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| author | Android API Council <no-reply@android.com> | 2023-12-07 12:55:13 -0800 |
|---|---|---|
| committer | Android API Council <copybara-worker@google.com> | 2023-12-07 12:55:43 -0800 |
| commit | c66ddc1d499595765d4abae97523f57ad582cb3e (patch) | |
| tree | 569898b20b2f4780e930fb62556097922c24bb09 | |
| parent | 565b7577d581f2cb01e98686e98864d114262298 (diff) | |
| download | docs-c66ddc1d499595765d4abae97523f57ad582cb3e.tar.gz | |
Recommend against new View subclasses in Android API guidelines
PiperOrigin-RevId: 588882073
Change-Id: Id9ae298ad56408ea532d32c20690afd9bf166f62
| -rw-r--r-- | api-guidelines/classes.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/api-guidelines/classes.md b/api-guidelines/classes.md index 4499a5c..830b474 100644 --- a/api-guidelines/classes.md +++ b/api-guidelines/classes.md @@ -295,6 +295,18 @@ Classes that release resources through `close`, `release`, `destroy` or similar methods should implement `java.lang.AutoCloseable` to allow developers to automatically clean up these resources when using a `try-with-resources` block. +### Avoid introducing new View subclasses in android.* <a name="classes-no-new-framework-views"></a> + +Do not introduce new classes that inherit directly or indirectly from +`android.view.View` in the platform public API (i.e. in `android.*`). + +Android's UI toolkit is now [Compose-first](https://d.android.com/compose). New +UI functionality exposed by the platform should be exposed as lower-level APIs +that can be used to implement Jetpack Compose and optionally View-based UI +components for developers in [androidx](http://go/androidx) libraries. Offering +these components in androidx libraries affords opportunities for backported +implementations when platform functionality is not available. + ## Fields [F] <a name="fields"></a> These rules are about public fields on classes. |