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Code Issues Releases Activity

Add note about AIDL methods taking &self (#2641)

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Nicole L
2025-02-26 09:17:22 -08:00
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src/android/aidl/example-service/service.md
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@ -23,6 +23,15 @@ _birthday_service/Android.bp_:
- Point out the path to the generated `IBirthdayService` trait, and explain why - Point out the path to the generated `IBirthdayService` trait, and explain why
each of the segments is necessary. each of the segments is necessary.
- Note that `wishHappyBirthday` and other AIDL IPC methods take `&self` (instead
of `&mut self`).
- This is necessary because binder responds to incoming requests on a thread
pool, allowing for multiple requests to be processed in parallel. This
requires that the service methods only get a shared reference to `self`.
- Any state that needs to be modified by the service will have to be put in
something like a `Mutex` to allow for safe mutation.
- The correct approach for managing service state depends heavily on the
details of your service.
- TODO: What does the `binder::Interface` trait do? Are there methods to - TODO: What does the `binder::Interface` trait do? Are there methods to
override? Where source? override? Where source?