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Script to root AVDs running with QEMU Emulator from Android Studio

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rootAVD

A Script to...

  • root your Android Studio Virtual Device (AVD), with Magisk (Stable, Canary or Alpha)
  • patch its fstab
  • download and install the USB HOST Permissions Module for Magisk
  • install custom build Kernel and its Modules
  • download and install AOSP prebuilt Kernel and its Modules

...within seconds.

Install Magisk

Download rootAVD via

  • Click
  • git clone https://github.com/newbit1/rootAVD.git

Preconditions

  • the AVD is running
  • a working Internet connection for the Menu
  • a command prompt / terminal is opened
  • adb shell will connect to the running AVD

Use Case Examples

on MacOS

BlueStacks 4 on MacOS

on Windows

on Linux

How to Install ADB (Android SDK Platform-Tools)

  • Open Android Studio -> SDK Manager -> Android SDK -> SDK Tools -> Check on Android SDK Platform-Tools -> Apply

rootAVD Help Menu

rootAVD A Script to root AVD by NewBit XDA

Usage:	rootAVD [DIR/ramdisk.img] [OPTIONS] | [EXTRA_CMDS]
or:	rootAVD [ARGUMENTS]

Arguments:
	ListAllAVDs			Lists Command Examples for ALL installed AVDs

	EnvFixTask			Requires Additional Setup fix
					- construct Magisk Environment manual
					- only works with an already Magisk patched ramdisk.img
					- without [DIR/ramdisk.img] [OPTIONS] [PATCHFSTAB]
					- needed since Android 12 (S) rev.1
					- not needed anymore since Android 12 (S) API 31 and Magisk Alpha
					- Grant Shell Su Permissions will pop up a few times
					- the AVD will reboot automatically

	InstallApps			Just install all APKs placed in the Apps folder

Main operation mode:
	DIR				a path to an AVD system-image
					- must always be the 1st Argument after rootAVD
	
ADB Path | Ramdisk DIR:
	[M]ac/Darwin:			export PATH=~/Library/Android/sdk/platform-tools:$PATH
					~/Library/Android/sdk/system-images/android-$API/google_apis_playstore/x86_64/
	
	[L]inux:			export PATH=~/Android/Sdk/platform-tools:$PATH
					~/Android/Sdk/system-images/android-$API/google_apis_playstore/x86_64/
	
	[W]indows:			set PATH=%LOCALAPPDATA%\Android\Sdk\platform-tools;%PATH%
					%LOCALAPPDATA%\Android\Sdk\system-images\android-$API\google_apis_playstore\x86_64\
	
	$API:				25,29,30,S,etc.
	
Except for EnvFixTask, ramdisk.img must be untouched (stock).
	
Options:
	restore				restore all existing .backup files, but doesn't delete them
					- the AVD doesn't need to be running
					- no other Argument after will be processed
	
	InstallKernelModules		install custom build kernel and its modules into ramdisk.img
					- kernel (bzImage) and its modules (initramfs.img) are inside rootAVD
					- both files will be deleted after installation
	
	InstallPrebuiltKernelModules	download and install an AOSP prebuilt kernel and its modules into ramdisk.img
					- similar to InstallKernelModules, but the AVD needs to be online
	
Options are exclusive, only one at the time will be processed.
	
Extra Commands:
	DEBUG				Debugging Mode, prevents rootAVD to pull back any patched file
	
	PATCHFSTAB			fstab.ranchu will get patched to automount Block Devices like /dev/block/sda1
					- other entries can be added in the script as well
					- a custom build Kernel might be necessary

	GetUSBHPmodZ			The USB HOST Permissions Module Zip will be downloaded into /sdcard/Download
	
Extra Commands can be combined, there is no particular order.
	
