onLoadStart method
Event fired when the InAppBrowser starts to load an url
.
Official Android API: https://developer.android.com/reference/android/webkit/WebViewClient#onPageStarted(android.webkit.WebView,%20java.lang.String,%20android.graphics.Bitmap)
Official iOS API: https://developer.apple.com/documentation/webkit/wknavigationdelegate/1455621-webview
Implementation
void onLoadStart(Uri? url) {}