After some researches I found this Stackoverflow post explaining how to blur a Bitmap object. This script is really great to blur images but has one default : the processing time.
To blur a 720×1600 image, it takes around3 seconds (Thanks to Romain Guy advice, it only takes 200ms now, 85ms on JellyBean
4.2 with RenderScript). So the real time processing was impossible to
implement. That was the moment to thinks about how to trick!
If you want to see the result in action, just install this app on the Google Play Store:
https://github.com/PomepuyN/BlurEffectForAndroidDesign
To blur a 720×1600 image, it takes around
https://github.com/PomepuyN/BlurEffectForAndroidDesign
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