Notes: rootAVD will
- always create .backup files of ramdisk.img and kernel-ranchu
- replace both when done patching
- show a Menu, to choose the Magisk Version (Stable || Canary || Alpha), if the AVD is online
- make the choosen Magisk Version to its local
- install all APKs placed in the Apps folder

Linux & MacOS

Command Examples:
./rootAVD.sh
./rootAVD.sh ListAllAVDs
./rootAVD.sh EnvFixTask
./rootAVD.sh InstallApps

./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img restore
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img InstallKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG
Command Examples: for ALL installed AVDs
./rootAVD.sh
./rootAVD.sh ListAllAVDs
./rootAVD.sh EnvFixTask
./rootAVD.sh InstallApps

./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/android-automotive-playstore/x86/ramdisk.img
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/android-automotive-playstore/x86/ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/android-automotive-playstore/x86/ramdisk.img restore
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/android-automotive-playstore/x86/ramdisk.img InstallKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/android-automotive-playstore/x86/ramdisk.img InstallPrebuiltKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/android-automotive-playstore/x86/ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/google_apis_playstore/x86_64/ramdisk.img
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/google_apis_playstore/x86_64/ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/google_apis_playstore/x86_64/ramdisk.img restore
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/google_apis_playstore/x86_64/ramdisk.img InstallKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-29/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

./rootAVD.sh ~/Library/Android/sdk/system-images/android-30/google_apis_playstore/x86_64/ramdisk.img
./rootAVD.sh ~/Library/Android/sdk/system-images/android-30/google_apis_playstore/x86_64/ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.sh ~/Library/Android/sdk/system-images/android-30/google_apis_playstore/x86_64/ramdisk.img restore
./rootAVD.sh ~/Library/Android/sdk/system-images/android-30/google_apis_playstore/x86_64/ramdisk.img InstallKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-30/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-30/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img restore
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img InstallKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules
./rootAVD.sh ~/Library/Android/sdk/system-images/android-31/google_apis_playstore/x86_64/ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

Windows

Command Examples:
rootAVD.bat
rootAVD.bat ListAllAVDs
rootAVD.bat EnvFixTask
rootAVD.bat InstallApps

rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img
rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img restore
rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img InstallKernelModules
rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules
rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG
Command Examples: for ALL installed AVDs
./rootAVD.bat
./rootAVD.bat ListAllAVDs
./rootAVD.bat EnvFixTask
./rootAVD.bat InstallApps

./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\android-automotive-playstore\x86\ramdisk.img
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\android-automotive-playstore\x86\ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\android-automotive-playstore\x86\ramdisk.img restore
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\android-automotive-playstore\x86\ramdisk.img InstallKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\android-automotive-playstore\x86\ramdisk.img InstallPrebuiltKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\android-automotive-playstore\x86\ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\google_apis_playstore\x86_64\ramdisk.img
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\google_apis_playstore\x86_64\ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\google_apis_playstore\x86_64\ramdisk.img restore
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\google_apis_playstore\x86_64\ramdisk.img InstallKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-29\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86_64\ramdisk.img
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86_64\ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86_64\ramdisk.img restore
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86_64\ramdisk.img InstallKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img DEBUG PATCHFSTAB GetUSBHPmodZ
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img restore
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img InstallKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules
./rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-31\google_apis_playstore\x86_64\ramdisk.img InstallPrebuiltKernelModules GetUSBHPmodZ PATCHFSTAB DEBUG

Notes

  • 64 Bit Only Systems needs Magisk 23.x
  • In the Menu, you can choose between the newest Magisk, Canary, Stable and Alpha, Version.
  • With the new Option s, you can see and download any other Versions of Magisk
  • Once choosen, the script will make that Version to your local one.
  • Prebuilt Kernel and Modules will be pulled from AOSP
  • Starting Magisk from Terminal via adb shell monkey -p com.topjohnwu.magisk -c android.intent.category.LAUNCHER 1
  • API 28 (Pie) is not supported at all -> because

