最后准备收工

wallpaper/lib/pages/downloadpage/downloadpage_controller.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:get/get.dart';
+import 'package:wallpaper/routes/app_routes.dart';
 import 'package:wallpaper/utils/dbmanager.dart';
 import 'package:wallpaper/utils/downloadmanager.dart';
 import 'package:wallpaper/utils/local_img_manager.dart';
@@ -53,5 +54,9 @@ class DownloadPageController extends GetxController {
       // dataItems.value = DBManager.allImgs();
     }
 
+    void goLocalScanPage(int index) {
+      Get.toNamed(AppRoutes.localimgscanpage,arguments: {"index":index,"dataItems":dataItems});
+    }
+
 
 }

wallpaper/lib/pages/downloadpage/downloadpage_view.dart

@@ -51,7 +51,7 @@ class DownloadPageView extends GetView<DownloadPageController> {
                     child: InkWell(
                           onTap: () {
                             //前往看大图
-                            //.....
+                            controller.goLocalScanPage(index);
                           },
                           child: Align(
                                   alignment: Alignment.bottomCenter,

wallpaper/lib/pages/localimgscanpage/localimgscanpage_binding.dart

@@ -0,0 +1,11 @@
+import 'package:get/get.dart';
+
+import 'localimgscanpage_controller.dart';
+
+class LocalImgScanPageBinding extends Bindings {
+  @override
+  void dependencies() {
+    Get.put(LocalImgScanPageController());
+  }
+  
+}

wallpaper/lib/pages/localimgscanpage/localimgscanpage_controller.dart

@@ -0,0 +1,69 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:wallpaper/models/imgnetodel.dart';
+import 'package:wallpaper/utils/dbmanager.dart';
+import 'package:wallpaper/utils/downloadmanager.dart';
+import 'dart:async';
+import 'dart:io';
+
+import 'package:wallpaper/utils/local_img_manager.dart';
+class LocalImgScanPageController extends GetxController {
+  // late LocalImageInfo dataModel;
+  var dataModel = <LocalImageInfo>[].obs;
+  RxInt currentIndex = RxInt(0);
+  RxInt showAppbar = RxInt(0);//控制appbar显示....
+  late final PageController pcontroller;
+  Timer? _timer;
+  var isAndroid = Platform.isAndroid;
+  var albumPermisonisDenied = false.obs;
+  var localDir = RxString(DBManager.localDir);
+  @override
+  void onInit() async {
+    super.onInit();
+     
+      currentIndex.value = Get.arguments["index"];
+      dataModel.value = Get.arguments["dataItems"];
+      pcontroller = PageController(initialPage: currentIndex.value);
+  }
+
+  @override
+  void onClose() {
+    cancelTimer();
+    super.onClose();
+
+  }
+
+  void cancelTimer() {
+    if (_timer != null) {
+        _timer!.cancel();
+        _timer = null;
+      }
+  }
+
+  
+
+  Future < void>  saveImgToAlbum() async {
+    String imgUrl = '$localDir/${dataModel[currentIndex.value].localUrl!}';
+      await DownloadManager.saveNetworkImage(imgUrl);
+      //如果是android,还应该调用设置壁纸的功能
+      //....
+      //给结果提示框
+  }
+
+  void showAppbarAction(){
+      showAppbar.value = 1;
+      cancelTimer();
+
+      const oneSec = Duration(seconds: 3);
+      _timer = Timer.periodic(oneSec, (Timer timer) {
+        timer.cancel();
+        _timer = null;
+        showAppbar.value = 0;
+      });
+  }
+
+  Future <void> setWallpaper() async {
+      String imgUrl = '$localDir/${dataModel[currentIndex.value].localUrl!}';
+      await DownloadManager.setWallpaperNative(imgUrl);
+  }
+}

