Great sample app I will try this too...thank you to let me know by this app.
Great lib! The performance on Nexus 4 is fantastic. I gave to test it on lower-end devices :)
* Adds support for changing content (through the "invalidate" method).
* Handles non-scrollable content in a more efficient manner.
* Fixes bug which prevented transparent content from being blurred properly.
* Many performance optimizations.
* Adds possibility of changing the gaussian blur params ("radius" and "downsampling").
* Adds support for maven and gradle builds.
"Lonely Tree (Demo)" is an Android live wallpaper with high-resolution textures