[#35338] - Combo box completion is not working on smartphone
- Closed
- 24 Aug 2026
- Medium
- Build: 4.0-dev
- # 35338
Steps to reproduce the issue
Use a form with a field of custom type that extends JFormFieldCombo.
Its getOptions() method is returning a list of items.
Expected result
When you click on this field, the list of items is proposed.
While you enter caracters, this list is filtered based on the caracters already typed-in.
Actual result
It works on PC, but not on (at least Android) smartphone.
System information (as much as possible)
Joomla 3.9.10
Additional comments
As stated here, keyCode on Android does not really reflect the exact keyboard key pressed.
https://bugs.chromium.org/p/chromium/issues/detail?id=118639
As a fix, I loaded another JS file, that the one automatically loaded by Joomla (/media/system/js/combobox.js)
and changed in it:
line 145 :
if ((keycode > 47 && keycode < 59) || (keycode > 62 && keycode < 127) || keycode == 32 || keycode == 8)
with
if ((keycode > 47 && keycode < 59) || (keycode > 62 && keycode < 127) || keycode == 32 || keycode == 8 || keycode == 229)
as keyCode was always 229 on different Androir smartphone and browsers while typing on the keyboard.
joomla-cms-bot
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Hi Phil,
Please find attached the component where the issue appears.
com_mosoft_blue_marine_v1_0_14__J3.zip
Install it on a Joomla 3.x.
From the backend create some owners (proprietaire, sorry it is in french).
Add a menu link to create a "registre" from the frontend.
Access that menu from the frontend. (You may have to play with permissions here)
The registre is a form with several fields. One of them is a combo box. Where you have to choose an owner from a list. The proposals come from the owners you had created from the backend.
As a reminder, auto-completion of combo field is working on PC but not on Android.
Hope it helps.
Thank you for your follow-up.
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Added:
bug
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| Status | New | ⇒ | Closed |
| Closed_Date | 0000-00-00 00:00:00 | ⇒ | 2026-08-24 17:20:05 |
| Closed_By | ⇒ | Hackwar |
In the meantime we dropped the hand-rolled JS code responsible for this and have replaced it with awesomplete. So this issue is not valid anymore and I'm going to close it.
In the meantime we dropped the hand-rolled JS code responsible for this and have replaced it with awesomplete. So this issue is not valid anymore and I'm going to close it.
I guess it has to be tested before closure...
@fred-the-coder did you check on Joomla 5.x/6.x ?
Do you have a example extension with this test case already?