What is AIDL? Enumerate the steps in creating a bounded service through AIDL ?

Опубликовано: 21 Ноябрь 2022
на канале: Divyansh Dwivedi
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8

The Android Interface Definition Language (AIDL) allows you to define the programming interface that both the client and service agree upon in order to communicate with each other using interprocess communication (IPC). On Android, one process cannot normally access the memory of another process. So to talk, they need to decompose their objects into primitives that the operating system can understand, and marshall the objects across that boundary for you. The code to do that marshalling is tedious to write, so Android handles it for you with AIDL.

To create a bounded service using AIDL, follow these steps:

Create the .aidl file
This file defines the programming interface with method signatures.
Implement the interface
The Android SDK tools generate an interface in the Java programming language, based on your .aidl file. This interface has an inner abstract class named Stub that extends Binder and implements methods from your AIDL interface. You must extend the Stub class and implement the methods.
Expose the interface to clients
Implement a Service and override onBind() to return your implementation of the Stub class.

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