AIDL tags

@AIDL

oneway

: The keyword means that if that call results in an IPC (i.e. the caller and callee are in different processes) then the calling process will not wait for the called process to handle the IPC.

Client의 Callback 처리 결과를 기다리지 않겠다는 것. 하나의 callee가 callback 처리시 오랜 시간을 잡고 있어도 문제가 없다.

Interface IServiceCallback {

oneway void onCallback(…)

 

in

: tag specifies an input-only parameter

out

: tag specifies an output-only parameter

 

inout
: on both in/output