Re: Delays in awaking iOS app
Re: Delays in awaking iOS app
- Subject: Re: Delays in awaking iOS app
- From: "Gerriet M. Denkmann" <email@hidden>
- Date: Thu, 30 Jan 2014 07:21:48 +0700
On 30 Jan 2014, at 07:01, Rick Mann <email@hidden> wrote:
> All I can say is to write a bug. I did, regarding the Hangouts keyboard delay.
I planned to do so (but was waiting for 7.1 to appear). But I might as well do it now. Done: 15941951.
>
> On Jan 29, 2014, at 16:00 , Gerriet M. Denkmann <email@hidden> wrote:
>
>>
>> On 30 Jan 2014, at 04:05, Rick Mann <email@hidden> wrote:
>>
>>> I've seen behaviors like this with other apps, i.e. the Google Hangouts app. The keyboard will be active from a chat, and I'll leave the app. Then I'll get a notification that a message came in, go to the app, and there's some period of time before the keyboard becomes responsive.
>>>
>>> I think I only see this in iOS 7. On 6.1, it's much faster, but I'd be curious if you see the same difference in your tests.
>>
>> I do not have any device with iOS 6. But I am absolutely certain that had I seen this delay in iOS 6, I would have investigated it (as it is so annoying); which means that there was no noticeable delay before iOS 7.
>>
>>>
>>> On Jan 29, 2014, at 07:02 , Gerriet M. Denkmann <email@hidden> wrote:
>>>
>>>>
>>>> I have an app with a button.
>>>> I start the app, then put the iPhone to sleep.
>>>> I wake the phone up and press the button repeatedly, until something happens.
>>>>
>>>> There is an NSLog() in applicationWillEnterForeground: and in the action method of the button.
>>>> The time difference between these two is 1.1 ... 1.4 seconds.
>>>>
>>>> Did the same with Time Profiler in Instruments: 1.357 seconds elapsed time, Running Time 0.044 sec.
>>>> That is: my app was doing nothing for about 1.3 seconds.
>>>>
>>>> This is really annoying: one wakes up the phone, the app looks responsive, so one taps the button - and nothing happens.
>>>> One has to wait a second, tap the button again - and then it works.
>>>>
>>>> How can I find out what is going on?
>>>> How to avoid this?
>>>>
>>>> Gerriet.
>>>>
>>>> iOS 7.0.4
>>>>
>>>> P.S. Made a new Single View Application (which has nothing except a Done button in a Toolbar at the bottom) and did run it on iPhone 4s:
>>>>
>>>> 2014-01-29 21:52:55.540 TestRestart[624:60b] -[T1RAppDelegate applicationWillEnterForeground:]
>>>> 2014-01-29 21:52:55.552 TestRestart[624:60b] -[T1RAppDelegate applicationDidBecomeActive:]
>>>> 2014-01-29 21:52:56.949 TestRestart[624:60b] -[T1RViewController donePressed:]
>>>> 2014-01-29 21:52:57.157 TestRestart[624:60b] -[T1RViewController donePressed:]
>>>> 2014-01-29 21:52:57.365 TestRestart[624:60b] -[T1RViewController donePressed:]
>>>> 2014-01-29 21:52:57.557 TestRestart[624:60b] -[T1RViewController donePressed:]
>>>>
>>>> Again a delay of 1.397 beween applicationDidBecomeActive and the first reaction to my button.
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