How to program the system back button on an Android device

[yves86]

Hi,
I want to include in an Android app, the detection from the system back button on an Android device.

Does any one have an idea ?

Thanks

[hoerbie]

Have a look in the docs on BindCordovaEvent("backbutton", @yourcallback())

[yves86]

Thanks hoerbie,

I have find this topic /
viewtopic.php?p=5398&hilit=BindCordovaEvent#p5398

But its doesnt work !

[hoerbie]

Hi,
I can check my codes next week, when I‘m back in office. But until now I only use this to disable all buttons on Android.

[hoerbie]

Hi,
please try something like the following:

Code: Select all

Procedure BindCordovaEvent(Event.s, *Callback)
  !document.addEventListener(v_event, p_callback);
EndProcedure   

Procedure back_event()
  Debug "CordovaEvent: back"
EndProcedure
Procedure volumeup_event()
  Debug "CordovaEvent: volume up"
EndProcedure
Procedure volumedown_event()
  Debug "CordovaEvent: volume down"
EndProcedure
Procedure resume_event()
  Debug "CordovaEvent: resume"
EndProcedure
Procedure pause_event()
  Debug "CordovaEvent: pause"
EndProcedure

;only for Android:
BindCordovaEvent("backbutton", @back_event())
BindCordovaEvent("volumeupbutton", @volumeup_event())
BindCordovaEvent("volumedownbutton", @volumedown_event())

;for Android and iOS
BindCordovaEvent("resume", @resume_event())
BindCordovaEvent("pause", @pause_event())

Can't test it now, but this is copied from my sources, removed my code and changed to demo debug, so it should work this way.

On https://cordova.apache.org/docs/en/late ... vents.html you can find additional Cordova events.

[yves86]

Hi
Thanks hoerbi,

It's fine.

[Quin]

Just tested on my phone (a Pixel 7 pro) and it worked flawlessly. Thanks a ton for this!

Hi,
please try something like the following:

Code: Select all

Procedure BindCordovaEvent(Event.s, *Callback)
  !document.addEventListener(v_event, p_callback);
EndProcedure   

Procedure back_event()
  Debug "CordovaEvent: back"
EndProcedure
Procedure volumeup_event()
  Debug "CordovaEvent: volume up"
EndProcedure
Procedure volumedown_event()
  Debug "CordovaEvent: volume down"
EndProcedure
Procedure resume_event()
  Debug "CordovaEvent: resume"
EndProcedure
Procedure pause_event()
  Debug "CordovaEvent: pause"
EndProcedure

;only for Android:
BindCordovaEvent("backbutton", @back_event())
BindCordovaEvent("volumeupbutton", @volumeup_event())
BindCordovaEvent("volumedownbutton", @volumedown_event())

;for Android and iOS
BindCordovaEvent("resume", @resume_event())
BindCordovaEvent("pause", @pause_event())

Can't test it now, but this is copied from my sources, removed my code and changed to demo debug, so it should work this way.

On https://cordova.apache.org/docs/en/late ... vents.html you can find additional Cordova events.