/C2dmSharp.Client.Sample/DefaultActivity.cs

  1using System;
  2using System.Text;
  3
  4using Android.App;
  5using Android.Content;
  6using Android.Runtime;
  7using Android.Views;
  8using Android.Widget;
  9using Android.OS;
 10using Android.Util;
 11
 12namespace C2dmSharp.Client.Sample
 13{
 14	[Activity(Label = "C2DM-Sharp Sample", MainLauncher = true, 
 15		LaunchMode= Android.Content.PM.LaunchMode.SingleTask)]
 16	public class DefaultActivity : Activity
 17	{
 18		//NOTE: You need to put your own email here!
 19		// Whichever one you registered as the 'Role' email with google
 20		public const string senderIdEmail = "redthc2dm@gmail.com";
 21
 22
 23		TextView textRegistrationStatus = null;
 24		TextView textRegistrationId = null;
 25		TextView textLastMsg = null;
 26		Button buttonRegister = null;
 27		bool registered = false;
 28
 29		protected override void OnCreate(Bundle bundle)
 30		{
 31			base.OnCreate(bundle);
 32
 33			// Set our view from the "main" layout resource
 34			SetContentView(Resource.Layout.main);
 35
 36			textRegistrationStatus = FindViewById<TextView>(Resource.Id.textRegistrationStatus);
 37			textRegistrationId = FindViewById<TextView>(Resource.Id.textRegistrationId);
 38			textLastMsg = FindViewById<TextView>(Resource.Id.textLastMessage);
 39			buttonRegister = FindViewById<Button>(Resource.Id.buttonRegister);
 40
 41			Log.Info("C2DM-Sharp-UI", "Hello World");
 42
 43			this.buttonRegister.Click += delegate
 44			{
 45				if (!registered)
 46				{
 47					Log.Info("C2DM-Sharp", "Registering...");
 48					C2dmSharp.Client.C2dmClient.Register(this, senderIdEmail);
 49				}
 50				else
 51				{
 52					Log.Info("C2DM-Sharp", "Unregistering...");
 53					C2dmSharp.Client.C2dmClient.Unregister(this);
 54				}
 55
 56				RunOnUiThread(() =>
 57				{
 58					//Disable the button so that we can't click it again
 59					//until we get back to the activity from a notification
 60					this.buttonRegister.Enabled = false;
 61				});
 62			};			
 63		}
 64
 65		protected override void OnResume()
 66		{
 67			base.OnResume();
 68
 69			updateView();
 70		}
 71
 72		void updateView()
 73		{
 74			//Get the stored latest registration id
 75			var registrationId = C2dmClient.GetRegistrationId(this);
 76
 77			//If it's empty, we need to register
 78			if (string.IsNullOrEmpty(registrationId))
 79			{
 80				registered = false;
 81				this.textRegistrationStatus.Text = "Registered: No";
 82				this.textRegistrationId.Text = "Id: N/A";
 83				this.buttonRegister.Text = "Register...";
 84
 85				Log.Info("C2DM-Sharp", "Not registered...");
 86			}
 87			else
 88			{
 89				registered = true;
 90				this.textRegistrationStatus.Text = "Registered: Yes";
 91				this.textRegistrationId.Text = "Id: " + registrationId;
 92				this.buttonRegister.Text = "Unregister...";
 93
 94				Log.Info("C2DM-Sharp", "Already Registered: " + registrationId);
 95			}
 96
 97			var prefs = GetSharedPreferences("c2dm.client.sample", FileCreationMode.Private);
 98			this.textLastMsg.Text = "Last Msg: " + prefs.GetString("last_msg", "N/A");
 99
100			//Enable the button as it was normally disabled
101			this.buttonRegister.Enabled = true;
102		}
103	}
104}
105