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Mobile App Development

Spring 2013

Agenda

• Practical information

• Introduction to mobile development

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About us

• Jacob Avlund, course manager

• Kasper Østerbye, teacher

• Charlotte Katzmann, TA

• Jesper Sandberg, TA

• Natalia Izabela Kuraszynska, TA

Natalia Izabela Kuraszynska

• Has a Master in Chemistry with application of Computer Science from Poland

• TA for Mobile and Distributed Systems in Fall 2011 and 2012

• Starts master thesis in March

• Main interests: HCI, environmental sensing, data mining, mobile programing, IT project management

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Jesper Sandberg

• Starting Master thesis in March within Pervasive Computing

• Also working as IT Manager and Web Developer

• Will gladly accept any foosball challenge 

Charlotte Katzmann

• Finished master in software development- and technology in nov 2012.

• Danske Bank IT Developer Graduate Programme

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Kasper Østerbye

• Ph.d from Aalborg University, 1990

• Has worked with object oriented programming since 1985

• Background in the Smalltalk, Java, C# etc

• Taught a number of courses at ITU

• Never done an app....

Jacob Avlund

• Cand.it from ITU, 2005

• I develop apps for Android and iOS in my company Siblingsoft

• Background in the Java Enterprise world

• Taught a number of courses at ITU

• Created the app Valg2011 for iOS/Android, which got more than 100.000 downloads

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Prerequisites

• Programming experience corresponding to the course Object Oriented Programming, and experience from one or more programming projects here at ITU

• Knowledge of XML and SQL an advantage

• Bring your own computer if at all possible

Course goals

• Straight from the course base:

• This is a preliminary version of the goals – we will adjust by next week

After the course, the student should be able to:

• describe the major mobile technologies currently leading the market, as well as how they differ from each other

• characterise the advantages of developing for a mobile device over developing for a desktop machine/server

• list the feature set of a modern mobile device

• describe and design using the distribution model of an app for a mobile device

• summarise the architecture and work flow of an Android app for a specific case

• list, select and apply relevant design patterns for an Android app for a specific case

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Subjects

• About the mobile market and mobile programming in general

• Android architecture and configuration

• Layouts and resources

• Activities and fragments

• Intents

• Persistence

• Location/GPS

• Server communication

• Threads and services

• Distributing apps

• Mobile web

What you see is what you get

• What this course IS

–Very technical

–Very practical

–Android-focused

• What this course is NOT

–An iPhone course

–A graphic design course

–A marketing course

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Literature

• Mandatory:

–Lee, Wei-Meng: Beginning Android 4 Application Development

• Additional:

–Lee, Wei-Meng: Android Application Development Cookbook

• Hardcore:

–Meier, Reto: Professional Android 4 Application Development

Exercises

• Exercises are held immediately after lectures – 19.00-21.00

• Recurring case, which will also form the basis for the exam

• Exercises are not mandatory, but the Tas will correct your solutions if you choose to hand them in (which we recommend, of course)

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Misc. practical information

• The ITU canteen is closed in the evening; KUA’s canteen may be open though

• Also, there are vending machines here or there where you might find food and other stuff

• Course home page:

http://www.itu.dk/courses/MMAD/F2013/

Exam

• Part 1:

– 48 hour exam, where you solve an assignment based on the case we’ve been working on during the

semester

– Can be done at home, at school or wherever else you’d like

– Part 2:

– Oral exam, where you defend your solution from Part 1

– You may also (and probably will) be asked questions from this course’s curriculum

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Questions?

?

Introduction to mobile

development

• Why develop for mobiles?

• The mobile landscape right now

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What is a mobile app?

• Software application designed for smart phones and/or tablets

• Normally distributed through huge application portals (App Store, Google Play, Windows Phone Store etc.)

• Can utilize phone hardware

Why develop for mobile?

• A grotesque amount of smart phones on the market:

– iOS (iPhone, iPad, iPod touch): 316 mil sold in 4 years (in comparison: 122 mil Macs sold in 28 years)

– Android: more than 500 mil devices activated (and 1.3 mil more every day)

• Huge software market:

– iOS: more than 750,000 apps in App Store, more than 40 bil downloads

– Android: more than 700,000 apps in Google Play, more than 25 bil downloads

Sources:

• http://techcrunch.com/2012/02/16/apple-sold-more-iphones-than-macs-ever/

• http://www.informationweek.com/hardware/handheld/google-races-toward-1-billion-android-ac/240007197

• http://www.apple.com/pr/library/2013/01/07App-Store-Tops-40-Billion-Downloads-with-Almost-Half-in-2012.html

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Why develop for mobile?

• Access to unique technology:

–Camera

–Accelerometer

–GPS

–NFC

–Etc.

• A possibility to reach the ”ordinary consumer” fast and cheap

• A new entrance for existing services

Some history

• Before 2007, the market was dominated by Nokia phones – using the Symbian system – and RIM’s Blackberry devices

• The smart phone race rose to an entirely new level when the first iPhone was released in 2007

• App Store (introduced with iPhone 3G) delivered an entirely new distribution model, with a huge market as a consequence

• The first commercially available Android based phone (HTC Dream) appeared in october 2008, with Android Market (now Google Play) as an alternative to App Store

• Windows Phone was announced and marketed in 2010, and in 2011 Nokia and Microsoft made an alliance, resulting in Nokia focusing strongly on Windows Phone based smart phones

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iOS/Android/Windows Phone

iOS Android Windows Phone

Developed by Apple Google Microsoft

Newest version 6.0 4.2 8.0

Used by Apple ONLY Samsung, HTC, Sony etc. Nokia, HTC etc. Primary language Objective C Java C#

Development IDE Xcode (Mac required) Eclipse (ADT) Visual Studio Distributed via App Store Google Play WP Store Subscription fee $99/year $25 (once) $99/year

Download fee 30% 30% 30% (20%)

Mobile web sites

• Web sites optimized for smart phones

• Typically developed in HTML5 with CSS3 and JavaScript • Challenges compared to desktop web sites:

– Screen size

– Connection speed and cost

– Cumbersome multi-tasking

– No plugins (Flash, Java)

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Apps vs. Mobile web sites

• App advantages

–Strong distribution model

–Speed

–More flexible offline capabilities

–Better access to phone hardware

–Prestige

• Mobile web advantages

–No need to download an app

–Works on all... well, most devices

–Lower development costs

Why Android?

• Open source

• Big market and many types of devices

• Apps are written in Java

• Relatively easy to test

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Android versions

Version Name Features

1.5 Cupcake Widgets, copy/paste

1.6 Donut WVGA support

2.0-2.1 Eclair

2.2 Froyo Generel overhaul

2.3.x Gingerbread NFC, WXGA support 3.x Honeycomb Tablet support, fragments 4.0 Ice Cream Sandwich Unified version

4.2 Jelly Bean UI speed boost

Who’s using what?

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