Starting March 27, 2025, we recommend using android-latest-release instead of aosp-main to build and contribute to AOSP. For more information, see Changes to AOSP.

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'.
AaptParser.AaptVersion	Enum of options for AAPT version used to parse APK files.
Abi	A class representing an ABI.
AbiFormatter	Utility class for abi.
AbiUtils	Utility class for handling device ABIs
AbLocalBuildProvider	Local build provider that creates a local build on Android build.
AbstractConnection	Abstract connection representation.
AbstractHostMonitor	Typical class for Host Health Monitoring.
AbstractTunnelMonitor	Abstract tunnel monitor for GCE AVD.
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.
ActionInProgress	The general action in progress.
ActiveTrace	Main class helping to describe and manage an active trace.
ActivityStatusChecker	Status checker for left over activities running at the end of a module.
AdbCommandRejectedException	Exception thrown when adb refuses a command.
AdbDevice	Holds the state of a device as reported by the "adb devices -l" command.
AdbDeviceConnection	Represents a connection to a device through ADB for use with `ERROR(/com.android.incfs.install.IncrementalInstallSession.Builder#execute(Executor,com.android.incfs.install.IDeviceConnection.Factory,ILogger))`.
AdbDeviceConnection.Factory
AdbHelper	Helper class to handle requests and connections to adb.
AdbHelper.AdbResponse	Response from ADB.
AdbHelper.AdbService	Identify which adb service the command should target.
AdbInitOptions	Options for initialization of AndroidDebugBridge.
AdbInitOptions.Builder	Builds initialization options for ADB.
AdbRootElevator	An `AutoCloseable` that enables adb root when constructed if needed and restores root state when complete.
AdbSocketUtils
AdbSshConnection	Adb connection over an ssh bridge.
AdbStopServerPreparer	Target preparer to stop adb server on the host before and after running adb tests.
AdbTcpConnection	Default connection representation of a device, assumed to be a standard adb connection of the device.
AdbUtils	A utility class for adb operations.
AdbVersion
AfterClassWithInfo	Similar guarantees as `AfterClass` but method annotated must require a `TestInformation` parameter.
AggregatePostProcessor	A metric aggregator that gives the min, max, mean, variance, standard deviation, total, count and optionally percentiles for numeric metrics collected during multiple-iteration test runs, treating them as doubles.
AllocationInfo	Holds an Allocation information.
AllocationInfo.AllocationSorter
AllocationInfo.SortMode
AllocationsParser
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
AnalysisHeuristic	Order is important.
AndroidBuildAPIException	An exception class for Android Build API related error.
AndroidBuildAPIHelper	Helper method used to create an Android Build client.
AndroidBuildApiLogSaver	A class that saves log files to the Android Build API.
AndroidBuildAPIOptions	Hostwide configuration options for the Android Build API client.
AndroidBuildTestResult	Container object to store the test result to post to the Android Build API.
AndroidDebugBridge	A connection to the host-side android debug bridge (adb) This is the central point to communicate with any devices, emulators, or the applications running on them.
AndroidDebugBridge.IClientChangeListener	Classes which implement this interface provide methods that deal with `ClientImpl` changes.
AndroidDebugBridge.IDebugBridgeChangeListener	Classes which implement this interface provide a method that deals with `AndroidDebugBridge` changes (including restarts).
AndroidDebugBridge.IDeviceChangeListener	Classes which implement this interface provide methods that deal with `IDevice` addition, deletion, and changes.
AndroidJUnitTest	A Test that runs an instrumentation test package on given device using the android.support.test.runner.AndroidJUnitRunner.
AndroidTestOrchestratorRemoteTestRunner	Runs an instrumented Android test using the adb command and AndroidTestOrchestrator.
AoaTargetPreparer	`ITargetPreparer` that executes a series of actions (e.g. clicks and swipes) using the Android Open Accessory (AOAv2) protocol.
ApiResponse	Class to parse the return value of the API.
ApiResponse.Candidate
ApiResponse.UsageMetadata
ApkChangeDetector	This class detects whether the APKs to be installed are different from those on the device, in order to decide whether to skip app installation and uninstallation during `ERROR(/TestAppInstallSetup)`'s setUp and tearDown.
