feat: allow web contents debugging in Chrome

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

@@ -102,6 +102,7 @@ public class FlutterWebviewPlugin implements MethodCallHandler, PluginRegistry.A
         boolean useWideViewPort = call.argument("useWideViewPort");
         String invalidUrlRegex = call.argument("invalidUrlRegex");
         boolean geolocationEnabled = call.argument("geolocationEnabled");
+        boolean debuggingEnabled = call.argument("debuggingEnabled");
 
         if (webViewManager == null || webViewManager.closed == true) {
             webViewManager = new WebviewManager(activity, context);
@@ -126,7 +127,8 @@ public class FlutterWebviewPlugin implements MethodCallHandler, PluginRegistry.A
                 allowFileURLs,
                 useWideViewPort,
                 invalidUrlRegex,
-                geolocationEnabled
+                geolocationEnabled,
+                debuggingEnabled
         );
         result.success(null);
     }

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

@@ -346,7 +346,8 @@ class WebviewManager {
             boolean allowFileURLs,
             boolean useWideViewPort,
             String invalidUrlRegex,
-            boolean geolocationEnabled
+            boolean geolocationEnabled,
+            boolean debuggingEnabled
     ) {
         webView.getSettings().setJavaScriptEnabled(withJavascript);
         webView.getSettings().setBuiltInZoomControls(withZoom);
@@ -362,7 +363,10 @@ class WebviewManager {
         webView.getSettings().setAllowUniversalAccessFromFileURLs(allowFileURLs);
 
         webView.getSettings().setUseWideViewPort(useWideViewPort);
-
+        
+        // Handle debugging
+        webView.setWebContentsDebuggingEnabled(debuggingEnabled);
+        
         webViewClient.updateInvalidUrlRegex(invalidUrlRegex);
 
         if (geolocationEnabled) {

lib/src/base.dart

@@ -130,6 +130,7 @@ class FlutterWebviewPlugin {
     bool useWideViewPort,
     String invalidUrlRegex,
     bool geolocationEnabled,
+    bool debuggingEnabled,
   }) async {
     final args = <String, dynamic>{
       'url': url,
@@ -149,6 +150,7 @@ class FlutterWebviewPlugin {
       'useWideViewPort': useWideViewPort ?? false,
       'invalidUrlRegex': invalidUrlRegex,
       'geolocationEnabled': geolocationEnabled ?? false,
+      'debuggingEnabled': debuggingEnabled ?? false,
     };
 
     if (headers != null) {

lib/src/webview_scaffold.dart

@@ -32,7 +32,8 @@ class WebviewScaffold extends StatefulWidget {
     this.allowFileURLs,
     this.resizeToAvoidBottomInset = false,
     this.invalidUrlRegex,
-    this.geolocationEnabled
+    this.geolocationEnabled,
+    this.debuggingEnabled = false,
   }) : super(key: key);
 
   final PreferredSizeWidget appBar;
@@ -58,6 +59,7 @@ class WebviewScaffold extends StatefulWidget {
   final bool resizeToAvoidBottomInset;
   final String invalidUrlRegex;
   final bool geolocationEnabled;
+  final bool debuggingEnabled;
 
   @override
   _WebviewScaffoldState createState() => _WebviewScaffoldState();
@@ -153,7 +155,8 @@ class _WebviewScaffoldState extends State<WebviewScaffold> {
               appCacheEnabled: widget.appCacheEnabled,
               allowFileURLs: widget.allowFileURLs,
               invalidUrlRegex: widget.invalidUrlRegex,
-              geolocationEnabled: widget.geolocationEnabled
+              geolocationEnabled: widget.geolocationEnabled,
+              debuggingEnabled: widget.debuggingEnabled,
             );
           } else {
             if (_rect != value) {