Class Index

These are the API classes. See all API packages.

A

AaptParser	Class that extracts info from apk by parsing output of 'aapt dump badging'.
Abi	A class representing an ABI.
AbiFormatter	Utility class for abi.
AbiUtils	Utility class for handling device ABIs
AbstractHostMonitor	Typical class for Host Health Monitoring.
AbstractTargetCleaner	An `ITargetCleaner` class with a stub `setUp(ITestDevice, IBuildInfo)` method
AbstractXmlParser	Helper base class for parsing xml files
AbstractXmlParser.ParseException	Thrown if XML input could not be parsed
AcloudConfigParser	Helper class that parse an Acloud config (used to start a Cloud device instance).
AcloudConfigParser.AcloudKeys	Sets of key that can be searched from the configuration.
ActivityStatusChecker	Status checker for left over activities running at the end of a module.
AdbStopServerPreparer	Target preparer to stop adb server on the host before and after running adb tests.
AdditionalFilesInstaller	A `ITargetPreparer` that pushes all `IBuildInfo#getFiles()` to specific path on device.
AggregatePostProcessor	A metric aggregator that gives the min, max, mean, variance and standard deviation for numeric metrics collected during multiple-iteration test runs, treating them as doubles.
Alarm	A thread which waits for a period of time and then interrupts a specific other thread.
AllTestAppsInstallSetup	A `ITargetPreparer` that installs all apps from a `IDeviceBuildInfo#getTestsDir()` folder onto device.
AltDirBehavior	An enum to define alternative directory behaviors for various test artifact installers/pushers
AndroidJUnitTest	A Test that runs an instrumentation test package on given device using the android.support.test.runner.AndroidJUnitRunner.
AndroidManifestWriter	Helper class for modifying an AndroidManifest.
AoaTargetPreparer	`ITargetPreparer` that executes a series of actions (e.g. clicks and swipes) using the Android Open Accessory (AOAv2) protocol.
AppBuildInfo	A `IBuildInfo` that represents an Android application and its test package(s).
AppDeviceBuildInfo	A `IDeviceBuildInfo` that also contains a `IAppBuildInfo`.
AppSetup	A `ITargetPreparer` that installs an apk and its tests.
AppVersionFetcher	Utility class to get app version string from device.
AppVersionFetcher.AppVersionInfo	App version info types.
ArgsOptionParser	Populates `Option` fields from parsed command line arguments.
ArrayUtil	Utility methods for arrays
AtestRunner	Implementation of `ITestSuite`
AtraceCollector	A `IMetricCollector` that runs atrace during a test and collects the result and log them to the invocation.
AtraceRunMetricCollector	Collects the traces from all the test directory under the given directory from the test device, log the test directory and post process the trace files under the test directory and aggregate the metrics.
AutoLogCollector	Enumeration describing which collector can automatically be handled by the harness.
AveragePostProcessor	Implementation of post processor that calculate the average of the list of metrics.

B

BackgroundDeviceAction	Runs a command on a given device repeating as necessary until the action is canceled.
BaseDeviceMetricCollector	Base implementation of `IMetricCollector` that allows to start and stop collection on `onTestRunStart(com.android.tradefed.device.metric.DeviceMetricData)` and `ERROR(/#onTestRunEnd(com.android.tradefed.device.metric.DeviceMetricData,Map))`.
BaseHostJUnit4Test	Base test class for running host JUnit4 style tests.
BaseLeveledLogOutput	A base implementation for `ILeveledLogOutput` that allows to filtering some tags based on their name or components.
BaseModuleController	Basic implementation of `IModuleController` that should be implemented for checking if a module should run or not.
BaseMultiTargetPreparer	Base implementation of `IMultiTargetPreparer` that allows to disable the object.
BasePostProcessor	The base `IPostProcessor` that every implementation should extend.
BaseTargetPreparer	Base implementation class for `ITargetPreparer` that allows to control whether the object is disabled or not.
BaseTestSuite	A Test for running Compatibility Test Suite with new suite system.
BatteryTemperature
BatteryUnavailableDeviceRecovery	Recovery checker that will trigger a configuration if the battery level is not available.
BinaryState	Enum used to record ON/OFF state with a IGNORE no-op state.
BluetoothUtils	Utility functions for calling BluetoothInstrumentation on device Device side BluetoothInstrumentation code can be found in AOSP at: `frameworks/base/core/tests/bluetoothtests`
BootstrapBuildProvider	A `IDeviceBuildProvider` that bootstraps build info from the test device This is typically used for devices with an externally supplied build, i.e.
BuddyInfoMetricCollector	A `ScheduledDeviceMetricCollector` to collect fragmentation at regular intervals.
Bugreport	Object holding the bugreport files references, compatible of flat bugreport and zipped bugreport (bugreportz).
BugreportCollector	A pass-through `ITestInvocationListener` that collects bugreports when configurable events occur and then calls `ITestInvocationListener#testLog` on its children after each bugreport is collected.
BugreportCollector.Filter
BugreportCollector.Freq
BugreportCollector.Noun
BugreportCollector.Predicate	A full predicate describing when to capture a bugreport.
BugreportCollector.Relation
BugreportCollector.SubPredicate
BugreportzMetricCollector	A `ScheduledDeviceMetricCollector` to collect zipped bugreport at regular intervals.
BugreportzOnFailureCollector	Collect a bugreportz when a test case fails.
BuildError	Thrown if the provided build fails to run.
BuildInfo	Generic implementation of a `IBuildInfo` that should be associated with a `ITestDevice`.
BuildInfoAttributePreparer	A `ITargetPreparer` that adds arbitrary attributes to the `IBuildInfo`.
BuildInfoKey	Class holding enumeration related to build information queries.
BuildInfoKey.BuildInfoFileKey	Enum describing all the known file types that can be queried through `IBuildInfo#getFile(BuildInfoFileKey)`.
BuildInfoRecorder	An `ITargetPreparer` that writes build info meta data into a specified file.
BuildRetrievalError	A fatal error occurred while retrieving the build for testing.
BuildSerializedVersion	Class that contains the current serialization version of all `IBuildInfo`.
BuildTestsZipUtils	A helper class for operations related to tests zip generated by Android build system
BulkEmailer	A email sender utility that allows the following configuration: sent interval,initial burst size, recipients and the total number messages.
BundletoolUtil	Utility class that uses bundletool command line to install the .apks on deivce.
ByteArrayInputStreamSource
ByteArrayList	A class to represent a lightweight byte array.