AppBuildInfo	A `IBuildInfo` that represents an Android application and its test package(s).
AppDeviceBuildInfo	This class is deprecated. Use `IDeviceBuildInfo` directly.
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.
ArchModuleController	Module controller to not run tests when it doesn't match any given architectures.
ArgsOptionParser	Populates `Option` fields from parsed command line arguments.
ArrayHelper	Utility class providing array to int/long conversion for data received from devices through adb.
ArrayUtil	Utility methods for arrays
ArtChrootPreparer	Create chroot directory for ART tests.
ArtGTest
ArtifactDetails	This describes the structure of the content and its descriptor as generated by the CAS tool
ArtifactDetails.ArtifactFileDescriptor
ArtifactsAnalyzer	A utility that helps analyze the build artifacts for insight.
ArtRunTest	A test runner to run ART run-tests.
ArtRunTest.AdbShellCommandException	An exception class to report an error that occurred during the execution of an ADB shell command.
ArtTest
ATestFileSystemLogSaver	This LogSaver class is used by ATest to save logs in a specific path.
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.
AutomatedReporters	Class that defines the mapping from Tradefed automated reporters.
AvdData	Avd data returned from [IDevice.getAvdData].
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.
BadPacketException	Thrown if the contents of a packet are bad.
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))`.
BaseEmulatorPreparer	Common preparer for launching a local emulator.
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.
BaseRetryDecision	Base implementation of `IRetryDecision`.
BaseStreamLogger<OS extends OutputStream>	A `ILeveledLogOutput` that directs log messages to an output stream and to stdout.
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.
BatchChannel<T>	Helper class to batch upload test result and artifacts.
BatchChannel.BatchUploadAction<T>	Action to be performed when a batch of items is ready to be uploaded.
BatteryController	Utility class that allows to control the battery charging state of a device.
BatteryRechargeDeviceRecovery	Allow to trigger a command when the battery level of the device goes under a given threshold.
BatteryTemperature
BatteryUnavailableDeviceRecovery	Recovery checker that will trigger a configuration if the battery level is not available.
BeforeClassWithInfo	Similar guarantees as `BeforeClass` but method annotated must require a `TestInformation` parameter.
BinaryState	Enum used to record ON/OFF state with a IGNORE no-op state.
BluetoothConnectionLatencyCollector	The collector will push a pre-defined statsd duration metric config to devices and collect Bluetooth connection duration for each profile.
BluetoothConnectionStateCollector	This collector will collect BluetoothConnectionStateChanged metrics and record connection state number for each profile.
BluetoothConnectionSuccessRatePostProcessor	Implementation of postprocessor which calculates success rate for a bluetooth profile Use "metric-key-match" to specify metrics which contain bluetooth connection states in numeric array Example [0, 1, 2, 3, 0, 1, 2, 3].
BluetoothHciSnoopLogCollector	Collector to enable Bluetooth HCI snoop logging on the DUT and to collect the log for each test.
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.
BootstrapServiceFileResolverLoader	Loads resolvers using the service loading facility.
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
BugreportzOnFailureCollector	Collect a bugreportz when a test case fails.
BugreportzOnTestCaseFailureCollector	Collect a bugreportz when a test case in a run fails.
BuildAnalysis	Represents the results of a single build analysis.
BuildError	Thrown if the provided build fails to run.
BuildInfo	Generic implementation of a `IBuildInfo` that should be associated with a `ITestDevice`.
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(com.android.tradefed.build.BuildInfoKey.BuildInfoFileKey)`.
BuildInfoRecorder	An `ITargetPreparer` that writes build info meta data into a specified file.
BuildInfoUtil	A util class to help manipulate `IBuildInfo`
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.
ByteArrayUtil	Utilities to operate on byte array, e.g., convert bytes to integer.
ByteBufferUtil
ByteStreamDownloader	A client implementing the `Read` method of the `ByteStream` gRPC service.
ByteStreamUploader	A client implementing the `Write` method of the `ByteStream` gRPC service.

