Fatal Exception: NSInvalidArgumentException -[WAKScrollView canBecomeFocused]: unrecognized selector sent to instance

Question

Thinktrek Entertainment OP

Created Oct ’20

Replies 1

Boosts 0

Participants 2

Unable to detect the issue.

Log from Firebase crashlytics

Code Block Fatal Exception: NSInvalidArgumentException
0  CoreFoundation                 0x188981344 exceptionPreprocess
1  libobjc.A.dylib                0x188696cc0 objc_exception_throw
2  CoreFoundation                 0x188880110 -[NSOrderedSet initWithSet:copyItems:]
3  CoreFoundation                 0x188985b20 _forwarding___
4  CoreFoundation                 0x188987e10 _CF_forwarding_prep_0
5  UIKitCore                      0x18c580820 _UIFocusItemCanBecomeFocusedAndChildrenAreNotFocused
6  UIKitCore                      0x18c5a3af8 -[_UIFocusItemRegion initWithFrame:item:]
7  WebCore                        0x1bfc4e47c -[UIKitWebAccessibilityObjectWrapper(UIFocusConformance) _searchForFocusRegionsInContext:]
8  UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
9  UIKitCore                      0x18cf5c108 -[UIView _addAccessibilityFocusContainersInRect:inCoordinateSpace:context:]
10 UIKitCore                      0x18cf5bddc -[UIView _searchForFocusRegionsInContext:]
11 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
12 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
13 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
14 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
15 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
16 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
17 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
18 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
19 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
20 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
21 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
22 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
23 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
24 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
25 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
26 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
27 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
28 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
29 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
30 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
31 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
32 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
33 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
34 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
35 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
36 UIKitCore                      0x18c5ba80c -[_UIFocusMapSnapshot addRegionsInContainers:]
37 UIKitCore                      0x18cf5bdb8 -[UIView _searchForFocusRegionsInContext:]
38 UIKitCore                      0x18c5ba634 -[_UIFocusMapSnapshot addRegionsInContainer:]
39 UIKitCore                      0x18c5b9eac -[_UIFocusMapSnapshot _capture]
40 UIKitCore                      0x18c5b943c -[_UIFocusMapSnapshot _initWithSnapshotter:mapArea:searchArea:]

Boost

Answer 1

Frameworks Engineer OP

Apple

Oct ’20

This looks like an app using UIWebView? If so, we strongly recommend that you migrate to WKWebView.

To have us investigate this specific crash, please file a Feedback Assistant report with the full crash log and as much information you have about how to reproduce it.

0