Under certain conditions, the emulator takes several minutes to start or fails to start due to a timeout. When the emulator fails to start, you see the following message: App deployment failed. Please try again. The following conditions can result in this error. This configuration is not supported. Not enough memory is available because of other running applications.
Reduce the number of applications that are consuming memory or increase the amount of memory. Generally, any factor that is contributing to poor performance on the system. Begin troubleshooting with the component that has the lowest subscore in the Windows Experience Index, which you can find on the Performance Information and Tools page of Control Panel.
If the emulator was working previously, but does not work now, go through the following tasks. If you are using the emulator for the first time, see Emulator fails to start first use before you try these steps.
Make sure you have at least 4GB system memory and that it is not being consumed by other resource-intensive programs and processes for example, try closing any browser windows.
In Hyper-V Manager, open the Virtual Switch Manager and check to see that you have two network switches; verify that the first one is the internal switch and the second is external.
If the setup is incorrect and you are using Windows 10, you might try to Reinstall network devices using netcfg -d command section 6. If these steps do not resolve the issue, see Emulator fails to start first use for information on 3rd party software that may be interfering with the emulator. For Intel, you essentially need a Core i3, i5 or i7 processor or one of many Xeons. A list of AMD chips is available here. Make sure your computer meets the system requirements.
Verify that the coreinfo tool reports that your computer is SLAT capable. Within the BIOS settings of your computer, make sure that all virtualization technology is enabled. The exact BIOS descriptions may vary for each hardware manufacturer. In general, enable features related to:. Make sure you have at least 4GB system memory and that it is not being consumed by other resource-intensive programs and processes.
Make sure you are running Windows 8 Professional or better Windows Server is not supported. Windows Server is supported, but you must enable Desktop Experience.
You can inspect the Event Viewer to see if there are any Hypervisor errors. Then filter the log by event source, setting the source to Hyper-V-Hypervisor. Check for errors to help identify root cause. If your processor meets the minimum requirements but hypervisor is still failing, consider finding out if there is a BIOS upgrade available for your computer.
If there is one, and you choose to upgrade, be sure to observe all precautions from the manufacturer when upgrading the BIOS such as making sure the BIOS firmware upgrade is not interrupted by a power loss, which may permanently corrupt the BIOS.
In general, it will be up to the developers of those products to update their software to be compatible with Windows 8 and Hyper-V. Work with the developer of the questionable virtualization software to encourage them to upgrade the software to make it compatible with Windows 8 and Hyper-V.
As a workaround , you can disable all third party drivers and applications which may be interfering with the virtual network used by the Emulator to communicate with Visual Studio. These applications may include:. Inspect the manifest file, resources, and DEX files. Compare two APKs to see how your app size changed between app versions.
Install and run your apps faster than with a physical device and simulate different configurations and features, including ARCore, Google's platform for building augmented reality experiences.
Powered by Gradle, Android Studio's build system allows you to customize your build to generate multiple build variants for different devices from a single project. The built-in profiling tools provide realtime statistics for your app's CPU, memory, and network activity. Identify performance bottlenecks by recording method traces, inspecting the heap and allocations, and see incoming and outgoing network payloads.
See the Android Studio release notes. More downloads are available in the download archives. For information on recommended devices and specifications, as well as Android Emulator support, visit chromeos. If you're new to Android development, check out the following resources to get started. Build your first app Start writing code in Android Studio by following the tutorial to Build your first app. Learn Android with interactive video training in the Android Fundamentals Udacity course.
For help installing Android Studio, see the Install guide. Android Studio. Download What's new User guide Preview.
Android Developers. Android Studio Android Studio provides the fastest tools for building apps on every type of Android device. Download Not Available Your current device is not supported. Download options Release notes. More about the layout editor.
More about the APK Analyzer. More about the emulator. More about the editor. More about the build tools. The following video shows each step of the setup procedure when using the recommended.
This prompt is caused by new privacy protection mechanisms for applications that access files under the home directory. So, if your project includes files and libraries in your home directory, and you see this prompt, you can select Don't Allow.
If you're using a bit version of Linux, make sure you first install the required libraries for bit machines. If you are running a bit version of Ubuntu, you need to install some bit libraries with the following command:. The Android Studio Setup Wizard guides you through the rest of the setup, which includes downloading Android SDK components that are required for development.
After installation is complete, launch Android Studio either from the Launcher, or from the Chrome OS Linux terminal by running studio. Content and code samples on this page are subject to the licenses described in the Content License. Android Studio. Download What's new User guide Preview. Meet Android Studio.
Manage your project.
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