- Download Android Virtual Device
- Android Sdk Manager
- Install Android Virtual Device
- Android Virtual Device For Android Studio
- Android Studio Android Device Manager
AVD quickview
- After downloading, extract the zip file and copy it in the path Android Studio plugins android lib device-art-resources. (where x is the platform version number) 3. Launch Android Studio. In Android Studio, go to Tools Android AVD Manager.
- An Android Virtual Device (AVD) is a configuration that defines the characteristics of an Android phone, tablet, Wear OS, Android TV, or Automotive OS device that you want to simulate in the Android Emulator. The AVD Manager is an interface you can launch from Android Studio that helps you create and manage AVDs.
- An Android Virtual Device (AVD) is a device configuration that runs on the Android Emulator. It provides virtual device-specific Android Environment in which we can install & test our Android Application. AVD Manager is a part of SDK Manager to create and manage the virtual devices created.
- Android virtual devices. Each instance of the Android Emulator uses an Android virtual device (AVD) to specify the Android version and hardware characteristics of the simulated device. To effectively test your app, you should create an AVD that models each device on which your app is designed to run.
- You need to create an AVD to run any app in the Android emulator
- Each AVD is a completely independent virtual device, with its own hardware options, system image, and data storage.
- You create AVD configurations to model different device environments in the Android emulator.
In this document
- Creating an AVD
- Managing AVDs
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See Also
Android Virtual Devices (AVDs) are configurations of emulator options that letyou better model an actual device.
Each AVD is made up of:
- A hardware profile. You can set options to define the hardwarefeatures of the virtual device. For example, you can define whether the devicehas a camera, whether it uses a physical QWERTY keyboard or a dialing pad, howmuch memory it has, and so on.
- A mapping to a system image. You can define what version of theAndroid platform will run on the virtual device. You can choose a version of thestandard Android platform or the system image packaged with an SDK add-on.
- Other options. You can specify the emulator skin you want to usewith the AVD, which lets you control the screen dimensions, appearance, and soon. You can also specify the emulated SD card to use with the AVD.
- A dedicated storage area on your development machine, in which is stored thedevice's user data (installed applications, settings, and so on) and emulated SDcard.
You can create as many AVDs as you need, based on the types of devices youwant to model and the Android platforms and external libraries you want to runyour application on.
In addition to the options in an AVD configuration, you can alsospecify emulator command-line options at launch or by using the emulatorconsole to change behaviors or characteristics at run time. For a completereference of emulator options, please see the Emulatordocumentation.
To create and manage AVDs, you use the android tool provided in the AndroidSDK. For more information about how to work with AVDs from insideyour development environment, see Developing in Eclipse withADT or Developing inOther IDEs, as appropriate for your environment.
Creating an AVD
The Android SDK does not include any preconfigured AVDs, soyou need to create an AVD before you can run any application in the emulator(even the Hello World application).
To create an AVD, you use the android tool, a command-line utilityavailable in the
<sdk>/tools/
directory. Managing AVDs is oneof the two main function of the android tool (the other is creating and updatingAndroid projects). Open a terminal window and change to the <sdk>/tools/
directory, if neededTo create each AVD, you issue the command
android create avd
,with options that specify a name for the new AVD and the system image you wantto run on the emulator when the AVD is invoked. You can specify other options onthe command line also, such as to create an emulated SD card for the new AVD, setthe emulator skin to use, or set a custom location for the AVD's files.Here's the command-line usage for creating an AVD:
You can use any name you want for the AVD, but since you are likely to becreating multiple AVDs, you should choose a name that lets you recognize thegeneral characteristics offered by the AVD.
