添加了一个预览的尺寸选项

CHANGELOG.md

+## [0.0.3] add the thumb size to option
+
+add a params for pick image , thumb size
+
 ## [0.0.2] fix bug
 preview sure button bug
 preview bottom safeArea

README.md

 
 ```yaml
 dependencies:
-  photo: ^0.0.1
+  photo: ^0.0.3
 ```
 
 ## import
       disableColor: Colors.grey.shade300, // the check box disable color
       itemRadio: 0.88, // the content item radio
       maxSelected: 8, // max picker image count
-      provider: CNProvider(), // i18n provider ,default is chinese.
+      provider: CNProvider(), // i18n provider ,default is chinese. , you can custom I18nProvider or use ENProvider()
       rowCount: 5,  // item row count
       textColor: Colors.white, // text color
+      thumbSize: 150, // preview thumb size, optional, default is 64
     );
 
     imgList.forEach((e) async {

example/lib/main.dart

       provider: CNProvider(),
       rowCount: 5,
       textColor: Colors.white,
+      thumbSize: 250,
     );
 
     List<String> r = [];

lib/photo.dart

     Color dividerColor,
     Color textColor,
     Color disableColor,
+    int thumbSize = 64,
     I18nProvider provider = I18nProvider.chinese,
   }) {
     assert(provider != null, "provider must be not null");
       disableColor: disableColor,
       textColor: textColor,
       themeColor: themeColor,
+      thumbSize: thumbSize,
     );
 
     return PhotoPicker()._pickImage(context, options, provider);

lib/src/entity/options.dart

 
   final Color disableColor;
 
+  final int thumbSize;
+
   const Options({
     this.rowCount,
     this.maxSelected,
     this.dividerColor,
     this.textColor,
     this.disableColor,
+    this.thumbSize,
   });
-
-
 }

lib/src/ui/page/photo_main_page.dart

           ImageItem(
             entity: data,
             themeColor: themeColor,
+            size: options.thumbSize,
           ),
           _buildMask(containsEntity(data)),
           _buildSelected(data),
 
   final Color themeColor;
 
+  final int size;
+
   const ImageItem({
     Key key,
     this.entity,
     this.themeColor,
+    this.size = 64,
   }) : super(key: key);
 
   @override
     }
 
     return FutureBuilder<Uint8List>(
-      future: entity.thumbData,
+      future: entity.thumbDataWithSize(size, size),
       builder: (BuildContext context, AsyncSnapshot<Uint8List> snapshot) {
         var futureData = snapshot.data;
         if (snapshot.connectionState == ConnectionState.done &&

lib/src/ui/page/photo_preview_page.dart

             ImageItem(
               themeColor: themeColor,
               entity: item,
+              size: options.thumbSize,
             ),
             IgnorePointer(
               child: StreamBuilder(

pubspec.lock

       name: photo_manager
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.0.1"
+    version: "0.0.2"
   plugin:
     dependency: transitive
     description:

pubspec.yaml

 name: photo
 description: image picker, multi picker,use flutter as ui, if you want to build custom ui,you just use photo_manager.
-version: 0.0.2
+version: 0.0.3
 author: caijinglong<cjl_spy@163.com>
 homepage: https://github.com/CaiJingLong/flutter_photo
 
   flutter:
     sdk: flutter
 
-  photo_manager: ^0.0.1
+  photo_manager: ^0.0.2
 #  photo_manager:
 #    git:
 #      url: https://github.com/CaiJingLong/flutter_photo_manager.git