MTAT.03.262 Mobile Application Development

Cloud-based Service Integration for Smartphones

Huber Flores huber@ut.ee

Tartu, Estonia, 2013

Outline

• Background

• Synchronization Markup Language (SyncML)

• Notification services

• Demo

Huber Flores 2

BACKGROUND

Huber Flores 3

Cloud-based Service Integration

• Data security

• Data mobility

• Augment storage

• Enrich functionality

Huber Flores 4

SYNCML

Huber Flores 5

Synchronization Services

• Open protocol based upon standardized XML communication over HTTP POST

– Streaming

• Replication of data

– Mobile-PC (e.g. Kies)

– Mobile-Cloud (e.g. Google sync, Funambol)

• Cloud service integration (e.g. e-mail)

Huber Flores 6

SyncML Architecture

Huber Flores 7

Funambol

Huber Flores 8

Funambol

Huber Flores 9

NOTIFICATION SERVICES

Huber Flores 10

Notification Services

• Push gateway proxy

– Broker

– Subscribers

• Remote executions

• Polling (e.g. HTTP)

• Heartbeats

– Highly integrated and optimized algorithms

Huber Flores 11

Notification Services

Huber Flores 12

Notification Services

Huber Flores 13

Notification Services

• Apple Push Notification Service (APNS)

• Microsoft Push Notification Service (MPNS)

• Google Cloud Messaging (GCM)

• Message Queuing Telemetry Transport (MQTT)

• Extensible Messaging and Presence Protocol (XMPP)

Huber Flores 14

Notification Services

Mechanism Payload (bytes) Mobile platform Average delivery time (seconds)

APNS 256 iOS 0.4

MPNS 4096 Windows Phone 1.2

GCM (aka AC2DM) 1024 Android 1.0

MQTT 1024 Any 0.3

XMPP 1024 Any 0.3

Huber Flores 15

Notification Services

Huber Flores 16

DEMO

Huber Flores 17

Exercise

• Implement a notification client in Android Simulator

Huber Flores 18

QUESTIONS

Huber Flores 19

References

• Suggested readings

– Flores, Huber, and Satish Srirama. Mobile cloud messaging supported by xmpp primitives. In Proceeding of the fourth ACM workshop on Mobile cloud computing and services, pp. 17-24. ACM, 2013.

Huber Flores 20

Homework

• Implement your own Notification Server based on GCM – https://github.com/huberflores/GCMServer

• Record a video showing – API Key

– Sender ID

– Some configuration steps (half at least)

– Receiving a notification in the emulator

• Submit a text file with your video link (e.g. youtube)

Huber Flores 21