In this article, the most common warning messages and issues with the Android SDK Emulator (and solutions) are explained. Performance Warnings Beginning with Visual Studio 2017 version 15.4, a performance warning dialog may be displayed when you first deploy your app to the Android SDK Emulator. These warning dialogs are explained below. Computer Does Not Contain an Intel Procesor When this dialog is displayed, your computer does not have an Intel processor, which is required for acceleration of the Android SDK Emulator. If your computer does not have an Intel processor, we recommend using a physical Android device for development. Hyper-V Is Installed or Active When this dialog is displayed, Hyper-V is installed or active and must be disabled. Explains how to resolve this issue. ![]() HAXM is Not Installed This dialog indicates that your computer has an Intel processor, Hyper-V is disabled, but HAXM is not installed. Describes the steps for installing HAXM. HAXM Process Not Running This dialog is displayed if your computer has an Intel processor, Hyper-V is disabled, Intel HAXM is installed, but the HAXM process is not running. To resolve this issue, open a Command Prompt window and enter the following command: sc query intelhaxm If the HAXM process is running, you should see output similar to the following: SERVICE_NAME: intelhaxm TYPE: 1 KERNEL_DRIVER STATE: 4 RUNNING (STOPPABLE, NOT_PAUSABLE, IGNORES_SHUTDOWN) WIN32_EXIT_CODE: 0 (0x0) SERVICE_EXIT_CODE: 0 (0x0) CHECKPOINT: 0x0 WAIT_HINT: 0x0 If STATE is not set to RUNNING, see to resolve the problem. Other Failures This dialog is displayed if your computer has an Intel processor, Hyper-V is disabled, Intel HAXM is installed, the HAXM process is running, but the emulator fails to start for some unknown reason. To help resolve this error, see. Issue why Android emulator is failing to start for you is not with Xamarin in this instance, but lies in a fact that you are already running a virtual machine on your Mac (e.g. Windows 10 inside Parallels). When you try to start an emulator in Visual studio, you are effectively trying to start a virtual machine. Disabling Performance Warnings If you would rather not see performance warnings, you can disable them. In Visual Studio, click Tools > Options > Xamarin > Android Settings and disable the Warn if AVD acceleration is not supported (HAXM) option: Beginning with Visual Studio for Mac build 7.2 (build 559) or later, a performance warning dialog may be displayed when you first deploy your app to the Android SDK Emulator. These warning dialogs are explained below. HAXM is Not Installed This dialog indicates that HAXM is not installed. Describes the steps for installing HAXM. HAXM Process Not Running This dialog is displayed if the HAXM process is not running. For detailed information to help you resolve this issue, see to resolve the problem. Other Failures This dialog is displayed if the emulator fails to start for some unknown reason. To help resolve this error, see to resolve the problem. Solutions to Common Problems Many common Android SDK Emulator problems can be resolved by making configuring changes to your computer or by installing additional software. The following sections describe these issues and provide solutions. Deployment Issues If you get an error about a failure to install the APK on the emulator or a failure to run the Android Debug Bridge ( adb), verify that the Android SDK can connect to your emulator. To do this, use the following steps: • Launch the emulator from the Android Virtual Device (AVD) Manager (select your virtual device and click Start). • Open a Command Prompt and go to the folder where adb is installed. For example, on Windows, this might be at: C: Program Files (x86) Android android-sdk platform-tools adb.exe. Monrose i am album earthquake. • Type the following command: adb devices • If the emulator is accessible from the Android SDK, the emulator should appear in the list of attached devices. For example: List of devices attached emulator-5554 device • If the emulator does not appear in this list, start the Android SDK Manager, apply all updates, then try launching the emulator again. HAXM Issues If the Android SDK Emulator does not start properly, this is usually caused by problems with HAXM. HAXM issues are often the result of conflicts with other virtualization technologies, incorrect settings, or an out of date HAXM driver. ![]() HAXM Virtualization Conflicts HAXM can conflict with other technologies that use virtualization, such as Hyper-V, Windows Device Guard, and some antivirus software: • Hyper-V – If you are using Windows with Hyper-V enabled, follow the steps in. • Device Guard – Device Guard and Credential Guard can prevent Hyper-V from being disabled on Windows machines. To disable Device Guard and Credential Guard, see. • Antivirus Software – If you are running antivirus software that uses hardware-assisted virtualization (such as Avast), disable or uninstall this software, reboot, and retry the Android SDK Emulator. If the Android SDK Emulator does not start properly, this is usually caused by problems with HAXM. HAXM issues are often the result of conflicts with other virtualization technologies, incorrect settings, or an out of date HAXM driver. Try reinstalling the HAXM driver, using the steps detailed in.
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