[英]GestureDetector Not working in Listview Builder Flutter
This is the Animation Class where MoviesListView Widget Calls When i apply Animation on listViewBuilder GestureDetector not get Call这是 Animation Class,当我在 listViewBuilder GestureDetector 上应用 Animation 时,MoviesListView 小部件调用未获得调用
import 'package:autoscroll/MoviesListView.dart';
import 'package:autoscroll/data.dart';
import 'package:flutter/material.dart';
class HomeScreen extends StatefulWidget {
@override
_HomeScreenState createState() => _HomeScreenState();
}
class _HomeScreenState extends State<HomeScreen> {
ScrollController _scrollController1 = ScrollController();
ScrollController _scrollController2 = ScrollController();
ScrollController _scrollController3 = ScrollController();
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
double minScrollExtent1 = _scrollController1.position.minScrollExtent;
double maxScrollExtent1 = _scrollController1.position.maxScrollExtent;
double minScrollExtent2 = _scrollController2.position.minScrollExtent;
double maxScrollExtent2 = _scrollController2.position.maxScrollExtent;
double minScrollExtent3 = _scrollController3.position.minScrollExtent;
double maxScrollExtent3 = _scrollController3.position.maxScrollExtent;
//
animateToMaxMin(maxScrollExtent1, minScrollExtent1, maxScrollExtent1, 1,
_scrollController1);
animateToMaxMin(maxScrollExtent2, minScrollExtent2, maxScrollExtent2, 15,
_scrollController2);
animateToMaxMin(maxScrollExtent3, minScrollExtent3, maxScrollExtent3, 20,
_scrollController3);
});
}
animateToMaxMin(double max, double min, double direction, int seconds,
ScrollController scrollController) {
scrollController
.animateTo(direction,
duration: Duration(seconds: seconds), curve: Curves.linear)
.then((value) {
direction = direction == max ? min : max;
animateToMaxMin(max, min, direction, seconds, scrollController);
});
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
backgroundColor: Colors.white,
body: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
Column(
children: [
MoviesListView(
scrollController: _scrollController1,
images: movies1,
),
MoviesListView(
scrollController: _scrollController2,
images: movies2,
),
MoviesListView(
scrollController: _scrollController3,
images: movies3,
),
],
),
Text(
'30 days for free',
style: TextStyle(
fontSize: 35,
fontWeight: FontWeight.bold,
),
),
Material(
elevation: 0,
color: Color(0xfff2c94c),
borderRadius: BorderRadius.circular(20),
child: MaterialButton(
onPressed: () {},
minWidth: 340,
height: 60,
child: Text(
'Continue',
style: TextStyle(
color: Colors.white,
fontSize: 25,
fontWeight: FontWeight.bold,
),
),
),
)
],
),
),
);
}
}
Gesture Detector is not working when i apply animation on List view Builder it didn't let the Gesture Detector work how can I resolve this issue当我在列表视图生成器上应用 animation 时,手势检测器不工作它没有让手势检测器工作我该如何解决这个问题
import 'package:flutter/material.dart';
class MoviesListView extends StatelessWidget {
final ScrollController scrollController;
final List images;
const MoviesListView({Key key, this.scrollController, this.images})
: super(key: key);
@override
Widget build(BuildContext context) {
return Container(
height: 120,
child: ListView.builder(
controller: scrollController,
scrollDirection: Axis.horizontal,
shrinkWrap: true,
itemCount: images.length,
itemBuilder: (context, index) {
return Container(
margin: EdgeInsets.all(10),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(25),
),
child: GestureDetector(
onTap: (){
print('Func Called');
},
child: ClipRRect(
borderRadius: BorderRadius.circular(25),
child: Image.asset(
'assets/${images[index]}',
width: 150,
fit: BoxFit.cover,
),
),
),
);
}),
);
}
}
Without Animation Gesture detector working perfectly没有 Animation 手势检测器工作正常
Try wrapping outer Container with GestureDetector()尝试用 GestureDetector() 包装外部 Container
return GestureDetector(
onTap: () {
print('Func Called');
},
child: Container(
margin: EdgeInsets.all(10),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(25),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(25),
child: Image.asset(
'assets/${images[index]}',
width: 150,
fit: BoxFit.cover,
),
),
),
);
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