And10.3.21
- 2. Objectives • Mobile Application Development (MAD) • Intro to Android platform • Platform architecture • Application building blocks • Development tools • Textbook: Hello, Android 9/3/20XX 2
- 3. Java Basic Java programming • Exceptions • Inner Class, Interface Advanced topics we will touch: • Java IO • Java Thread • Java Socket 9/3/20XX Presentation Title 3
- 4. Few reasons to go MAD… 9/3/20XX Presentation Title 4 • Smart Phones • Internet access anywhere • Social networking • Millions of mobile users • Open standards
- 5. Introduction to Android 9/3/20XX Presentation Title 5 • 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. Linux Kernel 9/3/20XX Presentation Title 7 • Works as a HAL • Device drivers • Memory management • Process management • Networking
- 8. Libraries 9/3/20XX Presentation Title 8 • C/C++ libraries • Interface through Java • Surface manager – Handling UI Windows • 2D and 3D graphics • Media codecs, SQLite, Browser engine
- 9. Android Runtime 9/3/20XX Presentation Title 9 • 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. Application Framework 9/3/20XX Presentation Title 10 • API interface • Activity manager – manages application life cycle.
- 11. Applications 9/3/20XX Presentation Title 11 • Built in and user apps • Can replace built in apps
- 12. Activities 9/3/20XX Presentation Title 12 • Typically correspond to one UI screen • But, they can: • Be faceless • Be in a floating window • Return a value
- 13. Intent Receivers 9/3/20XX Presentation Title 13 • Components that respond to broadcast ‘Intents’ • Way to respond to external notification or alarms • Apps can invent and broadcast their own Intent
- 14. Intents Presentation Title 14 GMail Contacts Home Blogger Client component makes a request for a specific action System picks best component for that action New components can use existing functionality Blogger Photo Gallery
- 15. Intents 9/3/20XX Presentation Title 15 • 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
- 16. Services 9/3/20XX Presentation Title 16 • Faceless components that run in the background • E.g. music player, network download etc…
- 17. Content Providers 9/3/20XX Presentation Title 17 • 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
- 18. Summary We had a little discussion on the lifecycle of Android and an android app. We will discuss all the rest development tool and its configuration from the next session. 9/3/20XX Presentation Title 18
- 19. Thank you 9/3/20XX Presentation Title 19 Abhishek Mondal abhishek.mondal@texamine.com