SomeApp "is never used"

Question

Below in the image 1 you can see I created a Kotlin class that extends from the Application() class:

I also added the necessary stuff in my Manifest file as you can see in the next image:

However I can't figure out why Android Studio maintains that I am NOT using my Class at all! It is underlined and grayed out and on mouse over you see the message "Class XZY is never used."

The same behavior I noticed in Versions of Android Studio different from my current one, which is 3.1.2. Of note might be that if I create the same class in Java, Android Studio functions as it should and knows that I use the class if I mention it in my Manifest file. Any ideas how to convince the Android Studio that I am actually using this class?

If you see log message in your logcat that onCreate was called, then file a bug on AS issue tracker. — NazarK, May 11 '18 at 13:01
@Danger: tag comes later on down (as MainActivity), since this class is NOT an Activity but an Application class. — Hoornet, May 11 '18 at 13:07
@NazarK: OnCreate is called and the app is running as it should. The problem is only in the AS — Hoornet, May 11 '18 at 13:09
@EpicPandaForce: Of course. It's exactly the same in any of the projects. It's not like this is an exception. — Hoornet, May 12 '18 at 10:02
@gtcompscientist Yes of course. I have send the bug report to AS deveopers and I believe they will fix it soon — Hoornet, Dec 01 '18 at 12:33
@grant No... In Android Studio 3.3.1 it is still the same! I can CLICK on the class and be brought to the right place in Manifest, but editor still says, that "class XYZ is never used" — Hoornet, Feb 15 '19 at 12:20

NickM_RG · Answer 1 · 2019-03-19T15:31:45.170

3

This is a bug in Android Studio. Here is a link to Google Issue Tracker (requires Google account). It was reported there by a few users in March 2018 and got little attention from Google staff ever since.

edited Mar 19 '19 at 15:31

answered Mar 19 '19 at 11:04

NickM_RG

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Thanks for sharing the answer on stackoverflow. Please read this article on [How do I write a good answer?](https://stackoverflow.com/help/how-to-answer), especially the part: `Provide context for links`. Good luck! – Stephan T. Mar 19 '19 at 11:24
@NickM_RG : yeah. I believe it was my own report that was included ... :) – Hoornet Mar 20 '19 at 13:41

score 1 · Answer 2 · answered Feb 19 '21 at 07:28

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That is bug and it's not yet solved what i did was adding this line before the class

@Suppress("unused")

answered Feb 19 '21 at 07:28

Stephen

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2 years and 9 months ago I reported this bug to Google... – Hoornet Feb 21 '21 at 13:19
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Best solution, many thanks. – rwst Apr 17 '22 at 16:54

score 0 · Answer 3 · answered Mar 19 '19 at 11:27

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Try to select Invalidate Caches/Restart from menu File tab.

answered Mar 19 '19 at 11:27

GBDevs

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Tried this and it did not help on latest Android Studio. – Jeff Muir Nov 28 '19 at 23:26

SomeApp "is never used"

3 Answers3