C

CacheClientFactory	A factory that creates a singleton instance of `ICacheClient`.
CanceledException	Abstract exception for exception that can be thrown when a user input cancels the action.
CapabilitiesNewReply	The payload of a CapabilitiesNew reply of the JDWP protocol.
CarModuleController	This controller prevents execution of tests cases on non-automotive devices.
CarryDnaeError	Internal `RuntimeException` to carry `DeviceNotAvailableException` through the JUnit4 framework.
CarryInterruptedException	Thrown when test phase timeout is triggered and an InterruptedException needs to be carried from test execution thread to invocation execution thread.
CasFuseDriverProfile	CasDriverProfile is a specific implementation of IFuseDriverProfile for device images which are FastCDC chunked directories.
CdmaDeviceFlasher	A class that flashes an image on a physical Android device with a CDMA radio.
CecControllerTokenProvider	Token provider for Consumer Electronics Control (CEC) related tokens.
CentralDirectoryInfo	CentralDirectoryInfo is a class containing the information of a file/folder inside a zip file.
CheckPairingPreparer	A `CompanionAwarePreparer` that verifies BT bonding between primary and companion devices
Chunker	Splits a `blob` into one or more `Chunk`s of at most `chunkSize` bytes.
Chunker.Chunk	A piece of a blob.
ChunkHandler	Subclass this with a class that handles one or more chunk types.
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.
ClangCodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull Clang coverage measurements off of the device and log them as test artifacts.
ClangProfileIndexer	A utility class that indexes Clang code coverage measurements.
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`
Client	This represents a single client, usually a Dalvik VM process.
Client	Android Test storage client that uploads test results to the Test Storage service.
ClientData	Contains the data of a `ClientImpl`.
ClientData.AllocationTrackingStatus
ClientData.DebuggerStatus
ClientData.HeapData	Heap Information.
ClientData.HeapInfo
ClientData.HprofData
ClientData.HprofData.Type
ClientData.IAllocationTrackingHandler
ClientData.IHprofDumpHandler	Handlers able to act on HPROF dumps.
ClientData.IMethodProfilingHandler	Handlers able to act on Method profiling info
ClientData.MethodProfilingStatus
ClientData.Names
ClientImpl	This represents a single client, usually a Dalvik VM process.
ClientTracker	Tracks device `clients`
ClockworkUtils	A clockwork utility for sharing multi-device logic
CloseableTraceScope	A scoped class that allows to report tracing section via try-with-resources
ClusterBuildInfo	A `IBuildInfo` class for builds piped from TFC.
ClusterBuildProvider	A `IBuildProvider` to download TFC test resources.
ClusterClient	A `IClusterClient` implementation for interacting with the TFC backend.
ClusterCommand	A class that represents a task fetched from TF Cluster.
ClusterCommand.RequestType
ClusterCommand.State	Command's status in the TF cluster.
ClusterCommandConfigBuilder	A class to build a configuration file for a cluster command.
ClusterCommandEvent	A class to encapsulate cluster command events to be uploaded.
ClusterCommandEvent.Builder
ClusterCommandEvent.Type
ClusterCommandLauncher	A `IRemoteTest` class to launch a command from TFC via a subprocess TF.
ClusterCommandScheduler	A `ICommandScheduler` to support TFC (Tradefed Cluster).
ClusterCommandStatus	A class that represents the state and the cancel reason for a command from TF Cluster.
ClusterDeviceInfo	A class to encapsulate cluster device info to be uploaded.
ClusterDeviceInfo.Builder
ClusterDeviceMonitor	An `IDeviceMonitor` implementation that reports results to the Tradefed Cluster service.
ClusterEventUploader<T extends IClusterEvent>	ClusterEventUploader class, which uploads `IClusterEvent` to TFC.
ClusterHostEvent	A class to encapsulate cluster host events to be uploaded.
ClusterHostEvent.Builder
ClusterHostEvent.HostEventType	Enums of the different types of host events.
ClusterHostUtil	Static util functions for TF Cluster to get global config instances, host information, etc.
