Flutter 颤振腹板:应为类型为';SkDeletable';,但是得到了一个类型';空';
在Flatter web中获取此错误:Flutter 颤振腹板:应为类型为';SkDeletable';,但是得到了一个类型';空';,flutter,dart,flutter-web,Flutter,Dart,Flutter Web,在Flatter web中获取此错误:应为“SkDeletable”类型的值,但在尝试构建卡时获取了“Null”类型的值。 它在:发布模式下工作正常,但在调试模式下工作不正常。有人知道这是从哪里来的吗?错误日志除了导致错误的小部件(即CustomCard 这是我的密码: CustomCard( cardWidth: _cardWidth, cardHeight: _cardHeight, serviceIcon:
应为“SkDeletable”类型的值,但在尝试构建卡时获取了“Null”类型的值。
它在:发布模式
下工作正常,但在调试模式
下工作不正常。有人知道这是从哪里来的吗?错误日志除了导致错误的小部件(即CustomCard
这是我的密码:
CustomCard(
cardWidth: _cardWidth,
cardHeight: _cardHeight,
serviceIcon: servicesBackgrounds[3],
serviceTitle: servicesTitles[3],
serviceDescription: servicesDescriptions[3],
),
//-----------------------------------------------------------------------------------//
final double _height = MediaQuery.of(context).size.height;
final double _width = MediaQuery.of(context).size.width;
Container(
width: widget.cardWidth,
height: widget.cardHeight,
padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 12),
child: Card(
semanticContainer: true,
clipBehavior: Clip.antiAliasWithSaveLayer,
shape:
RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
elevation: 2,
child: Container(
decoration: BoxDecoration(
image: DecorationImage(
image: ExactAssetImage(widget.serviceIcon),
fit: BoxFit.cover),
color: darkBlue,
borderRadius: BorderRadius.circular(10),
boxShadow: isHover
? [
BoxShadow(
color: crimson,
blurRadius: 24.0,
offset: Offset(5.0, 15.0))
]
: []),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 0, sigmaY: 0),
child: Container(
decoration: BoxDecoration(color: darkBlue.withOpacity(0.8)),
//alignment: Alignment.center,
child: Stack(
children: [
Positioned(
top: _height * 0.02,
right: _width * 0.1,
left: _width * 0.1,
child: Text(widget.serviceTitle,
textAlign: TextAlign.center,
style: brandTextStyle(white, 25)),
),
Positioned(
right: _width * 0.1,
left: _width * 0.1,
bottom: _height * 0.1,
child: Text(widget.serviceDescription,
textAlign: TextAlign.center,
style: typerTextStyle(white, 14)),
)
],
),
),
),
),
),
),