I Can Animate and So Can You (Short)

A shorter version of a talk I gave about Android animations.

Keynote version: http://goo.gl/FUm0Gc

Transcript

1. I Can Animate and So
   Can You
   Daniel Lew, Jan. 7 2014
   

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2. Typical Animation
   Demo
   

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3. What Can Be Done
   

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4. Revelations
   

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5. Revelation #1
   Every animation is unique
   

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6. Revelation #2
   Animation code is not pretty
   

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7. Revelation #3
   Animations first
   Animate
   

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8. Revelation #4
   Animate for Ice Cream Sandwich+
   

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9. Building Animations
   • Figure out what
   attributes to animate
   
   • Design View hierarchy
   
   • Measure attribute start/
   end values
   
   • Setup and run animators
   

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10. Performance
    • Choppy animation == painful
    
    • Performance cannot be an afterthought
    

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11. Profile GPU Rendering
    • Blue - Draw
    
    • Red - Process
    
    • Orange - Execute
    
    • Green line - your goal
    

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12. Show GPU Overdraw
    • Shows overdrawn pixels
    
    • Best to worst: nothing,
    blue, green, red, dark red
    
    • Some overdraw
    necessary, but reduce if
    possible
    

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13. Profilers
    • TraceView
    
    • Systrace
    
    • OpenGL Traces
    

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14. Profile Warning
    • Can be inaccurate
    
    • One profiling tool at a time, please
    
    • Profile multiple devices
    

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15. Resources
    • Longer Talk: http://goo.gl/ICTCAC
    
    • Android Docs: goo.gl/4aZIzM
    
    • DevBytes: goo.gl/QeTM9B
    
    • Chet Haase: graphics-geek.blogspot.com/
    
    • Romain Guy: curious-creature.org
    
    • Google IO Sessions
    

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16. Thank You!
    • Movies App Source: http://goo.gl/WiRTlQ
    
    • Blog: http://daniel-codes.blogspot.com/
    
    • @danlew42, +DanielLew
    

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