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Hi All,

How we can Send Push Notification for Android and iPhone in ASP.NET Web Service.

What are the steps I will have to follow and all settings ?

Thanks
Posted

For Android :

public void Notify(string regId)
{
var applicationID = "Application Id generated from google account comes here";
var result = "";
var SENDER_ID = "12 digit id you will get from google account";
var httpWebRequest = (HttpWebRequest)WebRequest.Create("https://android.googleapis.com/gcm/send");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
httpWebRequest.Headers.Add(string.Format("Authorization: key={0}", applicationID));
httpWebRequest.Headers.Add(string.Format("Sender: key={0}", SENDER_ID));
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"registration_ids\":[\"" + regId + "\"]," + "\"data\": { \"message\" : \"Your Message Text Will Come here..\"}}";
Console.WriteLine(json);
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();

var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
result = streamReader.ReadToEnd();
}
}
}
--------------------------------------------------------------------------------------
For iPhone :

public void pushMessage(string deviceID)
{
int port = 2195;
String hostname = "gateway.sandbox.push.apple.com";

String certificatePath = HttpContext.Current.Server.MapPath("CertificateNameCommeshere.p12");
X509Certificate2 clientCertificate = new X509Certificate2(System.IO.File.ReadAllBytes(certificatePath), "PasswordofCertificateComeshere");
X509Certificate2Collection certificatesCollection = new X509Certificate2Collection(clientCertificate);

TcpClient client = new TcpClient(hostname, port);
SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);

try
{
sslStream.AuthenticateAsClient(hostname, certificatesCollection, SslProtocols.Ssl3, false);
MemoryStream memoryStream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(memoryStream);
writer.Write((byte)0);
writer.Write((byte)0);
writer.Write((byte)32);

writer.Write(HexStringToByteArray(deviceID.ToUpper()));
String payload = "{\"aps\":{\"alert\":\"" + "Your Message Text Will Come here.." + "\",\"badge\":1,\"sound\":\"default\"}}";
writer.Write((byte)0);
writer.Write((byte)payload.Length);
byte[] b1 = System.Text.Encoding.UTF8.GetBytes(payload);
writer.Write(b1);
writer.Flush();
byte[] array = memoryStream.ToArray();
sslStream.Write(array);
sslStream.Flush();
client.Close();
}
catch (System.Security.Authentication.AuthenticationException ex)
{
client.Close();
}
catch (Exception e)
{
client.Close();
}
}

I got these solutions..
 
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v2
Getting below error while executing above method

An exception of type 'System.Net.WebException' occurred in System.dll but was not handled in user code

Additional information: The remote server returned an error: (401) Unauthorized.
 
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