onLoadResourceWithCustomScheme method

@override FutureOr<CustomSchemeResponse?>? onLoadResourceWithCustomScheme(WebResourceRequest request)

Event fired when the WebView finds the custom-scheme while loading a resource. Here you can handle the url request and return a CustomSchemeResponse to load a specific resource encoded to base64.

Officially Supported Platforms/Implementations:

• Android WebView
• iOS WKWebView (Official API - WKURLSchemeHandler)
• macOS WKWebView (Official API - WKURLSchemeHandler)
• Windows WebView2

Parameters - Officially Supported Platforms/Implementations:

• request: all platforms

Use the PlatformInAppBrowserEvents.isMethodSupported method to check if this method is supported at runtime.

Implementation

@override
FutureOr<CustomSchemeResponse?>? onLoadResourceWithCustomScheme(
  WebResourceRequest request,
) {
  return null;
}