feat(share_plus): Added excludedActivityTypes support for the iOS platform.

packages/share_plus/share_plus/ios/share_plus/Sources/share_plus/FPPSharePlusPlugin.m

@@ -39,6 +39,59 @@
   return viewController;
 }
 
+static NSDictionary *activityTypes;
+
+static void initializeActivityTypeMapping(void) {
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    NSMutableDictionary *originalTypes =
+        [[NSMutableDictionary alloc] initWithDictionary:@{
+          @"postToFacebook" : UIActivityTypePostToFacebook,
+          @"postToTwitter" : UIActivityTypePostToTwitter,
+          @"postToWeibo" : UIActivityTypePostToWeibo,
+          @"message" : UIActivityTypeMessage,
+          @"mail" : UIActivityTypeMail,
+          @"print" : UIActivityTypePrint,
+          @"copyToPasteboard" : UIActivityTypeCopyToPasteboard,
+          @"assignToContact" : UIActivityTypeAssignToContact,
+          @"saveToCameraRoll" : UIActivityTypeSaveToCameraRoll,
+          @"addToReadingList" : UIActivityTypeAddToReadingList,
+          @"postToFlickr" : UIActivityTypePostToFlickr,
+          @"postToVimeo" : UIActivityTypePostToVimeo,
+          @"postToTencentWeibo" : UIActivityTypePostToTencentWeibo,
+          @"airDrop" : UIActivityTypeAirDrop,
+          @"openInIBooks" : UIActivityTypeOpenInIBooks,
+          @"markupAsPDF" : UIActivityTypeMarkupAsPDF,
+        }];
+
+    if (@available(iOS 15.4, *)) {
+      originalTypes[@"sharePlay"] = UIActivityTypeSharePlay;
+    }
+
+    if (@available(iOS 16.0, *)) {
+      originalTypes[@"collaborationInviteWithLink"] =
+          UIActivityTypeCollaborationInviteWithLink;
+    }
+
+    if (@available(iOS 16.0, *)) {
+      originalTypes[@"collaborationCopyLink"] =
+          UIActivityTypeCollaborationCopyLink;
+    }
+    if (@available(iOS 16.4, *)) {
+      originalTypes[@"addToHomeScreen"] = UIActivityTypeAddToHomeScreen;
+    }
+    activityTypes = originalTypes;
+  });
+}
+
+static UIActivityType activityTypeForString(NSString *activityTypeString) {
+  initializeActivityTypeMapping();
+  if ([activityTypes.allKeys containsObject:activityTypeString]) {
+    return activityTypes[activityTypeString];
+  }
+  return nil;
+}
+
 // We need the companion to avoid ARC deadlock
 @interface UIActivityViewSuccessCompanion : NSObject
 
@@ -254,6 +307,7 @@ + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
         NSNumber *originY = arguments[@"originY"];
         NSNumber *originWidth = arguments[@"originWidth"];
         NSNumber *originHeight = arguments[@"originHeight"];
+        NSArray *excludedActivityType = arguments[@"excludedActivityType"];
 
         CGRect originRect = CGRectZero;
         if (originX && originY && originWidth && originHeight) {
@@ -284,10 +338,11 @@ + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
               TopViewControllerForViewController(rootViewController);
 
           [self shareText:shareText
-                     subject:shareSubject
-              withController:topViewController
-                    atSource:originRect
-                    toResult:result];
+                           subject:shareSubject
+              excludedActivityType:excludedActivityType
+                    withController:topViewController
+                          atSource:originRect
+                          toResult:result];
         } else if ([@"shareFiles" isEqualToString:call.method]) {
           NSArray *paths = arguments[@"paths"];
           NSArray *mimeTypes = arguments[@"mimeTypes"];
@@ -320,12 +375,13 @@ + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
           UIViewController *topViewController =
               TopViewControllerForViewController(rootViewController);
           [self shareFiles:paths
-                withMimeType:mimeTypes
-                 withSubject:subject
-                    withText:text
-              withController:topViewController
-                    atSource:originRect
-                    toResult:result];
+                      withMimeType:mimeTypes
+                       withSubject:subject
+                          withText:text
+              excludedActivityType:excludedActivityType
+                    withController:topViewController
+                          atSource:originRect
+                          toResult:result];
         } else if ([@"shareUri" isEqualToString:call.method]) {
           NSString *uri = arguments[@"uri"];
 
@@ -347,20 +403,22 @@ + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
               TopViewControllerForViewController(rootViewController);
 
           [self shareUri:uri
-              withController:topViewController
-                    atSource:originRect
-                    toResult:result];
+              excludedActivityType:excludedActivityType
+                    withController:topViewController
+                          atSource:originRect
+                          toResult:result];
         } else {
           result(FlutterMethodNotImplemented);
         }
       }];
 }
 
