Hi,
This is a function used to send the Push Notifications to the Android Device.
Below is a class for pushNotifications
It has a function called SendCommandToPhone(String DeviceID,String sCommand)
DeviceId : the Registered Device Id (Unique key generated by the google play services.This id is stored in our device at the time of registration)
sCommand : the message we send to android device.
Finally we send the Message to device from our website as follows
txtMessage.Value is the textbox where we type the message
the below function is written in a button click.
This is the Register page .cs file
the Register is called as a post Method from android with the AppName and RegId
You only need RegId to identify the device(I added the AppName to identify the application[to manage multiple apps on same table])
The Database contains a table called PushNotification(AppName,RegId)
both AppName & RegId fields are Varchar fields
This is a function used to send the Push Notifications to the Android Device.
Below is a class for pushNotifications
It has a function called SendCommandToPhone(String DeviceID,String sCommand)
DeviceId : the Registered Device Id (Unique key generated by the google play services.This id is stored in our device at the time of registration)
sCommand : the message we send to android device.
public class PushNotification
{
public PushNotification()
{
}
public void SendCommandToPhone(String DeviceID,String sCommand)
{
String GoogleAppID = "---- API Key ---------------------------";
var SENDER_ID = "---ProjectId------";
WebRequest tRequest;
tRequest = WebRequest.Create("https://android.googleapis.com/gcm/send");
tRequest.Method = "post";
tRequest.ContentType = "application/x-www-form-urlencoded";
tRequest.Headers.Add(string.Format("Authorization: key={0}", GoogleAppID));
tRequest.Headers.Add(string.Format("Sender: id={0}", SENDER_ID));
String collaspeKey = Guid.NewGuid().ToString("n");
String postData = string.Format("registration_id={0}&data.message={1}&collapse_key={2}", DeviceID, sCommand, collaspeKey);
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();
tReader.Close();
dataStream.Close();
tResponse.Close();
}
}
Finally we send the Message to device from our website as follows
txtMessage.Value is the textbox where we type the message
the below function is written in a button click.
PushNotification apnGCM = new PushNotification();
try
{
string connectionString = "Data Source=yourServerIP;Initial Catalog=DatabaseName;Uid=userId;Pwd=password;Timeout=60;";
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(
"SELECT * FROM dbo.PushNotification", connection))
{
connection.Open();
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = command;
DataTable dt = new DataTable();
da.Fill(dt);
foreach (DataRowView drv in dt.DefaultView)
{
apnGCM.SendCommandToPhone(drv["RegId"].ToString(), txtMessage.Value);
}
}
}
}
catch
{
throw;
}
This is the Register page .cs file
the Register is called as a post Method from android with the AppName and RegId
You only need RegId to identify the device(I added the AppName to identify the application[to manage multiple apps on same table])
public partial class Register : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
try
{
NameValueCollection nvc = Request.Form;
string AppName="", RegId="";
if (!string.IsNullOrEmpty(nvc["AppName"]))
{
AppName = nvc["AppName"];
}
if (!string.IsNullOrEmpty(nvc["RegId"]))
{
RegId = nvc["RegId"];
}
if (!AppName.Equals("") && !RegId.Equals(""))
{
BindData(AppName, RegId);
Response.Write("Device Registered Successfully");
}
}
catch (Exception ex)
{
Response.Write("Error On Registering Device");
}
}
private void BindData(String AppName,String RegId)
{
if (!AppName.Equals("") && !RegId.Equals(""))
{
try
{
string connectionString = "Data Source=IPaddress;Initial Catalog=database;Uid=username;Pwd=password;Timeout=60;";
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(
"INSERT INTO dbo.PushNotification(AppName,RegId) VALUES ('" + AppName + "','" + RegId + "')", connection))
{
connection.Open();
command.ExecuteNonQuery();
}
}
}
catch
{
throw;
}
}
}
}
The Database contains a table called PushNotification(AppName,RegId)
both AppName & RegId fields are Varchar fields
