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Horrible things can result from calling requestLayout() during a layout pass. DON'T DO THIS . The demo that I wrote to show why this is bad seems very contrived, but I have since run across application code that did nearly the exact same thing, explicitly calling requestLayout() during …
Most people that know me know that I can't say enough about process. In this presentation at Devoxx 2012, I tried to change that. If the embed below isn't working for you, you can watch the talk on the parleys.com site .
How animating ListView views can lead to artifacts if those views are recycled before you animate them. YouTube: https://www.youtube.com/watch?v=NewCSg2JKLk Code: http://developer.android.com/shareables/devbytes/ListViewDeletion.zip
How animating ListView items can lead to problems as views are recycled, and how to perform these types of animations correctly with new API added in Jellybean. Code: http://developer.android.com/shareables/devbytes/ListViewAnimations.zip YouTube: https://www.youtube.com/watch?v=8MIfSxgsHIs
I read an interesting article on The Verge today ( Photoshop is a city for everyone ), which detailed a short history of Photoshop, to explain why it is the way it is, and how it will continue to be that way. I enjoyed the article, but one quote in there bugged me: "Many of the Adobe employees I …
How to use AnimationDrawable to construct a keyframe animation where each frame is shown for a specified duration. YouTube: http://www.youtube.com/watch?v=V3ksidLf7vA Code: http://developer.android.com/shareables/devbytes/KeyframeAnimation.zip
My hard drive crashed last week, taking all of my data and digital life with it. I've written and rhymed about this already, but I thought I'd jot down some notes about how it happened and how I got my life back in case it helps anyone else in the same boat. Background: I have an iMac at home, …
Simple uses of ValueAnimator, ObjectAnimator, and interpolators to control how a shape is moved around on the screen. Code: http://developer.android.com/shareables/devbytes/Bouncer.zip Video: https://www.youtube.com/watch?v=vCTcmPIKgpM
"What is it you wanna hear?" - Lynyrd Skynyrd In case you don't follow me on Google+ , or you missed my recent G+ post about DevBytes requests , I'll reproduce it here. Comments are welcome either on the original G+ post or here; I'll see them in both places. Writing your suggestion on a nearby …
This example shows how to speed up bitmap loading and reduce garbage collection by reusing existing bitmaps. Note that the reused bitmap must be mutable and of the same size and configuration as the bitmap you load into it. Not sure if this is clear from the video, although it is documented in …
