Android emulator for eclipse mac

Each virtual device instance uses a writable user-data image to store user- and session-specific data. For example, it uses the image to store a unique user's installed app data, settings, databases, and files. The file is stored on your development computer and must be loaded at startup. You can view the sdcard. You can browse, send files to, and copy and remove files from a simulated SD card by using the emulator UI or the adb utility while the virtual device is running. You can't remove a simulated SD card from a running virtual device.

To copy files to the SD card file before loading it, you can mount the image file as a loop device and then copy the files. Or use a utility such as the mtools package to copy the files directly to the image.

Using Android 8 and 9 emulators without Android Studio | Andrés Zsögön

The emulator treats the file as a pool of bytes so the SD card format doesn't matter. Note that the -wipe-data option doesn't affect this file. If you want to clear the file, you need to delete the file and then recreate it using the AVD Manager or the mksdcard tool. Changing the size of the file also deletes the file and creates a new file. Note: The Android Emulator is continually under development to make it more reliable.

For status on the issues reported against various command-line options, and to report bugs, see the Android Issue Tracker. For a list of webcams, use the -webcam-list option; for example, webcam0. The second webcam0 is the name used by the OS on the development computer. The second name varies depending on the OS. As of SDK Tools If you don't specify this option, the default is sdcard.

This option clears the data for the virtual device and returns it to the same state as when it was first defined. All installed apps and settings are removed. The -wipe-data option doesn't affect the sdcard. For more information about user data, see Understanding the default directories and files. Debug -debug tags Enable or disable the display of debug messages for one or more tags. Separate multiple tags by a space, comma, or column. Define the tags you want to use in a comma-delimited list. Use the no form to disable a debug message type.

It's a list of space- or comma-separated log filters of the format componentName : logLevel. You can also redirect the same, or other, log messages to the terminal through adb. This option is the same as specifying -debug-init. Network -dns-server servers Use the specified DNS servers. Use the -dns-server option to specify a different list of DNS servers. For more information, see Using the emulator with a proxy.

These are the default values for these options. Specify the maximum network upload and download speeds with one of the following speed values in kbps:. A virtual device normally occupies a pair of adjacent ports: a console port and an adb port. The console of the first virtual device running on a particular machine uses console port and adb port The range is to , allowing for 64 concurrent virtual devices.

If any of the console or adb ports is already in use, the emulator won't start. Note that if the port value is not even and is in the range to , the virtual device will start but not be visible when you use the adb devices command if the adb server starts after the emulator. For this reason, we recommend using an even console port number. The -ports option reports which ports and serial number the emulator instance is using, and warns if there are any issues with the values you provided.

We recommend using the -port option instead, where possible. The -ports option is available for network configurations that require special settings. For more information about setting console and adb ports, see the -port option. After, you can use a tool like Wireshark to analyze the traffic. Note that this option captures all Ethernet packets, and isn't limited to TCP connections. System -accel mode Configure emulator VM acceleration.

Setup Android Emulator on Mac OS X

On Linux, it relies on KVM. Valid values for mode are: auto - Determine automatically if acceleration is supported and use it when possible default. For more information, see Configure Hardware Acceleration. You should use the -engine option for debugging and comparison purposes only. It's useful for debugging only and is the same as specifying -accel off. For more information, see JNI Tips. For example:. By default, the emulator uses the timezone of your development computer. Use this option to specify a different timezone or if the automatic detection isn't working correctly.

Advanced options The following command-line startup options are available, but not commonly used by the average app developer. In the descriptions, the working directory is the current directory in the terminal where you're entering commands. For information about the AVD system directory and data directory , and the files stored within them, see Understanding the default directories and files. Some of these options are appropriate for external app developers, and some of them are used primarily by platform developers.

App developers create Android apps and run them on specific AVDs. Platform developers work on the Android system and run it inside the emulator with no pre-created AVD; they're internal Android team members, not external app developers. Enable bootcharting, with a timeout in seconds. Some Android system images have a modified init system that integrates a bootcharting facility.

You can pass a bootcharting timeout period to the system with this option. If your init system doesn't have bootcharting activated, the option does nothing. This option is primarily useful to platform developers, not external app developers.

Launching Android AVDs

Specify a cache partition image file. Provide a filename, and an absolute path or a path relative to the data directory, to set up a persistent cache file. If the file doesn't exist, the emulator creates it as an empty file. If you don't use this option, the default is a temporary file named cache. For more information, see AVD data directory. Set the cache partition size in MBs. If you don't specify this option, the default is 66 MB. Normally, most app developers don't need this option, unless they need to download very large files that are larger than the default cache.

For more information about the cache file, see AVD data directory. Set the user data partition image file. Provide a filename, and an absolute path or a path relative to the working directory, to set up a persistent user data file. If the file doesn't exist, the emulator creates an image from the default userdata.

If you don't use this option, the default is a file named userdata-qemu. For more information about the user data file, see AVD data directory.

Specify a data directory using an absolute path. Use the bit emulator on bit platforms. Occasionally, this option is useful for testing or debugging. For example, there was an issue where the emulator would sometimes not run on bit Windows, but bit did run; this option was helpful for performing comparisons to debug the issue. Here's an example:. Get help about about disk images. It provides information relevant to both app and platform developers.

Get help about character device specifications. A device parameter is required by some emulator options. Get help about disk images relevant to app developers. Specify the initial version of the data partition. After wiping user data, the emulator copies the contents of the specified file to user data by default, the userdata-qemu. Specify the filename, and an absolute path or a path relative to the working directory. If you don't specify a path, it places the file in the system directory. For more information, see AVD system directory.

