Updated return value for CookieManager.setCookie method to be Future<bool>

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 6.0.0-beta.26
 
+- Updated return value for `CookieManager.setCookie` method to be `Future<bool>`. The return value indicates whether the cookie was set successfully.
 - Merged "feat(ios): optional tradeoff to fix ios input delay" [#1665](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1665) (thanks to [andreasgangso](https://github.com/andreasgangso))
 - Merged "Fix ios multiple flutter presenting error" [#1736](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1736) (thanks to [AlexT84](https://github.com/AlexT84))
 - Merged "fix cert parsing for ios 12" [#1822](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1822) (thanks to [darkang3lz92](https://github.com/darkang3lz92))

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/MyCookieManager.java

@@ -180,8 +180,8 @@ public class MyCookieManager extends ChannelDelegateImpl {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
       cookieManager.setCookie(url, cookieValue, new ValueCallback<Boolean>() {
         @Override
-        public void onReceiveValue(Boolean aBoolean) {
-          result.success(true);
+        public void onReceiveValue(Boolean successful) {
+          result.success(successful);
         }
       });
       cookieManager.flush();
@@ -297,7 +297,7 @@ public class MyCookieManager extends ChannelDelegateImpl {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
       cookieManager.setCookie(url, cookieValue, new ValueCallback<Boolean>() {
         @Override
-        public void onReceiveValue(Boolean aBoolean) {
+        public void onReceiveValue(Boolean successful) {
           result.success(true);
         }
       });
@@ -364,7 +364,7 @@ public class MyCookieManager extends ChannelDelegateImpl {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
       cookieManager.removeAllCookies(new ValueCallback<Boolean>() {
         @Override
-        public void onReceiveValue(Boolean aBoolean) {
+        public void onReceiveValue(Boolean successful) {
           result.success(true);
         }
       });

lib/src/cookie_manager.dart

@@ -65,6 +65,9 @@ class CookieManager {
   ///[webViewController] could be used if you need to set a session-only cookie using JavaScript (so [isHttpOnly] cannot be set, see: https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#restrict_access_to_cookies)
   ///on the current URL of the [WebView] managed by that controller when you need to target iOS below 11, MacOS below 10.13 and Web platform. In this case the [url] parameter is ignored.
   ///
+  ///The return value indicates whether the cookie was set successfully.
+  ///Note that it will return always `true` for Web platform, iOS below 11.0 and MacOS below 10.13.
+  ///
   ///**NOTE for iOS below 11.0 and MacOS below 10.13**: If [webViewController] is `null` or JavaScript is disabled for it, it will try to use a [HeadlessInAppWebView]
   ///to set the cookie (session-only cookie won't work! In that case, you should set also [expiresDate] or [maxAge]).
   ///
@@ -77,7 +80,7 @@ class CookieManager {
   ///- iOS ([Official API - WKHTTPCookieStore.setCookie](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882007-setcookie))
   ///- MacOS ([Official API - WKHTTPCookieStore.setCookie](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882007-setcookie))
   ///- Web
-  Future<void> setCookie(
+  Future<bool> setCookie(
       {required WebUri url,
       required String name,
       required String value,
@@ -110,7 +113,7 @@ class CookieManager {
           isSecure: isSecure,
           sameSite: sameSite,
           webViewController: webViewController);
-      return;
+      return true;
     }
 
     Map<String, dynamic> args = <String, dynamic>{};
@@ -125,7 +128,7 @@ class CookieManager {
     args.putIfAbsent('isHttpOnly', () => isHttpOnly);
     args.putIfAbsent('sameSite', () => sameSite?.toNativeValue());
 
-    await _channel.invokeMethod('setCookie', args);
+    return await _channel.invokeMethod('setCookie', args);
   }
 
   Future<void> _setCookieWithJavaScript(