C

CarModuleController	This controller prevents execution of tests cases on non-automotive devices.
CarryDnaeError	Internal `RuntimeException` to carry `DeviceNotAvailableException` through the JUnit4 framework.
CdmaDeviceFlasher	A class that flashes an image on a physical Android device with a CDMA radio.
CheckPairingPreparer	A `CompanionAwarePreparer` that verifies BT bonding between primary and companion devices
CircularAtraceUtil	An atrace utility developed primarily for identifying the root causes of ANRs during Monkey testing.
CircularByteArray	Data structure for holding a fixed size array that operates as a circular buffer, and tracks the total sum of all values in the array.
ClassNotFoundConfigurationException	`ConfigurationException` for when the class of an object is not found.
ClassPathScanner	Finds entries on classpath.
ClassPathScanner.ClassNameFilter	A `IClassPathFilter` that filters and transforms java class names.
ClassPathScanner.ExternalClassNameFilter	A `ClassNameFilter` that rejects inner classes
ClassPathScanner.IClassPathFilter	A filter for classpath entry paths Patterned after `FileFilter`
ClockworkUtils	A clockwork utility for sharing multi-device logic
CodeCoverageTest	A Test that runs an instrumentation test package on a given device and generates the code coverage report.
CollectingByteOutputReceiver	A `IShellOutputReceiver` which collects the whole shell output into a `byte[]`.
CollectingOutputReceiver	A `IShellOutputReceiver` which collects the whole shell output into one `String`.
CollectingTestListener	A `ITestInvocationListener` that will collect all test results.
CollectorHelper	Helper to do some `IMetricCollector` operations needed in several places.
CommandFileParser	Parser for file that contains set of command lines.
CommandFileParser.CommandLine
CommandInterrupter	Service allowing TradeFederation commands to be interrupted or marked as uninterruptible.
CommandOptions	Implementation of `ICommandOptions`.
CommandResult	Contains the result of a command.
CommandRunner	An alternate TradeFederation entry point that will run command specified in command line arguments and then quit.
CommandRunner.ExitCode	Error codes that are possible to exit with.
CommandScheduler	A scheduler for running TradeFederation commands across all available devices.
CommandScheduler.HostState	Enums of different status of host
CommandStatus	Represents the status of an timed operation.
CommonLogRemoteFileUtil	This utility allows to avoid code duplication across the different remote device representation for the remote log fetching logic of common files.
CommonLogRemoteFileUtil.KnownLogFileEntry	A representation of a known log entry for remote devices.
CompanionAllocator	Base class that takes care of allocating and freeing companion device `getCompanionDeviceSelectionOptions()` should be implemented to describe the criteria needed to allocate the companion device
CompanionAwarePreparer	An `ITargetPreparer` that encapsulates the logic of getting an already allocated companion device.
CompanionAwareTest	Base test class that encapsulates boilerpate of getting and checking companion device Subclass may call `getCompanion()` to retrieve the allocated companion.
CompanionDeviceTracker	A class for allocating and freeing companion devices
CompanionRunCommandTargetPreparer	A `ITargetPreparer` that runs specified commands on the allocated companion device
CompanionTestAppInstallSetup	A `ITargetPreparer` that installs one or more apps from a `IDeviceBuildInfo#getTestsDir()` folder onto an allocated companion device.
ConditionPriorityBlockingQueue<T>	A thread-safe class with `ERROR(/PriorityBlockingQueue)`-like operations that can retrieve objects that match a certain condition.
ConditionPriorityBlockingQueue.AlwaysMatch<T>	A `ConditionPriorityBlockingQueue.IMatcher` that matches any object.
ConditionPriorityBlockingQueue.IMatcher<T>	An interface for determining if elements match some sort of condition.
ConfigCompletor	Implementation of the `Completor` for our TF configurations.
Configuration	A concrete `IConfiguration` implementation that stores the loaded config objects in a map.
ConfigurationDef	Holds a record of a configuration, its associated objects and their options.
ConfigurationDef.ConfigObjectDef	Object to hold info for a className and the appearance number it has (e.g. if a config has the same object twice, the first one will have the first appearance number).
ConfigurationDef.OptionDef	Holds the details of an option.
ConfigurationDescriptor	Configuration Object that describes some aspect of the configuration itself.
ConfigurationDescriptor.LocalTestRunner	Enum used to indicate local test runner.
ConfigurationException	Thrown if configuration could not be loaded.
ConfigurationFactory	Factory for creating `IConfiguration`.
ConfigurationFactory.ConfigLoader	Implementation of `IConfigDefLoader` that tracks the included configurations from one root config, and throws an exception on circular includes.
ConfigurationUtil	Utility functions to handle configuration files.
ConfigUtil	Utility class for creating, interacting with, and pushing statsd configuration files.
ConnectionChecker	Target preparer that waits until an ip address is asigned to any of the specified interfaces.
Console	Main TradeFederation console providing user with the interface to interact Currently supports operations such as add a command to test list devices and their state list invocations in progress list commands in queue dump invocation log to file/stdout shutdown
Console.ArgRunnable<T>	A `Runnable` with a `run` method that can take an argument
Console.CaptureList	A convenience type for `List<List<String>>`
ConsoleReaderOutputStream	An OutputStream that can be used to make `System.out.print()` play nice with the user's `ConsoleReader` buffer.
ConsoleResultReporter	Result reporter to print the test results to the console.
ContentProviderHandler	Handler that abstract the content provider interactions and allow to use the device side content provider for different operations.
CoverageMeasurementForwarder	A dummy test that fowards coverage measurements from the build provider to the logger.
CpuStatsCollector	Helper class which runs `cpustats` continuously on an `ITestDevice` and parses the output.
CpuStatsCollector.CpuStats	Class for holding parsed output data for a single `cpustats` output.
CpuStatsCollector.CpuStatsReceiver	Receiver which parses the output from `cpustats` and optionally logs to a file.
CpuThrottlingWaiter	An `ITargetPreparer` that waits until max frequency on all cores are restored to highest level available
CrashCollector	A `ITargetPreparer` that runs crash collector on device which suppresses and logs crashes during test execution.
CreateUserPreparer	Target preparer for creating user and cleaning it up at the end.

D

DebugHostLogOnFailureCollector	Collector that will gather and log the host-side logs when a test case failure occurs.
DefaultRemoteAndroidTestRunner	Extension of the ddmlib `RemoteAndroidTestRunner` to set some default for Tradefed use cases.
DefaultTestsZipInstaller	A default implementation of tests zip installer.
DeviceBatteryLevelChecker	An `ITargetPreparer` that checks for a minimum battery charge, and waits for the battery to reach a second charging threshold if the minimum charge isn't present.
DeviceBuildDescriptor	A wrapper class for a `IBuildInfo`, that contains helper methods to retrieve device platform build information.
DeviceBuildInfo	A `IBuildInfo` that represents a complete Android device build and (optionally) its tests.
DeviceBuildInfoInjector	A `ITargetPreparer` that inserts `DeviceBuildDescriptor` metadata into the `IBuildInfo`.
DeviceCleaner	Performs reboot or format as cleanup action after test, and optionally turns screen off
DeviceCleaner.CleanupAction
DeviceCleaner.PostCleanupAction
DeviceConcurrentUtil	Contains utility methods and classes for concurrent device side command execution Use `ERROR(/ExecutorService)` to run commands implemented as `ShellCommandCallable`, and use `ERROR(/#joinFuture(String,Future,long))` for synchronization against the `ERROR(/Future)` as returned by `ERROR(/ExecutorService)` for the command execution.
DeviceConcurrentUtil.ShellCommandCallable<V>	A `ERROR(/Callable)` that wraps the details of executing shell command on an `ITestDevice`.
DeviceConfigurationHolder	A concrete `IDeviceConfiguration` implementation that stores the loaded device configuration objects in its attributes.
DeviceDiagTest	A test that diagnoses the devices available to run tests.
DeviceDisconnectedException	Thrown when a device is no longer reachable via it's transport type.
DeviceFailedToBootError	Thrown if a device fails to boot after being flashed with a build.
DeviceFatalError	Thrown when a fatal error has occurred with device, and it should no longer be used for testing.
DeviceFileReporter	A utility class that checks the device for files and sends them to `ITestInvocationListener#testLog(String, LogDataType, InputStreamSource)` if found.
DeviceFlashPreparer	A `ITargetPreparer` that flashes an image on physical Android hardware.
DeviceFlashPreparer.EncryptionOptions	Enum of options for handling the encryption of userdata image
DeviceFolderBuildInfo	A `IDeviceBuildInfo` that also contains other build artifacts contained in a directory on the local filesystem.
DeviceJUnit4ClassRunner	JUnit4 test runner that also accommodate `IDeviceTest`.
DeviceJUnit4ClassRunner.LogAnnotation	Fake annotation meant to carry logs to the reporters.
DeviceJUnit4ClassRunner.MetricAnnotation	Fake annotation meant to carry metrics to the reporters.
DeviceJUnit4ClassRunner.TestLogData	Implementation of `ExternalResource` and `TestRule`.
DeviceJUnit4ClassRunner.TestMetrics	Implementation of `ExternalResource` and `TestRule`.
DeviceJUnit4ClassRunnerBuilder	A `RunnerBuilder` that supplies `DeviceJUnit4ClassRunner`s, specifically used for supplying runners for a `ERROR(LongevitySuite/android.host.test.longevity.LongevitySuite LongevitySuite)` and `LongevityHostRunner`.
DeviceManager
DeviceManager.FastbootDevice
DeviceMetricData	Object to hold all the data collected by metric collectors.
DeviceMonitorMultiplexer	A proxy class to propagate requests to multiple `IDeviceMonitor`s.
DeviceNotAvailableException	Thrown when a device is no longer available for testing.
DeviceParameterizedRunner	JUnit4 style parameterized runner for host-side driven parameterized tests.
DeviceProperties	Common constant definitions for device side property names
DeviceRecoveryModeUtil
DeviceRuntimeException	Thrown when a device action did not results in the expected results.
DeviceSelectionOptions	Container for for device selection criteria.
DeviceSelectionOptions.DeviceRequestedType	The different possible types of placeholder devices supported.
DeviceSettingChecker	Check if device settings have changed during a module run.
DeviceSetup	A `ITargetPreparer` that configures a device for testing based on provided `Option`s.
DeviceSideCollectorSpecification	Tradefed object to specify a device collector defined in: platform_testing/libraries/device-collectors.
DeviceStateMonitor	Helper class for monitoring the state of a `IDevice`.
DeviceStorageFiller	Target preparer to fill up storage so some amount of free space is available.
DeviceStringPusher	Target preparer to write a string to a file.
DeviceSuite	Extends the JUnit4 container `Suite` in order to provide a `ITestDevice` to the tests that requires it.
DeviceTestCase	Helper JUnit test case that provides the `IRemoteTest` and `IDeviceTest` services.
DeviceTestResult	An specialization of `TestResult` that will abort when a `DeviceNotAvailableException` occurs
DeviceTestResult.RuntimeDeviceNotAvailableException
DeviceTestRunOptions	A builder class for options related to running device tests through BaseHostJUnit4Test.
DeviceTestSuite	Helper JUnit test suite that provides the `IRemoteTest` and `IDeviceTest` services.
DeviceUnavailEmailResultReporter	An `EmailResultReporter` that will send email when invocation fails due to a device not available exception.
DeviceUnresponsiveException	A specialization of `DeviceNotAvailableException` that indicates device is visible to adb, but is unresponsive (ie commands timing out, won't boot, etc)
DeviceUtilStatsMonitor	A `IDeviceMonitor` that calculates device utilization stats.
DeviceUtilStatsMonitor.StubDeviceUtil	Enum for configuring treatment of stub devices when calculating average host utilization
DeviceUtilStatsMonitor.UtilizationDesc	Container for utilization stats.
DeviceWiper	A `ITargetPreparer` that wipes userdata
DirectedGraph<V>	A directed unweighted graphs implementation.
DisableSELinuxTargetPreparer	Target preparer that disables SELinux if enabled.
DryRunKeyStore	A keystore for dry-run where any keystore value is always properly replaced and found.
DumpHeapCollector	A `ScheduledDeviceMetricCollector` to collect memory dumps of processes at regular intervals.
DynamicFileStubTest	This is a tradefed test to test tradefed can resolve dynamic file correctly.
DynamicRemoteFileResolver	Class that helps resolving path to remote files.

