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Questions tagged [emulation]

For questions about emulation and emulators, where a computer program is emulating (imitating) the behavior of another program or hardware device.

An emulator is a system which is designed to perform the duties of a different system. An emulator is distinct from a simulator (an emulator is intended to replicate the external behaviour of a system, whereas a simulator replicates the internal behaviour). See:

Emulators are commonly used to allow programs written for one system to be run on a different system. This is desirable when developing for a wide variety of target platforms, or when maintaining old programs designed for deprecated hardware.

One type of emulator that emulates a computer is called a . These are used by companies so they can tests their apps on the emulator rather than on an actual hardware.

Examples of some emulators:

Questions in this tag should relate in some way to the implementation or usage of a computer system which is an emulator.

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I cannot use camera in genymotion emulator

I am using genymotion emulator http://www.genymotion.com/ but when I opened the camera , I got message "cannot connect to the camera " , what is the problem ?
Mohammed Subhi Sheikh Quroush
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Intel HAXM on macOS high sierra (10.13)

Is there any way of using Android emulator on High Sierra (10.13)? When I run ./HAXM\ installation -u It says: HAXM silent installation only supports macOS from 10.8 to 10.12 !
Andrii Kovalchuk
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How to change GENYMOTION screen orientation?

Is it possible to change the orientation of the genymotion emulator? Is there a shotcut or setting to change this? I've tried to google it but have not find it. Any suggestion would be appreciated,thank you.
topxebec
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Android emulator not rotating to landscape

When i try to switch the orientation of my emulator, the emulator window rotates and the orientation of the emulator screen stays as it were. Can anyone tell me what is the reason for this?I have tried all the answers from StackOverflow and nothing…
insomniac
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AVD - PANIC: Could not open... - not a path issue

I want to write an Android app and I've started this morning by loading JDK, eclipse, SDK etc, all from the adt-bundle-windows-x86_64-20130219 from http://developer.android.com. The issue for me right now: [2013-02-27 13:36:26 - Test2] Android…
NigelT
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How to fix "Fail to connect to camera service" exception in Android emulator

I'm getting a Fail to connect to camera service exception when I run my Android app in the emulator. I've read the various existing posts but none have fixed this. It is clearly the Camera.open() call which is failing. I would eventually like to…
Alyoshak
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What's a good source to learn about QEMU?

What book or website would you recommend to learn about QEMU? I'd like to see some usage examples as well as how to use the APIs.
mxg
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How do I emulate a keypress inside a Vim function?

I'll start with code function BigScrollUp() let count = 20 while count > 0 "Press" CTRL-Y <-- how do I emulate this? sleep 5m count -= 1 endwhile endfunction I want to create a function to quickly scroll up and down, with…
Kit
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How to reboot emulator to test ACTION_BOOT_COMPLETED?

Well, I have searched a lot. People say that I need to close the window of emulator to close it. However, I need to reboot the emulator to catch ACTION_BOOT_COMPLETED by my BroadcastReceiver. How can I do that?
user942821
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NFC tag emulation for Android virtual device (AVD)

Is there any way to develop NFC tag reading/writing applications without an NFC enabled phone? Is there a way to create an AVD which has NFC enabled? I have searched and found Open NFC exists, but I cannot find much information about it now. Is it…
Zveratko
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AVD Crash on second monitor

I just installed Android Studio and was trying to get a preview of my application but whenever i start the AVD Emulator on whatever devices or API it crashes, but it only do crash when I swipe the window of the AVD to my second monitor. my computer…
Biscuit
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Where is the new Emulation tab in Chromes console drawer?

I frequently use the overrides tab in Chrome Developer tools to emulate other device such IPhone and IPad, but after upgrading to last version (32.0.1700.76 m) everything in the overrides tab is gone and replaced by a checkbox saying "Show…
Mikael Engver
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What do the Erlang emulator info statements mean?

When I start up my Erlang emulator, there the first bit has a bunch of informational things. (Slightly reformatted for effect.) manoa:~ stu$ erl Erlang (BEAM) emulator version 5.6.5 [source] [smp:2] [async-threads:0] [hipe]…
Stu Thompson
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How to shut down Android emulator via command line

I am unable to stop the emulator from command prompt gracefully. I am using Linux Ubuntu v10.04 (64-bit) and Android v2.3 (API 9 - Gingerbread). I started emulator using its snapshot. Now my concern is to shut down the running instance of Emulator…
Sam
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Physical keyboard inputs wrong characters on Android Emulator

I have been using the physical keyboard on the Android Emulator for a while, but now something is wrong and I get strange symbols when I press any character; it does not matter which keyboard (en/es/fr) is displayed on the screen. Does anyone know…
Felipe Diaz
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