As shown in the usage above, you must use the
-t
(or--target
) argument when creating a new AVD. The argument sets up amapping between the AVD and the system image that you want to use whenever theAVD is invoked. You can specify any Android system image that is available inyour local SDK — it can be the system image of a standard Android platformversion or that of any SDK add-on. Later, when applications use the AVD, they'llbe running on the system that you specify in the -t
argument.To specify the system image to use, you refer to its target ID— an integer — as assigned by the android tool. The target ID is notderived from the system image name, version, or API Level, or other attribute,so you need to have the android tool list the available system images and thetarget ID of each, as described in the next section. You should do thisbefore you run the
android create avd
command.Listing targets
To generate a list of system image targets, use this command:
The android tool scans the
<sdk>/platforms
and<sdk>/add-ons
directories looking for valid system images andthen generates the list of targets. Here's an example of the command output:Selecting a target
Once you have generated the list of targets available, you can look at thecharacteristics of each system image — name, API Level, externallibraries, and so on — and determine which target is appropriate for thenew AVD.
Keep these points in mind when you are selecting a system image target foryour AVD:
- The API Level of the target is important, because your application will notbe able to run on a system image whose API Level is less than that required byyour application, as specified in the
minSdkVersion
attribute ofthe application's manifest file. For more information about the relationshipbetween system API Level and applicationminSdkVersion
, see SpecifyingMinimum System API Version. - Creating at least one AVD that uses a target whose API Level is greater thanthat required by your application is strongly encouraged, because it allows you totest the forward-compatibility of your application. Forward-compatibilitytesting ensures that, when users who have downloaded your application receive asystem update, your application will continue to function normally.
- If your application declares a
uses-library
element in itsmanifest file, the application can only run on a system image in which thatexternal library is present. If you want your application to run on the AVD youare creating, check the application'suses-library
element andselect a system image target that includes that library.
Creating the AVD
When you've selected the target you want to use and made a note of its ID,use the
android create avd
command to create the AVD, supplying thetarget ID as the -t
argument. Here's an example that creates anAVD with name 'my_android1.5' and target ID '2' (the standard Android 1.5 system image in the list above): If the target you selected was a standard Android system image ('Type:platform'), the android tool next asks you whether you want to create a customhardware profile.
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If you want to set custom hardware emulation options for the AVD, enter'yes' and set values as needed. If you want to use the default hardwareemulation options for the AVD, just press the return key (the default is 'no').The android tool creates the AVD with name and system image mapping yourequested, with the options you specified.
If you are creating an AVD whose target is an SDK add-on,the android tool does not allow you to set hardware emulation options. Itassumes that the provider of the add-on has set emulation options appropriatelyfor the device that the add-on is modeling, and so prevents you from resettingthe options.
For a list of options you can use in the
android create avd
command, see the table in Command-line options for AVDs,at the bottom ofthis page. Setting hardware emulation options
When are creating a new AVD that uses a standard Android system image ('Type:platform'), the android tool lets you set hardware emulation options for virtualdevice. The table below lists the options available and the default values, aswell as the names of properties that store the emulated hardware options in the AVD'sconfiguration file (the config.ini file in the AVD's local directory).
Characteristic | Description | Property |
---|---|---|
Device ram size | The amount of physical RAM on the device, in megabytes. Default value is '96'. | hw.ramSize |
Touch-screen support | Whether there is a touch screen or not on the device. Default value is 'yes'. | hw.touchScreen |
Trackball support | Whether there is a trackball on the device. Default value is 'yes'. | hw.trackBall |
Keyboard support | Whether the device has a QWERTY keyboard. Default value is 'yes'. | hw.keyboard |
DPad support | Whether the device has DPad keys. Default value is 'yes'. | hw.dPad |
GSM modem support | Whether there is a GSM modem in the device. Default value is 'yes'. | hw.gsmModem |
Camera support | Whether the device has a camera. Default value is 'no'. | hw.camera |
Maximum horizontal camera pixels | Default value is '640'. | hw.camera.maxHorizontalPixels |
Maximum vertical camera pixels | Default value is '480'. | hw.camera.maxVerticalPixels |
GPS support | Whether there is a GPS in the device. Default value is 'yes'. | hw.gps |
Battery support | Whether the device can run on a battery. Default value is 'yes'. | hw.battery |
Accelerometer | Whether there is an accelerometer in the device. Default value is 'yes'. | hw.accelerometer |
Audio recording support | Whether the device can record audio. Default value is 'yes'. | hw.audioInput |
Audio playback support | Whether the device can play audio. Default value is 'yes'. | hw.audioOutput |
SD Card support | Whether the device supports insertion/removal of virtual SD Cards. Default value is 'yes'. | hw.sdCard |
Cache partition support | Whether we use a /cache partition on the device. Default value is 'yes'. | disk.cachePartition |
Cache partition size | Default value is '66MB'. | disk.cachePartition.size |
Download Android Virtual Device
Default location of the AVD files
When you create an AVD, the android tool creates a dedicated directory for iton your development computer. The directory contains the AVD configuration file,the user data image and SD card image (if available), and any other filesassociated with the device. Note that the directory does not contain a systemimage — instead, the AVD configuration file contains a mapping to thesystem image, which it loads when the AVD is launched.
