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Description of  Android Os Internals Version 14 From Apps Down To Kernel

Published 3/2024 MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz Language: English | Size: 916.75 MB | Duration: 1h 30m Run Android 14 in the cloud, create system services, solve SELinux errors and debug native crashes. What you'll learn Understand Android OS Architecture and control Linux kernel drivers Develop a C++ service and make it persistent with an rc file Build a Kotlin application with system control UI Use AIDL for HAL communication be in line to AOSP design patterns and the CTS Learn how to solve SELinux avc denied errors Requirements Software Developer Description Overview Section 1: Set up VMX enabled Ubuntu 20.04 in Google Cloud Lecture 1 Create a Google Cloud account with compute engine enabled Lecture 2 Install the gcloud CLI and connect to the AOSP project on your Google Cloud Lecture 3 Create an Ubuntu 20.04 VM with VMX enabled Lecture 5 Build and run the Cuttlefish VM Section 3: Ubuntu Desktop + Android Studio for Platform (ASfP) Lecture 6 Convert Ubuntu Server to Ubuntu Desktop Lecture 7 Install and configure the Android Studio for Platform Section 4: Tools - hmm, adb Lecture 8 The 'hmm' Command Lecture 9 Authorizing Real Device for ADB Connection Section 5: Security basics Lecture 10 User IDs and the Discretionary Access Control Lecture 11 Mandatory Access Control - SELinux Lecture 12 Process Status (ps) and Private Application Files in /data/data Section 6: Images and partitions Lecture 13 PRODUCT_MAKEFILES and Makefile Inheritance Lecture 14 Generic System Image (GSI) Lecture 15 Android Partitions Lecture 16 Dynamic Partitions, "super.img", A/B System Updates and "fastbootd" Section 7: Lab 1: AIDL for HAL - creating a CPU HAL Interface Definition Lecture 17 About the Main Lab Lecture 18 Change the CPU scaling governor via the command line (adb shell) Lecture 19 Define an aidl_interface module in Android.bp Lecture 20 Define a CPU interface in ICpu.aidl Lecture 21 Build the CPU Interface using mm Lecture 22 Add the AIDL interface to the Cuttlefish build Section 8: Lab 2: Creating the service daemon Lecture 23 Create an empty service holder in service.cpp Lecture 24 Define a new CPU Service executable in Android.bp Lecture 25 Define an init.rc persistent service pointing to the CPU service executable Lecture 26 Define a Vendor Interface (VINTF) xml object Lecture 27 Add the CPU Service to the Cuttlefish build Section 9: Lab 3: Setting correct SELinux permissions Lecture 28 Print the logcat and correctly label the service executable Lecture 29 Define new SELinux types and use SELinux macros Lecture 30 Use audit2allow to solve "avc: denied" errors Section 10: Lab 4: Create and register the CPU service implementation Lecture 31 Define the CPU class header file Lecture 32 Define the CPU class implementation file Lecture 33 Register the CPU service with the Service Manager Lecture 34 Define a new CPU service interface SELinux type in the Service Manager Section 11: Lab 5: Test the CPU service and fix permissions errors Lecture 35 Create CpuTester executable Lecture 36 Change the Scaling Governor file permissions Section 12: Lab 6: Create a services system app with a Broadcast Receiver Lecture 37 Extend the Application class Lecture 38 Create a Broadcast Receiver to handle external requests Lecture 39 Defne a persistent Android App in AndroidManifest.xml Lecture 40 Create a strings.xml resources file Lecture 41 Define an Android App module in Android.bp Lecture 42 Set SELinux rules for the system app Section 13: Lab 7: Add Activity Control UI to the Platform app Lecture 44 Create the resource files Lecture 45 Extend the Activity class Lecture 46 Add the activity to the AndroidManifest.xml file Lecture 47 Test the Activity Section 14: Lab 8: Debugging Tools Lecture 48 Forcing a crash and using llvm-addr2line Lecture 49 Debugging native service with lldb Anyone wanting to understand the Android OS for work, hobby or to gain experience