Canvas view is not recognising touches after coming from background (device: iPad)

[ghost]

When the app is sent to background via sliding from the bottom and then opening the app, the touches are not recognizing again and getting below crash.

assert(false, "State not handled") (DrawsanaView.swift -> 302 line)

[stevelandeyasana]

Thanks for the report. If you disable asserts it probably won't crash in release builds. :-) I'll look into it when I get a chance.

[stevelandeyasana]

@Kiran-appitventures If you disable the assert, does the app keep working normally? It should. So this won't affect production builds.

Still worth a look, of course!

[stevelandeyasana]

Would you mind trying this branch to see if it fixes the issue? #32

[dneykov]

Hello,

I have same problem testing on iPad Air 2

[stevelandeyasana]

OK, did you also try my suggestion? Did it work? Did you try the branch I linked to to see if it fixed the issue?

[dneykov]

@stevelandeyasana I just test with the branch with the fix but still crashes but on different line

Assertion failed: State not handled: file /Users/dneykov/Developer/iOS Apps/Schouw/Pods/Drawsana/Drawsana/DrawsanaView.swift, line 301 2019-07-29 10:24:07.900861+0300 Schouw[5333:1463336] Assertion failed: State not handled: file /Users/dneykov/Developer/iOS Apps/Schouw/Pods/Drawsana/Drawsana/DrawsanaView.swift, line 301

[ghost]

may helpfull as quick fix.. As drawing is not happening when app resigns active screen.. temporarily done workaround.

In Drawsana:

panGR as global variable

public func resetPanGR() {
DispatchQueue.main.async {
self.panGR.state = .ended
self.panGR.reset()
}
}

In my DrawingVC calling this:
@objc private func handleDidBecomeActiveNotification() {
drawingView.resetPanGR()
}