EESTEC Android Workshops - Recap
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The document provides an overview of key Android concepts including classes, objects, methods, attributes, the Java virtual machine, the Android software stack, activities and their lifecycles, model-view-controller architecture, adapters, making server calls, asynchronous tasks, JavaScript Object Notation, and developing Android applications. It recaps a workshop on basic Android concepts and developing apps.
EESTEC Android Workshops - Recap
- 1. EESTEC Android Workshops Recap
- 2. Android, it’s APP to you!
- 3. Basic Concepts Class - Blueprint, used to create instances of itself Object / Instance - Instances are class occurrences Method - Function / Procedure of an object or class Attribute - Fields with values (objects) in a object
- 4. Great Things about Java Has a garbage collector, simply do not care about memory leakage! Your program fails, except exceptions! Is platform-independent, runs in it’s own VM, the JVM
- 5. Say hello, to my Green friend
- 6. The mystery, explained... Complete software stack Operating System Middleware Key Applications Open Source Developed by the Open Handset Alliance Fastest growing market Platform with the most devices activations
- 7. Setup a new project
- 8. Activity, get a life! The lifecycle of an Activity is really important. Listen to Lifecycle events, in order to save and reproduce the state of the app
- 9. MVC Model Describes the data used by our application View Whatever the user sees, our XML files Controller Handles what is shown and user interactions, can be an Activity
- 10. The Photoset Model Title - The title of the photoset Description - The description of the photoset ID - The unique identifier of this photoset
- 11. Adapters Match data with views Used by list views to populate their rows
- 12. Making Calls to a Server Create a client Create a request Add parameters Execute
- 13. A task is a must!
- 14. Javascript Object Notation Has small footprint Can be processed fast Is object friendly
- 15. eestec_android.akalipetis.com Our code for today
- 16. One Last Thing We want to create applications And we’re going to help you with that!
- 17. Thank You!