ClusterLogSaver	A `ILogSaver` class to upload test outputs to TFC.
ClusterLogSaver.FilePickingStrategy	File picking strategies.
ClusterOptions
CodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull Java and native coverage measurements off of the device and log them as test artifacts.
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`.
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.
CommandBaselineSetter	A common setter to handle device baseline settings via adb shell commands.
CommandFileParser	Parser for file that contains set of command lines.
CommandFileParser.CommandLine
CommandInterrupter	Service allowing TradeFederation commands to be interrupted or marked as uninterruptible.
CommandLineBuildInfoBuilder	Utility meant to capture the usual build information arguments from a command line and create a `IBuildInfo` from them.
CommandOptions	Implementation of `ICommandOptions`.
CommandOptionsGetter	Service implementation that returns the command options value of a given invocation.
CommandRejectedException
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.
CommandStatusHandler	Handler helping to monitor and update the status of an invocation.
CommandSuccessModuleController	Base class for a module controller to skip test module based on shell command failure.
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.
CompileBootImageWithSpeedTargetPreparer	Recompiles the boot classpath and system server with the compiler filter 'speed'.
ConditionFailureMonitor	Monitor for any failures from the invocation.
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.
ConfigCompleter	Implementation of the `Completer` for our TF configurations.
ConfigurableGrpcDynamicShardingClient
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).
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.
ConfigurationFactory.ExceptionLoader
ConfigurationUtil	Utility functions to handle configuration files.
ConfigurationXmlParserSettings	A simple class to accept settings for the ConfigurationXmlParser To pass settings to this class, the alias is mandatory.
ConfigurationYamlParser	Parser for YAML style Tradefed configurations
ConfigUtil	Utility class for creating, interacting with, and pushing statsd configuration files.
ConfigUtil.LogSource
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 `LineReader` unfinishedLine.
ConsoleResultReporter	Result reporter to print the test results to the console.
ContentAnalysisContext	Provide the context surrounding a content to analyze it properly.
ContentAnalysisContext.AnalysisMethod	This describes what to expect from the content structure for proper analysis.
ContentAnalysisResults	Summary of the content analysis.
ContentInformation	Represents the content for a given build target of its base and current version.
ContentMerkleTree	Compute a MerkleTree from the content information.
ContentModuleLister	Compute a module list from the context.
ContentProviderHandler	Handler that abstract the content provider interactions and allow to use the device side content provider for different operations.
ContentRequest	Class to build the request to the API.
ContentRequest.Content
ContentRequest.InlineData
ContentRequest.Part
CountingTestResultListener	A `TestResultListener` that tracks the total number of tests by `TestStatus`
CountTestCasesCollector	Count and report the number of test cases for a given `IRemoteTest`.
CoverageMeasurementForwarder	A placeholder test that forwards coverage measurements from the build provider to the logger.
CoverageOptions	Tradefed object to hold coverage options.
CoverageOptions.Toolchain
CpuThrottlingWaiter	An `ITargetPreparer` that waits until max frequency on all cores are restored to highest level available
CreateAvdPreparer
CreateUserPreparer	Target preparer for creating user and cleaning it up at the end.
CurlGenAiClient	Provide a central client to interact with GenAi API and make prompt requests.
CurlGenAiClient.Model	List of model available to be used.
CurrentInvocation	A class that tracks and provides the current invocation information useful anywhere inside the invocation.
CurrentInvocation.InvocationInfo	Some special named key that we will always populate for the invocation.
CurrentInvocation.IsolationGrade	Describes the level of isolation

D

DdmJdwpExtension
DdmJdwpExtension.DdmInterceptor
DdmJdwpExtension.Event
DdmPreferences	Preferences for the ddm library.
Debugger	This represents a pending or established connection with a JDWP debugger.
DebugHostLogOnFailureCollector	Collector that will gather and log the host-side logs when a test case failure occurs.
DebugViewDumpHandler
DefaultConnection	Default connection representation of a device, assumed to be a standard adb connection of the device.
DefaultConnection.ConnectionBuilder	Builder used to described the connection.
