Binder is an IPC method using in Android platform.

Question:

Q1. Android bases on Linux, and Linux has many IPC methods such as Socket Pipe, why Android using the Binder ?

Q2. How does Binder work ?

Q3. What is the architecture of Binder ?

Q4. How the data flows from client process to and from server process using Binder ?

Below is the procedure of Client comminicates with Service using AIDL Binder IPC