Android Virtual Machine
Aquarium Morris
Not Inside a VM - You cannot run a VM-accelerated emulator inside another virtual machine, such as a VirtualBox or VMWare-hosted virtual machine. You must run the emulator directly on your system hardware.
You have vCenter and vSphere Web client use this to edit the VMs config Right click the Your_Windows_GuestOs > Edit Settings > CPU > Check the box "Expose hardware assisted virtualization to the guest OS.
Since my machine was slow with Android Studio I created a virtual machine on windows server on AWS with the best processor and RAM configurations, which gave me seamless programming and execution experience. But to use the emulator I face the error listed below.
I have android emulators running inside VMWare guest. It is utilizing Windows and not Linux, but the principles apply. As has been mentioned, the biggest item is ensuring the the VMWare processor setting for virtualization is checked.
I develop an app that communicates to an external database. I have recently started working from home. For development purposes, both the database and Android Studio are on the same workstation, but the access has to be done via URL, so when the app goes into production the only change is the address being accessed.
Back in the office, my company had a DNS to resolve local addresses for us, so my experience with Android Virtual Devices (AVDs) was seamless. But now that I'm at home I need to set the /etc/hosts file on the virtual machine (and the machine in question uses Googles API, not Google Play, otherwise this would never work).
However, when I close and restart the same virtual machine, now using Android Studio's Device Mananger Play button, the hosts file resets to what it was previously on the AVD. Also, the file system is no longer writable. As a result, I always have to start the AVD via command line.
I do all my development inside virtual machines. This allows me to keep separate development environment for different projects and clients. I wanted to keep this tradition for developing mobile applications but that turned out to be a bit of challenge.
The solution is to have two separate virtual machines running at the same and have them talk to each other. The first guest virtual machine is your development environment (e.g. Windows 10, Visual Studio 2015, etc). The second virtual machine is the Android emulator. To do this you will need enough RAM to run both at the same time. I would also recommend a SSD hard drive. In my case I use 9 GB of RAM (5 for development environment virtual machine, 2 for the Android emulator, and 2 GB for my base OS).
To hook into the emulator from your development environment for debugging, some VirtualBox configuration is required. First, install your Android emulator. During the install of the of the emulator it will prompt to install VirtualBox but you can ignore this if you have VirtualBox already installed.
Open up VirtualBox and you should see the emulators as machines. I had to black out some of the machine because they are named after clients. The Android emulators are listed at the bottom with the last one being the one created by the Xamarin Android Player and the second last one created by Genymotion.
Now open up the network settings for the development environment virtual machine. You probably only have one network adapter enabled and it will be either set to NAT or Bridged. Whatever the case leave it as is. Then enable a second adapter and set it to Host-only Adapter. Then make sure the Name field is the same as the emulator name you noted above.
With PCs I have made good experiences virtualizing the machine when changing to a new system (e.g., buy a new computer, change the operation system). Doing this, you can preserve your old system and restart it virtually if you would like to look up anything about your old system (e.g., a settings within a software tool).
As I have an issue with my not so old smartphone now and probably have to hand it in for repair, I would like to do the same with my Android system. I already did a backup using adb.exe from Android-SDK. Now, I am wondering if these backup-files represent a proper image and if there is a way to initiate these images in a virtual machine!?
ADB backs up Settings + Apps(System + User) + Apps Data + User Data. That's it. The backup made through it doesn't come close to be related to booting it into virtual machine or even a real device. Short story, you have a backup definitely but that's not a system image.
If you want to create a system image, you need to do it through a Nandroid backup or a custom tool. For the former, you require a custom recovery installed. But even that backup cannot be virtualized on a PC, not that I'm aware of any of yet.
However, you can virtualize (running real actually) this Nandroid backup using MultiRom. I did not use MultiRom but I found that folks use it to boot multiple Android OS. I'm yet to be certain whether this backup can be installed in a seconday ROM, I suppose it should be.Besides, the last time I checked for Android virtualization, I got Android 4.3 as the latest available iso when 5.0 for devices was already launched.
