What @Composable actually does to your function
@Composable is a compiler plugin that adds hidden parameters to your function. Once you know what it adds, the rules about calling context, skipping and recomposition stop being arbitrary.
compose
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Thinking in Compose: you can't reach into the UI any more, and that's the point
In Views you fix UI by reaching in and mutating it. Compose removes that ability entirely. Understanding why the removal is the feature is what makes the rest of Compose make sense.
Compose has two version problems, and the BOM only solves one
The Compose BOM aligns runtime artifacts. The Kotlin/Compose compiler is a separate alignment problem, and mixing the two up produces errors that look like your code is wrong when it isn't.
Basics of Jetpack Compose
What a composable function actually is, the three layout blocks every screen is made of, and how to preview one without running the app.
What is Jetpack Compose?
XML made you invalidate the UI by hand. Compose recomposes only the nodes whose data changed — and that one difference reorders how you build a screen.
Analyse your Android knowledge before you learn anything new
Before learning a new toolkit, work out what you already know. Four questions that decide where to start, applied to Jetpack Compose.