 + (void)share:(NSArray *)shareItems
-       withSubject:(NSString *)subject
-    withController:(UIViewController *)controller
-          atSource:(CGRect)origin
-          toResult:(FlutterResult)result {
+             withSubject:(NSString *)subject
+    excludedActivityType:(NSArray *)excludedActivityType
+          withController:(UIViewController *)controller
+                atSource:(CGRect)origin
+                toResult:(FlutterResult)result {
   UIActivityViewSuccessController *activityViewController =
       [[UIActivityViewSuccessController alloc] initWithActivityItems:shareItems
                                                applicationActivities:nil];
@@ -369,7 +427,14 @@ + (void)share:(NSArray *)shareItems
   if (![subject isKindOfClass:[NSNull class]]) {
     [activityViewController setValue:subject forKey:@"subject"];
   }
-
+  NSMutableArray *excludedActivityTypes = [[NSMutableArray alloc] init];
+  for (NSString *type in excludedActivityType) {
+    UIActivityType activityType = activityTypeForString(type);
+    if (activityType != nil) {
+      [excludedActivityTypes addObject:activityType];
+    }
+  }
+  activityViewController.excludedActivityTypes = excludedActivityTypes;
   activityViewController.popoverPresentationController.sourceView =
       controller.view;
   BOOL isCoordinateSpaceOfSourceView =
@@ -413,38 +478,43 @@ + (void)share:(NSArray *)shareItems
 }
 
 + (void)shareUri:(NSString *)uri
-    withController:(UIViewController *)controller
-          atSource:(CGRect)origin
-          toResult:(FlutterResult)result {
+    excludedActivityType:(NSArray *)excludedActivityType
+          withController:(UIViewController *)controller
+                atSource:(CGRect)origin
+                toResult:(FlutterResult)result {
   NSURL *data = [NSURL URLWithString:uri];
   [self share:@[ data ]
-         withSubject:nil
-      withController:controller
-            atSource:origin
-            toResult:result];
+               withSubject:nil
+      excludedActivityType:excludedActivityType
+            withController:controller
+                  atSource:origin
+                  toResult:result];
 }
 
 + (void)shareText:(NSString *)shareText
-           subject:(NSString *)subject
-    withController:(UIViewController *)controller
-          atSource:(CGRect)origin
-          toResult:(FlutterResult)result {
+                 subject:(NSString *)subject
+    excludedActivityType:(NSArray *)excludedActivityType
+          withController:(UIViewController *)controller
+                atSource:(CGRect)origin
+                toResult:(FlutterResult)result {
   NSObject *data = [[SharePlusData alloc] initWithSubject:subject
                                                      text:shareText];
   [self share:@[ data ]
-         withSubject:subject
-      withController:controller
-            atSource:origin
-            toResult:result];
+               withSubject:subject
+      excludedActivityType:excludedActivityType
+            withController:controller
+                  atSource:origin
+                  toResult:result];
 }
 
 + (void)shareFiles:(NSArray *)paths
-      withMimeType:(NSArray *)mimeTypes
-       withSubject:(NSString *)subject
-          withText:(NSString *)text
-    withController:(UIViewController *)controller
-          atSource:(CGRect)origin
-          toResult:(FlutterResult)result {
+            withMimeType:(NSArray *)mimeTypes
+             withSubject:(NSString *)subject
+                withText:(NSString *)text
+    excludedActivityType:(NSArray *)excludedActivityType
+          withController:(UIViewController *)controller
+                atSource:(CGRect)origin
+                toResult:(FlutterResult)result {
   NSMutableArray *items = [[NSMutableArray alloc] init];
 
   for (int i = 0; i < [paths count]; i++) {
@@ -460,10 +530,11 @@ + (void)shareFiles:(NSArray *)paths
   }
 
   [self share:items
-         withSubject:subject
-      withController:controller
-            atSource:origin
-            toResult:result];
+               withSubject:subject
+      excludedActivityType:excludedActivityType
+            withController:controller
+                  atSource:origin
+                  toResult:result];
 }
 
 @end

packages/share_plus/share_plus/lib/share_plus.dart

@@ -8,7 +8,7 @@ import 'dart:ui';
 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;
+    show ShareResult, ShareResultStatus, XFile, CupertinoActivityType;
 
 export 'src/share_plus_linux.dart';
 export 'src/share_plus_windows.dart'
@@ -30,17 +30,23 @@ class Share {
   /// origin rect for the share sheet to popover from on iPads and Macs. It has no effect
   /// on other devices.
   ///
+  /// The optional [excludedActivityType] parameter is used to exclude services on iOS and macOS that
+  /// you feel are not suitable for your content.
+  /// It has no effect on other platforms.
+  ///
   /// May throw [PlatformException]
   /// from [MethodChannel].
   ///
   /// See documentation about [ShareResult] on [share] method.
   static Future<ShareResult> shareUri(
     Uri uri, {
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     return _platform.shareUri(
       uri,
       sharePositionOrigin: sharePositionOrigin,
+      excludedActivityType: excludedActivityType,
     );
   }
 
