Re: Odd Behavior of UIText View in app compiled with a Base SDK of iOS 11

[Gary L. Wade]

I saw some issues in an early beta of iOS 11 of views not being left where they 
should be, but I was doing some things “esoterically,” and the bug was fixed in 
the next release. In the meantime, I used the visual debugger to see what was 
happening, and I might’ve used that info if it hadn’t been fixed. Try that out 
to see if anything jumps out at you.
--
Gary L. Wade
http://www.garywade.com/

> On Oct 6, 2017, at 1:33 PM, Michal L. Wright  wrote:
> 
> Hi,
> 
> I have an app (written in Objective C) that has a UIView that includes a 
> UITableView and a UIToolbar. The bottom section of the table view is a 
> UITextView. The Deployment Target is 9.0, and the Base SDK is iOS 11.
> 
> Compiling with Xcode 9.0 and running on iPhone 6s (9.2) in the Simulator, 
> tapping any of the buttons in the toolbar works fine, with the appropriate 
> function being called.
> 
> Compiling with Xcode 9.0 and running on iPhone 6s (11.0) in the Simulator, 
> tapping anywhere in the toolbar initiates editing in the text view. However, 
> touching and holding on a button in the toolbar for about 3 seconds calls the 
> associated button function. My actual iPhone 6s running iOS 11.0.1 has the 
> same problem.
> 
> As a test, I reduced the height of the table view, leaving a fairly large gap 
> between the bottom of the table view and the top of the toolbar, just to make 
> sure there wasn’t some kind of overlap. Even tapping in the gap causes the 
> text view to initiate editing.
> 
> My first assumption had been that the problem was with UIToolbar, but that 
> doesn’t seem to be the case. Also, I have another view controller that 
> contains a UIView that contains a UITableView and a UIToolbar, and the the 
> problem does not occur there. 
> 
> In fact, I just tried not adding the toolbar subview, and tapping in the 
> space where it would normally be still causes the text view to initiate 
> editing. That seems to point to the UITextView responding to taps outside of 
> its frame.
> 
> Since Xcode 9 only offers a Base SDK of iOS 11, I switched to Xcode 8.3.3 and 
> selected a Base SDK of 10.3.
> 
> The problem does not occur on any of the Simulator devices. So, although 
> Xcode 8.3.3 can’t launch the app on my iPhone running iOS 11.0.1, I decided 
> to go ahead and release the 8.3.3 version. It runs fine on my 6s, and I’ve 
> had a number of reports that it’s running fine for a variety of customers 
> under iOS 11.
> 
> Even though I’ve managed to work around the problem for now, I can’t keep 
> using Xcode 8.3.3 forever — especially as it is very inconvenient not to be 
> able to debug the app running on my 6s.
> 
> So, I’d like to figure out if I’m seeing a side effect of something I’m doing 
> wrong, or if there is a problem with either Xcode 9 or iOS 11 that needs to 
> be reported.
> 
> The code is rather complex, but I’ll try to create a project that will 
> isolate the problem. Meanwhile I’m wondering if anyone else has seen anything 
> similar happening.
> 
> Thanks for any insights,
> Mike Wright
> 
> P.S. By the way, I’m 75 years old and would like to retire, but don’t want to 
> leave my customers in the lurch. If anyone might be interested in taking over 
> three related products, please email me directly (NOT through this list) and 
> I’ll tell you what’s involved.
> 

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Odd Behavior of UIText View in app compiled with a Base SDK of iOS 11

[Michal L. Wright]

Hi,

I have an app (written in Objective C) that has a UIView that includes a 
UITableView and a UIToolbar. The bottom section of the table view is a 
UITextView. The Deployment Target is 9.0, and the Base SDK is iOS 11.
 
Compiling with Xcode 9.0 and running on iPhone 6s (9.2) in the Simulator, 
tapping any of the buttons in the toolbar works fine, with the appropriate 
function being called.
 
Compiling with Xcode 9.0 and running on iPhone 6s (11.0) in the Simulator, 
tapping anywhere in the toolbar initiates editing in the text view. However, 
touching and holding on a button in the toolbar for about 3 seconds calls the 
associated button function. My actual iPhone 6s running iOS 11.0.1 has the same 
problem.

As a test, I reduced the height of the table view, leaving a fairly large gap 
between the bottom of the table view and the top of the toolbar, just to make 
sure there wasn’t some kind of overlap. Even tapping in the gap causes the text 
view to initiate editing.

My first assumption had been that the problem was with UIToolbar, but that 
doesn’t seem to be the case. Also, I have another view controller that contains 
a UIView that contains a UITableView and a UIToolbar, and the the problem does 
not occur there. 

In fact, I just tried not adding the toolbar subview, and tapping in the space 
where it would normally be still causes the text view to initiate editing. That 
seems to point to the UITextView responding to taps outside of its frame.

Since Xcode 9 only offers a Base SDK of iOS 11, I switched to Xcode 8.3.3 and 
selected a Base SDK of 10.3.

The problem does not occur on any of the Simulator devices. So, although Xcode 
8.3.3 can’t launch the app on my iPhone running iOS 11.0.1, I decided to go 
ahead and release the 8.3.3 version. It runs fine on my 6s, and I’ve had a 
number of reports that it’s running fine for a variety of customers under iOS 
11.

Even though I’ve managed to work around the problem for now, I can’t keep using 
Xcode 8.3.3 forever — especially as it is very inconvenient not to be able to 
debug the app running on my 6s.

So, I’d like to figure out if I’m seeing a side effect of something I’m doing 
wrong, or if there is a problem with either Xcode 9 or iOS 11 that needs to be 
reported.

The code is rather complex, but I’ll try to create a project that will isolate 
the problem. Meanwhile I’m wondering if anyone else has seen anything similar 
happening.

Thanks for any insights,
Mike Wright

P.S. By the way, I’m 75 years old and would like to retire, but don’t want to 
leave my customers in the lurch. If anyone might be interested in taking over 
three related products, please email me directly (NOT through this list) and 
I’ll tell you what’s involved.
___

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