daf

wallpaper/lib/pages/downloadpage/downloadpage_controller.dart

@@ -40,6 +40,15 @@ class DownloadPageController extends GetxController {
       await DownloadManager.setWallpaperNative(imgUrl);
     }
 
+    //删除图片
+    void deleteWallpaper(String imgUrl,int index) async{
+      await DownloadManager.deleteWallpaperFile(imgUrl);
+      DBManager.deleteImg(dataItems[index]);
+      // ignore: invalid_use_of_protected_member
+      dataItems.value.removeAt(index);
+
+      // dataItems.value = DBManager.allImgs();
+    }
 
 
 }

wallpaper/lib/pages/downloadpage/downloadpage_view.dart

@@ -30,12 +30,12 @@ class DownloadPageView extends GetView<DownloadPageController> {
               padding: const EdgeInsets.symmetric(horizontal: 5),
               // padding: const EdgeInsets.fromLTRB(5, 50, 5, 0),
               children: List.generate(controller.dataItems.length, (index) {
-                return getBodyItem(controller.dataItems[index].localUrl!);
+                return getBodyItem(controller.dataItems[index].localUrl!,index);
             }),
           ));
   }
 
-  Stack getBodyItem(String fileName) {
+  Stack getBodyItem(String fileName,int index) {
     var imgUrl = '${controller.localDir.value}/$fileName';
     return Stack(//堆叠效果
                   children: [
@@ -45,15 +45,6 @@ class DownloadPageView extends GetView<DownloadPageController> {
                         height: double.infinity,
                         fit: BoxFit.cover,
                       ),
-                    // Image.file(imgUrl),
-                  //   FadeInImage.loadImageByFile(
-                  //   width: double.infinity,
-                  //   height: double.infinity,
-                  //   placeholder: kTransparentImage,
-                  //   image: imgUrl,
-                  //   fit: BoxFit.cover,
-                  // ),
-
                   Material(
                     color: Colors.transparent,
                     child: InkWell(
@@ -72,7 +63,7 @@ class DownloadPageView extends GetView<DownloadPageController> {
                                               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(imgUrl),
+                                              children: getButtomWidge(imgUrl,index),
                                             ),
                                         ),
                                 ),
@@ -84,7 +75,7 @@ class DownloadPageView extends GetView<DownloadPageController> {
   }
 
 
-  List<Widget> getButtomWidge(String imgUrl){
+  List<Widget> getButtomWidge(String imgUrl,int index){
     List<Widget> wg = [
                         IconButton(onPressed:() {
                           controller.saveImgToAlbum(imgUrl);
@@ -97,6 +88,10 @@ class DownloadPageView extends GetView<DownloadPageController> {
 
                         }, icon: const Icon(Icons.wallpaper),color: Colors.white,));
       }
+      wg.add(IconButton(onPressed:() {
+                          controller.deleteWallpaper(imgUrl,index);
+
+                        }, icon: const Icon(Icons.delete),color: Colors.red,));
       return wg;
   }
 }

wallpaper/lib/utils/dbmanager.dart

@@ -35,8 +35,13 @@ class DBManager {
 
   static List<LocalImageInfo> allImgs() {
     var lis = DBManager.box.values.toList();
+    
     return lis ;
   }
 
+  static void deleteImg(LocalImageInfo item ) {
+    DBManager.box.delete(item.key);
+  }
+
    
 }

wallpaper/lib/utils/downloadmanager.dart

@@ -114,7 +114,17 @@ class DownloadManager {
       return result;
   }
 
-
+//删除本地图片
+static Future<void> deleteWallpaperFile(String urlStr) async{
+  // 删除文件
+  final file = File(urlStr);
+  if (await file.exists()) {
+    await file.delete();
+    print('文件已删除：$urlStr');
+  } else {
+    print('文件不存在：$urlStr');
+  }
+}