Use a specific emulated kernel. If you don't specify a path, the emulator looks in the system directory. If you don't specify this option, the default is kernel-ranchu. Disable audio support for this virtual device. Some Linux and Windows computers have faulty audio drivers that cause different symptoms, such as preventing the emulator from starting. In this case, you can use this option to overcome the issue. Start the emulator without a cache partition. This option is for platform developers only. Inhibit both the automatic load and save operations, causing the emulator to execute a full boot sequence and to lose its state when closed.

It overrides the -snapshot option. Prevent the emulator from saving the AVD state to snapshot storage on exit, meaning that all changes will be lost. Don't try to correct the AVD clock time immediately on snapshot restore. This option can be useful during testing as it avoids a sudden time jump. Time updates are still sent to the AVD about every 15 seconds, however. Start the emulator without mounting a file to store or load state snapshots, forcing a full boot and disabling state snapshot functionality.

This option overrides the -snapstorage and -snapshot options. Disable graphical window display on the emulator. This option is useful when running the emulator on servers that have no display.


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You'll still be able to access the emulator through adb or the console. Set an Android system property in the emulator when it boots. This option can be useful for debugging.

How to Launch Android Emulators and iOS Simulators From the Command Line

Specify a ramdisk boot image. If you don't use this option, the default is the ramdisk. Report the console port to a remote third party before starting emulation. It can be useful for an automated testing script. For more information, use the -help-report-console option as described in Getting detailed help for a specific option.

Create a root shell console on the current terminal. It differs from the adb shell command in the following ways:. Specify the name of a snapshot within a snapshot storage file for automatic start and save operations. Rather than executing a full boot sequence, the emulator can resume execution from an earlier state snapshot, which is usually significantly faster. When you supply this option, the emulator loads the snapshot of that name from the snapshot image and saves it back under the same name on exit.

See the -snapstorage option for information on specifying a snapshot storage file and the default file. Unless you save this information in a different snapshot, any changes since then are lost. You can also create a snapshot from the Emulator Console by using the avd snapshot save name command. Display a list of available snapshots. It prints a table of snapshots that are stored in the snapshot storage file that the emulator was started with, then exits.

If you specify -snapstorage file as well, this command prints a table of the snapshots stored in file. But, alongside the speed bump, it also provides GPS, compass and battery control via some good-looking widgets. Battery control widget. The GPS widget even provides GMaps for selecting mock locations, which is really nice for testing location based apps. Through the Genymotion shell it's also possible to control the device's angle accelerometer , but it would be cool to control it using a widget, something like the Windows phone emulator does.

Genymotion devices with Google Apps also come with the Play Store preinstalled. This comes in handy if you want to test an app from the Play Store quickly. Multiple screen sizes are one of Android developer's worst nightmares. There is a huge number of different screen configurations of Android devices. Genymotion, as well as the default emulator, offers custom configuration of device's screen.

In the list of available devices, select the device for which you want to change screen configuration and click on the monitor icon on the right side. Then simply select one of the predefined screen resolutions or create your own. Be careful when choosing resolution, because you may end up with something rather strange…. The main setback of Genymotion is that it only provides devices with API version 16, 17 and a preview version of Android 4.

So, for testing on that platform you still need either a default emulator or real device, which kind of defeats the purpose of Genymotion as a testing platform. In the future, we can expect even more features, like taking screenshots or video screen capturing which would be great for making demonstration videos.

An accelerometer widget would be cool, and even a camera would be nice, but we can only wait and see. Well, you can never really get rid of real devices, because you'll always want to test an app on a real device before releasing it. But during development I recommend using a Genymotion emulator.

Even though it doesn't cover all major Android OS versions. It's fast, stable, the GPS sensor manipulation is awesome and with the device rotation feature added to the 1.

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Also, deploying apps is almost instant and that can save you a lot of time when you're doing small changes to the app. But you have to watch out since the Genymotion emulator runs faster than real devices themselves, giving you a false impression of the performance of the app. Like this article? Sign up for our monthly newsletter and never miss any of them. Cookies help us deliver our services. By using our services, you agree to our use of cookies. Default Android emulator The great thing about using an emulator for development is that it gives you an opportunity to develop applications without having a real Android device.

Finally - the emulator launches, only to show how slow it actually is. OK, it's slow. So what can we do about it? The screen should now look better and be more responsive. That's because the CPU is not dealing with the tedious work of doing rendering anymore. But, that's still not fast enough.

This will enable virtual machine acceleration capabilities of the Intel CPU for more information check this link. Genymotion by Genymobile Genymotion is a new, fast Android emulator developed by the French company Genymobile. How to use it? Genymotion relies on Oracle VirtualBox to work version 4. Download and install the Genymotion emulator the current version is 1. Select the device and click "Start". OK, it's fast.

Is that it? Battery control widget The GPS widget even provides GMaps for selecting mock locations, which is really nice for testing location based apps. Device angle control and Play Store Through the Genymotion shell it's also possible to control the device's angle accelerometer , but it would be cool to control it using a widget, something like the Windows phone emulator does.

Multiple screen sizes Multiple screen sizes are one of Android developer's worst nightmares. Be careful when choosing resolution, because you may end up with something rather strange… Where it comes short The main setback of Genymotion is that it only provides devices with API version 16, 17 and a preview version of Android 4. And there is no camera, which I don't miss, but could be really useful. Final thoughts Well, you can never really get rid of real devices, because you'll always want to test an app on a real device before releasing it.

Android Studio: Installation and Configuration for Mac OS X

Always test on a real device! Share your thoughts. Hungry for more Android-related news?