private async Task CreateTestByteFileCache(byte[] bytes)
{
var context = Application.Context;
var cacheFile = new Java.IO.File(context.CacheDir.AbsolutePath, Filename);
if (cacheFile.Exists())
{
cacheFile.Delete();
}
cacheFile.CreateNewFile();
var fo = new FileOutputStream(cacheFile);
await fo.WriteAsync(bytes);
fo.Close();
}
public Intent SaveAndView(string fileName, string contentType, MemoryStream stream, PDFOpenContext context, Context appctx)
{
string exception = string.Empty;
string root = null;
if (Android.OS.Environment.IsExternalStorageEmulated)
{
root = Android.OS.Environment.ExternalStorageDirectory.ToString();
}
else
{
root = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
}
Java.IO.File myDir = new Java.IO.File(root + "/PDFFiles");
myDir.Mkdir();
Java.IO.File file = new Java.IO.File(myDir, fileName);
if (file.Exists())
{
file.Delete();
}
try
{
FileOutputStream outs = new FileOutputStream(file);
outs.Write(stream.ToArray());
outs.Flush();
outs.Close();
}
catch (Exception e)
{
exception = e.ToString();
return(null);
}
if (file.Exists() && contentType != "application/html")
{
string extension = MimeTypeMap.GetFileExtensionFromUrl(Android.Net.Uri.FromFile(file).ToString());
string mimeType = MimeTypeMap.Singleton.GetMimeTypeFromExtension(extension);
Intent intent = new Intent(Intent.ActionView);
intent.SetFlags(ActivityFlags.ClearTop | ActivityFlags.NewTask);
Android.Net.Uri path = FileProvider.GetUriForFile(appctx, Android.App.Application.Context.PackageName + ".fileprovider", file);
intent.SetDataAndType(path, mimeType);
intent.AddFlags(ActivityFlags.GrantReadUriPermission);
return(intent);
//switch (context)
//{
// case PDFOpenContext.InApp:
// appctx.StartActivity(intent);
// break;
// case PDFOpenContext.ChooseApp:
// appctx.StartActivity(Intent.CreateChooser(intent, "Choose App"));
// break;
// default:
// break;
//}
}
else
{
return(null);
}
}