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Re: Show stopper problem with touch handling that can affect core audio apps in iOS 9.0 - 9.02 on iPad Air 2
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Re: Show stopper problem with touch handling that can affect core audio apps in iOS 9.0 - 9.02 on iPad Air 2

  • Subject: Re: Show stopper problem with touch handling that can affect core audio apps in iOS 9.0 - 9.02 on iPad Air 2
  • From: moForte Business Development <email@hidden>
  • Date: Fri, 02 Oct 2015 11:32:03 -0700
Here are a couple videos that demonstrate the problem using Garage Band.  The lost touches issue for iPad Air 2/iOS 9 is independent of app.  It can be demonstrated with many apps including the Garage Band and the Touch Tester Program.

From the bug filing:
Every now and then when two touches are not at exactly the same time but are very close to each other in time,  the second touch is lost.   We suspect that as of iOS9 for iPad Air 2,  there is an attempt to “de-bounce” simultaneous touches.  Rejecting this second touch makes it impossible to play chords in a musical application.
Dropped Touches iPad Air 2/iOS 9 demonstrated with Garage Band and the Touch Tester Program:

https://www.dropbox.com/s/qgvuu3nzzxbtpcw/Dropped Touches, iPad Air 2, iOS9.mp4?dl=0

Dropped Touches comparing iPad 2/iOS 9 and iPad Air 2/iOS 9 demonstrated with Garage Band:

https://www.dropbox.com/s/2lslmr7xa9tfu8o/iPad2_iPad_Air_2_iOS_9_0_1_comparision.MOV?dl=0

Package with both videos, the bug report and the Touch Tester project:

https://www.dropbox.com/s/l65vj8rpt4gd4z2/Dropped_Touches_iPadAir2_iOS9_Video_And_TestProgram.zip?dl=0

-pat

On 10/1/15 11:56 AM, Nick Porcaro wrote:
Here is the bug number:

22868589 Simultaneous touches are lost on iPad Air 2 running iOS 9.0.1


- Nick


On Oct 1, 2015, at 1:23 PM, Kyle Sluder <email@hidden> wrote:

On Thu, Oct 1, 2015, at 02:36 AM, Nick Porcaro wrote:

Here is some more detail from our bug report:

Hi Nick,

Thank you for filing a bug report. In addition to sharing the contents,
it's rather helpful to share the actual bug number so that Apple
employees who happen to be reading this list can follow along.

--Kyle Sluder
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  • Follow-Ups:
    • Re: Show stopper problem with touch handling that can affect core audio apps in iOS 9.0 - 9.02 on iPad Air 2
      • From: matt ingalls <email@hidden>
References: 
 >Re: Show stopper problem with touch handling that can affect core audio apps in iOS 9.0 - 9.02 on iPad Air 2 (From: Kyle Sluder <email@hidden>)
 >Re: Show stopper problem with touch handling that can affect core audio apps in iOS 9.0 - 9.02 on iPad Air 2 (From: Nick Porcaro <email@hidden>)

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