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At its I/O developer conference, Google today announced the first beta of the next version of its Android Studio IDE, Arctic Fox. For the most part, the idea here is to bring more of the tooling. Full information with videos and photos about 3ds emulator for pc windows 7 32 bit. I started Android Studio 4.1 in macOS Big Sure 11.0.1 with new ARM cpu M1After installing Rosetta: Yes, it builds!But the Emulator has problems, it shows me CPU does not support VT-xEven ARM im. Download a preview. Android Studio and Android Emulator now contain initial support for core developer workflows when running the Apple silicon (arm64).
Warning:In this video I'm setting up an Android development environment on the new Apple M1 MacBook Air with 16GB of RAM. VIDEO Apple M1 and Android Emulato.
The JCenter repository became read-only on March 31st, 2021. For more information, see JCenter service update.Android Studio Arctic Fox | 2020.3.1 has been released to the stable channel.Download it here.
Android Studio Bumblebee | 2021.1.1 is currently in the Canary and Devchannels.
Android Gradle plugin (AGP) 7.0 has been released to the stable channel.For more information, see the AGP release notes.
For the latest news on releases, including a list of notable fixes ineach release, also see the Release updates.
If you encounter any problems using a preview version of Android Studio, pleaselet us know. Your bug reports help to make AndroidStudio better.
Android Studio Bumblebee | 2021.1.1
Android Testing
Android Studio Bumblebee Canary 8 and AGP 7.1.0 alpha-08 introduce several newfeatures and improvements tohelp you more reliably and scalably run your automated instrumentation tests andsee useful results you can use to debug issues. These are features in additionto those launched in Android Studio Arctic Fox, such as parallel devicetesting and Gradle test runner for unittests.
Unified Gradle test runner
When running instrumented tests, previous versions of Android Studio used theIntelliJ Android instrumented test runner. Meanwhile, the Android Gradle pluginuses Gradle’s own implementation of the Android instrumented test runner. So,depending on whether you run your tests from Android Studio or from the commandline using the Gradle plugin, such as on your continuous integration server, youmight see different test results, such as tests passing using one runner andfailing on another.
To resolve this issue, Android Studio Bumblebee now also uses Gradle’s Androidinstrumented test runner when running your tests. Now, when running yourautomated instrumentation tests from Android Studio, your results are morelikely to be consistent with those you run using the Android Gradle plugin fromthe command line.
If you already have instrumented test configurations saved to your project,they’ll now use Gradle to run tests on your connected device. Otherwise, you cancreate a new instrumented test configuration using the gutter action next toyour test class or method, as shown below.
When running your instrumented tests, you can confirm that Android Studio isusing the Gradle test runner by inspecting the test output in the Test Matrixfor Gradle task output. Although we are improving this feature with each releaseof Android Studio, there are some known issues. If you are experiencing issues, please report abug.You can also disable the new testing pipeline to revert to theold behavior.
Gradle Managed Virtual Devices
In order to improve consistency, performance, and reliability when using AndroidVirtual Devices for your automated instrumented tests, we’re introducing GradleManaged Virtual Devices. This feature allows you to configure virtual testdevices in your project's Gradle files that the build system uses to fullymanage—that is, create, deploy, and tear down—those devices to execute yourautomated tests.
Because this feature grants Gradle visibility into not only the tests you’rerunning, but also the devices’ lifecycle, it’s able to improve the quality ofyour testing experience in the following ways:
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- Handles device-related issues in order to ensure your tests are executed
- Utilizes emulator snapshots to improve device startup time and memory usage, and restore devices to a clean state between tests
- Caches test results and reruns only tests that are likely to provide different results
- Provides a consistent environment for running your tests between local and remote test runs
Get started
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You can specify a virtual device that you want Gradle to use for testing yourapp in your module-level build.gradle
file. The following code sample creates aPixel 2 running API level 29 as a Gradle managed device.
To run your tests using the Gradle managed devices you configured, use thefollowing command. device-name
is the name of the device you configured inyour Gradle build script (such as pixel2api29
), and BuildVariant
is thebuild variant of your app you want to test.
Define groups of devices
To help you scale your tests across multiple device configurations, such asdifferent API levels and form factors, you can define multiple Gradle manageddevices and add them to a named group. Gradle can then execute your tests acrossall the devices in the group in parallel.
The example below shows two managed devices added to a device group calledphoneAndTablet
.
To run your tests using the group of Gradle managed devices, use the followingcommand.
Android Emulator now runs directly inside Android Studio by default
Launching the emulator inside Studio conserves screen real estate,and gives you the ability to write and test your apps inside one windowwithout leaving Android Studio.
When the emulator is running, you'll have access to common emulator actions like rotating,and extended control options like navigation playback. To run the emulator in a separatewindow instead go to File > Settings > Tools > Emulator and deselect Launch in a tool window.
Compatibility with Emulator Snapshots for test failures
Test runs using Gradle managed devices are compatible with Emulator snapshotsfor test failures.That is, when you enable snapshots for test failures when runningtests with managed devices, Gradle will also generate a snapshot for each testassertion failure, so that you can use them to debug the issue later. To usemanaged virtual devices with Emulator snapshots for test failures enabled,simply include the command-line flag to enable snapshots.
Keep in mind, to use the snapshots, you’ll need toimport the test results into Android Studio.
