Fixed missing clearHistory webview method implementation on Android, Fixed iOS crash when using CookieManager getCookies for an URL and the host URL is null

CHANGELOG.md

@@ -9,6 +9,8 @@
 - Fixed "window.flutter_inappwebview.callHandler is not a function" [#218](https://github.com/pichillilorenzo/flutter_inappwebview/issues/218)
 - Fixed "Android ContentBlocker - java.lang.NullPointerException ContentBlockerTrigger resource type" [#506](https://github.com/pichillilorenzo/flutter_inappwebview/issues/506)
 - Fixed "Android CookieManager throws error caused by websites that are sending back illegal/invalid cookies." [#476](https://github.com/pichillilorenzo/flutter_inappwebview/issues/476)
+- Fixed missing `clearHistory` webview method implementation on Android
+- Fixed iOS crash when using CookieManager getCookies for an URL and the host URL is `null`
 
 ## 4.0.0+4
 

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/InAppBrowser/InAppBrowserActivity.java

@@ -407,6 +407,10 @@ public class InAppBrowserActivity extends AppCompatActivity implements MethodCha
       case "getCertificate":
         result.success(getCertificate());
         break;
+      case "clearHistory":
+        clearHistory();
+        result.success(true);
+        break;
       default:
         result.notImplemented();
     }
@@ -975,6 +979,11 @@ public class InAppBrowserActivity extends AppCompatActivity implements MethodCha
     return null;
   }
 
+  public void clearHistory() {
+    if (webView != null)
+      webView.clearHistory();
+  }
+
   public void dispose() {
     channel.setMethodCallHandler(null);
     activityResultListeners.clear();

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/InAppWebView/FlutterWebView.java

@@ -503,6 +503,14 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
           result.success(null);
         }
         break;
+      case "clearHistory":
+        if (webView != null) {
+          webView.clearHistory();
+          result.success(true);
+        } else {
+          result.success(false);
+        }
+        break;
       default:
         result.notImplemented();
     }

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.4.11/","dependencies":[]}],"android":[{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.4.11/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+3/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-0.0.1+7/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[{"name":"url_launcher_web","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-0.1.2/","dependencies":[]}]},"dependencyGraph":[{"name":"flutter_inappwebview","dependencies":[]},{"name":"e2e","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_web","url_launcher_macos"]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_web","dependencies":[]}],"date_created":"2020-09-07 12:36:26.957070","version":"1.20.3"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.4.11/","dependencies":[]}],"android":[{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.4.11/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+3/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-0.0.1+7/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[{"name":"url_launcher_web","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-0.1.2/","dependencies":[]}]},"dependencyGraph":[{"name":"flutter_inappwebview","dependencies":[]},{"name":"e2e","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_web","url_launcher_macos"]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_web","dependencies":[]}],"date_created":"2020-09-07 18:06:16.830498","version":"1.20.3"}

example/ios/Podfile

@@ -10,78 +10,32 @@ project 'Runner', {
   'Release' => :release,
 }
 
-def parse_KV_file(file, separator='=')
+def flutter_root
-  file_abs_path = File.expand_path(file)
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
-  if !File.exists? file_abs_path
+  unless File.exist?(generated_xcode_build_settings_path)
-    return [];
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
   end
-  generated_key_values = {}
+
-  skip_line_start_symbols = ["#", "/"]
+  File.foreach(generated_xcode_build_settings_path) do |line|
-  File.foreach(file_abs_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
-    next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
+    return matches[1].strip if matches
-    plugin = line.split(pattern=separator)
-    if plugin.length == 2
-      podname = plugin[0].strip()
-      path = plugin[1].strip()
-      podpath = File.expand_path("#{path}", file_abs_path)
-      generated_key_values[podname] = podpath
-    else
-      puts "Invalid plugin specification: #{line}"
-    end
   end
-  generated_key_values
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
 end
 
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
 target 'Runner' do
   use_frameworks!
   use_modular_headers!
 