DefaultRemoteAndroidTestRunner	Extension of the ddmlib `RemoteAndroidTestRunner` to set some default for Tradefed use cases.
DefaultTestsZipInstaller	A default implementation of tests zip installer.
DelegatedInvocationExecution	`InvocationExecution` which delegate the execution to another Tradefed binary.
DependenciesResolver	A new type of provider that allows to get all the dependencies for a test.
DeviceActionTargetPreparer	A `ITargetPreparer` to perform device actions.
DeviceActionUtil	A Utility class to execute device actions.
DeviceActionUtil.Command	Commands for device action.
DeviceActionUtil.DeviceActionConfigError	Exception for config error.
DeviceAllocationResult	Represents the results of an allocation attempt for a command.
DeviceAllocationState	Represents the allocation state of the device from the IDeviceManager perspective
DeviceAvailableChecker	Checker to ensure a module doesn't leave the device in an offline state.
DeviceBaselineChecker	Set device baseline settings before each module.
DeviceBaselineSetter	Abstract class used to create a device baseline setting.
DeviceBatteryLevelChecker	An `IRemoteTest` 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.
DeviceBatteryResourceMetricCollector	This collector collects device battery metrics.
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.
DeviceBuildInfoBootStrapper	A `ITargetPreparer` that replaces build info fields with attributes read from device This is useful for testing devices with builds generated from an external source (e.g.
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.
DeviceConnection	Represents a connection to a device through ADB for use with `ERROR(/com.android.incfs.install.IncrementalInstallSession.Builder#execute(Executor,com.android.incfs.install.IDeviceConnection.Factory,ILogger))`.
DeviceConnection.Factory
DeviceDescriptor	A class containing information describing a device under test.
DeviceDisconnectedException	Thrown when a device is no longer reachable via it's transport type, e.g. if the device is no longer visible via USB, or TCP/IP connection
DeviceErrorIdentifier	Error Identifiers from Device errors and device reported errors.
DeviceFailedToBootError	Thrown if a device fails to boot after being flashed with a build.
DeviceFeatureFlag
DeviceFeatureModuleController	A module controller to not run tests when it doesn't support certain feature.
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.
DeviceFoldableState	Representation of device foldable state as returned by "cmd device_state print-states".
DeviceFolderBuildInfo	A `IDeviceBuildInfo` that also contains other build artifacts contained in a directory on the local filesystem.
DeviceImageTracker	For some of the incremental device update, we need the baseline files to compute diffs.
DeviceImageTracker.FileCacheTracker	Track information of the device image cached and its metadata
DeviceImageZipFlashingTargetPreparer	A target preparer that flashes the device with device images provided via a specific format.
DeviceImpl	A Device.
DeviceInspectionResult	A class contains the device inspection result when a device becomes unavailable.
DeviceInternetAccessibilityResourceMetricCollector	The collector pings google.com to check if the device has internet accessibility or not.
DeviceJUnit4ClassRunner	JUnit4 test runner that also accommodates `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`.
DeviceListMonitorTask
DeviceLogger	Bridge class to use utils.ILogger for Incremental.
DeviceManagementGrpcServer	GRPC server allowing to reserve a device from Tradefed.
DeviceManager
DeviceManager.FastbootDevice	Representation of a device in Fastboot mode.
DeviceMerkleTree	Compute a MerkleTree from the device content information.
DeviceMetricData	Object to hold all the data collected by metric collectors.
DeviceMonitor	The `DeviceMonitor` monitors devices attached to adb.
DeviceMonitor.DeviceListComparisonResult
DeviceMonitorMultiplexer	A proxy class to propagate requests to multiple `IDeviceMonitor`s.
DeviceNotAvailableException	Thrown when a device is no longer available for testing.
DeviceOwnerTargetPreparer	An `ITargetPreparer` that sets up a device owner component.
DeviceParameterizedRunner	JUnit4 style parameterized runner for host-side driven parameterized tests.
DeviceProperties	Common constant definitions for device side property names
DeviceRecoveryModeUtil
DeviceReleaseReporter	Device release reporter that handles communicating with the parent process the device(s) to be released.
