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Android
Application Development
6-Week Course
Java
• Basic Java programming
– Exceptions
– Inner Class, Interface

• Advanced topics we will touch:
– Java IO
– Java Thr...
Android Basics
Credit goes to Google!
Course Objectives
•
•
•
•
•
•

Mobile Application Development (MAD)
Intro to Android platform
Platform architecture
Applic...
Few reasons to go MAD…
• Smart Phones
– Internet access anywhere
– Social networking

• Millions of mobile users
• Open st...
Introduction to Android
• Open software platform for mobile
development
• A complete stack – OS, Middleware,
Applications
...
Linux Kernel
•
•
•
•
•

Works as a HAL
Device drivers
Memory management
Process management
Networking
Libraries
•
•
•
•
•

C/C++ libraries
Interface through Java
Surface manager – Handling UI Windows
2D and 3D graphics
Media...
Android Runtime
• Dalvik VM
– Dex files
– Compact and efficient than class files
– Limited memory and battery power

• Cor...
Application Framework

• API interface
• Activity manager – manages application
life cycle.
Applications
• Built in and user apps
• Can replace built in apps
Course Objectives
•
•
•
•
•
•

Mobile Application Development (MAD)
Intro to Android platform
Platform architecture
Applic...
Application Building Blocks
•
•
•
•

Activity
IntentReceiver
Service
ContentProvider
Activities
• Typically correspond to one UI screen
• But, they can:
– Be faceless
– Be in a floating window
– Return a val...
IntentReceivers
• Components that respond to broadcast
‘Intents’
• Way to respond to external notification or
alarms
• App...
Intents
• Think of Intents as a verb and object; a
description of what you want done
– E.g. VIEW, CALL, PLAY etc..

• Syst...
Intents
Home

System picks best
component for that action

Contacts

Photo
Gallery

“Pick photo”
GMail

Chat

Blogger
Blog...
Services
• Faceless components that run in the
background
– E.g. music player, network download etc…
ContentProviders
• Enables sharing of data across
applications
– E.g. address book, photo gallery

• Provides uniform APIs...
Course Objectives
•
•
•
•
•
•

Mobile Application Development (MAD)
Intro to Android platform
Platform architecture
Applic...
Development Tools
• Eclipse
• Android SDK 2.0 or higher
developer.android.com
The Emulator
• QEMU-based ARM emulator
• Runs the same image as the
device
• Limitations:
– No Camera support
Devices
Hello World
• A great starting point:
http://developer.android.com/guide/tutorial
s/hello-world.html
• Generating UIs
– Vi...
Application Lifecycle
• Application run in their own processes
(VM, PID)
• Processes are started and stopped as
needed to ...
Lifecycle
• System
Process

• Home

• Mail

Home

• Map
Contacts

GMail

• Browser
Location Manager
XMPP Services
• Allows any app to send device-to-device
messages to other android users
• Data Messages are Intents with
n...
Notification Manager
Notification Manager
• How background app interact with users
• Consistent notification presentation
Views
Views
Location Manager
End of Lecture
• First task, install the SDK and Eclipse for
instructions detailed in Assignment #1
• Will be performed in...
Android Training
Android Training
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Android Training

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Android Training

  1. 1. Android Application Development 6-Week Course
  2. 2. Java • Basic Java programming – Exceptions – Inner Class, Interface • Advanced topics we will touch: – Java IO – Java Thread – Java Socket
  3. 3. Android Basics Credit goes to Google!
  4. 4. Course Objectives • • • • • • Mobile Application Development (MAD) Intro to Android platform Platform architecture Application building blocks Development tools Textbook: Hello, Android
  5. 5. Few reasons to go MAD… • Smart Phones – Internet access anywhere – Social networking • Millions of mobile users • Open standards
  6. 6. Introduction to Android • Open software platform for mobile development • A complete stack – OS, Middleware, Applications • An Open Handset Alliance (OHA) project • Powered by Linux operating system • Fast application development in Java • Open source under the Apache 2 license
  7. 7. Linux Kernel • • • • • Works as a HAL Device drivers Memory management Process management Networking
  8. 8. Libraries • • • • • C/C++ libraries Interface through Java Surface manager – Handling UI Windows 2D and 3D graphics Media codecs, SQLite, Browser engine
  9. 9. Android Runtime • Dalvik VM – Dex files – Compact and efficient than class files – Limited memory and battery power • Core Libraries – Java 5 Std edition – Collections, I/O etc…
  10. 10. Application Framework • API interface • Activity manager – manages application life cycle.
  11. 11. Applications • Built in and user apps • Can replace built in apps
  12. 12. Course Objectives • • • • • • Mobile Application Development (MAD) Intro to Android platform Platform architecture Application building blocks Development tools Textbook: Hello, Android
  13. 13. Application Building Blocks • • • • Activity IntentReceiver Service ContentProvider
  14. 14. Activities • Typically correspond to one UI screen • But, they can: – Be faceless – Be in a floating window – Return a value
  15. 15. IntentReceivers • Components that respond to broadcast ‘Intents’ • Way to respond to external notification or alarms • Apps can invent and broadcast their own Intent
  16. 16. Intents • Think of Intents as a verb and object; a description of what you want done – E.g. VIEW, CALL, PLAY etc.. • System matches Intent with Activity that can best provide the service • Activities and IntentReceivers describe what Intents they can service
  17. 17. Intents Home System picks best component for that action Contacts Photo Gallery “Pick photo” GMail Chat Blogger Blogger Client component makes a request for a specific action New components can use existing functionality
  18. 18. Services • Faceless components that run in the background – E.g. music player, network download etc…
  19. 19. ContentProviders • Enables sharing of data across applications – E.g. address book, photo gallery • Provides uniform APIs for: – querying – delete, update and insert. • Content is represented by URI and MIME type
  20. 20. Course Objectives • • • • • • Mobile Application Development (MAD) Intro to Android platform Platform architecture Application building blocks Development tools Textbook: Hello, Android
  21. 21. Development Tools • Eclipse • Android SDK 2.0 or higher developer.android.com
  22. 22. The Emulator • QEMU-based ARM emulator • Runs the same image as the device • Limitations: – No Camera support
  23. 23. Devices
  24. 24. Hello World • A great starting point: http://developer.android.com/guide/tutorial s/hello-world.html • Generating UIs – Views – building blocks – E.g. TextView, EditText, Button – Placed into Layouts – E.g. LinearLayout, TableLayout, AbsoluteLayout
  25. 25. Application Lifecycle • Application run in their own processes (VM, PID) • Processes are started and stopped as needed to run an application's components • Processes may be killed to reclaim resources
  26. 26. Lifecycle • System Process • Home • Mail Home • Map Contacts GMail • Browser
  27. 27. Location Manager
  28. 28. XMPP Services • Allows any app to send device-to-device messages to other android users • Data Messages are Intents with name/value pairs • Works with any gmail account… • Can also build servers to deliver server-todevice messages
  29. 29. Notification Manager
  30. 30. Notification Manager • How background app interact with users • Consistent notification presentation
  31. 31. Views
  32. 32. Views
  33. 33. Location Manager
  34. 34. End of Lecture • First task, install the SDK and Eclipse for instructions detailed in Assignment #1 • Will be performed in class as well.

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