The document summarizes topics that will be covered in an Android workshop, including finishing a Flickr photoset app, understanding intents, structuring app design and adding location services. It provides code snippets and recommendations for networking libraries, application layer structure, permission requirements and example simple app ideas.

1. ANTONIS KALIPETIS - MOBILE LEAD, SOURCELAIR
AKALIPETIS@SOURCELAIR.COM, @AKALIPETIS
ANDROID WORKSHOP 4

2. L A S T, B U T N O T L E A S T…
• Finishing the Flickr Photoset App
• Understanding Intents
• Structuring and designing applications
• Location services

3. HTTP://J.MP/the_4
LET’S GET OUR
HANDS DIRTY
Photo by Rachel-Johnson, Flickr

4. DO YOU REMEMBER EVERYTHING, OR DO YOU HAVE
ANY QUESTIONS?

5. U N D E R S TA N D I N G I N T E N T S
• An intent is an abstract description of an operation to
be performed.
• It can be used to:
• Launch an Activity
• Send it to any interested BroadcastReceiver
• Communicate with a background Service

6. SYSTEM MESSAGES
STRUCTURE
- ACTION
- D ATA
- EXTRAS
http://dangerouslee.biz/2011/08/26/

7. M E S S A G E PA S S I N G I N T H E
WORLD OF AN APP

8. SYNCING WITH NETWORK?
• Many awesome libraries, fast networking
• Volley
• OkHTTP
• SyncAdapters, background continuous syncs
• Training at: developer.android.com

9. A P P L I C AT I O N L AY E R S
• Visible Layer
• Activities, Views, Fragments
• Processing - Background Layer
• Services, SyncAdapters, Threads
• Data Layer
• Models, Adapters

10. STRUCTURING
YOUR CODE
• Split code in Java
packages
• com.example.m_app.
• models
• io
• activity
• ui

11. I KNOW WHERE YOU ARE, I KNOW YOUR
L O C AT I O N
http://www.clker.com/clipart-orange-pin-1.html

12. LET’S ADD SOME DEPENDENCIES!
dependencies {
compile 'com.google.android.gms:play-services:
4.0.30'
}

13. W E ’ L L A L W AY S N E E D P E R M I S S I O N S
•
<uses-permission
android:name="android.permission.ACCESS_COARSE_LOCATION"/>
•
<uses-permission
android:name="android.permission.ACCESS_FINE_LOCATION"

14. IDEAS FOR
SIMPLE APPS
• RSS Reader
• Location updates - route
• File explorer
• Simple Flickr or other API
service
• Sky is the limit…