This document summarizes the AnDevCon 2013 conference. It highlights sessions on Android 4.4 KitKat features, responsive design with Google Play, and handling images in Android applications. It also describes two winning hackathon projects that generated memes from images and text.

1. AnDevCon 2013 Roundup
Chuck Greb & Matt Rein
AWeber Communications
11/20/2013

2. Summary
● Session Highlights
● Key Takeaways
● Android Hackathon

3. Session Highlights

4. Keynote: Reto Meier
Google
Android Developer Relations Tech Lead
Staying Ahead of the Pack :
Creating Magic and Introducing Android
4.4 (KitKat)

5. Keynote: Reto Meier
First to market
3 Keys to success:
1. Design
2. Efficiency
3. Innovation
Toothbrush test

6. Keynote: Reto Meier
KitKat Features
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FullScreen Immersive Mode
Scenes and Transitions Framework
Chromium Webview
Closed Captions
Memory usage tools
ActivityManager.isLowRamDevice()
Bluetooth 4.0
Printing
Screen Recording
RTL

7. Keynote: Reto Meier
Full Screen Immersive Mode

8. The Golden Age of Android
Jeff Seibert
Director of Engineering @ Twitter
Co-founder and CEO of Crashlytics

9. Keynote: Jeff Seibert
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Agile Mobile
Dark Features
Automation
Dog Fooding

10. Android and Images
Handling the Complexities of Images in Android
James Halpern
Engineer @ Pivotal Labs

11. Android and Images
Common Problems
● Out of memory errors
● Images too big
● Adapters

12. Android and Images
Solutions
Scaling, Caching, Right # of Threads, Reference Management
Library Overview https://github.com/xtremelabs/xl-image_utils_libandroid
Debugging Tips
MAT, DDMS, Exerciser Monkey

13. Going Responsive with Google Play
Marco Paglia
Lead Designer, Google Play
Kirill Grouchnikov
User Interface Engineer, Google Play

14. Going Responsive with Google Play
Source: Going Responsive with Google Play, AnDevCon 2013, Paglia, Marco and Grouchnikov, Kirill

15. Source: Going Responsive with Google Play, AnDevCon 2013, Paglia, Marco and Grouchnikov, Kirill

16. Source: Going Responsive with Google Play, AnDevCon 2013, Paglia, Marco and Grouchnikov, Kirill

17. Going Responsive with Google Play
CardMetadata CARD_LARGE = new CardMetadata(
R.layout.play_card_large, 2, 3);
CardMetadata CARD_MEDIUM = new CardMetadata(
R.layout.play_card_medium, 2, 1);
Source: Going Responsive with Google Play, AnDevCon 2013, Paglia, Marco and Grouchnikov, Kirill

18. Going Responsive with Google Play
repository.addCluster(SIGNAL_STRENGTH_XXL,
new ClusterMetadata(6, 3).
addTile(CARD_LARGE, 0, 0).
addTile(CARD_LARGE, 2, 0).
addTile(CARD_MEDIUM, 4, 0).
addTile(CARD_MEDIUM, 4, 1).
addTile(CARD_MEDIUM, 4, 2);
Source: Going Responsive with Google Play, AnDevCon 2013, Paglia, Marco and Grouchnikov, Kirill

19. Going Responsive with Google Play
CardCluster createCluster(ClusterMetadata clusterMetadata) {
CardCluster cardCluster = layoutInflater.inflate(R.layout.card_cluster,
null);
for (int tileIndex = 0; tileIndex < clusterMetadata.tileCount; tileIndex++) {
TileMetadata tileMetadata = clusterMetadata.tileMetadata[tileIndex];
CardMetadata cardMetadata = tileMetadata.cardMetadata;
layoutInflater.inflate(cardMetadata.layoutId, cardCluster);
}
return cardCluster;
}
Source: Going Responsive with Google Play, AnDevCon 2013, Paglia, Marco and Grouchnikov, Kirill

20. AnDevCon 2013 : Slides
http://andevcon.com/slides

21. Key Takeaways

22. Key Takeaway: Design is key
Follow the Design Guidelines, deviate with purpose
Target various screen sizes - “Responsive” design
Be your designer’s friend

23. Key Takeaway: Tools are your friend
GenyMotion - http://www.genymotion.com/
MAT, Hierarchy Viewer, Traceview, Android Studio, Gradle

24. Key Takeaway: Innovate
● “Skate to where the puck is going”
● Take the extra time to get it right
● Don’t shy away from non-trivial tasks

25. Android Hackathon
Meme Generator

26. Requirements
1. Build a meme generator
2. Make it awesome

29. memeMeME
● Drag & Drop text placement
● Bitmap generation
● Future:
○ Meme API integration for photos
○ Sharing
○ Game aspect

31. FlipMeme
● Front and back images with text
● Card flip animation

38. Android Hackathon
Winners
1. MemeNow
Speak your meme, finds correct photo, creates your meme image, sharing.
Perfect for a Glass integration...
2. MemeChallenge
Battle your friends for the best meme text on a photo.
3. InstaMeme ?
Use photos from Google Image Search for your meme. Infinite scroll gridview.