But, the apps run really slow since it is 2 virtual machine layers deep. The first layer gets virtualization support with multiple cores, but the 2nd layer (BlueStacks Android emulator) does not get hardware virtualization support, and is therefore single-threaded and very slow.
I noticed this question exists too: What Android emulators are available?, but it's extremely out-of-date. The accepted answer is from 2012. The longest answer was last updated in 2017 and doesn't even mention BlueStacks, which is perhaps an industry leader today, and the other answers are all from 2012 and 2013.
I'm travelling tomorrow and I need to take a basic Linux machine with me. I'd rather just take my tablet than a laptop. So is there a reasonable simple Linux virtual machine that I can install as an Android app. and which I can ssh into with Putty from any PC I find (ideally via the USB cable)?
There is a recent Andronix app which allows running modified distributions without having to root the phone. However, there are many restrictions -started/limitations/ some of which may interfere with the intended usage scenario
(2) I use other OS like windows XP with NAT connection settings to: AMD PCNet FAST III (Am79C973) setting that work nice like internet and everything. so plz give me a other option for android-x86-4.2-20121225 to connect internet ??
In the virtual Android it will not show up but you will be able to browse and access the app store.You will need to change the settings inside of the Android OS to allow big files to be downloaded regardless of the network it want you to use by default, otherwise, for example, large games will not install.
When I am running my android scripts on emulator(Pixel) in local device, it runs smoothly without any delay. But the same script if I try to run on my Virtual machine, the emulators are too slow. It hardly loads and runs the script. There is a huge difference in speed and performance.
Virtual machines often have limited resources compared to a physical machine, which can affect performance.
to improve the performance of emulators on your virtual machine
make sure your virtual machine is allocated enough resources such as CPU, RAM and disk space. Consider increasing allocated resources if possible.
Using Lightweight Emulators for example, you can try using the Android Emulator with x86 system images, which tend to perform better than ARM-based emulators.
I have been using x86 system images. Tried with Pixel-2 and Intel HAXM, still the emulators do not work on Virtual machine. Sometimes the scripts do not even start on emulators. Does GPU plays any role on VM machines? Can there be any other way to work with emulators on VM?
You can do this, but I would not expect the emulator to perform well in such case, as nested emulation takes place there (emulator itself is also a virtual machine). Check -do-I-run-a-Android-emulator-on-a-virtual-machine for more details.
The Android Virtualization Framework (AVF) will be available on upcoming select Android 14 devices. The AVF, first introduced in Android 13 on Pixel devices, provides new capabilities for platform developers working on privileged applications.
With AVF, we are more broadly supporting virtualization to Android. Virtualization is widely used and deployed to isolate workloads and operating systems from each other. It enables efficient scaling of infrastructure, testing environments, legacy software compatibility, creating virtual desktops and much more.
With AVF virtual machines become a core construct of the Android operating system, similar to the way Android utilizes Linux processes. Developers have the flexibility to choose the level of isolation for a virtual machine:
Virtual machines and the applications running inside them are far more portable than trusted applets. For example, a Linux-based virtual machine with a Linux-application payload will work on all devices that support AVF. This means that developers can build an application once and deploy it everywhere. VMs also make porting of existing Linux based applications seamless and easy, compared to porting into a Trustzone operating system.
AVF is designed with developers in mind. Virtual machines can be customized to meet specific use-case needs. Developers can deploy any VM payload as long as it conforms to certain boot and communication protocols specified by AVF.
The hypervisor is focused on open source availability, security, device assignment to VMs and security by isolation between virtual machines. It has a small attack surface that meets a higher security assurance level. AVF APIs and features are fully supported by the protected KVM hypervisor (pKVM).
pKVM is built on top of the industry standard Kernel-based Virtual Machine (KVM) in Linux. It means all existing operating systems and workloads that rely on KVM-based virtual machines can work seamlessly on Android devices with pKVM.
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