增加了给预览页面增加了确定按钮

example/lib/main.dart

       itemRadio: 0.88,
     );
 
-    print(imgList);
+    print("imgList = $imgList");
   }
 
   @override

lib/photo.dart

     return _instance;
   }
 
-  
+  static const String rootRouteName = "photo_picker_image";
 
   /// 没有授予权限的时候,会开启一个dialog去帮助用户去应用设置页面开启权限
   /// 确定开启设置页面,取消关闭弹窗
   }
 
   Future<List<ImageEntity>> _openGalleryContentPage(
-      BuildContext context, Options options, I18nProvider provider) {
+      BuildContext context, Options options, I18nProvider provider)async{
     return Navigator.of(context).push(
       MaterialPageRoute(
         builder: (ctx) => PhotoApp(
-              options: options,
-              provider: provider,
-            ),
+          options: options,
+          provider: provider,
+        ),
       ),
     );
   }

lib/src/provider/i18n_provider.dart

 
   String getTitleText(Options options);
 
-  String getSureText(Options options, SelectedProvider selectedProvider);
+  String getSureText(Options options, int currentCount);
 
   String getPreviewText(Options options, SelectedProvider selectedProvider);
 
   }
 
   @override
-  String getSureText(Options options, SelectedProvider selectedProvider) {
-    return "确定(${selectedProvider.selectedCount}/${options.maxSelected})";
+  String getSureText(Options options, int currentCount) {
+    return "确定($currentCount/${options.maxSelected})";
   }
 
   @override
   }
 
   @override
-  String getSureText(Options options, SelectedProvider selectedProvider) {
-    return "sure(${selectedProvider.selectedCount}/${options.maxSelected})";
+  String getSureText(Options options, int currentCount) {
+    return "sure($currentCount/${options.maxSelected})";
   }
 
   @override

lib/src/ui/page/photo_main_page.dart

             actions: <Widget>[
               FlatButton(
                 child: Text(
-                  i18nProvider.getSureText(options, this),
+                  i18nProvider.getSureText(options, selectedCount),
                   style: selectedCount == 0
                       ? textStyle.copyWith(color: options.disableColor)
                       : textStyle,
         },
       ),
     ).then((v) {
+      if (handlePreviewResult(v)) {
+        Navigator.pop(context, v);
+        return;
+      }
       isPushed = false;
       setState(() {});
     });
     )
         .then(
       (v) {
+        if (handlePreviewResult(v)) {
+          print(v);
+          Navigator.pop(context, v);
+          return;
+        }
         isPushed = false;
         compareAndRemoveEntities(result.previewSelectedList);
       },
     );
   }
+
+  bool handlePreviewResult(List<ImageEntity> v) {
+    if (v == null) {
+      return false;
+    }
+    if (v is List<ImageEntity>) {
+      return true;
+    }
+    return false;
+  }
 }
 
 class _BottomWidget extends StatefulWidget {

lib/src/ui/page/photo_preview_page.dart

 
   @override
   Widget build(BuildContext context) {
+    var textStyle = TextStyle(
+      color: options.textColor,
+      fontSize: 14.0,
+    );
     return Theme(
       data: Theme.of(context).copyWith(primaryColor: options.themeColor),
       child: Scaffold(
                   "${snap.data + 1}/${widget.list.length}",
                 ),
           ),
+          actions: <Widget>[
+            FlatButton(
+              child: StreamBuilder(
+                stream: pageStream,
+                builder: (ctx, s) => Text(
+                      config.provider.getSureText(options, selectedList.length),
+                      style: selectedList.length == 0
+                          ? textStyle.copyWith(color: options.disableColor)
+                          : textStyle,
+                    ),
+              ),
+              onPressed: selectedList.length == 0 ? null : sure,
+            ),
+          ],
         ),
         body: PageView.builder(
           controller: pageController,
     var itemIndex = list.indexOf(entity);
     if (itemIndex != -1) pageController.jumpToPage(itemIndex);
   }
+
+  void sure() {
+    Navigator.pop(context, selectedList);
+  }
 }
 
 class BigPhotoImage extends StatefulWidget {