protected void btnSend_Click(object sender, EventArgs e)
{
FCMController fcmController = new FCMController();
List <FCM> dsFcm = fcmController.getFCMs();
WebRequest tRequest;
//Thiết lập FCM send;
tRequest = WebRequest.Create("https://fcm.googleapis.com/fcm/send");
tRequest.Method = "POST";
tRequest.UseDefaultCredentials = true;
tRequest.PreAuthenticate = true;
tRequest.Credentials = CredentialCache.DefaultNetworkCredentials;
//Định dạng JSON
tRequest.ContentType = "application/json";
tRequest.Headers.Add(string.Format("Authorization: key={0}", "AAAA-sAD9sk:APA91bGIsoDQNHftnaygNre2wahbNlBzwG6rbCpx-E0VOjGDHLwSMimwxEm69I61IEmS1j8N0V3z1TCilGBn-4fJlxM8KBvI04Oh4Ew_SLE_qKsTlkGJCo6B4ZxIG6UpPtwkmnAltICW"));
tRequest.Headers.Add(string.Format("Sender: id={0}", "1076963309257"));
string[] arrRegid = dsFcm.Select(x => x.Token).ToArray();
string RegArr = string.Empty;
RegArr = string.Join("\",\"", arrRegid);
string postData = "{ \"registration_ids\": [ \"" + RegArr + "\" ],\"data\": {\"message\": \"" + txtNotification.Text + "\",\"body\": \"" + txtNotification.Text + "\",\"title\": \"" + txtTitle.Text + "\",\"collapse_key\":\"" + txtNotification.Text + "\"}}";
Byte[] byteArray = Encoding.UTF8.GetBytes(postData);
tRequest.ContentLength = byteArray.Length;
Stream dataStream = tRequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
WebResponse tResponse = tRequest.GetResponse();
dataStream = tResponse.GetResponseStream();
StreamReader tReader = new StreamReader(dataStream);
String sResponseFromServer = tReader.ReadToEnd();
txtResult.Text = sResponseFromServer; //Lấy thông báo kết quả từ FCM server.
tReader.Close();
dataStream.Close();
tResponse.Close();
}