2 Ways to boot the AVD into Safe Mode

  • 1st Way - If the AVD still boots normal:
    • Tap and Hold the Power Button until the 3 Options appear
    • Tap and Hold the Power Off Button until Reboot to safe mode appears
  • 2nd Way - If the AVD stuck while booting (black screen):
    • Tap and Hold the Volume Down Button
    • The Time Window is between the Launching Emulator Bar is approx half way until the Google Boot Screen appears
  • Confirmation
    • On the Bottom Left Corner reads: Safe mode

Automotive Notes

  • After patching the ramdisk.img and cycle power, switch to user 0 via adb shell am switch-user 0
    • open the Magisk App and the Requires Additional Setup pops up -> reboot AVD
    • switch again to user 0
      • open the Magisk App -> Settings -> Multiuser Mode -> User-Independent -> reboot AVD
  • Every time you want to Grant Su Permissions, switch to user 0 and then back to 10 adb shell am switch-user 10
  • Alternative, you can install the Module magisk-single-user
    • and remove all user higher than 0 i.e. adb shell pm remove-user 13 or adb shell pm remove-user 10

BlueStacks 4 Notes on MacOs

  • Modules are working
  • Zygisk doesn't work
  • The Home Screen Apk closes as soon as Magisk APP is installed
    • but you can start Magisk from Terminal via adb shell monkey -p com.topjohnwu.magisk -c android.intent.category.LAUNCHER 1
    • and Hide the Magisk APP to Settings i.e.
  • ADB Connection is very buggy, adb kill-server is necessary quite often

Links

XDA [GUIDE] How to [Build|Mod|Update] a custom AVD Kernel and its Modules

How to root AVDs without Play Store (Google APIs) out of the box

Windows

  • open a terminal -> win + r cmd
    • add emulator to your PATH
    • find your AVD
    • launch your AVD with the -writable-system argument
     set PATH=%LOCALAPPDATA%\Android\Sdk\emulator;%PATH%
     emulator -list-avds
     	Pixel_4_API_29
     emulator -avd Pixel_4_API_29 -writable-system
    
  • open a 2nd terminal -> win + r cmd
    • enter the following commands one by one
     set PATH=%LOCALAPPDATA%\Android\Sdk\platform-tools;%PATH%
     adb root
     adb shell avbctl disable-verification
     adb disable-verity
     adb reboot
     adb root
     adb remount
     adb shell
     generic_x86_64:/ #
    
Archive ### Magisk v23.0 Alpha Successfully tested with Stock Kernel on * [[Oct. 2021] - Android 12 (S) API 32 Google Apis Play Store x86_64 Sv2 r01 Windows Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/x86_64-Sv2_r01-windows.zip) * [[Oct. 2021] - Android 12 (S) API 32 Google Apis Play Store x86_64 Sv2 r01 Darwin/MacOS Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/x86_64-Sv2_r01-darwin.zip) * [[Oct. 2021] - Android 12 (S) API 31 Google Apis Play Store ARM 64 v8a r08 (M1) Darwin/MacOS Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/arm64-v8a-31_r08-darwin.zip) * [[Oct. 2021] - Android 11 (R) API 30 Google Apis Play Store ARM 64 v8a r10 (M1) Darwin/MacOS Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/arm64-v8a-30_r10-darwin.zip) * [[Oct. 2021] - Android 12 (S) API 31 Google Apis Play Store x86_64 r08 Darwin/MacOS Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/x86_64-31_r08-darwin.zip) * [[Oct. 2021] - Android 11 (R) API 30 Google Apis Play Store x86 r09 Darwin/MacOS Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/x86-30_r09-darwin.zip) * [[Oct. 2021] - Android 11 (R) API 30 Google Apis Play Store x86_64 r10 Darwin/MacOS Production Build](https://dl.google.com/android/repository/sys-img/google_apis_playstore/x86_64-30_r10-darwin.zip)

