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Sloppy Animations still persist in iOS 4.2

A

Amino Man

macrumors 6502
Original poster
Aug 25, 2010
301
3
I just wanted to update my post here.

I've been experiencing choppy animations ever since 4.1 and I've narrowed it down to something to do with landscape mode.

Open Safari
Load a webpage
Turn device landscape (with no orientation lock)
Close Safari
Re-open Safari (this is when I see the choppy launch animation).

The first half of the animation is completely gone and only shows the last little bit.

I can also do this with Notes, Mail, Contacts and a number of 3rd party apps also do this.

Here's what the animation looks like normally:
http://www.youtube.com/watch?v=CyHmDS7kyQE

Here's what the animation looks like when it skips:
http://www.youtube.com/watch?v=yFlAosKb4Zo

I submitted the bug back when 4.1 came back out and they (Apple) still haven't fixed it.

This sucks basically. The iPhone 4 was so smooth before 4.1 came out.

Below is what my CPU usage looks on a regular basis. I have no idea what the iPhone is doing.
 

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It didn't slow mine down it just makes the animation super fawking jerky. Pressing on emails to read them and opening folders. Plus the camera app.
 
pablo7 said:
It didn't slow mine down it just makes the animation super fawking jerky. Pressing on emails to read them and opening folders. Plus the camera app.
Click to expand...

Thank you.

Just because people can't perceive a problem doesn't mean it doesn't exist.
 
Thanks for the notice on the free Activity Monitor app.

Never knew how much ram certain apps took up.
 
Nice little free app. I just wish i could find something like MemTool that showed each individual process memory/cpu usage but more updated.
 
Applejuiced said:
I wonder if it has anything to do with the HDR pics feature?
Click to expand...

I'm sure there's just a bug in the updated Camera.app that Apple missed before release.

Since the HDR feature wasn't in any of the developer builds, the general public is kind of beta testing the HDR function.

I have faith that Apple will address this issue. They usually like to optimize their own Apple to use as little resources as possible.

I wonder if this is the same reason that the iPhone 3GS users haven't been complaining. They didn't get the HDR feature, so their camera app was likely unchanged in 4.1. Right?
 
Amino Man said:
I'm sure there's just a bug in the updated Camera.app that Apple missed before release.

Since the HDR feature wasn't in any of the developer builds, the general public is kind of beta testing the HDR function.

I have faith that Apple will address this issue. They usually like to optimize their own Apple to use as little resources as possible.

I wonder if this is the same reason that the iPhone 3GS users haven't been complaining. They didn't get the HDR feature, so their camera app was likely unchanged in 4.1. Right?
Click to expand...

Actually, it was recently discovered that HDR is in fact in the camera app for the iPhone 3GS. The plist file was set to false, so it wouldn't appear in the actual build, but with a jailbreak, you can enable HDR.

And even on the iPod touch, with the camera app open, the device seems significantly slower. I truly believe there is something wrong with the camera app.
 
Explains a lot. First it was the Skype app now these two. Apple needs a 4.1.1/4.2.1 update dedicated purely to bug fixes/performance enhancement. Does that app tell what clock speed the A4 is clocked at?
 
yeah got my i4 the day 4.1 came out so i don't really know the difference between the firmwares but i noticed my i4 gets kinda sluggish after a while and the battery drains quite bad... also my phone has the reception problem too :(
 
daneoni said:
Explains a lot. First it was the Skype app now these two. Apple needs a 4.1.1/4.2.1 update dedicated purely to bug fixes/performance enhancement. Does that app tell what clock speed the A4 is clocked at?
Click to expand...

The A4 is underclocked at 800MHz if I'm not wrong.

-Lawrence
 
Is anyone still on a non JB 4.0.x release? If so, could you post your CPU usage after a fresh boot?
 
Thanks for the tip on the app. And the iPhone needs 1gb of RAM. Saved state causes Safari to constantly refresh because I only had 8mb of free RAM with my ususal set of apps leftt open. And why cant apps that analyze or display system info give the processor speed?
 
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7)

I would say, on my iPhone 4 at least, I haven't noticed that it is that much slower than with the original version that it came with.
 
trigonometry said:
Thanks for the tip on the app. And the iPhone needs 1gb of RAM. Saved state causes Safari to constantly refresh because I only had 8mb of free RAM with my ususal set of apps leftt open.
Click to expand...

No it needs better software development. Having 2GB of RAM won't matter if the apps are badly coded and consequently highly inefficient.

trigonometry said:
...And why cant apps that analyze or display system info give the processor speed?
Click to expand...

Apple must be blocking the CPU ID info.
 
I made some new discoveries about this odd behavior. Read below:

First of all, let me just say that all of my apps are closed and are not in the multitasking bar.

1. I start up camera.app (nice and smooth animation) and do nothing.
2. I close camera.app (just going back to the homescreen). This is also very smooth.
3. I open photos.app (nice and smooth animation)
4. Then I go back to the home screen and open photos again. This time it's not smooth. It's jumping to the foreground and the flying icon animation is missing.
5. Each time I open photos.app after it starts doing this, is the same as #4.

Here's another odd discovery:

Again... I've quit all apps. Nothing is in the multitasking bar.

1. Start up camera.app (nice and smooth animation).
2. Do not take a photo and tap the photo browser button in the lower left corner.
3. When the photo browser pops up, hit the home button and return to the home screen.
4. Open photos.app. (nice and smooth animation).
5. Go back to homescreen and open Photos again. (Smooth animation again!)
6. Photos.app will continue to open smoothly every time now.
7. Open camera.app again (not smooth. It features the same animation skip as #4 in the first test above.)

Once either Camera.app and Photos.app starts stuttering like that, I can make it stop by completely quitting photos.app AND camera.app (I have to quit both).

I think there may be something wrong with the HDR feature built into camera on iOS 4.1. I'm really hoping Apple can bring back the smoothness of 4.0.2 in a future update.

Thank you for your time.
 
daneoni said:
Explains a lot. First it was the Skype app now these two. Apple needs a 4.1.1/4.2.1 update dedicated purely to bug fixes/performance enhancement. Does that app tell what clock speed the A4 is clocked at?
Click to expand...

Talking about the skype app not sure if thats what you meant but it keeps running in the back even when I dont even open it at all.
After a reboot it just loads up on its on as soon as the phone starts up.
Weird, I remove it from backgrounding and it enables itself again.
WTF?:confused:
 
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