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AIDL (Android Interface Definition Language)
Implementing IPC Using AIDL : Implementing the Interface
AIDL generates an interface file for you with the same name as your .aidl file. If you are using
the Eclipse plugin, AIDL will automatically be run as part of the build process (you don't need to
run AIDL first and then build your project). If you are not using the plugin, you should run AIDL
first.
The generated interface includes an abstract inner class named Stub that declares all the
methods that you declared in your .aidl file. Stub also defines a few helper methods, most
notably asInterface(), which takes an IBinder (passed to a client's onServiceConnected()
implementation when applicationContext.bindService() succeeds), and returns an instance of
the interface used to call the IPC methods. See the section Calling an IPC Method for more
details on how to make this cast.
To implement your interface, extend YourInterface.Stub, and implement the methods. (You can
create the .aidl file and implement the stub methods without building between--the Android
build process will process .aidl files before .java files.)
Here is an example of implementing an interface called IRemoteService, which exposes a single
method, getPid(), using an anonymous instance:
private final IRemoteService.Stub mBinder = new IRemoteService.Stub(){
public int getPid(){
return Process.myPid();
}
}
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