[BUG] Gestures apparently less responsive after long press

[Henk-Keijzer]

What is the bug?

clicks on the map work fine until a longpress on the map is triggered (and the function executed). After the longpress the map can still be moved around and zoomed in/out, but single clicks and longpresses do not result in the attached function to be called

How can we reproduce it?

set up map with both single click and longpress functions defined. After a single click, subsequent click work, but once you do a longpress, the single click and longpress no loinger work

Do you have a potential solution?

no

Platforms

windows 11

Severity

Obtrusive: Prevents normal functioning but causes no errors in the console

[JaffaKetchup]

Also see #1581, which details the particular issues that occur on the web (may be outdated).

[josxha]

Couldn't reproduce. Tested on Windows 11 and on Chrome on windows 11.

• flutter 3.13.5
• flutter_map 6.0.1
• windows 11
• chrome web browser

Aufzeichnung.2023-11-02.103750.mp4

[Henk-Keijzer]

The problem persist, but only in the following circumstances:

• on web, Edge, Chrome etc.
• when the onPressed calls launchUrl (with or without async/await)

onLongPress: (_, latlng) async {
  if (eventStatus == 'live' || eventStatus == 'pre-event') {
    await launchUrl(Uri.parse('https://embed.windy.com/embed2.html?lat=${latlng.latitude}&lon=${latlng.longitude}'
        '&detailLat=${latlng.latitude}&detailLon=${latlng.longitude}'
'&width=$screenWidth&height=$screenHeight&zoom=11&level=surface&overlay=wind&product=ecmwf&menu=&message=true&marker='
'&calendar=now&pressure=&type=map&location=coordinates&detail=true&metricWind=bft&metricTemp=%C2%B0C&radarRange=-1'));
  }
}

It works on web in Edge on Android, but the first interaction with the map after coming back to the browser window with the map is irresponsive.
It works fine on Android, iOS and on a Windows app.

Edit: did some more testing. Issue is resolved after opening a drop down list somewhere in a menu.... but then is back again. Very strange behaviour... See: https://tt.zeilvaartwarmond.nl/FTest/?event=Beurtveer/2024

[josxha]

Thanks for the additional information. I was able to reproduce it now.

[josxha]

@Henk-Keijzer I'm closing this issue because this issue is a general flutter web issue.
I reported this issue to flutter in flutter/flutter#139862.

For context: the app fails to recognize the end of the long press gesture when a new tab get opened. After returning to the app. I think what happens is that the GestureRecognizer thinks the button is still pressed and doesn't listens to another key down event.

As a workaround you could open an AlertDialog that promts the user something like "Do you want to open windy for this location? yes / no" on a long press and then call launchUrl().