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live wallpaper Evo 4G

I haven't noticed this. When the wallpaper isn't being used, it sits idle and uses no cpu. (At least the ones I use don't.) I've used System Panel to watch cpu usage, and they don't seem to do anything when not visible. I can switch from app to app to app, and as long as I don't return to the home screen and display the wallpaper the cpu usage remains unchanged.

I suppose there might be a slight lag when you switch away from the wallpaper, if it needs to save it's state for some reason, and there's certainly a slight lag when returning to the home screen before the wallpaper starts up. (That in and of itself seems to indicate the wallpaper is inactive when not visible.
 
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I haven't noticed this. When the wallpaper isn't being used, it sits idle and uses no cpu. (At least the ones I use don't.) I've used System Panel to watch cpu usage, and they don't seem to do anything when not visible. I can switch from app to app to app, and as long as I don't return to the home screen and display the wallpaper the cpu usage remains unchanged.

I suppose there might be a slight lag when you switch away from the wallpaper, if it needs to save it's state for some reason, and there's certainly a slight lag when returning to the home screen before the wallpaper starts up. (That in and of itself seems to indicate the wallpaper is inactive when not visible.

Rubbish. It's the same for everyone.
 
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