Android Question Unused routines.

LucaMs · Feb 9, 2022

I just noticed that in a class module, private routines are reported as unused only if their name does not contain an underscore. Is this a design decision (is there a relationship with obfuscation?)

agraham · Feb 9, 2022

LucaMs said:
Is this a design decision

Yes

LucaMs said:
is there a relationship with obfuscation?

No

I think it is a crude(ish) way to avoid event Subs showing as unused because they are not called from within the app code but from the app's message loop.

LucaMs · Feb 9, 2022

agraham said:
I think

I think Erel should answer to this kind of questions
(it could be a bug)

agraham · Feb 9, 2022

agraham said:
~~I think~~ it is a crude(ish) way to avoid event Subs showing as unused because they are not called from within the app code but from the app's message loop.

LucaMs said:
(it could be a bug)

No it's not.

LucaMs · Feb 9, 2022

agraham said:
No it's not.

So I have to assume that you participate in the development of Anywhere Software tools, right?

LucaMs · Feb 9, 2022

LucaMs said:
So I have to assume that you participate in the development of Anywhere Software tools, right?

It could be, given that...

Erel il "member" since:

and you:

P.S. So B4X is about to turn 15!

Erel · Feb 9, 2022

Agraham answer is exact. I voted it up.

The compiler cannot know which subs are "events subs" and relies on the convention that such subs have an underscore in their name.

agraham · Feb 9, 2022

LucaMs said:
So I have to assume that you participate in the development of Anywhere Software tools, right?

I helped Erel in the initial development of B4A as I was a significant contributor to its predecessor Basi4ppc. I was the first (as far as I know) to run the initial versions of B4A to identify bugs and feedback to Erel. I wrote many of the initial libraries, some of which, like Reflection and ByteConverter are now part of the B4A standard libraries and some, like Threading, while important initially are less so now that Erel has written asynchronicity into other libraries that most benefit from it.

From one of our interchanges in 2010 during the development of B4A prior to release.

Hi Andy,
I've uploaded a new version of the IDE and the java projects.
Most of the issues we discussed should be fixed.
There are many small improvements.

[technical stuff omitted/]

I'd be happy to hear your comments if you like to play with it. It is located under /beta/b4a.zip.

Regards,
Erel

?

LucaMs · Feb 9, 2022

Erel said:
Agraham answer is exact. I voted it up.

The compiler cannot know which subs are "events subs" and relies on the convention that such subs have an underscore in their name.

All this does not convince me but I have to adapt ???

LucaMs · Feb 9, 2022

I am about to clarify what I meant and then "close" the thread, as I have been privately asked questions.

The purpose of the warning about unused subs is to allow you to delete them in case you really don't need them anymore.

However, if the name of one of my routines that I will not actually use anymore (old version of my source) contains an underscore, the warning will not happen and my source will be less "clean".

AnandGupta · Feb 9, 2022

agraham said:
I helped Erel in the initial development of B4A as I was a significant contributor to its predecessor Basi4ppc. I was the first (as far as I know) to run the initial versions of B4A to identify bugs and feedback to Erel. I wrote many of the initial libraries, some of which, like Reflection and ByteConverter are now part of the B4A standard libraries and some, like Threading, while important initially are less so now that Erel has written asynchronicity into other libraries that most benefit from it.

From one of our interchanges in 2010 during the development of B4A prior to release.

?

Glad to know about it ?

AnandGupta · Feb 9, 2022

LucaMs said:
However, if the name of one of my routines that I will not actually use anymore (old version of my source) contains an underscore, the warning will not happen and my source will be less "clean".

Erel said:
The compiler cannot know which subs are "events subs" and relies on the convention that such subs have an underscore in their name.

LucaMs · Feb 9, 2022

Yes, @AnandGupta , even if I sometimes read lightly, too fast, and maybe I will lose my sight and the last two neurons, for the moment I think I understand the answer.

But, again... if I were to create/have (old module) a Sub whose name contained an underscore and my project didn't use it, it would be useful for me to have the IDE warn me; otherwise I am forced to avoid underscores in Subs that are not events.

My answers are probably convoluted ?
|
|
V

Two of the main problems of humanity:

1 - everyone's mother tongue should be Italian;

2 - the only existing programming language should be B4X.

?

AnandGupta · Feb 9, 2022

LucaMs said:
2 - the only existing programming language should be B4X.

And that too should be in Italian, not English, syntax. I agree.

Spavlyuk · Feb 9, 2022

LucaMs said:
otherwise I am forced to avoid underscores in Subs that are not events.

Is that a bad thing? Underscores are kind of ugly outside of C where everything is lowercased.

LucaMs · Feb 9, 2022

Spavlyuk said:
Is that a bad thing? Underscores are kind of ugly outside of C where everything is lowercased.

I never use underscores in the names of my routines; I did it today and it is precisely for this reason that I realized this only today (in a simple test project).

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