Flutter中的PhotoViewGallery是一个功能强大的插件,用于在应用中展示可缩放的图片。无论是构建图像浏览器、相册应用,还是需要在应用中查看大图的场景,PhotoViewGallery都是一个不错的选择。 添加依赖 首先,需要在pubspec.yaml文件中添加photo_view插件的依赖。打开该文件,然后在dependencies部分添加: dependencies: #https:/...
2.2、photo_view多张图片预览 1、配置依赖 dependencies:photo_view:^0.14.0 2、引入 import'package:photo_view/photo_view_gallery.dart'; 3、多张图片的预览 PhotoViewGallery.builder(itemCount:5,builder:((context,index){returnPhotoViewGalleryPageOptions(imageProvider:NetworkImage(listData[index]["imageUrl"...
Plan B: 自定义 前面我们说过用的PhotoViewGalleryPageOptions(imageProvider:AssetImage(''))这个构造方法,会通过rootBundle去访问asset主资源图。如果我们不想添加主资源图,那我们就换方法,photo_view为我们提供了另一个自定义的构造方法 // return PhotoViewGalleryPageOptions(// imageProvider: AssetImage(_galleryIt...
import'package:flutter/material.dart';import'package:photo_view/photo_view.dart';import'package:photo_view/photo_view_gallery.dart';classPhotoViewGalleryScreenextendsStatefulWidget{Listimages=[];intindex=0;StringheroTag;PageControllercontroller;PhotoViewGalleryScreen({Keykey,@requiredthis.images,this.index,...
photo_view多张图片预览 依赖 photo_view: ^0.15.0 #微信图片 多张图片的预览 PhotoViewGallery.builder( itemCount:5, builder: ((context, index) {returnPhotoViewGalleryPageOptions( imageProvider: NetworkImage(listData[index]["imageUrl"]));
使用flutter 插件photo_view 官方使用方法 pubspec.yaml dependencies:photo_view:^0.4.2 $ flutter pubget 2.demo.dart (预览页面) import'package:photo_view/photo_view.dart';import'package:demo/pages/CRM/PhotoGalleryPage.dart';//放大页面……ListphotoList=[ ...
import'package:flutter/material.dart';import'package:photo_view/photo_view.dart';import'package:photo_view/photo_view_gallery.dart';classPhotoViewGalleryScreenextendsStatefulWidget{List images=[];int index=0;String heroTag;PageController controller;PhotoViewGalleryScreen({Key key,@requiredthis.images,this...
1、在pubspec.yaml添加依赖 # 图片预览photo_view:^0.13.0 获取插件 flutter pubget 2、多张图片预览 import'package:flutter/cupertino.dart';import'package:flutter/material.dart';import'package:photo_view/photo_view_gallery.dart';typedefPageChanged=voidFunction(int index);classPictureOverviewextendsStatefulWi...
import 'package:flutter/material.dart'; import 'package:photo_view/photo_view.dart'; import 'package:photo_view/photo_view_gallery.dart'; void _showImagePreview(BuildContext context, String imageUrl) { showDialog( context: context, builder: (context) => AlertDialog( content: SingleChildScroll...
//PhotoPreview 点击小图后的效果import'package:flutter/cupertino.dart';import'package:flutter/material.dart';import'package:midou_ee/utils/image_util.dart';import'package:photo_view/photo_view.dart';import'package:photo_view/photo_view_gallery.dart';classImageShowServerWidgetextendsStatefulWidget{finalint...