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Introduction to Mobile Application Development

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Mobile ?

3. The world is nota desktop

2. An important part of our life

1. Mobile phones

are everywhere

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Mobile phones are everywhere

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Airport

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Rural area

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Phones become an important part of our life

Connecting People Entertainment Device

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The world is not a desktop

2011, World populations 7 billion people, 5.6 billion mobile phones

2011, USA, 327.5/310, 103.9%

2009, GER, 107/82, 130%

2008, UK, 75.7/61.6, 123%

2010, VIETNAM, 72/90, 79% Source: http://en.wikipedia.org/wiki/List_of_countries_by_number_of_mobile_phones_in_use

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Are there enough software for eveyone ?

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�The world is going mobile

�Many challenges

�You can find more reasons

Why we learn???

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What is course talking about ?

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The mobile phone of the 21 centuty

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The mobile phone of the 21 centuty

SmartMobile

It has

System

It has Operating

System

It is an It is an entertainment

device

It has Sensors

Network connections

It is powerful

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The phone is powerful

Plenty of RAM Heaps of external storage

Multi-core CPU

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Khái niệm CPU Core

CPU: Central Processing Unit

Computational power of a computer is

usually measured by the power of its CPU

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Quad-core

Quad cores = 4 cores

Means: 4 “CPU” in a box

More powerful, stronger

More engergy consumption More difficult to manage

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It has operating system

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Connectivities – Wide range

3G

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Connectivities – Short range

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It has sensors

AccelerometerTouch Screen GPS receiver

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Assisted GPS (A-GPS) (on smartphones)

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�Location based Services

Map related applications

∗ Navigation Based Services

∗ Routing Services

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It is an Entertainment Device

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The smartphones problems

Difficult to interact

Battery life

Expensive

Social issuesDistraction

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Difficult Interaction

Small Screen Icon based ?

Too complicated

Menu based ?

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Short battery life

Battery Awareness

How much energy that your app uses ?

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They are expensive

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Social issues

Distractions

Mobile phones have changed our way of

communication

Isolationism

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Though, there are many difficulties: We still love them !

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How to develop an innovative program on Mobile phone ?

context awareness

User experience

Social Networks

innovative

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Context-awareness

http://www.mlab.t.u-tokyo.ac.jp/research/2005/context-aware_computing/index_e.php

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�GUI

�Menu & Navigation

�Intuitive

User experience

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�We live in a community, not in

an island

�Wireless connections are

everywhere

�Knowing & Sharing & Caring

Connectivity & Social networks

Mobile Application Development

A Little Background

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History of Mobile Phones

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And Then… Smart Phones!!!

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And Then… Smart Phones!!!

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IPhone

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Sales Dropped…

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A New Player Arrives… Google!!

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Open Handset Alliance (OHA)

Mobile Application Development

The Future

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Future of Android

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Future of Android

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Future of Android

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Android Box

�Android 4.0 OS

�Built-in Skype Camera

�1GB DDR3, 4GB Nand Flash

�Support 3G Dongle

�Support flash 11, Support HTML5

�Support Android APPs from Google Play or others

�Support 2.4G wireless keyboard & mouse

�Support sorts of USB 3G dongle, make access to

internet more conveniently

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Applications of Android Box

�Information Display Systems

�Real-Time Process Monitoring

�Media Processing Systems

�Queue Management Systems

�Imagination is the only limit

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Information Display Systems

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Real-Time Process Monitoring

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Queue Management Systems

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Android

Common Misconceptions

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What It Isn’t

�A Java ME implementation

�Part of the Linux Phone Standards Forum (LiPS)

�Simply an application layer (like UIQ or S60)

�A mobile phone handset

�Google’s answer to the iPhone

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An Open Platform for Mobile Development

The first truly open and comprehensive platform for mobile

devices, all of the software to run a mobile phone but

without the proprietary obstacles that have hindered mobile

innovation.

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Android Software Stack

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An Open Platform for Mobile Development

�A hardware reference design that describes the capabilities required of a mobile device in order to support the software stack

�A Linux operating system kernel that provides the low-level interface with the hardware, memory management, and process control, all optimized for mobile devices

�Open source libraries for application development including SQLite, WebKit, OpenGL, and a media manager

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An Open Platform for Mobile Development

�A run time used to execute and host Android applications, including the Dalvik virtual machine and the core libraries that provide Android specific functionality. The run time is designed to be small and efficient for use on mobile devices.

�An application framework that agnostically exposes system services to the application layer, including the window manager, content providers, location manager, telephony, and peer-to-peer services

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An Open Platform for Mobile Development

�A user interface framework used to host and launch

applications

�Preinstalled applications shipped as part of the stack

�A software development kit used to create applications,

including the tools, plug-ins, and documentation

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Native Android Applications

�An e-mail client

�An SMS management application

�A full PIM (personal information management) suite

�Mobile Google Maps application

�Web Browser

�An Instant Messaging Client

�A music player and picture viewer

�The Android Marketplace client

�The Amazon MP3 store client

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Android SDK Features

�Access to Hardware including Camera, GPS, and Accelerometer

�Native Google Maps, Geo coding, and Location-Based Services

�Background Services

�SQLite Database for Data Storage and Retrieval

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Android SDK Features

�Shared Data and Inter - application Communication

�P2P Services with Google Talk

�Extensive Media Support and 2D/3D Graphics

�Optimized Memory and Process Management

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Why Develop for Android?

�Simple and powerful SDK

�No licensing fees

�Excellent documentation

�A thriving developer community

�Backed by more than 30 OHA members

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What Makes Android Unique

�Google Maps Application

�Background Services and Applications

�Shared Data and Inter-process Communication

�All Applications Are Created Equal

�P2P Inter device Application Messaging

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What Comes in the Box

� The Android APIs

� Development Tools

� The Android Emulator

� Full Documentation

� Sample Code

� Online Support

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Android Application Architecture

�Activity Manager: Controls the life cycle of your activities,

including management of the activity stack

�Views: Are used to construct the user interfaces for your

activities.

�Notification Manager: Provides a consistent and non

intrusive mechanism for signaling users

�Content Providers: Lets your applications share data

between applications

�Resource Manager: Supports non-code resources like

strings and graphics to be externalized .

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What We Need to Begin Development

�Android SDK

� http://code.google.com/android/download.html

�Java Development Kit 5 or 6

� http://java.sun.com/javase/downloads/index.jsp

�Eclipse

� www.eclipse.org/downloads/