103 lines
2.5 KiB
Dart
103 lines
2.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:photo_view/photo_view.dart';
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import 'package:photo_view/photo_view_gallery.dart';
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class LookImagesTool {
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static lookImages({
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required List<String> listData,
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int? currentPage,
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}) async {
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showDialog(
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context: Get.context!,
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builder: (_) {
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return LookImagesWidget(
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listData: listData,
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currentPage: currentPage,
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);
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});
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}
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}
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class LookImagesWidget extends StatefulWidget {
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final List<String> listData;
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final int? currentPage;
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const LookImagesWidget({
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super.key,
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required this.listData,
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this.currentPage,
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});
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@override
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State<LookImagesWidget> createState() => _LookImagesWidgetState();
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}
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class _LookImagesWidgetState extends State<LookImagesWidget> {
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List listData = [];
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late int currentPage;
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late int initialPage = 0;
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@override
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void initState() {
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listData = widget.listData;
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if (widget.currentPage == null) {
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initialPage = 0;
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currentPage = 0;
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} else {
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// initialPage = 0;
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currentPage = widget.currentPage ?? 0;
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}
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: () => Get.back(),
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child: Stack(
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children: [
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Scaffold(
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backgroundColor: Colors.black,
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body: Center(
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child: PhotoViewGallery.builder(
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itemCount: listData.length,
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pageController: PageController(initialPage: currentPage),
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onPageChanged: (index) {
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setState(() {
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currentPage = index;
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});
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},
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builder: (_, index) {
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return PhotoViewGalleryPageOptions(
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imageProvider: NetworkImage(
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listData[index],
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),
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);
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},
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),
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),
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),
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//图片张数指示器
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Positioned(
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left: 0,
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right: 0,
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bottom: 20,
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child: Container(
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alignment: Alignment.center,
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child: Text(
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"${currentPage + 1}/${listData.length}",
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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decoration: TextDecoration.none,
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),
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),
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),
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)
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],
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),
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);
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}
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}
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