E

Email	A helper class to send an email.
EmailHostHealthAgent	A `IHostHealthAgent` implementation to send email from Host monitor reports
EmailResultReporter	A simple result reporter base class that sends emails for test results.
EmmaXmlConstants	Constants used when parsing emma xml report.
EnforcedSeLinuxChecker	Status checker that ensures the status of Selinux.
EraseUserDataPreparer	A `ITargetPreparer` that wipes user data on the device.
ExecutableBaseTest	Base class for executable style of tests.
ExecutableHostTest	Test runner for executable running on the host.
ExistingBuildProvider	A `IBuildProvider` that returns an already constructed `IBuildInfo`.

F

FailureEmailResultReporter	An `EmailResultReporter` that sends notifications if either a test failure or invocation failure occurred.
FakeTest	A fake test whose purpose is to make it easy to generate repeatable test results.
FakeTestsZipFolder	A testing fixture that creates a fake unzipped tests folder based on a list of content.
FakeTestsZipFolder.ItemType
FastbootCommandPreparer	Target preparer that triggers fastboot and sends fastboot commands.
FastbootDeviceFlasher	A class that relies on fastboot to flash an image on physical Android hardware.
FastbootHelper	A helper class for fastboot operations.
FatalHostError	An exception that indicates a fatal unrecoverable error has occurred on the host machine running TradeFederation, and that the TradeFederation instance should be shut down.
FileCleaner	A `ITargetCleaner` that removes filesystem files on teardown
FileDownloadCache	A helper class that maintains a local filesystem LRU cache of downloaded files.
FileDownloadCacheFactory	A factory for creating `FileDownloadCache`
FileDownloadCacheWrapper	A wrapper class that provides `FileDownloadCache` facilities while implementing the `IFileDownloader` interface.
FileIdleMonitor	Monitors files and executes a callback if they have been idle (i.e.
FileInputStreamSource	A `InputStreamSource` that takes an input file.
FileLogger	A `ILeveledLogOutput` that directs log messages to a file and to stdout.
FileProtoResultReporter	Proto reporter that dumps the `TestRecord` into a file.
FilePullerDeviceMetricCollector	A `BaseDeviceMetricCollector` that listen for metrics key coming from the device and pull them as a file from the device.
FilePullerLogCollector	Logger of the file reported by the device-side.
FileSystemLogSaver	Save logs to a file system.
FileUtil	A helper class for file related operations
FileUtil.LowDiskSpaceException	Thrown if usable disk space is below minimum threshold.
FilteredResultForwarder	Variant of `ResultForwarder` that only allows a whitelist of `TestDescription` to be reported.
FixedByteArrayOutputStream	An in-memory `ERROR(/OutputStream)` that only keeps a maximum amount of data.
FlashingResourcesParser	A class that parses out required versions of auxiliary image files needed to flash a device.
FlashingResourcesParser.AndroidInfo	A typedef for `Map<String, MultiMap<String, String>>`.
FlashingResourcesParser.Constraint	A filtering interface, intended to allow `FlashingResourcesParser` to ignore some resources that it otherwise might use
FolderBuildInfo	Concrete implementation of a `IFolderBuildInfo`.
FolderSaver	A `ITargetCleaner` that pulls directories off device, compresses and saves it into logging backend.
FormattedGeneratorReporter	Reporter that allows to generate reports in a particular format.

G

GceAvdInfo	Structure to hold relevant data for a given GCE AVD instance.
GceAvdInfo.GceStatus
GceManager	Helper that manages the GCE calls to start/stop and collect logs from GCE.
GceRemoteCmdFormatter	Utility class to format commands to reach a remote gce device.
GceRemoteCmdFormatter.ScpMode	SCP can be used to push or pull file depending of the structure of the args.
GceSshTunnelMonitor	Thread Monitor for the Gce ssh tunnel.
GCSBucketUtil	File manager to download and upload files from Google Cloud Storage (GCS).
GCSBucketUtil.GCSFileMetadata	Simple wrapper for file info in GCS.
GCSCommon	Base class for Gcs operation like download and upload.
GCSConfigurationFactory	A `ConfigurationFactory` loads configs from Google Cloud Storage.
GCSConfigurationFactory.GCSConfigLoader	Extension of `ConfigurationFactory.ConfigLoader` that loads config from GCS, tracks the included configurations from one root config, and throws an exception on circular includes.
GCSConfigurationServer	Config server loads configs from Google Cloud Storage (GCS).
GCSDownloaderHelper	Downloader for GCS bucket that takes care of caching and resolving the global config.
GCSFileDownloader	File downloader to download file from google cloud storage (GCS).
GCSFileUploader	File uploader to upload file data to google cloud storage (GCS).
GCSHostResourceManager	Download host resource from GCS (Google cloud storage).
GcsRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading from a GCS bucket.
GCSTestResourceProvider	Download test resource from GCS.
GlobalConfiguration	An `IGlobalConfiguration` implementation that stores the loaded config objects in a map
GoogleApiClientUtil	Utils for create Google API client.
GoogleBenchmarkResultParser	Parses the results of Google Benchmark that run from shell, and return a map with all the results.
GoogleBenchmarkTest	A Test that runs a Google benchmark test package on given device.
GranularRetriableTestWrapper	A wrapper class works on the `IRemoteTest` to granulate the IRemoteTest in testcase level.
GraphicsStatsMetricCollector	A `ScheduledDeviceMetricCollector` to collect graphics stats at regular intervals.
GTest	A Test that runs a native test package on given device.
GTestBase	The base class of gTest
GTestListTestParser	A result parser for gtest dry run mode with "--gtest_list_tests" parameter.
GTestResultParser	Parses the 'raw output mode' results of native tests using GTest that run from shell, and informs a ITestInvocationListener of the results.
GTestXmlResultParser	Parses the 'xml output mode' results of native tests using GTest that run from shell, and informs a ITestRunListener of the results.

