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CosmoPilot

macrumors 68000
Original poster
Nov 8, 2010
1,537
372
South Carolina
New iP5S. With reduce motion set to off (default), my home screen wallpaper shifts/jumps from time to time. It doesn't do it all the time, but about 50% of the time. It does this when switching to or from home screens to multitasking.

Is anyone else experiencing this? It's almost as if the wallpaper is trying to resize itself from time to time.

If I turn reduce motion ON, it fixes this issue.

The shift/jump occurs with any wallpaper selected. I'm hopeful it's a slight bug and will be fixed in a software update.
 
It's the parallax effect, it's supposed to look cool.
ku-xlarge.gif
 
He's not referring to just parrallax.. I've seen it too.

It's like the wallpaper thinks its at the wrong 'end' of the movement area, and when you go back to the home screen it instantly jumps across. It only takes a split second and then the normal movement comes back.

it's jarring though when it happens.
 
He's not referring to just parrallax.. I've seen it too.

It's like the wallpaper thinks its at the wrong 'end' of the movement area, and when you go back to the home screen it instantly jumps across. It only takes a split second and then the normal movement comes back.

it's jarring though when it happens.

That's the parallax effect correcting it's alignment.
 
Fairly certain this is an iOS7 bug. Just read another post about parallax. Half the people in that thread mention the same issue.

This is not a normal part of the parallax experience. Again, this only happens about 50% of the time when switching between the home screen and the multi-tasking view (and vise versa).
 
It's as if everything on the home screen has a preset code telling each item it has to be X pixels away from something else. The icons will constantly jump up or to the side pixel by pixel until it finds it's correct place some time later. I've noticed that if I have a notification for mail (my top left icon) the icons will be lower than other times as to not run into the status bar. That was all jabber and might not make sense but it's all very weird.
 
It's the parallax effect in combination with the animations when switching between apps, the app switcher, etc. When the screen is in an animation like when you start an app, go to the app switcher, etc., the parallax effect is frozen where it is when that animation begins. When the animation ends, your phone is tilted a bit differently, so once the 'frozen' background image of the animation goes back to the active background, the active one is in a different position than it was when the animation started and the background was frozen. Try it with your phone on a flat surface instead of in your hand and you'll see it doesn't do the "jump" in the background you're referring to. IMO, I wish they'd get rid of those transition animations all together, as they're annoying to wait on and they disable any touch interaction until they finish.
 
Being newly acquainted to iOS7 at the same time I got my 5s, I just assumed this was a weakness of the Parallax functionality. Good to know it doesn't have to look like that and it might even get fixed. Coming from an iPhone 4, this is still an amazing jump in performance!
 
So at one time during the beta process it didn't do this. Wonder if anyone stopped to think that maybe they found leaving the motion enabled during the animations degraded performance and they changed it to function the way we've noticed it now?
 
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