IPC

Binder framework takes an object-oriented approach in its design principle and every entity that is capable of serving inter-process calls is a user-space object. In native user space the IBinder is the base class of all kinds of Binder objects i.e. proxy objects and native objects. All native Binder objects [...]

There are several techniques to achieve IPC (Inter-process communication) like files, sockets, signals, pipes, message queues, semaphores, shared memory, etc. Binder is an Android-specific IPC mechanism, which enables an RPC (remote procedure call) mechanism between the client and server processes. Client process can execute remote methods in the server process [...]