H

HeapHostMonitor	`AbstractHostMonitor` implementation that monitors the heap memory on the host and log it periodically to the history log.
HelloWorldMultiTargetPreparer	An example implementation of a `IMultiTargetPreparer`.
HistoryLogger	TF History Logger, special log that contains only some specific events.
HostGTest	A Test that runs a native test package.
HostMetric	This class represents a host metric sample to be reported.
HostOptions	Host options holder class.
HostStatsdMetricCollector	A `IMetricCollector` that collects statsd metrics from host side using statsd utility commands.
HostTest	A test runner for JUnit host based tests.
HprofAllocSiteParser	Helper class to parse info from an Allocation Sites section of hprof reports.
HttpHelper	Contains helper methods for making http requests
HttpHelper.RequestRunnable	Runnable for making requests with `IRunUtil#runEscalatingTimedRetry(long, long, long, long, IRunnableResult)`.
HttpMultipartPost	Helper class for making multipart HTTP post requests.

I

IAbi	Interface representing the ABI under test.
IAbiReceiver	A test that needs the ABI under test.
IAndroidDebugBridge	Interface definition for `AndroidDebugBridge` methods used in this package.
IAppBuildInfo	* A `IBuildInfo` that represents an Android application and its test package(s).
IBatteryTemperature
IBuildInfo	Holds information about the build under test.
IBuildInfo.BuildInfoProperties	Some properties that a `IBuildInfo` can have to tweak some handling of it.
IBuildProvider	Responsible for providing info regarding the build under test.
IBuildReceiver	A test that needs reference to the build under test.
ICommandOptions	Container for execution options for commands.
ICommandScheduler	A scheduler for running TradeFederation commands.
ICommandScheduler.IScheduledInvocationListener	Listener for invocation events when invocation completes.
ICompressionStrategy	An interface representing a compression algorithm that can be selected at runtime.
IConfiguration	Configuration information for a TradeFederation invocation.
IConfigurationFactory	Factory for creating `IConfiguration`s
IConfigurationReceiver	Simple interface to represent object that accepts an `IConfiguration`.
IConfigurationServer	An interface for config server.
IDeviceBuildInfo	A `IBuildInfo` that represents a complete Android device build and (optionally) its tests.
IDeviceBuildProvider	A `IBuildProvider` that uses information from a `ITestDevice` to retrieve a build.
IDeviceConfiguration	Device Configuration Holder Interface.
IDeviceFlasher	Flashes a device image on a device.
IDeviceFlasher.UserDataFlashOption	Enum of options for handling the userdata image
IDeviceManager	Interface for managing the set of available devices for testing.
IDeviceManager.IFastbootListener	A listener for fastboot state changes.
IDeviceMonitor	Interface for monitoring state of devices.
IDeviceMonitor.DeviceLister	A `Runnable`-like class that should return the known devices and their states.
IDeviceRecovery	Interface for recovering a device that has gone offline.
IDeviceSelection	Interface for device selection criteria.
IDeviceStateMonitor	Provides facilities for monitoring the state of a `IDevice`.
IDeviceTest	Interface for object that needs a reference to a `ITestDevice`.
IDisableable	Interface that describes a Tradefed object that can be disabled.
IEmail	Interface for sending email.
IEmail.Message	Container for email message data.
IFileDownloader	Interface for downloading a remote file.
IFileEntry	Interface definition that provides simpler, mockable contract to `FileEntry` methods.
IFlashingResourcesParser	Interface for providing required versions of auxiliary image files needed to flash a device.
IFlashingResourcesRetriever	Interface for retrieving auxiliary image files needed to flash a device.
IFolderBuildInfo	A simple abstract `IBuildInfo` whose build artifacts are containing in a local filesystem directory.
IFormatterGenerator	Interface describing a formatter for `SuiteResultHolder`.
IGlobalConfiguration	A class to encompass global configuration information for a single Trade Federation instance (encompassing any number of invocations of actual configurations).
IHostCleaner	Cleans up the host after the test run has finished.
IHostHealthAgent	An interface to emit host or device metrics.
IHostMonitor	Interface to dispatch host data
IHostMonitor.HostDataPoint	Generic class for data to be reported.
IHostMonitor.HostMetricType
IHostOptions	Host options holder interface.
IHostResourceManager	Interface to manager host resource.
IHttpHelper	Helper methods for performing http requests.
IHttpHelper.DataSizeException
IInvocationContext	Holds information about the Invocation for the tests to access if needed.
IInvocationContext.TimingEvent
IInvocationContextReceiver	A test that needs reference to the context of the invocation.
IInvocationExecution	Interface describing the actions that will be done as part of an invocation.
IKeyStoreClient	Interface to access a key store for password or sensitive data.
IKeyStoreFactory	Factory for creating `IKeyStoreClient`.
ILeveledLogOutput	Classes which implement this interface provides methods that deal with outputting log messages.
ILogcatReceiver	A class that provides the output of a device's logcat as an `InputStreamSource`.
ILogRegistry	An interface for a `ILogOutput` singleton logger that multiplexes and manages different loggers.
ILogRegistry.EventType	Events that are useful to be logged
ILogSaver	Classes which implement this interface provide methods for storing logs to a central location.
ILogSaverListener	Allows for `ITestInvocationListener`s to listen for when log files are saved.
IManagedTestDevice	A ITestDevice whose lifecycle is managed.
IManagedTestDevice.DeviceEventResponse	Container for a response to a `IManagedTestDevice#handleAllocationEvent(DeviceEvent)` call
IManagedTestDeviceFactory	Creator interface for `IManagedTestDevice`s
IMetricCollector	This interface will be added as a decorator when reporting tests results in order to collect matching metrics.
IMetricCollectorReceiver	Interface for `IRemoteTest`s to implement if they need to get the list of `IMetricCollector`s for the test run.
IModuleController	Interface for controlling if a module should be executed or not.
IModuleController.RunStrategy	Enum describing how the module should be executed.
IModuleParameter	The interface for parameters of suites modules.
IMultiDeviceRecovery	Interface for recovering multiple offline devices.
IMultiDeviceTest	A test that needs reference to all the `ITestDevice` and their associated `IBuildInfo` Most tests should not have a dependency on the build-under-test, and should rely on `ITargetPreparer`s to prepare the test environment.
IMultiTargetPreparer	Prepares the test environment for several devices together.
INativeDevice	Provides an reliable and slightly higher level API to a ddmlib `IDevice`.
INativeDeviceTest	Interface for object that needs a reference to a `INativeDevice`.
IncidentReportCollector	Pulls and processes incident reports that are reported device-side.
InputStreamSource	This interface basically wraps an `ERROR(/InputStream)` to make it clonable.
InstallAllTestZipAppsSetup	A `ITargetPreparer` that installs all apps in a test zip.
InstallApexModuleTargetPreparer
InstallApkSetup	A `ITargetPreparer` that installs one or more apks located on the filesystem.
InstallBuildEnvApkSetup	A `ITargetPreparer` that installs one or more test apks from an Android platform build env.
InstalledInstrumentationsTest	Runs all instrumentation found on current device.
InstantAppHandler	Handler for `ModuleParameters#INSTANT_APP`.
InstrumentationPreparer	A `ITargetPreparer` that runs instrumentation
InstrumentationTest	A Test that runs an instrumentation test package on given device.
InvocationContext	Generic implementation of a `IInvocationContext`.
InvocationData	Class holding all the data related to an invocation.
InvocationExecution	Class that describes all the invocation steps: build download, target_prep, run tests, clean up.
InvocationFailureEmailResultReporter	An `EmailResultReporter` that can also restrict notifications to just invocation failures.
InvocationScope	Scopes a single Tradefed invocation.
InvocationScoped
InvocationScopeModule	Guice module that can be used anywhere in a TF invocation to requests the Guice-Tradefed supported objects.
InvocationsMonitor	A monitor associated with the Tradefed instance in progress.
InvocationStatus	A helper enum to represent the invocation status
InvocationSummaryHelper	Helper class for gathering and reporting `TestSummary` for set of listeners
InvocationToJUnitResultForwarder	A class that listens to `ITestInvocationListener` events and forwards them to a `TestListener`.
InvocationTracker	Information stored for a particular invocation (parent and all its shards).
IonHeapInfoMetricCollector	A `ScheduledDeviceMetricCollector` to collect audio and system memory heaps at regular intervals.
IPostProcessor	Post processors is a Trade Federation object meant to allow the processing of metrics and logs AFTER the tests and BEFORE result reporting.
IRemoteFileResolver	Interface for objects that can resolve a remote file into a local one.
IRemoteTest	A test that reports results directly to a `ITestInvocationListener`.
IReportNotExecuted	In case of an incomplete execution, `IRemoteTest` that implements this interface may report their non-executed tests for improved reporting.
IRescheduler	Interface for rescheduling a config for future execution.
IResumableTest	An `IRemoteTest` that supports resuming a previous aborted test run from where it left off.
IRetriableTest	A `IRemoteTest` that supports retrying if the test aborted before completion.
IRuntimeHintProvider
IRunUtil	Interface for running timed operations and system commands.
IRunUtil.EnvPriority	Enum that defines whether setting or unsetting a particular env.
IRunUtil.IRunnableResult	An interface for asynchronously executing an operation that returns a boolean status.
ISandbox	Interface defining a sandbox that can be used to run an invocation.
ISetOptionReceiver	Implementation of this interface should have an `Option` with a "set-option" name linked to `HostTest#SET_OPTION_NAME`.
IShardableListener	A `ITestInvocationListener` that can be sharded.
IShardableTest	A `IRemoteTest` that can be split into separately executable sub-tests.
IShardHelper	Interface of an object that describes the sharding strategy to adopt for a configuration.
ISystemStatusChecker	An checker that performs checks on system status and returns a boolean to indicate if the system is in an expected state.
ISystemStatusCheckerReceiver	A `IRemoteTest` that requires access to the `ISystemStatusChecker` from the configuration.
ITargetCleaner	Cleans up the target device after the test run has finished.
ITargetPreparer	Prepares the test environment for the test run.
ITerribleFailureHandler	An interface to handle terrible failures from `LogUtil.CLog.wtf(String, Throwable)`
ITestAnnotationFilterReceiver	A runner that can filter which tests to run based on annotations.
ITestCollector	Provides support for test collection; when set, test runner must perform a dry run to collect test cases without actually executing them.
ITestDevice	Provides an reliable and slightly higher level API to a ddmlib `IDevice`.
ITestDevice.ApexInfo	A simple struct class to store information about a single APEX
ITestDevice.MountPointInfo	A simple struct class to store information about a single mountpoint
ITestDevice.RecoveryMode
ITestDeviceMutator	An interface allowing manipulation of the `IManagedTestDevice`.
ITestFileFilterReceiver	A runner that can receive a file specifying which tests to run and/or not to run.
ITestFilterReceiver	A runner that can filter which tests to run.
ITestInvocation	Handles one TradeFederation test invocation.
ITestInvocationListener	Listener for test results from the test invocation.
ITestLifeCycleReceiver	Receives event notifications during instrumentation test runs.
ITestLogger	An entity that can perform logging of data streams of various types.
ITestLoggerReceiver	An entity that can be injected with an `ITestLogger` instance so that it can be used for logging purposes.
ITestSuite	Abstract class used to run Test Suite.
ITestSuite.RetryStrategy	The Retry Strategy to be used when re-running some tests.
ITestSuiteResultLoader	Interface describing an helper to load previous results in a way that can be re-run.
ITestSummaryListener	Interface that allows `ITestInvocationListener` to exchange some limited information via summaries.
ITestsZipInstaller	Installs tests from a tests zip file (as outputted by the build system) on a device.
ITokenProvider	Interface describing an object that can provide the tokens of a particular device.
ITokenRequest	Interface a `IRemoteTest` can implement to expose the fact that it requires a device with a special token.