Emulator Snapshots for test failures
When you inspect failed assertions after running instrumented tests, it'ssometimes difficult or time consuming to reproduce that test failure again.However, reproducing those failures on your connected device is critical inhelping you diagnose the issue, either by attaching a debugger or interactingwith the app at the time of failure.
When using Android Studio Bumblebee with In Android Gradle plugin 7.0-alpha13
and higher, you can use Emulator Snapshots for test failures – a quicker way toreproduce test failures when using the Android Emulator. In other words, whenyour instrumented tests running on a connected Emulator encounter a Java orKotlin assertion that fails, the device takes a snapshot at the time of failure.After your test run completes, you can then reload the snapshot on the samedevice in order to reproduce and investigate that failure.
To get started, first update the Android Emulatorto 30.4.3 or higher, then follow these steps:
- Select Run > Edit Configurations … from the menu bar.
- If you don’t already have an instrumented test configuration,create an instrumented test configurationyou want to run.
- Open the instrumented test configuration and select Yes from the dropdownnext to Enable Emulator Snapshots for test failures.
- By default, Android Studio generates up to two snapshots per device, per testrun. To change this maximum number of snapshots, enter the desired amountnext to Max Snapshots per test run.
- If you want to compress snapshots,check the box next to Compress snapshots.
- Click OK.
- Deploy your tests to a virtual device as you normally would.
The Run window should appear and show you the results of your test run. Toload a snapshot, select a failed test that indicates Test results in thecolumn under the device name. In the right side of the tool window, select theRetention tab. After Android Studio validates the snapshot for that testfailure, click the Start retention debug button to load the snapshot to adevice. You can then attach a debugger to investigate the cause of the issue.
Enable snapshots for command-line tests
You can enable emulator snapshots for tests you run from the command line in oneof two ways: by enabling it in your app module’s build.gradle
file or bypassing parameters to the Gradle connectedCheck
task. To enable the feature inyour Gradle buildscript, include the following in your app module’sbuild.gradle
file.
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Note: Due to the large number of write operations during snapshotgeneration, for better performance we recommend using this feature on systemswith an SSD instead of an HDD.Next, start the Android Virtual Device you'd like to use and run your app'sinstrumented tests from the command line, as follows:
Linux and Mac
./gradlew connectedCheck
Windows
gradlew connectedCheck
Alternatively, if you don’t want to enable the feature in your app'sbuild.gradle
file, you can simply pass the following properties in thecommand line:
Import test failures into Android Studio
If you’re running your tests from outside of Android Studio, you need to importyour test results into the IDE in order to use any of the generatedsnapshots.After the tests complete, you should see test results in the<project>/<module>/build/outputs/androidTest-results/connected/
folder. If your test run encountered anassertion failure, you should see a tar
snapshot file for each snapshot thatwas taken. To see the results in Android Studio and load the snapshots to yourrunning virtual device, select Run >Import Tests from File from the menu bar, navigate to the test-result.pb
file from the test results directory, and click Open.
The Run window should appear and show you the results of your test run.
Note: Snapshots must be used on the same workstation and with the samedevice used to generate the snapshot during the test run. Additionally,the device must be started with the same parameters. So, if you started thedevice with Android Studio or the command line, it's recommended you start thedevice using the same method before loading a snapshot.Compress snapshots
Snapshots provide high fidelity in reproducing your test failures, but theyeach consume a large amount of disk space. If you want to instead generatecompressed snapshots, add the following to your build.gradle
file. Keep inmind, compressing snapshots increases the time it takes to complete theprocess and continue with the test execution.
Alternatively, you can pass the following property from the command line.
Disable the new testing pipeline
By default Android Studio Bumblebee uses Gradle to run its instrumentation tests.If you're experiencing issues, you can disable this behavior as follows:
- Select File > Settings > Build, Execution, Deployment > Testing(or Android Studio > Preferences > Build, Execution, Deployment > Testingon MacOS.)
- Uncheck the box next to Run Android instrumented tests using Gradle andclick OK.
If you're using AGP 7.1.0-alpha08
and higher, you can also revert to olderbehaviors by doing one of the following:
- When running Gradle tasks from the command line, use the following commandline parameter:
-Pandroid.experimental.androidTest.useUnifiedTestPlatform=false
- Add the following parameter to your project's
gradle.properties
file:android.experimental.androidTest.useUnifiedTestPlatform=false
To help resolve issues that you might be expereincing, please report abug.
Android Emulator on Apple M1
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credit: Alexander Ziskind
New Apple M1
As you know, the Android emulator can’t run on the Apple M1 with the HAXM and VT-x, which means the performance would be affected, and a better option is to use the physical device. So, when you try to install a new android virtual device (the emulator). You will see this screen:
You can only select arm64 images in the Other Images
category.
ARM64 Image
So, this is not an issue even we choose to use ARM64 images. The point is that when you launch the emulator, you always see the emulator status is offline. The reason why it’s always offline is that the image under the system-images folder is damaged, and you need to replace it with a workable one.
How to solve?
Try to download one of these two images [2], [3]. After downloading one of those two images, unzip the file and replace the folder arm64-v8a
under ~/Library/Android/SDK/system-images/android-S
(if you choose to install Android S). Then restart the emulator. You can see the emulator should be back online again.