[英]How can I use an image inside a 'ListView' as link to another 'view' (page) using Flutter?
當我觸摸界面上的圖像時,我無法進入下一頁? 我試圖設置一個類別 Listview。 listview 保存圖像,當用戶觸摸圖像時如何設置它,以便他們可以 go 到下一頁?
編碼
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'custom_textW.dart';
class Category {
final String name;
final String image;
Category({@required this.name, @required this.image});
}
List<Category> categoriesList = [
Category(name: "Sarapan", image: "nasilemak.png"),
Category(name: "Kuih", image: "kuih.png"),
Category(name: "Makan Tengahari", image: "lunch.png"),
Category(name: "Minum Petang", image: "mnmptg.png"),
Category(name: "Makan Malam", image: "mknmlm.png"),
Category(name: "Minum Malam", image: "mnmmlm.png"),
Category(name: "Minuman", image: "air2.png"),
];
class Categories extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Container(
height: 109,
child: ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: categoriesList.length,
itemBuilder: (_, index) {
return Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: <Widget>[
Container(
decoration: BoxDecoration(color: Colors.white, boxShadow: [
BoxShadow(
color: Colors.red[200], offset: Offset(4, 6), blurRadius: 20)
]),
//tambah di sini kalau nk gesture
child: Image.asset(
"images/${categoriesList[index].image}",
width: 80,
),
),
SizedBox(
height: 5,
),
CustomText(
text: categoriesList[index].name,
size: 14,
colors: Colors.black,
)
],
),
);
},
),
);
}
}
列表視圖的樣子:
現在當我試圖觸摸圖像時,什么都不會發生。 它只是顯示圖像。
您可以將圖像小部件包裝在 InkWell 小部件中並實現 onTap() 方法以導航到下一頁。
child: InkWell(
onTap: ()=> NavigateToPage(),
child: Image.asset(
"images/${categoriesList[index].image},
width: 80,
),
),
您可以像這樣使用GestureDetector
包裝您的圖像:
child: GestureDetector(
onTap: // go to next page,
child: Image.asset(
"images/${categoriesList[index].image}",
width: 80,
),
),
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