-  # Flutter Pod
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
-
-  copied_flutter_dir = File.join(__dir__, 'Flutter')
-  copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework')
-  copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec')
-  unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path)
-    # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet.
-    # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration.
-    # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist.
-
-    generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig')
-    unless File.exist?(generated_xcode_build_settings_path)
-      raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first"
-    end
-    generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path)
-    cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR'];
-
-    unless File.exist?(copied_framework_path)
-      FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir)
-    end
-    unless File.exist?(copied_podspec_path)
-      FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir)
-    end
-  end
-
-  # Keep pod path relative so it can be checked into Podfile.lock.
-  pod 'Flutter', :path => 'Flutter'
-
-  # Plugin Pods
-
-  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
-  # referring to absolute paths on developers' machines.
-  system('rm -rf .symlinks')
-  system('mkdir -p .symlinks/plugins')
-  plugin_pods = parse_KV_file('../.flutter-plugins')
-  plugin_pods.each do |name, path|
-    symlink = File.join('.symlinks', 'plugins', name)
-    File.symlink(path, symlink)
-    pod name, :path => File.join(symlink, 'ios')
-  end
 end
 
 post_install do |installer|
   installer.pods_project.targets.each do |target|
-    target.build_configurations.each do |config|
+    flutter_additional_ios_build_settings(target)
-      config.build_settings['ENABLE_BITCODE'] = 'NO'
-    end
   end
 end

example/lib/in_app_webiew_example.screen.dart

@@ -123,6 +123,7 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                       return ShouldOverrideUrlLoadingAction.ALLOW;
                     },
                     onLoadStop: (InAppWebViewController controller, String url) async {
+                      print(CookieManager)
                       print("onLoadStop $url");
                       setState(() {
                         this.url = url;

ios/Classes/MyCookieManager.swift

@@ -142,37 +142,45 @@ class MyCookieManager: NSObject, FlutterPlugin {
     
     public static func getCookies(url: String, result: @escaping FlutterResult) {
         var cookieList: [[String: Any?]] = []
-        MyCookieManager.httpCookieStore!.getAllCookies { (cookies) in
+        
-            for cookie in cookies {
+        if let urlHost = URL(string: url)?.host {
-                if cookie.domain.contains(URL(string: url)!.host!) {
+            MyCookieManager.httpCookieStore!.getAllCookies { (cookies) in
-                    var sameSite: String? = nil
+                for cookie in cookies {
-                    if #available(iOS 13.0, *) {
+                    if cookie.domain.contains(urlHost) {
-                        if let sameSiteValue = cookie.sameSitePolicy?.rawValue {
+                        var sameSite: String? = nil
-                            sameSite = sameSiteValue.prefix(1).capitalized + sameSiteValue.dropFirst()
+                        if #available(iOS 13.0, *) {
+                            if let sameSiteValue = cookie.sameSitePolicy?.rawValue {
+                                sameSite = sameSiteValue.prefix(1).capitalized + sameSiteValue.dropFirst()
+                            }
                         }
+                        
+                        var expiresDateTimestamp: Int64 = -1
+                        if let expiresDate = cookie.expiresDate?.timeIntervalSince1970 {
+                            // convert to milliseconds
+                            expiresDateTimestamp = Int64(expiresDate * 1000)
+                        }
+                        
+                        cookieList.append([
+                            "name": cookie.name,
+                            "value": cookie.value,
+                            "expiresDate": expiresDateTimestamp != -1 ? expiresDateTimestamp : nil,
+                            "isSessionOnly": cookie.isSessionOnly,
+                            "domain": cookie.domain,
+                            "sameSite": sameSite,
+                            "isSecure": cookie.isSecure,
+                            "isHttpOnly": cookie.isHTTPOnly,
+                            "path": cookie.path,
+                        ])
                     }
-                    
-                    var expiresDateTimestamp: Int64 = -1
-                    if let expiresDate = cookie.expiresDate?.timeIntervalSince1970 {
-                        // convert to milliseconds
-                        expiresDateTimestamp = Int64(expiresDate * 1000)
-                    }
-                    
-                    cookieList.append([
-                        "name": cookie.name,
-                        "value": cookie.value,
-                        "expiresDate": expiresDateTimestamp != -1 ? expiresDateTimestamp : nil,
-                        "isSessionOnly": cookie.isSessionOnly,
-                        "domain": cookie.domain,
-                        "sameSite": sameSite,
-                        "isSecure": cookie.isSecure,
-                        "isHttpOnly": cookie.isHTTPOnly,
-                        "path": cookie.path,
-                    ])
                 }
+                result(cookieList)
             }
-            result(cookieList)
+            return
+        } else {
+            print("Cannot get WebView cookies. No HOST found for URL: \(url)")
         }
+        
+        result(cookieList)
     }
     
     public static func deleteCookie(url: String, name: String, domain: String, path: String, result: @escaping FlutterResult) {