Tech Insights 💻

How SELinux enforcement works in Android - from policy rules to AVC denials and using audit2allow to debug them

SELinux enforces Mandatory Access Control in Android - defining exactly which process can access what, and how.

From sensors to your infotainment screen VHAL, PropertyStore, and the end-to-end data flow explained

Ever wondered how vehicle sensor data ends up on your infotainment screen?

From storage basics to creating your own custom partition

Android divides device storage into multiple dedicated partitions, each with a specific role.

How Android shuts down gracefully, and how Automotive differs from a phone

Shutdown in Android is not a simple power cut. It is a carefully orchestrated sequence.

From power-on to home screen - step by step

Android boot is a multi-stage process from the bootloader all the way to the home screen.

The five layers that make Android work

Android is built on a layered architecture - each layer serves a specific purpose.

Interface definition languages in AOSP explained

HIDL and AIDL are both interface definition languages used to define HAL contracts in Android.

How Android processes talk to each other

Binder is the backbone of Android's inter-process communication.

Build system files in AOSP - what they do and how to use them

Android.bp and Android.mk are the build configuration files in AOSP.

Your command-line gateway to any Android device

ADB (Android Debug Bridge) is the primary tool for communicating with an Android device or emulator from your computer.

How Android enforces mandatory access control

SELinux (Security-Enhanced Linux) enforces mandatory access control on Android.

Understanding the partition split in Android

Android separates services into system and vendor partitions.

Inside System Server - the heart of Android

Android Framework Services are the backbone of the OS - they power everything from app launches to notifications.

Beginner guide to HAL layers

The Hardware Abstraction Layer (HAL) acts as a bridge between Android framework and device hardware.

How Android services are declared and started

.rc files are the configuration language of Android's init process.

How Android keeps apps working across versions

Android maintains backward and forward compatibility through several key mechanisms.