105 lines
4.0 KiB
Dart
105 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:wallpaper/models/imgnetodel.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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import 'package:wallpaper/pages/imgscanpage/imgscanpage_controller.dart';
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class ImgScanPageView extends GetView<ImgScanPageController> {
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// final NetImgCategory dataModel;
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// final int currentIndex;
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// const ImgScanPageView({super.key,required this.dataModel,required this.currentIndex});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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extendBodyBehindAppBar: true,
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backgroundColor: Colors.black,
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appBar: PreferredSize(
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preferredSize: const Size.fromHeight(44),
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child: AppBar(
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centerTitle: true,
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title: const Text("查看大图"),
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backgroundColor: Colors.transparent,
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foregroundColor: Colors.white,
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),
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),
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body: Stack(
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children: [
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PhotoViewGallery.builder(
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scrollPhysics: const BouncingScrollPhysics(),
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builder: (BuildContext context, int index) {
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return PhotoViewGalleryPageOptions(
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imageProvider: NetworkImage(controller.dataModel.data![index].original!),
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initialScale: PhotoViewComputedScale.contained * 0.8,
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minScale: PhotoViewComputedScale.contained*0.4,
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maxScale: PhotoViewComputedScale.contained * 4,
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onTapDown: (context, details, controllerValue) {
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print("touch down...");
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},
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// heroAttributes: PhotoViewHeroAttributes(tag: galleryItems[index].id),
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);
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},
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itemCount: controller.dataModel.data!.length,
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loadingBuilder: (context, event) => Center(
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child: SizedBox(
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width: 20.0,
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height: 20.0,
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child: CircularProgressIndicator(
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value: event == null
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? 0
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: event.cumulativeBytesLoaded / event.expectedTotalBytes!,
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),
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),
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),
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// backgroundDecoration: widget.backgroundDecoration,
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// pageController: widget.pageController,
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onPageChanged: onPageChanged,
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),
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Align(
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alignment: Alignment.bottomCenter,
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child: Container(
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color: Colors.black.withAlpha(160),
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height: 100,
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width: double.infinity,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisSize: MainAxisSize.max,
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// 交叉轴的布局方式，对于column来说就是水平方向的布局方式
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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const Spacer(
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),
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IconButton(onPressed:() {
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print("download....");
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controller.downloadImg();
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}, icon: const Icon(Icons.download),color: Colors.white,),
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const Spacer(
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),
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IconButton(onPressed:() {
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print("设置壁纸");
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}, icon: const Icon(Icons.wallpaper),color: Colors.white,),
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const Spacer(
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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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void onPageChanged(int index){
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print("切换了图片....");
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controller.currentIndex.value = index;
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}
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} |