private void SendMmsSample()
{
// First instantiate the SendReq PDU we will be turning into a byte array that
// will be ultimately sent to the MMS service provider.
SendReq sendRequestPdu = new SendReq();
// Set the recipient number of our MMS
sendRequestPdu.AddTo(new EncodedStringValue("555-555-5555"));
// Instantiate the body of our MMS
PduBody pduBody = new PduBody();
// Attach a sample image to our MMS body
Stream sampleImageStream = this.Assets.Open(SampleImageFileName);
MemoryStream imageMemoryStream = new MemoryStream();
sampleImageStream.CopyTo(imageMemoryStream);
byte[] sampleImageData = imageMemoryStream.ToArray();
PduPart sampleImagePduPart = new PduPart();
sampleImagePduPart.SetData(sampleImageData);
sampleImagePduPart.SetContentType(new EncodedStringValue("image/png").GetTextString());
sampleImagePduPart.SetFilename(new EncodedStringValue(SampleImageFileName).GetTextString());
pduBody.AddPart(sampleImagePduPart);
// Set the body of our MMS
sendRequestPdu.Body = pduBody;
// Finally, generate the byte array to send to the MMS provider
PduComposer composer = new PduComposer(sendRequestPdu);
byte[] pduData = composer.Make();
int pduDataLength = pduData.Length;
Toast.MakeText(this, $"Successfully composed a PDU byte array of size: {pduDataLength.ToString("N0")} bytes", ToastLength.Long).Show();
}
public byte[] GetMMSPduData(string phone, string imgFilePath, string txtMessage)
{
Context ctx = AndroidGlobals.MainActivity;
byte[] pduData = null;
try
{
if (!string.IsNullOrEmpty(phone) && (!string.IsNullOrEmpty(imgFilePath) || !string.IsNullOrEmpty(txtMessage)))
{
///////////////////PDU Management Method///////////////////////////////////////////////////////
// First instantiate the PDU we will be turning into a byte array that
// will be ultimately sent to the MMS service provider.
// In this case, we are using a SendReq PDU type.
SendReq sendReqPdu = new SendReq();
// Set the recipient number of our MMS
sendReqPdu.AddTo(new EncodedStringValue(phone));
// Instantiate the body of our MMS
PduBody pduBody = new PduBody();
// Add any text message data
if (!string.IsNullOrEmpty(txtMessage))
{
PduPart txtPart = new PduPart();
txtPart.SetData(Encoding.ASCII.GetBytes(txtMessage));
txtPart.SetContentType(new EncodedStringValue("text/plain").GetTextString());
txtPart.SetName(new EncodedStringValue("Message").GetTextString());
pduBody.AddPart(txtPart);
}
// add any image data
if (!string.IsNullOrEmpty(imgFilePath))
{
PduPart imgPart = new PduPart();
byte[] sampleImageData = GetFileBytes(imgFilePath);
imgPart.SetData(sampleImageData);
imgPart.SetContentType(new EncodedStringValue("image/png").GetTextString());
imgPart.SetFilename(new EncodedStringValue(System.IO.Path.GetFileName(imgFilePath)).GetTextString());
pduBody.AddPart(imgPart);
}
// Set the body of our MMS
sendReqPdu.Body = pduBody;
// Finally, generate the byte array to send to the MMS provider
PduComposer composer = new PduComposer(sendReqPdu);
pduData = composer.Make();
}
}
catch (Exception ex)
{
MobileGlobals.AddNewException(ex);
MobileGlobals.WriteExceptionLog();
}
return(pduData);
}