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When I remove my Motorola Droid from my docking station, my home screen is blank for a long time. It sometimes takes over 10 seconds for my app icons to display, and even longer for widgets to display. Is there any way to eliminate this pause? Am I doing something wrong?

NOTE: I am using the LauncherPro app as a launcher/home screen app, but I get the same behavior with the default Android launcher app.

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I get the same thing with my Droid X. Even after the home screen comes up and I can use other apps, it takes a few minutes (sometimes up to ten) for the system clock to update. –  81bronco Sep 14 '10 at 4:58
    
I also see this behavior. It sometimes happens on screen unlock as well. –  TomG Sep 14 '10 at 13:14
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As far as I've read, the reason this happens is because of the Android memory management, which I read was made "worse" because of a better internal task killer in 2.2 Froyo. The app is being marked as not needed in memory anymore and is being killed.

There are a couple things you could do to mitigate the frequency of this happening. There's an app on the market called MinFreeManager which modifies some system config files to change how the memory manager divides up memory to active apps. Get the app and load the preset Aggressive. Hit both Apply and Apply at boot. Also, you need to be ROOTED to do this.

Another thing I've seen suggested is in the LauncherPro settings, go to General Settings and check the box for Keep in memory.

Since doing both of these things, I have seen a reduction in homescreen redraws.

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