Android Sdk Manager
The android tool also creates a <AVD name>.ini file for the AVD at theroot of the .android/avd directory on your computer. The file specifies thelocation of the AVD directory and always remains at the root the .android directory.
Install Android Virtual Device
By default, the android tool creates the AVD directory inside
~/.android/avd/
(on Linux/Mac), C:Documents andSettings<user>.android
on Windows XP, and C:Users<user>.android
on Windows Vista. If you want to use a custom location for the AVD directory, you can do so by using the -p <path>
option when you create the AVD: If the .android directory is hosted on a network drive, we recommend usingthe
-p
option to place the AVD directory in another location. The AVD's .ini file remains in the .android directory on the networkdrive, regardless of the location of the AVD directory. Managing AVDs
The sections below provide more information about how to manage AVDs once you've created them.
Moving an AVD
Android Virtual Device For Android Studio
If you want to move or rename an AVD, you can do so using this command:
The options for this command are listed in Command-lineoptions for AVDs at the bottom of this page.
Updating an AVD
If, for any reason, the platform/add-on root folder has its name changed (maybe because the user has installed an update of the platform/add-on) then the AVD will not be able to load the system image that it is mapped to. In this case, the
android list targets
command will produce this output: To fix this error, use the
android update avd
command to recompute the path to the system images.Deleting an AVD
You can use the android tool to delete an AVD. Here is the command usage:
When you issue the command, the android tool looks for an AVD matching the specified name deletes the AVD's directory and files.
Command-line options for AVDs
Android Studio Android Device Manager
The table below lists the command-line options you can use with the android tool.
Action | Option | Description | Comments |
---|---|---|---|
list avds | List all known AVDs, with name, path, target, and skin. | ||
create avd | -n <name> or | The name for the AVD. | Required |
-t <targetID> | Target ID of the system image to use with the new AVD. | Required. To obtain a list of available targets, use android list targets . | |
-c <path> or -c <size>[K|M] | The path to the SD card image to use with this AVD or the size of a new SD card image to create for this AVD. | Examples: -c path/to/sdcard or -c 1000M | |
-f | Force creation of the AVD | By default, if the name of the AVD being created matches that of an existing AVD, the android tool will not create the new AVD or overwrite the existing AVD. If you specify the -f option, however, the android tool will automatically overwrite any existing AVD that has the same name as the new AVD. The files and data of the existing AVD are deleted. | |
-p <path> | Path to the location at which to create the directory for this AVD'sfiles. | ||
-s <name> or -s <width>-<height> | The skin to use for this AVD, identified by name or dimensions. | The android tool scans for a matching skin by name or dimension in theskins/ directory of the target referenced in the -t<targetID> argument. Example: -s HVGA-L | |
delete avd | -n <name> | Delete the specified AVD. | Required |
move avd | -n <name> | The name of the AVD to move. | Required |
-p <path> | The path to the new location for the AVD. | ||
-r <new-name> | Rename the AVD. | ||
update avds | Recompute the paths to all system images. |