Implement Black theme with black background

[sasodoma]

Added an additional theme which has the window background color as well as the primary color set to black. The theme is called AMOLED since the main incentive to have such a theme is energy saving on different OLED screens which emit no light when set to black.

This closes #483

I understand that this is probably not yet suitable for a merge so I'd like to ask what else needs to be done.

Tested on my Google Pixel 8 Pro running Android 16

[Copilot]

Pull Request Overview

This PR implements a new AMOLED theme with black backgrounds to save energy on OLED screens. The implementation adds theme styles, string resources, and configuration options to support the new theme alongside existing dark, light, and system themes.

• Adds AMOLED theme styles with black window background and primary color
• Updates theme selection arrays to include the new AMOLED option
• Extends ThemeStyle enum to support AMOLED theme configuration

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
app/src/main/res/values/styles.xml	Defines ThemeAmoled and ThemeAmoledNoActionBar styles with black backgrounds
app/src/main/res/values/strings.xml	Adds theme_amoled string resource for UI display
app/src/main/res/values/arrays.xml	Updates theme arrays to include AMOLED option
app/src/main/kotlin/com/vrem/wifianalyzer/settings/ThemeStyle.kt	Adds AMOLED enum entry with corresponding style references

Comments suppressed due to low confidence (1)

[VREMSoftwareDevelopment]

When you get a chance, could you take care of the broken and missing unit tests?

Thanks so much for your contribution!

[sasodoma]

Regarding the tests, I have to admit I don't have any experience with unit tests in Android but I will do a bit of research and get familiar. It will also be helpful for me, since I would like to implement a more major feature in the future (adding nicknames to easily tell BSSIDs apart). Feel free to leave this open if you would like to wait until I implement the tests.

[sasodoma]

@VREMSoftwareDevelopment I noticed that everytime I build the version_build value in app/build.properties gets incremented. Should I push this change to the repo or leave it out?

[VREMSoftwareDevelopment]

@VREMSoftwareDevelopment I noticed that everytime I build the version_build value in app/build.properties gets incremented. Should I push this change to the repo or leave it out?

It is okay to merge

[sasodoma]

I have added tests for the black theme to the ThemeStyleTest and I also extended the SettingsTest to be a bit more comprehensive. I hope this fits what you had in mind.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.62%. Comparing base (7f0dbf2) to head (ce9cabf).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #549   +/-   ##
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  Coverage     96.62%   96.62%           
  Complexity      891      891           
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  Files           121      121           
  Lines          2580     2581    +1     
  Branches        202      202           
=========================================
+ Hits           2493     2494    +1     
  Misses           29       29           
  Partials         58       58           

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