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https://issues.apache.org/jira/browse/CB-14144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16518363#comment-16518363
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altShiftDev commented on CB-14144:
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[~jcesarmobile] I really appreciate you helping, I made a barebones repo:
[https://github.com/altShiftDev/backbuttontest]
Sorry it includes quasar + vue but if Cordova isn't at fault then something
else in my environment is and these are the likely suspects.
These are the 2 commands needed to be able to build the project:
yarn global add vue-cli
yarn global add quasar-cli
Also run "yarn" inside the directory to make all dependencies are met then run:
quasar dev -m cordova -T android
The above should create a folder called src-cordova/ add the android platform
and build the app in dev mode and launch an emulator from android studio. If
you already have one running it will use that one.
The addEventListener is located in /src/app.vue in the "mounted" section which
[according to quasar guarantees that deviceReady has already
fired|https://quasar-framework.org/guide/cordova-plugins.html#Caveat].
> BackButton Event Listeners do not fire on Android API 23 or below
> -----------------------------------------------------------------
>
> Key: CB-14144
> URL: https://issues.apache.org/jira/browse/CB-14144
> Project: Apache Cordova
> Issue Type: Bug
> Components: cordova-android
> Affects Versions: cordova-android-7.0.0
> Environment: Using Android Studio emulators Galaxy, Pixel, Nexus 5...
> all exhibit this behaviour.
> Quasar Framework is building my project a long with webpack but I've no
> reason to suspect Quasar as the cause, they only register a single
> eventListener for backbutton and I've manually gone in and edited the source
> code for this listener and it never fires leading me to believe the problem
> is with Cordova.
> Reporter: altShiftDev
> Assignee: Joe Bowser
> Priority: Major
>
> App exits immediately on back button press without ever firing the
> eventListener designed to capture and reroute it.
> There is nothing wrong with my eventListener code, it's been tested on Api 25
> and higher and is very stable:
> `document.addEventListener('backbutton', this.onBackButton, false)`
> I have not yet tested to confirm if API 24 has this bug or not.
> This affects many of my users, including myself as I've got a phone running
> Android at these versions. The app is completely killed with every tap of the
> back button (new launches of the app cold boot with splashscreen) making it
> impossible to properly navigate the app: closing modals, moving backwards in
> operations, etc...
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