J

JSONFileKeyStoreClient	A sample implementation where a local JSON file acts a key store.
JSONFileKeyStoreFactory	Implementation of a JSON KeyStore Factory, which provides a `JSONFileKeyStoreClient` for accessing a JSON Key Store File.
JsonHttpTestResultReporter	A result reporter that encode test metrics results and branch, device info into JSON and POST into an HTTP service endpoint
JUnit4ResultForwarder	Result forwarder from JUnit4 Runner.
JUnit4TestFilter	Helper Class that provides the filtering for JUnit4 runner by extending the `Filter`.
JUnitRunUtil	A helper class for directing a `IRemoteTest#run(ITestInvocationListener)` call to a `Test#run(TestResult)` call.
JUnitToInvocationResultForwarder	A class that listens to `TestListener` events and forwards them to an `ITestInvocationListener`.
JUnitXmlParser	Parser that extracts test result data from JUnit results stored in ant's XMLJUnitResultFormatter and forwards it to a ITestInvocationListener.

K

KeyguardControllerState	A container for the keyguard states.
KeyguardStatusChecker	Checks the keyguard status after module execution.
KeyStoreException	Thrown when a fatal key store error happens.
KeyValueConfigPreparer	A `ITargetPreparer` which creates and pushes a simple key/value config file to the device.

L

LargeOutputReceiver	A class designed to help run long running commands collect output.
LaunchCvdHelper	Utility helper to control Launch_cvd in the Cuttlefish VM.
LeakedThreadStatusChecker	Status checker to ensure a module does not leak a running Thread.
LegacySubprocessResultsReporter	A class for freezed subprocess results reporter which is compatible with M & N version of CTS.
ListInstrumentationParser	A `IShellOutputReceiver` that parses the output of a 'pm list instrumentation' query
ListInstrumentationParser.InstrumentationTarget
LocalAppBuildProvider	A `IBuildProvider` that constructs a `IAppBuildInfo` based on a provided local path
LocalDeviceBuildProvider	A `IBuildProvider` that constructs a `IDeviceBuildInfo` based on a provided filesystem directory path.
LocalFolderBuildProvider	A `IBuildProvider` that constructs a `IFolderBuildInfo` based on a provided local path
LocalHostResourceManager	Manager host resource.
LocalRunInstructionBuilder	Utility to compile the instruction to run test locally.
LogcatCrashResultForwarder	Special listener: on failures (instrumentation process crashing) it will attempt to extract from the logcat the crash and adds it to the failure message associated with the test.
LogcatEventParser	Parse logcat input for events.
LogcatEventParser.LogcatEvent	Struct to hold a logcat event with the event type and triggering logcat message
LogcatEventType	Event types for `LogcatEventParser`.
LogcatOnFailureCollector	Collector that will capture and log a logcat when a test case fails.
LogcatReceiver	Class that collects logcat in background.
LogDataType	Represents the data type of log data.
LogFile	Class to hold the metadata for a saved log file.
LogFileSaver	A helper for `ITestInvocationListener`'s that will save log data to a file
LogReceiver
LogRegistry	A `ILogRegistry` implementation that multiplexes and manages different loggers, using the appropriate one based on the `ThreadGroup` of the thread making the call.
LogSaverResultForwarder	A `ResultForwarder` for saving logs with the global file saver.
LogUtil	A logging utility class.
LogUtil.CLog	A shim class for `Log` that automatically uses the simple classname of the caller as the log tag
LongevityHostRunner	A JUnit4-based `Runner` that composes tests run with `DeviceJUnit4ClassRunner` into a `ERROR(LongevitySuite/android.host.test.longevity.LongevitySuite LongevitySuite)`, which runs tests repeatedly to induce stress and randomness.