DeviceResetFeature	Server side implementation of device reset.
DeviceResetHandler	Utility handling generically device resetting.
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.
DeviceSnapshotFeature	Server side implementation of device snapshot.
DeviceSnapshotHandler	Utility handling Cuttlefish snapshot.
DeviceStateMonitor	Helper class for monitoring the state of a `IDevice`.
DeviceStorageAgeResourceMetricCollector	Parse storage age from logcat.
DeviceStorageFiller	Target preparer to fill up storage so some amount of free space is available.
DeviceStorageStatusChecker	Check if device has enough disk space for the given partitions.
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.
DeviceSyncHelper	Helper that helps syncing a new device image to the device.
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.
DeviceTraceCollector	Collector that will start perfetto trace when a test run starts and log trace file at the end.
DeviceUnavailableMonitor	This listener attempts to capture a test case level DNAE only.
DeviceUnresponsiveException	A specialization of `DeviceNotAvailableException` that indicates device is visible to adb, but is unresponsive (i.e., commands timing out, won't boot, etc)
DeviceUpdateTargetPreparer	An abstract `ITargetPreparer` that takes care of common steps around updating devices with a device image file from an external source (as opposed to a build service).
DeviceWifiResourceMetricCollector	The collector collects current connected wifi signal strength and link speed metrics.
DeviceWiper	A `ITargetPreparer` that wipes userdata
DigestCalculator	Utility methods to compute `Digest`.
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.
DryRunner	Transparently dry runs tests instead of actually executing them.
DynamicFileStubTest	This is a tradefed test to test tradefed can resolve dynamic file correctly.
DynamicRemoteFileResolver	Class that helps resolving path to remote files.
DynamicRemoteFileResolver.FileResolverLoader	Loads implementations of `IRemoteFileResolver`.
DynamicShardHelper	Sharding strategy to allow work remote work queueing between multiple TF instances
DynamicShardingConnectionInfoMessage	Data-holding class in order to make sending via the feature server easier.
DynamicSystemPreparer	An `ITargetPreparer` that sets up a system image on top of a device build with the Dynamic System Update.

E

EarlyDeviceReleaseFeature	Feature server implementation for early device release.
Email	A helper class to send an email.
EmailHostHealthAgent	A `IHostHealthAgent` implementation to send email from Host monitor reports
EmmaXmlConstants	Constants used when parsing emma xml report.
EmulatorMemoryCpuCapturer
EndCentralDirectoryInfo	EndCentralDirectoryInfo is a class containing the overall information of a zip file.
EnforcedSeLinuxChecker	Status checker that ensures the status of Selinux.
EnvironmentVariableUtil	A collection of helper methods to prepare environment variables.
EraseUserDataPreparer	A `ITargetPreparer` that wipes user data on the device.
ErrorIdentifier	This interface describes a specific error and its properties.
ErrorStorageUtil	Helper class for manipulating the errors to align with the common storage.
EventsLoggerListener	Listener that logs all the events it receives into a file
ExceptionThrowingRunnerWrapper
ExecutableAction	A value class representing an action which can be executed.
ExecutableActionResult	A value class representing a result of a `ExecutableAction`.
ExecutableBaseTest	Base class for executable style of tests.
ExecutableHostTest	Test runner for executable running on the host.
ExecutableTargetTest	Test runner for executable running on the target.
ExecutionFiles	Files dependencies generated during the execution of a test or invocation that need to be carried for testing.
ExecutionFiles.FilesKey	Enumeration of known standard key for the map.
ExecutionProperties	Properties generated during the execution of a test or invocation.
ExistingBuildProvider	A `IBuildProvider` that returns an already constructed `IBuildInfo`.
ExtendedFile	A extension of standard file to carry a build related metadata.
ExtensionAtomsRegistry	ExtensionAtomsRegistry for local use of statsd.

F

FailureDescription	The class describing a failure information in Trade Federation.
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.
FastbootPack	Follow the specification of bootloader to unpack it.
