Where can I find the API changes from dev02 to dev03? I have a presentation tomorrow and I’d like to...

# compose

[nglauber]

Where can I find the API changes from dev02 to dev03? I have a presentation tomorrow and I’d like to update the content…

[Roar Gronmo]

I've struggling to find any post saying what has changed, so needed to take an old "JetNews" sample and compare it to the new One. And then check the documentation on https://developer.android.com/reference/kotlin/androidx/ui/packages

It would have been nice to have a kind of statement or overview on what has changed, You can take a peak here to:

https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/ui

Thats the further end... I am not sure if this last one is "official".

RG

[Roar Gronmo]

...and check the readme.md on https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/ui
There are some good clues there too.

[Roar Gronmo]

And its quite a lot of changes...

[nglauber]

that’s weird… In Jetnews setContent is working, but it’s not showing up in my project 🤔

[nglauber]

Oh! I see… there’s more dependencies…

[Roar Gronmo]

Yes, there are many new ones...

[Louis Pullen-Freilich [G]]

Yeah, previously we were not generating the correct pom files, so all of our dependencies had transitive dependencies by default. Since dev02 we fixed that so now we respect implementation vs api dependencies, so that our libraries don't leak their implementation details as transitive dependencies.

[Roar Gronmo]

So... they go undercover...😎

[nglauber]

Is there a way to centralize the all children of a Column? The old crossAxisAlignment …

[Simon Schubert]

@nglauber did you figure out how to center children in dev03?

modifier = Gravity.Center

would make sense but my Android Studio can't find the declaration of Center

[nglauber]

yep!

[nglauber]

the workaround was put this in every child 🤷‍♂️

[Simon Schubert]

Ah I see, adding Gravity.Center to Column doesn't resolve but adding it to Text works. I hope thats going to change 🤔

[Roar Gronmo]

Isn't that within the child item itself? I.e. the Text boundaries ?

[Roar Gronmo]

@nglauber How did your presentation go ?

[nglauber]

hey @Roar Gronmo! it was great 🙂 thanks for asking.
I did two demos during my presentation and they worked as expected 😊

[nglauber]

@Simon Schubert I found this:

Center {
    Column {
        Text(text = "Text 1")
        Text(text = "Text 2")
        Text(text = "Text 3")
    }
}

[Fudge]

I’ve been wondering of the purpose of these files. Are these actually meant to be read by humans (considering javadocs/kdocs already fill that space)?

[Chris Craik]

They are - They're used during code reviews to prevent accidentally add public apis we don't want. There's more strictness in that review as to not just general shape of the API, but also e.g. consistency in naming and documentation. They're also used by scripts that verify we don't ship e.g. changes to a public API in an rc, or bugfix release.

[Simon Schubert]

@nglauber congratulation to the successful presentation and thanks for the Center hint. I stumped over it but I had some weird site effects when using it. And thanks for the document @Chris Craik

[Geert]

Is there also a way to use Center only for horizontal or vertical? Currently it litteraly puts in in the center of the whole screen, not just the Column I placed it in.

[Roar Gronmo]

You could use Column and Row in combination, and set the modifier with Gravity (check the #compose thread, I've asked something similar couple days ago) Gravity isn't referenced in the documentary for Row and Column yet, it seems to be a separate object.

[Roar Gronmo]

@Geert Here's the link: https://kotlinlang.slack.com/archives/CJLTWPH7S/p1575902253340900?thread_ts=1575902253.340900&cid=CJLTWPH7S

[Geert]

Yes this works better, thanks|!