M

ManagedRemoteDevice	A device running inside a virtual machine that we manage remotely via a Tradefed instance inside the VM.
ManagedTestDeviceFactory	Factory to create the different kind of devices that can be monitored by Tf
MemInfoMetricCollector	A `ScheduledDeviceMetricCollector` to collect memory dumps at regular intervals.
MergeMultiBuildTargetPreparer	A `IMultiTargetPreparer` that allows to pass information from one build to another by naming them and the file key to copy to the other build.
MergeStrategy	Describes how the results should be aggregated when multiple attempts are present.
MetricOption	Annotation for test methods annotated with `@Test`, or if the annotation is part of the annotation list of `TestDescription` that allows to specify some extra parameters useful for: Tuning the behavior of the collectors, filtering some methods.
MetricsXMLResultReporter	MetricsXMLResultReporter writes test metrics and run metrics to an XML file in a folder specified by metrics-folder parameter at the invocationEnded phase of the test.
MetricTestCase	Extension of `TestCase` that allows to log metrics when running as part of TradeFed.
MetricTestCase.LogHolder	Structure to hold a log file to be reported.
MetricUtil	Utility class for pulling metrics from pushed statsd configurations.
ModuleDefinition	Container for the test run configuration.
ModuleListener	Listener attached to each `IRemoteTest` of each module in order to collect the list of results.
ModuleMerger	Helper class for operation related to merging `ITestSuite` and `ModuleDefinition` after a split.
ModuleParameters	Special values associated with the suite "parameter" keys in the metadata of each module.
ModuleParametersHelper	Helper to get the `IModuleParameter` associated with the parameter.
ModuleSplitter	Helper to split a list of modules represented by `IConfiguration` into a list of execution units represented by `ModuleDefinition`.
MultiMap<K, V>	A `ERROR(/Map)` that supports multiple values per key.
MultiUserSetupUtil	Utility to create another user in Cuttlefish VM.

N

NameMangleListener	A proxy listener to translate test method, class, and package names as results are reported.
NativeBenchmarkTest	A Test that runs a native benchmark test executable on given device.
NativeBenchmarkTestParser	A `IShellOutputReceiver` that parses the benchmark test data output, collecting metrics on average time per operation.
NativeBridgeModuleController	A module controller to check if a device support native bridge.
NativeCodeCoverageFlusher	A utility class that clears native coverage measurements and forces a flush of native coverage data from processes on the device.
NativeCodeCoverageListener	A `ResultForwarder` that will pull native coverage measurements off of the device and log them as test artifacts.
NativeDevice	Default implementation of a `ITestDevice` Non-full stack android devices.
NativeDevice.AdbAction	A `DeviceAction` for running a OS 'adb ....' command.
NativeDevice.AdbShellAction
NativeDevice.RebootDeviceAction	`DeviceAction` for rebooting a device.
NativeDeviceStateMonitor	Helper class for monitoring the state of a `IDevice` with no framework support.
NativeLeakCollector	A `ITargetCleaner` that runs 'dumpsys meminfo --unreachable -a' to identify the unreachable native memory currently held by each process.
NativeStressTest	A Test that runs a native stress test executable on given device.
NativeStressTestParser	A `IShellOutputReceiver` that parses the stress test data output, collecting metrics on number of iterations complete and average time per iteration.
NegativeHandler	Handler that specify that nothing should be done and the parameter should not create any extra module.
NestedDeviceStateMonitor	Device state monitor that executes extra checks on nested device to accommodate the specifics of the virtualized environment.
NestedRemoteDevice	Representation of the device running inside a remote Cuttlefish VM.
NetworkNotAvailableException	Thrown when a device is not able to connect to network for testing.
NoApkTestSkipper	Special preparer that allows to skip an invocation completely (preparation and tests) if there are no apks to tests.
NoDeviceException	Thrown when there's no device to execute a given command.
NoisyDryRunTest	Run noisy dry run on a command file.
NotMultiAbiHandler	Special handler that notify the `SuiteModuleLoader` that the secondary abi should not create a module.
NullDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `IDeviceSelection#nullDeviceRequested()` is `true`
NullUtil	A class with utility functions to help with dealing with `null`

O

Option	Annotates a field as representing a `IConfiguration` option.
Option.Importance
OptionClass	Annotates a class as representing a `IConfiguration` object.
OptionCopier	A helper class that can copy `Option` field values with same names from one object to another.
OptionNotAllowedException	Specific `ConfigurationException` when an option is not allowed to be passed in the command line.
OptionSetter	Populates `Option` fields.
OptionSetter.OptionFieldsForName	Container for the list of option fields with given name.
OptionUpdateRule	Controls the behavior when an option is specified multiple times.
OtaDeviceBuildInfo	A `IDeviceBuildInfo` used for over-the-air update testing.
OtatoolsBuildInfo	An `IBuildInfo` that contains otatools artifacts.
OtaToolsDeviceBuildInfo	An `OtaDeviceBuildInfo` that also contains an otatools directory.
OtaZipfileBuildProvider	Provides a `IBuildInfo` based on a local OTA zip file.

P

PackageInfo	Container for an application's package info parsed from device.
PagetypeInfoMetricCollector	A `ScheduledDeviceMetricCollector` to collect free page counts at regular intervals.
Pair<A, B>	Define our own Pair class which contains two objects.
ParentSandboxInvocationExecution	Version of `InvocationExecution` for the parent invocation special actions when running a sandbox.
PerfettoPreparer	Perfetto preparer pushes the config file in to the device at a standard location to which perfetto have access.
PerfettoPullerMetricCollector	Base implementation of `FilePullerDeviceMetricCollector` that allows pulling the perfetto files from the device and collect the metrics from it.
PreloadedClassesPreparer	A `ITargetPreparer` that replaces the preloaded classes file on a device.
PrettyPrintDelimiter	Helper utility that helps to print delimited message that stands out.
PrettyTestEventLogger	Logger matching the events and logging them in order to make it easier to debug.
ProcessInfo	Used to store process related(USER, PID and NAME) information.
ProcessMaxMemoryCollector	A `ScheduledDeviceMetricCollector` to measure peak memory usage of specified processes.
PropertyChanger	A utility class for changing (or adding) items in an Android property file
ProtoResultParser	Parser for the Tradefed results proto format.
ProtoResultParser.TestLevel	Enumeration representing the current level of the proto being processed.
ProtoResultReporter	Result reporter build a `TestRecord` protobuf with all the results inside.
PsParser	Utility used to parse(USER,PID and NAME) from the "ps" command output
PushFileInvoker	A `ITargetPreparer` that pushes files from tests zip onto device, mark them as executable and invokes the binary or script on device.
PushFilePreparer	A `ITargetPreparer` that attempts to push any number of files from any host path to any device path.
PythonBinaryHostTest	Host test meant to run a python binary file from the Android Build system (Soong)
PythonBinaryHostTest.PythonForwarder	Result forwarder to replace the run name by the binary name.
PythonUnitTestResultParser	Interprets the output of tests run with Python's unittest framework and translates it into calls on a series of `ITestInvocationListener`s.
PythonUnitTestRunner	This class is deprecated. Use `PythonBinaryHostTest` instead.
PythonVirtualenvPreparer	Sets up a Python virtualenv on the host and installs packages.

