first commit

untitled/lib/widget/PhotoViewGalleryScreen.dart

@@ -0,0 +1,119 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_modular/flutter_modular.dart';
+import 'package:photo_view/photo_view.dart';
+import 'package:photo_view/photo_view_gallery.dart';
+import 'package:peach/config/_.dart';
+
+class PhotoViewGalleryScreen extends StatefulWidget {
+  List<String> images = [];
+  int index = 0;
+  String heroTag;
+  String title;
+  String time;
+  PageController controller;
+
+  PhotoViewGalleryScreen({
+    Key key,
+    @required this.images,
+    this.index,
+    this.title = "",
+    this.time = "",
+    this.controller,
+    this.heroTag
+  }) : super(key: key) {
+    controller = PageController(initialPage: index);
+  }
+
+  @override
+  _PhotoViewGalleryScreenState createState() => _PhotoViewGalleryScreenState();
+}
+
+class _PhotoViewGalleryScreenState extends State<PhotoViewGalleryScreen> {
+  int currentIndex = 0;
+  // String dropdownValue = '请选择';
+  // List<String> settingList = ['请选择', '设置壁纸','设置锁屏','同时设置'];
+
+  @override
+  void initState() {
+    super.initState();
+    currentIndex = widget.index;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Stack(
+        children: <Widget>[
+          Positioned(
+            top: 0,
+            left: 0,
+            bottom: 0,
+            right: 0,
+            child: Container(
+                color: Colors.black,
+                child: PhotoViewGallery.builder(
+                  scrollPhysics: const BouncingScrollPhysics(),
+                  builder: (BuildContext context, int index) {
+                    return PhotoViewGalleryPageOptions(
+                      imageProvider: NetworkImage(widget.images[index]),
+                      heroAttributes: widget.heroTag.isNotEmpty
+                          ? PhotoViewHeroAttributes(tag: widget.heroTag)
+                          : null,
+                    );
+                  },
+                  itemCount: widget.images.length,
+                  backgroundDecoration: null,
+                  pageController: widget.controller,
+                  enableRotation: true,
+                  onPageChanged: (index) {
+                    setState(() {
+                      currentIndex = index;
+                    });
+                  },
+                )),
+          ),
+          Positioned(
+            //图片index显示
+            top: MediaQuery.of(context).padding.top + 15,
+            width: MediaQuery.of(context).size.width,
+            child: Center(
+              child: Text("${currentIndex + 1}P / ${widget.images.length}P",
+                  style: TextStyle(color: Colors.white, fontSize: 16)),
+            ),
+          ),
+          Positioned(
+            bottom: MediaQuery.of(context).padding.top + 15,
+            width: MediaQuery.of(context).size.width,
+            child: Center(
+              child: Container(
+                padding: EdgeInsets.only(left: 15,right: 5),
+                child: Column(
+                  children: [
+                    Text(widget.title,style: TextStyle(color: Colors.white, fontSize: 14)),
+                    SizedBox(height: 5,),
+                    Text(widget.time,style: TextStyle(color: ColorConfig.TextColor, fontSize: 12))
+                  ],
+                ),
+              ),
+            ),
+          ),
+          Positioned(
+            //右上角关闭按钮
+            right: 10,
+            top: MediaQuery.of(context).padding.top,
+            child: IconButton(
+              icon: Icon(
+                Icons.close,
+                size: 30,
+                color: Colors.white,
+              ),
+              onPressed: () {
+                Modular.to.pop();
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}