Android 2.2 why not move focus on homebutton when we use mouse Roll down or down focus

Question

hi,all

I have a Problem in android2.2 Launcher2.apk and I find it also on emulator .

I cant not move focus on shortcut homebutton (like a house At all app bottom), when you use mouse roll down.

but I do like this

1. adb pull Launcher2.apk from /system/app
2. delete Launcher2.apk
3. adb push Launcher2.apk in /system/app

so , it will work OK, you can use mouse roll down and move focus on this homebutton.

why ? please, who can help me and tell me why ?

Answer 1

who can tell me why

Answer 2

now, I now this problem with Protips widget.