Q

QuotationAwareTokenizer

R

RebootReasonCollector	Collector that collects device reboot during the test run and report them by reason and counts.
RebootTargetPreparer	Target preparer that reboots the device.
ReconnectingRecovery	Recovers a device by re-establishing a TCP connection via the adb server on the host.
RegexTrie<V>	The RegexTrie is a trie where each stored segment of the key is a regex `ERROR(/Pattern)`.
RemoteAndroidDevice	Implementation of a `ITestDevice` for a full stack android device connected via adb connect.
RemoteAndroidVirtualDevice	Extends `RemoteAndroidDevice` behavior for a full stack android device running in the Google Compute Engine (Gce).
RemoteAvdIDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions#gceDeviceRequested()` is `true`
RemoteFileUtil	Utility class to handle file from a remote instance
RemoteInvocationExecution	Implementation of `InvocationExecution` that drives a remote execution.
RemoteManager	Class that receives `RemoteOperation`s via a socket.
RemoteSshUtil	Utility to execute ssh commands on remote instances.
RemoveSystemAppPreparer	A `ITargetPreparer` for removing an apk from the system partition before a test run.
RestartSystemServerTargetPreparer	Target preparer that restarts the system server without rebooting the device.
ResultAndLogForwarder	Forwarder for results and logs events.
ResultForwarder	A `ITestInvocationListener` that forwards invocation results to a list of other listeners.
ResultsPlayer	Special runner that replays the results given to it.
RetentionFileSaver	Helper class for creating a .retention file in a directory.
RetryConfigurationFactory	Factory that handles retrying a command.
RetryingWaitDeviceRecovery	A `WaitDeviceRecovery` which retries its recovery step either indefinitely or for a certain number of iterations.
RetryRescheduler	A special runner that allows to reschedule a previous run tests that failed or where not executed.
RetryRescheduler.RetryType	The types of the tests that can be retried.
RetryResultForwarder	An Extension of `ResultForwarder` that always push to a given attempt number.
RetryResultHelper	Helper class to determine which module or test should run or not.
RootTargetPreparer	Target preparer that performs "adb root".
RunCommandTargetPreparer
RunConfigDeviceRecovery	Generic base `IMultiDeviceRecovery` to run a tradefed configuration to do the recovery step.
RunHostCommandTargetPreparer	Target preparer to run arbitrary host commands before and after running the test.
RunInterruptedException	Thrown when a run operation is interrupted by an external request.
RunNotifierWrapper	Wrapper of `RunNotifier` so we can carry the `DeviceNotAvailableException`.
RuntimeRestartCollector	Collector that collects timestamps of runtime restarts (system server crashes) during the test run, if any.
RunUtil	A collection of helper methods for executing operations.

S

SandboxConfigDump	Runner class that creates a `IConfiguration` based on a command line and dump it to a file.
SandboxConfigDump.DumpCmd
SandboxConfigurationException	Special Configuration Exception coming from the Sandbox setup.
SandboxConfigurationFactory	Special Configuration factory to handle creation of configurations for Sandboxing purpose.
SandboxConfigUtil	A utility class for managing `IConfiguration` when doing sandboxing.
SandboxedInvocationExecution	Special sandbox execution of the invocation: This is the InvocationExection for when we are inside the sandbox running the command.
SandboxInvocationRunner	Run the tests associated with the invocation in the sandbox.
SandboxOptions	Class that can receive and provide options to a `ISandbox`.
ScheduledDeviceMetricCollector	A `IMetricCollector` that allows to run a collection task periodically at a set interval.
ScheduleMultipleDeviceMetricCollector	A `IMetricCollector` that makes runs multiple metric collectors periodically.
ScreenshotOnFailureCollector	Collector that will capture and log a screenshot when a test case fails.
Sdk28ModuleController	A module controller to check if a device is on SDK 28 (Android 9) or above.
Sdk29ModuleController	Only run tests if the device under test is SDK version 29 or above.
SecondaryUserHandler	Handler for `ModuleParameters#SECONDARY_USER`.
SemaphoreTokenTargetPreparer	This is a preparer used to use token to serialize test excution in tradefed host.
SerializationUtil	Utility to serialize/deserialize an object that implements `ERROR(/Serializable)`.
ShardBuildCloner	Helper class that handles cloning a build info from the command line.
ShardHelper	Helper class that handles creating the shards and scheduling them for an invocation.
ShardListener	A `ITestInvocationListener` that collects results from a invocation shard (aka an invocation split to run on multiple resources in parallel), and forwards them to another listener.
ShardMasterResultForwarder	A `ResultForwarder` that combines the results of a sharded test invocations.
ShellOutputReceiverStream	Utility subclass of OutputStream that writes into an IShellOutputReceiver.
ShellStatusChecker	Check if the shell status is as expected before and after a module run.
SimplePerfResult	Object to hold all simpleperf test results
SimplePerfStatResultParser	A utility class to parse simpleperf result.
SimplePerfUtil	Utility class to dispatch simple command and collect results
SimplePerfUtil.SimplePerfType	Enum of simpleperf command options
SimpleStats	A small utility class that calculates a few statistical measures given a numerical dataset.
SizeLimitedOutputStream	A thread safe file backed `ERROR(/OutputStream)` that limits the maximum amount of data that can be written.
Sl4aClient	Sl4A client to interact via RPC with SL4A scripting layer.
Sl4aEventDispatcher	Event dispatcher polls for event and queue them by name to be queried.
Sl4aEventDispatcher.EventSl4aObject	Object returned by the event poller.
SnapshotInputStreamSource	A File-backed InputStreamSource.
StatusCheckerResult	Contains the result of a `ISystemStatusChecker` execution.
StatusCheckerResult.CheckStatus
StdoutLogger	A `ILeveledLogOutput` that directs log messages to stdout.
StopServicesSetup	A `ITargetPreparer` that stops services on the device.
StreamProtoReceiver	A receiver that translates proto TestRecord received into Tradefed events.
StreamProtoResultReporter	An implementation of `ProtoResultReporter`
StreamUtil	Utility class for managing input streams.
StrictShardHelper	Sharding strategy to create strict shards that do not report together,
StringEscapeUtils	Utility class for escaping strings for specific formats.
StringUtil	Utility class for escaping strings for common string manipulation.
StubBuildProvider	No-op empty implementation of a `IBuildProvider`.
StubDevice	Stub placeholder implementation of a `IDevice`.
StubKeyStoreClient	Default stub implementation for KeyStore Client.
StubKeyStoreFactory	Default stub implementation for KeyStore Factory
StubMultiTargetPreparer	Placeholder empty implementation of a `IMultiTargetPreparer`.
StubTargetPreparer	Placeholder empty implementation of a `ITargetPreparer`.
StubTest	No-op empty test implementation.
StubTestRunListener	Stub implementation of `ITestRunListener`
SubprocessEventHelper	Helper to serialize/deserialize the events to be passed to the log.
SubprocessEventHelper.BaseTestEventInfo	Base Helper for TestIgnored information.
SubprocessEventHelper.FailedTestEventInfo	Helper for testFailed information.
SubprocessEventHelper.InvocationEndedEventInfo	Helper for invocation ended information.
SubprocessEventHelper.InvocationFailedEventInfo	Helper for InvocationFailed information.
SubprocessEventHelper.InvocationStartedEventInfo	Helper for invocation started information.
SubprocessEventHelper.LogAssociationEventInfo	Helper for logAssociation information.
SubprocessEventHelper.TestEndedEventInfo	Helper for testEnded information.
SubprocessEventHelper.TestLogEventInfo	Helper for testLog information.
SubprocessEventHelper.TestModuleStartedEventInfo	Helper for test module started information.
SubprocessEventHelper.TestRunEndedEventInfo	Helper for testRunEnded Information.
SubprocessEventHelper.TestRunFailedEventInfo	Helper for testRunFailed information
SubprocessEventHelper.TestRunStartedEventInfo	Helper for testRunStarted information
SubprocessEventHelper.TestStartedEventInfo	Helper for testStarted information
SubprocessResultsReporter	Implements `ITestInvocationListener` to be specified as a result_reporter and forward from the subprocess the results of tests, test runs, test invocations.
SubprocessTestResultsParser	Extends `ERROR(/FileOutputStream)` to parse the output before writing to the file so we can generate the test events on the launcher side.
SubprocessTestResultsParser.StatusKeys	Relevant test status keys.
SubprocessTfLauncher	A `IRemoteTest` for running tests against a separate TF installation.
SuiteApkInstaller	Installs specified APKs for Suite configuration: either from $ANDROID_TARGET_OUT_TESTCASES variable or the ROOT_DIR in build info.
SuiteModuleLoader	Retrieves Compatibility test module definitions from the repository.
SuiteModuleLoader.ConfigFilter	A `ERROR(/FilenameFilter)` to find all the config files in a directory.
SuiteResultHolder	Helper object to ease up serializing and deserializing the invocation results.
SuiteResultReporter	Collect test results for an entire suite invocation and output the final results.
SuiteResultReporter.ModulePrepTimes	Object holder for the preparation and tear down time of one module.
SuiteTestFilter	Represents a filter for including and excluding tests.
SwitchUserTargetPreparer	A `ITargetPreparer` that switches to the specified user kind in setUp.
SystemServerFileDescriptorChecker	Checks if system server appears to be running out of FDs.
SystemServerStatusChecker	Check if the pid of system_server has changed from before and after a module run.
SystemUpdaterDeviceFlasher	A `IDeviceFlasher` that relies on the system updater to install a system image bundled in a OTA update package.
SystemUtil	Utility class for making system calls.
SystemUtil.EnvVariable

