Overview of Android Binder mechanism

1, What is it Binder is an inter process communication mechanism of Android system. It is mainly composed of the following parts: virtual binder device (/ dev/binder), binder driver (binder. C in the kernel), ServiceManager, Service providing Service and Client invoking Service. Binder device and binder driver realize the protocol of process ...

Added by cosmos33 on Thu, 17 Feb 2022 16:29:05 +0200

Android R(11) adds the death recipients callback of HIDL service for the client

Generally, the caller (client) of HIDL service is not in the same process with it. HIDL service generally provides hardware functions, and the caller (client) realizes characteristic functions based on this hardware function. Here, it is assumed that HIDL light service only provides the hardware function to control the on and off of specific LE ...

Added by michaelnorth on Sat, 05 Feb 2022 12:22:31 +0200