[dolphin] [Bug 501694] New: Dolphin doesn't display icons for Android (APK) applications

[John]

https://bugs.kde.org/show_bug.cgi?id=501694

            Bug ID: 501694
           Summary: Dolphin doesn't display icons for Android (APK)
                    applications
    Classification: Applications
           Product: dolphin
           Version: 24.12.2
          Platform: Debian unstable
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: ilikefoss at waterisgone.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 179541
  --> https://bugs.kde.org/attachment.cgi?id=179541&action=edit
All the Android aps show the same generic Android icon

SUMMARY
Dolphin doesn't display icons for Android (APK) applications

STEPS TO REPRODUCE
1. Download a few applications for Android from F-droid.
2. Open the folder where you downloaded them.


OBSERVED RESULT
All applications have a generic Android icon.

EXPECTED RESULT
All applications have their own individual icon.
Similar to how other types of executables have their icons shown.

SOFTWARE/OS VERSIONS
Linux (Debian 13 - unstable repository)/KDE Plasma:
KDE Plasma Version: 6.3.2
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.12.17-amd64 (64-bit)
Mesa  Version: 25.0.1-2
Graphics Platform: Wayland


HARDWARE SPECIFICATIONS
Hardware: Laptop Dell Inspiron 5770 (17" 1080p at 60Hz screen)
CPU: Intel® Core™ i5-8250U CPU @ 1.60GHz (4 cores, 8 threads)
GPU 1: Intel® UHD Graphics 620 (main, Vulkan capable)
GPU 2: AMD Radeon R5 M465 Series
RAM: 8 GiB (7.7 GiB usable)


ADDITIONAL INFORMATION
Since the .apk files are nothing more than just ZIP archives with a different
extension than usual:
https://stackoverflow.com/a/3599219
It should be possible to look inside it and find the icon.
And this answer here confirms that it's possible:
https://stackoverflow.com/a/14483827
For development / debugging the 'aapt' tool can be used, which will display a
lot of information about an .apk file, including which icon(s) it uses:
https://stackoverflow.com/a/14484950

Somebody also made a thumbnailer for Plasma:
https://github.com/z3ntu/kde-thumbnailer-apk
And somebody else made one for Gnome
https://github.com/adam-devel/apk-thumbnailer

But it would be really great if this was a built-in capability that Dolphin
has, similar to how it can display icons for .AppImage files and for .exe
files.
Working with multiple APK files, copying / moving them to the Android phone's
memory through the file manager or through the scrcpy tool is a pain without
icons and makes us lose time as we have to read all the names for each file to
find the right one.
It's good that a generic Android icon i shown, but that doesn't help at all
when all the files in the folder are APK files.
Which you can see how it looks in the attached print screen.

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