FastbootUpdateBootstrapPreparer	An `ITargetPreparer` that stages specified files (bootloader, radio, device image zip) into `IDeviceBuildInfo` to get devices flashed with `FastbootDeviceFlasher`, then injects post-boot device attributes into the build info for result reporting purposes.
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.
FeatureFlagTargetPreparer	Updates the DeviceConfig (feature flags tuned by a remote service).
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.
FileListingService	Provides `IDevice` side file listing service.
FileListingService.FileEntry	Represents an entry in a directory.
FileListingService.IListingReceiver	Classes which implement this interface provide a method that deals with asynchronous result from `ls` command on the device.
FileLogger	A `ILeveledLogOutput` that directs log messages to a file and to stdout.
FilePermissionUtil	Utility class providing file permission handling.
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.
FilesystemRootChecker
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 an allowlist of `TestDescription` to be reported.
FixedByteArrayOutputStream	An in-memory `ERROR(/OutputStream)` that only keeps a maximum amount of data.
FlashingMethod	An enum to describe the method used to flash device under test
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
FlashingResourceUtil	This utility helps setting the appropriate version of artifacts so they can be flashed via `DeviceFlashPreparer`.
FoldableExpandingHandler	A `IModuleParameterHandler` expanding into more for each non-primary foldable configuration.
FoldableHandler	Generic foldable handler that can take the foldable parameters to create a specialized module.
FoldableModePreparer	A target preparer that can switch the foldable state of a device.
FolderBuildInfo	Concrete implementation of a `IFolderBuildInfo`.
FolderSaver	A `ITargetPreparer` that pulls directories off device, compresses and saves it into logging backend.
FormattedGeneratorReporter	Reporter that allows to generate reports in a particular format.
FreeDeviceState
FuseMountManager
FuseUtil	A helper class for FUSE operations.
FutilityCommandPreparer	Preparer to execute futility commands.

G

GceAvdInfo	Structure to hold relevant data for a given GCE AVD instance.
GceAvdInfo.GceStatus
GceAvdInfo.LogFileEntry
GceLHPTunnelMonitor	Thread Monitor for the Gce lab host proxy tunnel used for oxygenation.
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.
GcovCodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull gcov coverage measurements off of the device and log them as test artifacts.
GcovKernelCodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull gcov kernel coverage measurements out of debugfs and off of the device and then finally logs them as test artifacts.
GCSBucketUtil	File manager to download and upload files from Google Cloud Storage (GCS).
GCSBucketUtil.GCSFileMetadata	Simple wrapper for file info in GCS.
GCSCommon	Obsoleted! Use com.android.tradefed.util.gcs.GCSCommon instead.
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).
GCSFileDownloaderBase	File downloader to download file from google cloud storage (GCS).
GCSFileUploader	File uploader to upload file data to google cloud storage (GCS).
GCSHelper
GCSHostResourceManager	Download host resource from GCS (Google cloud storage).
GcsRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading from a GCS bucket.
GenericLogcatEventParser<LogcatEventType>	Parse logcat input for events.
GenericLogcatEventParser.LogcatEvent	Struct to hold a logcat event with the event type and triggering logcat message
GetPreviousPassedHelper	Helper to get the previous passed test filters.
GkiDeviceFlashPreparer	A target preparer that flash the device with android common kernel generic image.
GlobalConfiguration	An `IGlobalConfiguration` implementation that stores the loaded config objects in a map
GlobalFilterGetter	Service implementation that returns the filters of a given invocation.
GlobalTestFilter	Filter options applied to the invocation.
GoogleAccountPreparer	A `ITargetPreparer` that supports configuring google accounts.
GoogleAccountUtil	A Utility that supports configuring google accounts on a device
GoogleApiClientUtil	Utils for create Google API client.
GoogleApiClientUtilBase
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.
GranularRetriableTestWrapper.StartEndCollector	Class helper to catch missing run start and end.
GsiDeviceFlashPreparer	A target preparer that flashes the device with android generic system image.
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

HandleAppName	Handle the "app name" chunk (APNM).
HandleExit	Submit an exit request.
HandleHeap	Handle heap status updates.
HandleHello	Handle the "hello" chunk (HELO) and feature discovery.
