Episode 204: Fan’otations

Android Developers Backstage

In this episode, Tor, Romain, and Chet talk about one of Tor’s favorite topics: Lint! Specifically, we talk about Lint checks and the annotations that use them to enable better, more robust, and more self-documenting APIs. Lint: It’s not just for pockets anymore.

Chapters:

Intro (00:00)

Lint checks for annotations (01:50)

Lint checks in Android (05:38)

Logic checks (07:34)

Color representations (10:01)

How does lint know the type of integer? (14:40)

Kotlin annotations (17:19)

Unsigned (20:10)

HalfFloat (22:25)

Thread annotations (25:12)

@CallSuper (28:18)

LayoutOpt (30:26)

Lint checks in AndroidX (32:00)

Restrict to annotation (36:45)

Writing your own custom Lint checks (39:51)

Lint testing framework (43:26)

Kotlin buildList Lint check example (45:25)

@Discouraged (48:15)

Wrap up (50:08)

@Deprecated Chet (50:50)

Romain: @romainguy, threads.net/@romainguy, [e-mail]

Tor: threads.net/@tor.norbye and [e-mail]

Chet: @chethaase, threads.net/@chet.haase, and [e-mail]

Catch videos on YouTube → https://goo.gle/adb-podcast

Subscribe to Android Developers → https://goo.gle/AndroidDevs