public void ToPng(TaskCompletionSource <ToFileResult> taskCompletionSource, Xamarin.Forms.WebView xfWebView, string fileName)
{
if (Platform.CreateRendererWithContext(xfWebView, Settings.Context) is IVisualElementRenderer renderer)
{
Android.Webkit.WebView droidWebView = renderer.View as Android.Webkit.WebView;
if (droidWebView == null && renderer.View is WebViewRenderer xfWebViewRenderer)
{
droidWebView = xfWebViewRenderer.Control;
}
if (droidWebView != null)
{
//var size = new Size(8.5, 11);
var externalPath = Android.OS.Environment.ExternalStorageDirectory.AbsolutePath;
using (var dir = new Java.IO.File(externalPath))
using (var file = new Java.IO.File(dir + "/" + fileName + ".png"))
{
if (!dir.Exists())
{
dir.Mkdir();
}
if (file.Exists())
{
file.Delete();
}
droidWebView.SetLayerType(LayerType.Software, null);
droidWebView.Settings.JavaScriptEnabled = true;
#pragma warning disable CS0618 // Type or member is obsolete
droidWebView.DrawingCacheEnabled = true;
droidWebView.BuildDrawingCache();
#pragma warning restore CS0618 // Type or member is obsolete
droidWebView.SetWebViewClient(new WebViewCallBack(taskCompletionSource, fileName, OnPageFinished));
}
}
}
}
