fix dart format

Author: StanleyCocos

packages/share_plus/share_plus/lib/share_plus.dart

@@ -8,7 +8,13 @@ import 'package:meta/meta.dart';
 import 'package:share_plus_platform_interface/share_plus_platform_interface.dart';
 
 export 'package:share_plus_platform_interface/share_plus_platform_interface.dart'
-    show ShareResult, ShareResultStatus, XFile, ShareParams, CupertinoActivityType, CupertinoActivityTypeValue;
+    show
+        ShareResult,
+        ShareResultStatus,
+        XFile,
+        ShareParams,
+        CupertinoActivityType,
+        CupertinoActivityTypeValue;
 
 export 'src/share_plus_linux.dart';
 export 'src/share_plus_windows.dart'

packages/share_plus/share_plus_platform_interface/lib/method_channel/method_channel_share.dart

@@ -67,8 +67,9 @@ class MethodChannelShare extends SharePlatform {
       map['mimeTypes'] = mimeTypes;
     }
 
-    if(params.excludedActivityType != null) {
-      final activityTypes = params.excludedActivityType!.map((e) => e.value).toList();
+    if (params.excludedActivityType != null) {
+      final activityTypes =
+          params.excludedActivityType!.map((e) => e.value).toList();
       map['excludedActivityType'] = activityTypes;
     }