Magisk v22.1+ Successfully tested with Stock Kernel on

Change Logs

[March 2022]

  • [rootAVD.sh] - Changed the need of a Magisk.zip file
  • [General] - Added Use Case Examples as Gif
  • [General] - Added Option to Download older Magisk Versions
  • [rootAVD.sh] - Added BlueStacks 4 Support on MacOS
  • [General] - Bug fixes

[February 2022]

  • [General] - Updated to Magisk Stable Version 24.1
Archive

Change Logs

[October 2021]

  • [rootAVD.sh] - Added get Up-To-Date Script Routine if Script is broken
  • [rootAVD.sh] - Updated LZ4 decompression Routine
  • [rootAVD.sh] - Updated InstallPrebuiltKernelModules Routine to support ARM64 Kernels
  • [rootAVD.sh] - Updated Busybox Extraction Routine
  • [General] - Added Multiarch Busybox Binarys and 64-Bit Only Support
  • [General] - Added Alpha Channel to the Menu
  • [rootAVD.bat] - Added Shut Down Feature
  • [rootAVD.sh] - Added Shut Down Feature
  • [General] - Added Android 12 (S) API 31 Status
  • [General] - Added Link to Android AppSecs Video about rootAVD

[July 2021]

  • [rootAVD.bat] - Changed TestADB
  • [General] - Added rootCROS Project to Links

[June 2021]

  • [General] - Android 12 (S) r05

[May 2021]

  • [General] - Updated to Magisk App v23.0
  • [rootAVD.sh] - Added "AddRCscripts" Argument that *install all custom .rc scripts, placed in the rootAVD folder, into ramdisk.img/overlay.d/sbin
  • [rootAVD.sh] - Added BusyBox Binary after the rootAVD script
  • [rootAVD.bat] - Added ListAllAVDs and InstallApps as Arguments
  • [rootAVD.sh] - Added "ListAllAVDs" Argument that Lists Command Examples for ALL installed AVDs
  • [rootAVD.sh] - Added "InstallApps" Argument to Just install all APKs placed in the Apps folder
  • [rootAVD.bat] - Added comprehensive Help Menu

[Apr. 2021]

  • [General] - Added comprehensive Help Menu
  • [rootAVD.sh] - Changed "DEBUG" "PATCHFSTAB" "GetUSBHPmodZ" to Arguments
  • [General] - Fixed some typos and functions
  • [rootAVD.sh] - Add a Menu to choose the prebuilt Kernel and Modules Version to install
  • [General] - Added "InstallPrebuiltKernelModules" download/update/install prebuilt kernel and modules
  • [General] - Added 2 Ways to boot the AVD into Safe Mode
  • [rootAVD.sh] - Added Android S rev 3 support
  • [General] - Added "InstallKernelModules" update/install custom build kernel and modules
  • [rootAVD.sh] - Added update_lib_modules function
  • [General] - Added "restore" to put back your backup files
  • [General] - Updated local Magisk App v22.1
  • [rootAVD.sh] - Added Option to Download the USB HOST Permissions Module

[Mar. 2021]

  • [General] - Add a Download Manager Function for bad TLS record using wget
  • [rootAVD.bat] - Adjustments to run with the updated rootAVD.sh
  • [General] - Add a Menu to choose the Magisk Version to install
  • [rootAVD.sh] - Added EnvFixTask Argument to fix Requires Additional Setup in Android S
  • [General] - Changed to BusyBox (D)ASH Standalone
  • [General] - Re-Structured Script
  • [rootAVD.sh] - Added "Additional Setup Required" manually for Android S
  • [rootAVD.sh] - Updated shakalaca's Ramdisk Repack Routine
  • [rootAVD.sh] - Added Compression Detection for LZ4 and GZ
  • [General] - Fixed some bugs and typos
  • [General] - Updated to Magisk App v22.0

Magisk v21.4 Successfully tested with Stock Kernel on

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