//Method to save document as a file in Android and view the saved document
public async Task SaveAndView(string fileName, String contentType, MemoryStream stream, int id)
{
string root = null;
//Get the root path in android device.
if (Android.OS.Environment.IsExternalStorageEmulated)
{
root = Android.OS.Environment.ExternalStorageDirectory.ToString();
}
else
{
root = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
}
//Create directory and file
Java.IO.File myDir = new Java.IO.File(root + "/Exports");
myDir.Mkdir();
Java.IO.File file = new Java.IO.File(myDir, fileName);
//Remove if the file exists
if (file.Exists())
{
file.Delete();
}
//Write the stream into the file
FileOutputStream outs = new FileOutputStream(file);
outs.Write(stream.ToArray());
outs.Flush();
outs.Close();
//Invoke the created file for viewing
if (file.Exists())
{
Android.Net.Uri path = Android.Net.Uri.FromFile(file);
string extension = Android.Webkit.MimeTypeMap.GetFileExtensionFromUrl(Android.Net.Uri.FromFile(file).ToString());
string mimeType = Android.Webkit.MimeTypeMap.Singleton.GetMimeTypeFromExtension(extension);
Intent intent = new Intent(Intent.ActionView);
intent.AddFlags(ActivityFlags.NewTask);
intent.SetDataAndType(path, mimeType);
///// add 'SAVE to DB'
System.Globalization.CultureInfo enUK = new System.Globalization.CultureInfo("en-GB");
DateTime now = DateTime.Now;
var outDate = Convert.ToDateTime(now, enUK);
ExportModel exp = new ExportModel {
CreatedDate = outDate,
FileName = fileName,
FilePath = path.ToString(),
JobID = id
};
await _context.SaveExportAsync(exp);
}
}
