export class CustomWebChromeClient extends android.webkit.WebChromeClient {
    public onCreateWindow(
      param0: android.webkit.WebView,
      param1: boolean,
      param2: boolean,
      param3: android.os.Message   ): boolean {
         console.log("Android Opening New Window");
         return true;
    }

    public shouldOverrideUrlLoading(view: any, url: any): boolean {
      console.log("In override URL Loading");
      return false;
   }

   public onShowFileChooser(
      webView: android.webkit.WebView,
      callback: android.webkit.ValueCallback<native.Array<android.net.Uri>>,
      params: android.webkit.WebChromeClient.FileChooserParams
     ): boolean {
      console.log("Custom Chrome Client");
   }
}

if (webview.android) {
      webview.android.setWebChromeClient(new CustomWebChromeClient());
      webview.android.getSettings().setSupportMultipleWindows(true);
}