@@ -57,6 +63,10 @@ class Share {
   /// origin rect for the share sheet to popover from on iPads and Macs. It has no effect
   /// on other devices.
   ///
+  /// The optional [excludedActivityType] parameter is used to exclude services on iOS and macOS that
+  /// you feel are not suitable for your content.
+  /// It has no effect on other platforms.
+  ///
   /// May throw [PlatformException] or [FormatException]
   /// from [MethodChannel].
   ///
@@ -83,12 +93,14 @@ class Share {
     String text, {
     String? subject,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     assert(text.isNotEmpty);
     return _platform.share(
       text,
       subject: subject,
       sharePositionOrigin: sharePositionOrigin,
+      excludedActivityType: excludedActivityType,
     );
   }
 
@@ -111,6 +123,10 @@ class Share {
   /// origin rect for the share sheet to popover from on iPads and Macs. It has no effect
   /// on other devices.
   ///
+  /// The optional [excludedActivityType] parameter is used to exclude services on iOS and macOS that
+  /// you feel are not suitable for your content.
+  /// It has no effect on other platforms.
+  ///
   /// The optional parameter [fileNameOverrides] can be used to override the names of shared files
   /// When set, the list length must match the number of [files] to share.
   /// This is useful when sharing files that were created by [`XFile.fromData`](https://github.com/flutter/packages/blob/754de1918a339270b70971b6841cf1e04dd71050/packages/cross_file/lib/src/types/io.dart#L43),
@@ -125,6 +141,7 @@ class Share {
     String? subject,
     String? text,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
     List<String>? fileNameOverrides,
   }) async {
     assert(files.isNotEmpty);
@@ -133,6 +150,7 @@ class Share {
       subject: subject,
       text: text,
       sharePositionOrigin: sharePositionOrigin,
+      excludedActivityType: excludedActivityType,
       fileNameOverrides: fileNameOverrides,
     );
   }

packages/share_plus/share_plus/lib/src/share_plus_linux.dart

@@ -24,6 +24,7 @@ class SharePlusLinuxPlugin extends SharePlatform {
     String? subject,
     String? text,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     throw UnimplementedError(
         'shareUri() has not been implemented on Linux. Use share().');
@@ -35,6 +36,7 @@ class SharePlusLinuxPlugin extends SharePlatform {
     String text, {
     String? subject,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     final queryParameters = {
       if (subject != null) 'subject': subject,
@@ -68,6 +70,7 @@ class SharePlusLinuxPlugin extends SharePlatform {
     String? subject,
     String? text,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
     List<String>? fileNameOverrides,
   }) {
     throw UnimplementedError(

packages/share_plus/share_plus/lib/src/share_plus_web.dart

@@ -32,6 +32,7 @@ class SharePlusWebPlugin extends SharePlatform {
   Future<ShareResult> shareUri(
     Uri uri, {
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     final data = ShareData(
       url: uri.toString(),
@@ -76,6 +77,7 @@ class SharePlusWebPlugin extends SharePlatform {
     String text, {
     String? subject,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     final ShareData data;
     if (subject != null && subject.isNotEmpty) {
@@ -160,6 +162,7 @@ class SharePlusWebPlugin extends SharePlatform {
     String? text,
     Rect? sharePositionOrigin,
     List<String>? fileNameOverrides,
+    List<CupertinoActivityType>? excludedActivityType,
   }) async {
     assert(
         fileNameOverrides == null || files.length == fileNameOverrides.length);

packages/share_plus/share_plus/lib/src/share_plus_windows.dart

@@ -28,6 +28,7 @@ class SharePlusWindowsPlugin extends SharePlatform {
     Uri uri, {
     String? subject,
     String? text,
+    List<CupertinoActivityType>? excludedActivityType,
     Rect? sharePositionOrigin,
   }) async {
     throw UnimplementedError(
@@ -39,6 +40,7 @@ class SharePlusWindowsPlugin extends SharePlatform {
   Future<ShareResult> share(
     String text, {
     String? subject,
+    List<CupertinoActivityType>? excludedActivityType,
     Rect? sharePositionOrigin,
   }) async {
     final queryParameters = {
@@ -73,6 +75,7 @@ class SharePlusWindowsPlugin extends SharePlatform {
     String? subject,
     String? text,
     Rect? sharePositionOrigin,
+    List<CupertinoActivityType>? excludedActivityType,
     List<String>? fileNameOverrides,
   }) {
     throw UnimplementedError(