Push_消息推送框架

Push_消息推送服务器选择

数据来源：http://blog.sina.com.cn/s/blog_872758480100wglt.html

Apple has support push notification since iOS 3.0
But what about Android??
Android can do this using a long-polling service or keep connectedto server.
There are implementations of Android push notification.

1. Cloud to Device Messaging (C2DM) official service byGoogle
2. AndriodPN at http://sourceforge.net/projects/androidpn/files/
3. Urban Airship Service
4. IBM'sMQTT

(1) Cloudto Device Messaging (C2DM)
Recently, I noticed that Android has announced push notificationservice called Cloud to Device Messaging (C2DM)since May2010.

How to make it work ? check this: C2DMImplementation Checklist Step byStep 

One example is the Chrome toPhone extension.
the flow of registration and message-sending is similar to Applepush notification.

 

 

I will go into some detail in next post.
To send C2DM messag, you must first checkthis Howto Get C2DM ClientLogin Token

more info on the C2DM homepage 

(2) AndriodPN is an open-sourceproject at googlecode
It's a xmpp based notification server and a client toolkit.
Also includes a demo app.

(3)UrbanAirship
I knew Urban Airship when I used Apple Push Notification.
It's a good solution to implement your push service without buyingor renting a server. For the device without C2DM, it use a urbanairship helper app to communication with it's server.

It has many nice features.

• Cross platform messaging, iOS/Android/Blackberry
• Customized Messaging
• Customer Control
• ...

check this link for details: http://urbanairship.com/products/push-notifications/


(4)IBM'sMQTT
There is an implementation by Dale Lane:  UsingMQTT in Android mobile applications
It creates a Service and keeps persistent TCP/IP connection withserver.
one example:  http://tokudu.com/2010/how-to-implement-push-notifications-for-android/

more reading materials:

• AndroidCloud To Device Messaging
• JavaAndroid Tutorials: Power your mobile apps with android pushnotification (C2DM)
• UrbanAirship Brings Easy Push Notifications To Android

IBM 也使用了C2DM;