T

TableBuilder	Helper class to display a matrix of String elements in a table.
TableFormatter	Helper class to display a matrix of String elements so each element column is lined up
TargetSetupError	A fatal error occurred while preparing the target for testing.
TarUtil	Utility to manipulate a tar file.
TcpDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions#tcpDeviceRequested()` is `true`
TearDownPassThroughPreparer	Allows for running tearDown on preparers that are included in a config as an object.
TelephonyHelper	A utility to use and get information related to the telephony.
TelephonyHelper.SimCardInformation	An information holder for the sim card related information.
TelephonyTokenProvider	Token provider for telephony related tokens.
TemperatureCollector	A `ScheduledDeviceMetricCollector` to measure min and max device temperature.
TemperatureThrottlingWaiter	An `ITargetPreparer` that waits until device's temperature gets down to target
TemplateResolutionError	Class extending `ConfigurationException` for template related error during configuration parsing.
TerribleFailureEmailHandler	A simple handler class that sends an email to interested people when a WTF (What a Terrible Failure) error occurs within a Trade Federation instance.
TestAppInstallSetup	A `ITargetPreparer` that installs one or more apps from a `IDeviceBuildInfo#getTestsDir()` folder onto device.
TestDescription	Class representing information about a test case.
TestDevice	Implementation of a `ITestDevice` for a full stack android device
TestDeviceMutator	Default implementation of `ITestDeviceMutator`
TestDeviceOptions	Container for `ITestDevice` `Option`s
TestDeviceOptions.InstanceType
TestDeviceState	A more fully featured representation of device state than `DeviceState`.
TestFailureEmailResultReporter	An `EmailResultReporter` that can also restrict notifications to just test failures.
TestFailureListener	Listener used to take action such as screenshot, bugreport, logcat collection upon a test failure when requested.
TestFailureModuleController	Controller for module that simply want to tune how the tests failures log collected are behaving.
TestFilePushSetup	A `ITargetPreparer` that pushes one or more files/dirs from a `IDeviceBuildInfo#getTestsDir()` folder onto device.
TestFilterHelper	Helper class for filtering tests
TestInfo	Stores the test information set in a TEST_MAPPING file.
TestInvocation	Default implementation of `ITestInvocation`.
TestInvocation.RunMode	The different mode an invocation can run into.
TestInvocation.Stage
TestLoader	A class for loading all JUnit3 tests in a jar file
TestMapping	A class for loading a TEST_MAPPING file.
TestMappingSuiteRunner	Implementation of `BaseTestSuite` to run tests specified by option include-filter, or TEST_MAPPING files from build, as a suite.
TestOption	Stores the test option details set in a TEST_MAPPING file.
TestRecordInterpreter	Utility to convert a `TestRecord` proto into a more easily manipulable format in Tradefed.
TestRecordProtoUtil	Utility to read the `TestRecord` proto from a file.
TestResult	Container for a result of a single test.
TestRunResult	Holds results from a single test run.
TestRunToTestInvocationForwarder	Forwarder from ddmlib `ITestRunListener` to `ITestLifeCycleReceiver`.
TestsPoolPoller	Tests wrapper that allow to execute all the tests of a pool of tests.
TestSuiteInfo	A class that resolves loading of build related metadata for test suite To properly expose related info, a test suite must include a `test-suite-info.properties` file in its jar resources
TestSummary	A class to represent a test summary.
TestSummary.Type
TestSummary.TypedString
TestSystemAppInstallSetup	A `ITargetPreparer` that installs one or more apps from a `IDeviceBuildInfo#getTestsDir()` folder onto the /system partition on device.
TextResultReporter	A test result reporter that forwards results to the JUnit text result printer.
TfMetricProtoUtil	Utility class to help with the Map to Map transition.
TfSuiteRunner	Implementation of `ITestSuite` which will load tests from TF jars res/config/suite/ folder.
TfTestLauncher	A `IRemoteTest` for running unit or functional tests against a separate TF installation.
TimeSetterTargetPreparer	Target preparer to restore the correct time to the device on cleanup.
TimeStatusChecker	Status checker to ensure that the device and host time are kept in sync.
TimeUtil	Contains time related utility methods.
TimeVal	This is a sentinel type which wraps a `Long`.
TimeWaster	A simple target preparer to waste time and potentially restart the device.
TokenProperty	Supported token with dynamic sharding.
TokenProviderHelper	Helper that gives the provider associated to a particular token, in order to find out if a device supports the token.
TopHelper	Helper class which runs top continuously on an `ITestDevice` and parses the output.
TopHelper.TopStats	Class for holding the parsed output for a single top output.
TraceCmdCollector	A `IMetricCollector` that collects traces during the test using trace-cmd, and logs them to the invocation.
TraceMetricCollector	A `ScheduledDeviceMetricCollector` to collect kernel debug trace at regular intervals.
TradefedSandbox	Sandbox container that can run a Trade Federation invocation.
TradefedSandboxRunner	Runner associated with a `TradefedSandbox` that will allow executing the sandbox.
TradefedSandboxRunner.StubScheduledInvocationListener	A stub `IScheduledInvocationListener` that does nothing.

U

UiAutomatorRunner	Runs UI Automator test on device and reports results.
UiAutomatorTest
UiAutomatorTest.LoggingOption
UiAutomatorTest.TestFailureAction
UnexecutedTestReporterThread	Threads that takes care of reporting all unexecuted tests.
UniqueMultiMap<K, V>	A `MultiMap` that ensures unique values for each key.
UsbResetMultiDeviceRecovery	A `IMultiDeviceRecovery` which resets USB buses for offline devices.
UserChecker	Checks if users have changed during the test.
UserCleaner	A `ITargetCleaner` that removes secondary users on teardown.
UserInfo	Similar to UserInfo class from platform.
UserInfo.UserType	Supported variants of a user's type in external APIs.

V

ValidateSuiteConfigHelper	This class will help validating that the `IConfiguration` loaded for the suite are meeting the expected requirements: - No Build providers - No Result reporters
Verify	Alternate Trade Federation entrypoint to validate command files
VersionedFile	Data structure representing a file that has an associated version.
VersionedTfLauncher	A `IRemoteTest` for running tests against a separate TF installation.
VersionParser	Fetch the version of the running tradefed artifacts.
VmRemoteDevice	A Remote virtual device that we will manage from inside the Virtual Machine.

W

WaitDeviceRecovery	A simple implementation of a `IDeviceRecovery` that waits for device to be online and respond to simple commands.
WaitForDeviceDatetimePreparer	A `ITargetPreparer` that waits for datetime to be set on device Optionally this preparer can force a `TargetSetupError` if datetime is not set within timeout, or force host datetime onto device,
WifiHelper	Helper class for manipulating wifi services on device.
WifiPreparer	A `ITargetPreparer` that configures wifi on the device if necessary.

X

XmlDefsTest	Runs a set of instrumentation test's defined in test_defs.xml files.
XmlFormattedGeneratorReporter	Implementation of the `FormattedGeneratorReporter` which format the suite results in an xml format.
XmlResultReporter	Writes JUnit results to an XML files in a format consistent with Ant's XMLJUnitResultFormatter.
XmlRpcHelper	A mechanism to simplify writing XmlRpc.
XmlSuiteResultFormatter	Utility class to save a suite run as an XML.
XmlSuiteResultFormatter.RunHistory	Helper object for JSON conversion.

Z

ZipCompressionStrategy	An `ICompressionStrategy` for creating zip archives.
ZipUtil	A helper class for compression-related operations
ZipUtil2	A helper class for zip extraction that takes POSIX file permissions into account