Added option to set cookies to webview when loading url

android/src/main/java/com/flutter_webview_plugin/FlutterWebviewPlugin.java

@@ -8,6 +8,7 @@
 import android.view.Display;
 import android.widget.FrameLayout;
 
+import java.util.List;
 import java.util.Map;
 
 import io.flutter.plugin.common.MethodCall;
@@ -86,6 +87,7 @@ private void openUrl(MethodCall call, MethodChannel.Result result) {
         boolean clearCookies = call.argument("clearCookies");
         boolean withZoom = call.argument("withZoom");
         boolean withLocalStorage = call.argument("withLocalStorage");
+        Map<String, String> cookies = call.argument("cookies");
         Map<String, String> headers = call.argument("headers");
         boolean scrollBar = call.argument("scrollBar");
 
@@ -106,6 +108,7 @@ private void openUrl(MethodCall call, MethodChannel.Result result) {
                 headers,
                 withZoom,
                 withLocalStorage,
+                cookies,
                 scrollBar
         );
         result.success(null);
@@ -181,6 +184,7 @@ private void reloadUrl(MethodCall call, MethodChannel.Result result) {
                     null,
                     false,
                     false,
+                    null,
                     false
             );
         }

android/src/main/java/com/flutter_webview_plugin/WebviewManager.java

@@ -21,6 +21,7 @@
 
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
+import java.util.Map;
 
 import static android.app.Activity.RESULT_OK;
 
@@ -184,12 +185,18 @@ public void onReceiveValue(Boolean aBoolean) {
         }
     }
 
+    private void setCookies(String url, Map<String, String> cookies) {
+        for (String key : cookies.keySet()) {
+            CookieManager.getInstance().setCookie(url, key + "=" + cookies.get(key));
+        }
+    }
+
     private void clearCache() {
         webView.clearCache(true);
         webView.clearFormData();
     }
 
-    void openUrl(boolean withJavascript, boolean clearCache, boolean hidden, boolean clearCookies, String userAgent, String url, Map<String, String> headers, boolean withZoom, boolean withLocalStorage, boolean scrollBar) {
+    void openUrl(boolean withJavascript, boolean clearCache, boolean hidden, boolean clearCookies, String userAgent, String url, Map<String, String> headers, boolean withZoom, boolean withLocalStorage, Map<String, String> cookies, boolean scrollBar) {
         webView.getSettings().setJavaScriptEnabled(withJavascript);
         webView.getSettings().setBuiltInZoomControls(withZoom);
         webView.getSettings().setSupportZoom(withZoom);
@@ -207,6 +214,10 @@ void openUrl(boolean withJavascript, boolean clearCache, boolean hidden, boolean
             clearCookies();
         }
 
+        if (cookies != null && !cookies.isEmpty()) {
+            setCookies(url, cookies);
+        }
+
         if (userAgent != null) {
             webView.getSettings().setUserAgentString(userAgent);
         }

example/lib/main.dart

@@ -170,6 +170,9 @@ class _MyHomePageState extends State<MyHomePage> {
           new RaisedButton(
             onPressed: () {
               flutterWebviewPlugin.launch(selectedUrl,
+                  cookies: {
+                    "sessionid": "1234567890"
+                  },
                   rect: new Rect.fromLTWH(
                       0.0, 0.0, MediaQuery.of(context).size.width, 300.0),
                   userAgent: kAndroidUserAgent);

ios/Classes/FlutterWebviewPlugin.m

@@ -64,13 +64,15 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
 }
 
 - (void)initWebview:(FlutterMethodCall*)call {
+    NSString *url = call.arguments[@"url"];
     NSNumber *clearCache = call.arguments[@"clearCache"];
     NSNumber *clearCookies = call.arguments[@"clearCookies"];
     NSNumber *hidden = call.arguments[@"hidden"];
     NSDictionary *rect = call.arguments[@"rect"];
     _enableAppScheme = call.arguments[@"enableAppScheme"];
     NSString *userAgent = call.arguments[@"userAgent"];
     NSNumber *withZoom = call.arguments[@"withZoom"];
+    NSDictionary *cookies = call.arguments[@"cookies"];
     NSNumber *scrollBar = call.arguments[@"scrollBar"];
 
     if (clearCache != (id)[NSNull null] && [clearCache boolValue]) {
@@ -81,6 +83,26 @@ - (void)initWebview:(FlutterMethodCall*)call {
         [[NSURLSession sharedSession] resetWithCompletionHandler:^{
         }];
     }
+
+    if (cookies != (id)[NSNull null]) {
+        [dict enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL* stop) {
+            NSMutableDictionary *cookieProperties = [NSMutableDictionary dictionary];
+            [cookieProperties setObject:@key forKey:NSHTTPCookieName];
+            [cookieProperties setObject:@value forKey:NSHTTPCookieValue];
+            [cookieProperties setObject:@url forKey:NSHTTPCookieDomain];
+            [cookieProperties setObject:@url forKey:NSHTTPCookieOriginURL];
+            [cookieProperties setObject:@"/" forKey:NSHTTPCookiePath];
+            [cookieProperties setObject:@"0" forKey:NSHTTPCookieVersion];
+
+            // set expiration to one month from now or any NSDate of your choosing
+            // this makes the cookie sessionless and it will persist across web sessions and app launches
+            /// if you want the cookie to be destroyed when your app exits, don't set this
+            [cookieProperties setObject:[[NSDate date] dateByAddingTimeInterval:2629743] forKey:NSHTTPCookieExpires];
+
+            NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:cookieProperties];
+            [[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookie];
+        }];
+    }
 
     if (userAgent != (id)[NSNull null]) {
         [[NSUserDefaults standardUserDefaults] registerDefaults:@{@"UserAgent": userAgent}];

lib/src/base.dart

@@ -100,6 +100,7 @@ class FlutterWebviewPlugin {
       bool withJavascript,
       bool clearCache,
       bool clearCookies,
+      Map<String, String> cookies,
       bool hidden,
       bool enableAppScheme,
       Rect rect,
@@ -114,6 +115,7 @@ class FlutterWebviewPlugin {
       'clearCache': clearCache ?? false,
       'hidden': hidden ?? false,
       'clearCookies': clearCookies ?? false,
+      'cookies': cookies,
       'enableAppScheme': enableAppScheme ?? true,
       'userAgent': userAgent,
       'withZoom': withZoom ?? false,

lib/src/webview_scaffold.dart

@@ -11,6 +11,7 @@ class WebviewScaffold extends StatefulWidget {
   final bool withJavascript;
   final bool clearCache;
   final bool clearCookies;
+  final Map<String, String> cookies;
   final bool enableAppScheme;
   final String userAgent;
   final bool primary;
@@ -31,6 +32,7 @@ class WebviewScaffold extends StatefulWidget {
       this.withJavascript,
       this.clearCache,
       this.clearCookies,
+      this.cookies,
       this.enableAppScheme,
       this.userAgent,
       this.primary = true,
@@ -73,6 +75,7 @@ class _WebviewScaffoldState extends State<WebviewScaffold> {
           withJavascript: widget.withJavascript,
           clearCache: widget.clearCache,
           clearCookies: widget.clearCookies,
+          cookies: widget.cookies,
           enableAppScheme: widget.enableAppScheme,
           userAgent: widget.userAgent,
           rect: _rect,