wallpaper/lib/pages/localimgscanpage/localimgscanpage_view.dart

@@ -0,0 +1,117 @@
+
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:wallpaper/models/imgnetodel.dart';
+
+import 'package:photo_view/photo_view.dart';
+import 'package:photo_view/photo_view_gallery.dart';
+import 'package:wallpaper/pages/localimgscanpage/localimgscanpage_controller.dart';
+
+
+class LocalImgScanPageView extends GetView<LocalImgScanPageController> {
+  // final NetImgCategory dataModel;
+  // final int currentIndex;
+
+  // const ImgScanPageView({super.key,required this.dataModel,required this.currentIndex});
+  
+  @override 
+  Widget build(BuildContext context) {
+    return Obx(() => Scaffold(
+      extendBodyBehindAppBar: true,
+      backgroundColor: Colors.black,
+      appBar:PreferredSize(
+              preferredSize: const Size.fromHeight(44),
+              child: Obx(() => controller.showAppbar.value == 0 ? Text("") :AppBar(
+              centerTitle: true,
+              title: const Text("查看大图"),
+              
+              backgroundColor: Colors.transparent,
+              foregroundColor: Colors.white,
+            )),
+        ),
+      body: Stack(
+        children: [
+          PhotoViewGallery.builder(
+                    scrollPhysics: const BouncingScrollPhysics(),
+                    builder: (BuildContext context, int index) {
+                      return PhotoViewGalleryPageOptions(
+                        imageProvider:FileImage(File('${controller.localDir}/${controller.dataModel[index].localUrl!}')),
+                        initialScale: PhotoViewComputedScale.contained * 0.8,
+                        minScale: PhotoViewComputedScale.contained*0.4,
+                        maxScale: PhotoViewComputedScale.contained * 4,
+                        onTapDown: (context, details, controllerValue) {
+                          controller.showAppbarAction();
+                        },
+                        // heroAttributes: PhotoViewHeroAttributes(tag: galleryItems[index].id),
+                      );
+                    },
+                    pageController: controller.pcontroller,
+                    itemCount: controller.dataModel.length,
+                    loadingBuilder: (context, event) => Center(
+                      child: SizedBox(
+                        width: 20.0,
+                        height: 20.0,
+                        child: CircularProgressIndicator(
+                          value: event == null
+                              ? 0
+                              : event.cumulativeBytesLoaded / event.expectedTotalBytes!,
+                        ),
+                      ),
+                    ),
+                    // backgroundDecoration: widget.backgroundDecoration,
+                    // pageController: widget.pageController,
+                    onPageChanged: onPageChanged,
+                    
+
+              ),
+          Align(
+            alignment: Alignment.bottomCenter,
+            child: Container(
+                    color: Colors.black.withAlpha(160),
+                    height: 100,
+                    width: double.infinity,
+                    child: Row(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        mainAxisSize: MainAxisSize.max,
+        //                交叉轴的布局方式，对于column来说就是水平方向的布局方式
+                        crossAxisAlignment: CrossAxisAlignment.center,
+                        children: getButtomWidge(),
+                      ),
+                  ),
+          ),
+        ],
+      ),
+    ));
+  }
+
+  void onPageChanged(int index){
+    print("切换了图片....");
+    controller.currentIndex.value = index;
+  }
+
+
+  List<Widget> getButtomWidge(){
+    List<Widget> wg = [
+                          const Spacer(
+                                              ),
+                          IconButton(onPressed:() {
+                            print("保存壁纸");
+                            controller.saveImgToAlbum();
+
+                          }, icon: const Icon(Icons.album),color: Colors.white,),
+                          const Spacer(
+                          ),
+                        ];
+      if (controller.isAndroid) {
+          wg.add(IconButton(onPressed:() {
+                          controller.setWallpaper();
+
+                        }, icon: const Icon(Icons.wallpaper),color: Colors.white,));
+          wg.add(const Spacer(
+                          ));
+      }
+      return wg;
+  }
+}

wallpaper/lib/routes/app_routes.dart

@@ -3,6 +3,8 @@ import 'package:wallpaper/pages/imgcategorypage/imgcategorypage_binding.dart';
 import 'package:wallpaper/pages/imgcategorypage/imgcategorypage_view.dart';
 import 'package:wallpaper/pages/imgscanpage/imgscanpage_binding.dart';
 import 'package:wallpaper/pages/imgscanpage/imgscanpage_view.dart';
+import 'package:wallpaper/pages/localimgscanpage/localimgscanpage_binding.dart';
+import 'package:wallpaper/pages/localimgscanpage/localimgscanpage_view.dart';
 import 'package:wallpaper/pages/mypage/mypage_view.dart';
 
 import 'package:wallpaper/pages/tabarpage/tabarpage_binding.dart';
@@ -25,6 +27,7 @@ class AppRoutes {
   static const imgcategorypage = "/ImgCategoryPage";
   static const imgscanpage = "/imgscanpage";
   static const webviewpage = "/webviewpage";
+  static const localimgscanpage = "/localimgscanpage";
   // static const mypage = "/mypage";
   static final routes= [
     GetPage(
@@ -56,6 +59,12 @@ class AppRoutes {
       bindings: [WebviewPageBinding()],
    ),
    
+   GetPage(
+      name: localimgscanpage,
+      page: ()=>  LocalImgScanPageView(),
+      bindings: [LocalImgScanPageBinding()],
+   ),
+
   ];
 
 }

wallpaper/lib/utils/dbmanager.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 import 'package:hive/hive.dart';
 import 'package:hive_flutter/hive_flutter.dart';
+import 'package:wallpaper/utils/local_img_manager.dart';
 part 'dbmanager.g.dart';
 
 @HiveType(typeId: 0)
@@ -17,8 +18,10 @@ class LocalImageInfo extends HiveObject {
 
 class DBManager {
   static late Box<LocalImageInfo> box;
+  static late String localDir;
 
   static Future<void> initAdapter()async {
+    DBManager.localDir = await LocalImgManager.getImgLocalDir();
     await Hive.initFlutter();
     Hive.registerAdapter(LocalImageInfoAdapter());
     var downloadAlbums = await Hive.openBox<LocalImageInfo>('DownloadAlbums');