaultValue: null));
properties.add(new DiagnosticsProperty<double?>("highlightElevation", highlightElevation, defaultValue: null));
properties.add(new DiagnosticsProperty<double?>("disabledElevation", disabledElevation, defaultValue: null));
properties.add(new DiagnosticsProperty<EdgeInsets>("padding", padding, defaultValue: null));
properties.add(new DiagnosticsProperty<ShapeBorder>("shape", shape, defaultValue: null));
properties.add(new DiagnosticsProperty<MaterialTapTargetSize?>("materialTapTargetSize", materialTapTargetSize, defaultValue: null));
}
}
class _RaisedButtonWithIcon : RaisedButton {
public _RaisedButtonWithIcon(
Key key = null,
VoidCallback onPressed = null,
ValueChanged<bool> onHighlightChanged = null,
ButtonTextTheme textTheme = ButtonTextTheme.normal,
Color textColor = null,
Color disabledTextColor = null,
Color color = null,
Color disabledColor = null,
Color highlightColor = null,
Color splashColor = null,
Brightness colorBrightness = Brightness.dark,
double? elevation = null,
double? highlightElevation = null,
double? disabledElevation = null,
EdgeInsets padding = null,
ShapeBorder shape = null,
Clip clipBehavior = Clip.none,
MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.padded,
TimeSpan? animationDuration = null,
Widget icon = null,
Widget label = null) : base(
key: key,
onPressed: onPressed,
onHighlightChanged: onHighlightChanged,
textTheme: textTheme,
textColor: textColor,
disabledTextColor: disabledTextColor,
color: color,
disabledColor: disabledColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorBrightness: colorBrightness,
elevation: elevation,
highlightElevation: highlightElevation,
disabledElevation: disabledElevation,
padding: padding,
shape: shape,
clipBehavior: clipBehavior,
materialTapTargetSize: materialTapTargetSize,
animationDuration: animationDuration,
child: new Row(
mainAxisSize: MainAxisSize.min,
children: new List<Widget> {
icon,
new SizedBox(width: 8.0),
label
}
)) {
D.assert(elevation == null || elevation >= 0.0);
D.assert(highlightElevation == null || highlightElevation >= 0.0);
D.assert(disabledElevation == null || disabledElevation >= 0.0);
D.assert(icon != null);
D.assert(label != null);
}
}
}

94
Samples/MaterialSample/DividerButtonCanvas.cs
查看文件


using System.Collections.Generic;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.engine;
using Unity.UIWidgets.widgets;
using Unity.UIWidgets.gestures;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.material;
using Unity.UIWidgets.ui;
using Color = Unity.UIWidgets.ui.Color;
using TextStyle = Unity.UIWidgets.painting.TextStyle;
namespace UIWidgetsSample {
public class DividerButtonCanvas : WidgetCanvas {
protected override Widget getWidget() {
return new DemoApp();
}
public class DemoApp : StatefulWidget {
public DemoApp(Key key = null) : base(key) {
}
public override State createState() {
return new _DemoAppState();
}
}
public class _DemoAppState : State<DemoApp> {
string title = "Hello";
string subtitle = "World";
TextEditingController controller = new TextEditingController("");
public override Widget build(BuildContext context) {
return new Container(
height: 200,
padding: EdgeInsets.all(10),
decoration: new BoxDecoration(
color: new Color(0xFFEF1F7F),
border: Border.all(color: Color.fromARGB(255, 0xDF, 0x10, 0x70), width: 5),
borderRadius: BorderRadius.all(20)
),
child: new Center(
child: new Column(
children: new List<Widget>() {
new Text(title),
new Divider(),
new Text(subtitle),
new Divider(),
new Container(
width: 500,
decoration: new BoxDecoration(border: Border.all(new Color(0xFF00FF00), 1)),
child: new EditableText(
controller: controller,
focusNode: new FocusNode(),
style: new TextStyle(
fontSize: 18,
height: 1.5f,
color: new Color(0xFFFF89FD)),
cursorColor: Color.fromARGB(255, 0, 0, 0)
)
),
new Divider(),
new ButtonBar(
children: new List<Widget> {
new FlatButton(
onPressed: () => {
setState(() => {
title = controller.text;
});
},
padding: EdgeInsets.all(5.0),
child: new Center(
child: new Text("Set Title")
)
),
new RaisedButton(
onPressed: () => {
setState(() => {
subtitle = controller.text;
});
},
padding: EdgeInsets.all(5.0),
child: new Center(
child: new Text("Set Subtitle")
)
)
}
)
}
)
)
);
}
}
}
}
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