public async Task <string> ConvertHtmlToPDF(string html, string fileName)
{
var dir = new Java.IO.File(Android.OS.Environment.ExternalStorageDirectory.AbsolutePath + "/Download/");
var file = new Java.IO.File(dir + "/" + fileName + ".pdf");
if (!dir.Exists())
{
dir.Mkdirs();
}
int x = 0;
while (file.Exists())
{
x++;
file = new Java.IO.File(dir + "/" + fileName + "(" + x + ")" + ".pdf");
}
var webpage = new Android.Webkit.WebView(MainActivity.Instance);
//var windowManager = MainActivity.Instance.GetSystemService(Android.Content.Context.WindowService);
//DisplayMetrics outMetrics = new DisplayMetrics();
//windowManager.DefaultDisplay.GetMetrics(outMetrics);
//int widthPixels = outMetrics.WidthPixels;
//int heightPixels = outMetrics.HeightPixels;
//int width = widthPixels;
//int height = heightPixels;
int width = 2102;
int height = 2937;
webpage.Layout(0, 0, width, height);
var client = new WebViewCallBack(file.ToString());
var tokenSource = new CancellationTokenSource();
var task = Task.Run(() =>
{
if (tokenSource.Token.IsCancellationRequested)
{
return;
}
while (true)
{
if (tokenSource.Token.IsCancellationRequested)
{
break;
}
}
}, tokenSource.Token);
client.OnPageLoadFinished += (s, e) =>
{
tokenSource.Cancel();
};
webpage.SetWebViewClient(client);
webpage.LoadDataWithBaseURL("", html, "text/html", "UTF-8", null);
await task;
return(file.ToString());
}
public async Task <string> ConvertHtmlToPDF(string html, string filename)
{
UIWebView webView = new UIWebView(new CGRect(0, 0, 6.5 * 72, 9 * 72));
var documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var file = Path.Combine(documents, filename + ".pdf");
var webDelegate = new WebViewCallBack(file);
webView.Delegate = webDelegate;
webView.ScalesPageToFit = true;
webView.UserInteractionEnabled = false;
webView.BackgroundColor = UIColor.White;
var tokenSource = new CancellationTokenSource();
var task = Task.Run(async() =>
{
if (tokenSource.Token.IsCancellationRequested)
{
return;
}
while (true)
{
await Task.Delay(1);
if (tokenSource.Token.IsCancellationRequested)
{
break;
}
}
}, tokenSource.Token);
webDelegate.OnPageLoadFinished += (s, e) =>
{
tokenSource.Cancel();
};
webView.LoadHtmlString(html, null);
await task;
return(file);
}