public static Java.IO.File createTempFile(string filename, byte[] decrypted)
{
Java.IO.File tempFile = new Java.IO.File("/storage/emulated/0/jukebox/Songs/decrepted" + filename);
FileOutputStream fos = new FileOutputStream(tempFile);
tempFile.DeleteOnExit();
fos.Write(decrypted);
fos.Close();
return(tempFile);
}
public static FileDescriptor GetMediaFileDescriptor(Context context, byte[] byteArray)
{
try
{
// create temp file that will hold byte array
Java.IO.File tempMp3 = Java.IO.File.CreateTempFile("demo", "mp4", context.CacheDir);
tempMp3.DeleteOnExit();
FileOutputStream fos = new FileOutputStream(tempMp3);
fos.Write(byteArray);
fos.Close();
FileInputStream fis = new FileInputStream(tempMp3);
return(fis.FD);
}
catch (Exception ex)
{
return(null);
}
}
public void ComposeEmail(
IEnumerable <string> to, IEnumerable <string> cc = null, string subject = null,
string body = null, bool isHtml = false,
IEnumerable <EmailAttachment> attachments = null, string dialogTitle = null)
{
// http://stackoverflow.com/questions/2264622/android-multiple-email-attachments-using-intent
var emailIntent = new Intent(Intent.ActionSendMultiple);
if (to != null)
{
emailIntent.PutExtra(Intent.ExtraEmail, to.ToArray());
}
if (cc != null)
{
emailIntent.PutExtra(Intent.ExtraCc, cc.ToArray());
}
emailIntent.PutExtra(Intent.ExtraSubject, subject ?? string.Empty);
body = body ?? string.Empty;
if (isHtml)
{
emailIntent.SetType("text/html");
ICharSequence htmlBody;
if (Build.VERSION.SdkInt >= BuildVersionCodes.N)
{
htmlBody = Html.FromHtml(body, FromHtmlOptions.ModeLegacy);
}
else
#pragma warning disable CS0618 // Type or member is obsolete
{
htmlBody = Html.FromHtml(body);
}
#pragma warning restore CS0618 // Type or member is obsolete
emailIntent.PutExtra(Intent.ExtraText, htmlBody);
}
else
{
emailIntent.SetType("text/plain");
emailIntent.PutExtra(Intent.ExtraText, body);
}
if (attachments != null)
{
var uris = new List <IParcelable>();
DoOnActivity(activity => {
filesToDelete = new List <File>();
foreach (var file in attachments)
{
// fix for Gmail error
using (var memoryStream = new MemoryStream())
{
var fileName = Path.GetFileNameWithoutExtension(file.FileName);
var extension = Path.GetExtension(file.FileName);
// save file in external cache (required so Gmail app can independently access it, otherwise Gmail won't take the attachment)
var newFile = new File(activity.ExternalCacheDir, fileName + extension);
file.Content.CopyTo(memoryStream);
var bytes = memoryStream.ToArray();
using (var localFileStream = new FileOutputStream(newFile))
{
localFileStream.Write(bytes);
}
newFile.SetReadable(true, false);
newFile.DeleteOnExit();
uris.Add(Uri.FromFile(newFile));
filesToDelete.Add(newFile);
}
}
});
if (uris.Any())
{
emailIntent.PutParcelableArrayListExtra(Intent.ExtraStream, uris);
}
}
emailIntent.AddFlags(ActivityFlags.GrantReadUriPermission);
emailIntent.AddFlags(ActivityFlags.GrantWriteUriPermission);
// fix for GMail App 5.x (File not found / permission denied when using "StartActivity")
StartActivityForResult(0, Intent.CreateChooser(emailIntent, dialogTitle ?? string.Empty));
}
