onDownloadStarting method

@override FutureOr<DownloadStartResponse?>? onDownloadStarting(DownloadStartRequest downloadStartRequest)

Event fired when WebView recognizes a downloadable file. To download the file, you can use the flutter_downloader plugin.

downloadStartRequest represents the request of the file to download.

NOTE: In order to be able to listen this event, check the InAppWebViewSettings.useOnDownloadStart setting documentation.

Officially Supported Platforms/Implementations:

• Android WebView (Official API - WebView.setDownloadListener
• iOS WKWebView
• macOS WKWebView
• Windows WebView2 (Official API - ICoreWebView2_4.add_DownloadStarting)

Parameters - Officially Supported Platforms/Implementations:

• downloadStartRequest: all platforms

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

Implementation

@override
FutureOr<DownloadStartResponse?>? onDownloadStarting(
  DownloadStartRequest downloadStartRequest,
) {
  return null;
}