Open Source Android Libraries

1. Open Source
Android Libraries
Murat AYDIN – STM

2. Who is Murat?
2
 Android Developer and blogger in
his free time
 Team Leader and Senior Software
Engineer
 GDG Ankara Co-Organizer
 Author

3. GDG Ankara
3
 Produce
 Organize
 Hackathons
 Workshops
 Android Developer Days
 www.gdgankara.org

4. 4
 Wise man is the one who uses
his mind, wiser man is the one
who uses others’ minds, too
(Bernard SHAW)
 Wise developer is the one who
uses his code, wiser developer
is the one who uses others
code, too (Murat AYDIN)

5. Open Source Android Libs
5

6. Android Annotations
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 Fast Android Development.
 Easy maintainance.
 Clean Code
androidannotations.org

7. Android Annotations – Samples
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 Dependency Injection and Event
Binding

8. Android Annotations – Samples
8
 Simplified Threading Model

9. Android Annotations – How?
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 Java Annotation Processing Tool
 Adds an extra compilation step that
generates source code

10. Android Query
10
 Light-weight library for doing
asynchronous tasks and
manipulating UI elements in Android
 Make Android coding
simpler, easier, and more fun!
 https://code.google.com/p/androi
d-query

11. Android Query-Less Code
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12. Android Query-Less Code
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13. Android Query-AJAX Callback
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14. Android Query-Image Loading
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 Chaining
 Binding
 Multiple Ui One Piece of Code
 And many more…

15. Active Android-ORM
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 Save and retrieve SQLite database records
without ever writing a single SQL statement
 Accessing the database is easy with Active
Android
 https://github.com/pardom/ActiveAndroid

16. Active Android
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17. Active Android
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Save or Update
Delete
Query

18. Mapsforge
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 free mapping and navigation tools
 OpenStreetMap based
 Easy to use MapView, similar to of the Google APIs Add-On
 Customizable map styles via XML configuration files
 Powerful and flexible overlay API
 https://code.google.com/p/mapsforge/

19. Mapsforge
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 Usage is similar to Google Maps API

20. ACRA
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 Library enabling Android Application to automatically post
their crash reports
 developer configurable user interaction: silent reports, Toast
notification, status bar notification + dialog or direct dialog
 you can add your own variables content or debug traces to
the reports
 you can send error reports even if the application doesn't
crash
 works for any application even if not delivered through
Google's Android Market
 if there is no network coverage, reports are kept and sent on
a later application restart
 http://acra.ch/

21. ACRA
21

22. ACRA
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 locale=es_ES
hardKeyboardHidden=HARDKEYBOARDHIDDEN_YES
keyboard=KEYBOARD_NOKEYS
keyboardHidden=KEYBOARDHIDDEN_NO
fontScale=1.0
mcc=214
mnc=7
navigation=NAVIGATION_TRACKBALL
navigationHidden=NAVIGATIONHIDDEN_NO
orientation=ORIENTATION_PORTRAIT
screenLayout=SCREENLAYOUT_SIZE_NORMAL+SCREENLAYOUT_LONG_YES
seq=5
touchscreen=TOUCHSCREEN_FINGER
uiMode=UI_MODE_TYPE_NORMAL+UI_MODE_NIGHT_NO
userSetLocale=false
width=480
height=800
pixelFormat=1
refreshRate=60.0fps
metrics.density=x1.5
metrics.scaledDensity=x1.5
metrics.widthPixels=480
metrics.heightPixels=800
metrics.xdpi=254.0
metrics.ydpi=254.0

23. ACRA-Backend
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 PHP
 Ruby
 Google app engine
 Python
 Node.js

24. Android Asynchronous Http Client
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 An asynchronous callback-based Http client for
Android built on top of
Apache’s HttpClient libraries
 Make asynchronous HTTP requests, handle
responses in anonymous callbacks
 HTTP requests happen outside the UI thread

25. Android Asynchronous Http Client
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 Automatic gzip response decoding support for
super-fast requests
 Binary file (images etc) downloading
with BinaryHttpResponseHandler
 Built-in response parsing
into JSON with JsonHttpResponseHandler
 http://loopj.com/android-async-http/

26. Picasso
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 A powerful image
downloading and caching library for Android
 Handling ImageView recycling and download
cancelation in an adapter.
 Complex image transformations with minimal
memory use.
 Automatic memory and disk caching.
 http://square.github.io/picasso/

27. Picasso
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28. android-quick-response-code
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 Encode and Decode
 Removed most of the functionality from Zxing that
you don't need
 https://code.google.com/p/android-quick-
response-code/

29. android-quick-response-code
29

30. achartengine
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 Charting library for Android applications
 line chart,area chart,scatter chart,time chart,bar
chart,pie chart,bubble chart,doughnut chart,range
(high-low) bar chart etc…
 https://code.google.com/p/achartengine/

31. And many more…
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 ActionBarSherlock
 OpenCV
 Android Smart Image View
 Crouton
 Robolectric test
 Otto
 https://play.google.com/store/apps/details?id=co
m.desarrollodroide.repos
 …..

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Twitter: @maydintr
Email: maydin@gmail.com
Web: www.ottodroid.net