HandleNativeHeap	Handle thread status updates.
HandleProfiling	Handle heap status updates.
HandleTest	Handle thread status updates.
HandleThread	Handle thread status updates.
HandleViewDebug
HandleWait	Handle the "wait" chunk (WAIT).
HarnessException	Base exception class for exception thrown within the harness.
HarnessIOException	Harness exception that helps carrying file issues.
HarnessRuntimeException
HeapHostMonitor	`AbstractHostMonitor` implementation that monitors the heap memory on the host and log it periodically to the history log.
HeapSegment	Describes the types and locations of objects in a segment of a heap.
HeapSegment.HeapSegmentElement	Describes an object/region encoded in the HPSG data.
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.
HostUtils	Implements some useful utility methods for running host 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.
HttpRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading remote file via http
HttpsRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading remote file via https

I

IAbi	Interface representing the ABI under test.
IAbiReceiver	A test that needs the ABI under test.
IAndroidDebugBridge	Interface definition for `ERROR(/com.android.ddmlib.AndroidDebugBridge)` methods used in this package.
IAppBuildInfo	This interface is deprecated. Use `IBuildInfo` directly.
IAutoRetriableTest	Interface for an `IRemoteTest` that doesn't implement `ITestFilterReceiver` but still wishes to support auto-retry.
IBatteryInfo	The interface defining the interaction with a battery of a device.
IBatteryInfo.BatteryState	Describes the current battery charging state.
IBlockFilter	Controls whether a block of data that must be delivered to the device should be served.
IBlockTransformer	Optional transformation of the data block before sending.
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.
ICacheClient	An interface for a cache client.
IClusterClient	An interface for interacting with the TFC backend.
IClusterEvent	Interface for any cluster event to be uploaded to TFC.
IClusterEventUploader<T extends IClusterEvent>	Interface for ClusterEventUploader
IClusterOptions	An interface for getting cluster-related options.
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.
IConfigOptionValueTransformer	An interface for manipulating config option value
IConfigurableVirtualDevice	An interface to provide information about a possibly preconfigured virtual device info (host ip, host user, ports offset and etc.).
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.
ICredentialFactory	An interface for credential factory to create oauth2 `Credential`.
IDefaultObjectLoader	Interface for loading the default objects that should be part of our YAML configuration.
IDefaultObjectLoader.LoaderConfiguration	The loading configuration object to pass information to the loader.
IDevice	A Device.
IDevice.DeviceState	The state of a device.
IDevice.DeviceUnixSocketNamespace	Namespace of a Unix Domain Socket created on the device.
IDevice.Feature	Device level software features.
IDevice.HardwareFeature	Device level hardware features.
IDeviceActionReceiver	Provides an API to receive device events.
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.
IDeviceConnection	Represents a connection to a device that can be read from and written to.
IDeviceConnection.Factory
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.
IDeviceSelection.BaseDeviceType
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.
IdSizesReply
IDynamicShardingClient	Wrapper interface for the sharding client This exists so that we can swap in an HTTP one or testing one if needed.
IDynamicShardingConnectionInfo	Interface for classes that contain dynamic sharding connection info
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.
IFileResolverLoader	Loads implementations of `IRemoteFileResolver`.
IFileResolverLoader.ResolverLoadingException	Exception thrown if a resolver cannot be loaded or initialized.
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`.
IFuseDriverProfile	Defines the specific behavior of a particular FUSE driver, allowing the MountManager to be generic.
IGlobalConfiguration	A class to encompass global configuration information for a single Trade Federation instance (encompassing any number of invocations of actual configurations).
IHarnessException	Description of the harness exception interface that will be implemented by harness exceptions.
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.
IHostOptions.PermitLimitType	Enum describing the possible permit limiters
IHostResourceManager	Interface to manager host resource.
IHttpHelper	Helper methods for performing http requests.
IHttpHelper.DataSizeException
IIncrementalSetup	An interface which helps decide whether to attempt incremental setup for TradeFed preparers.
IInstrumentationResultParser	Interface for parsing the results of an instrumentation test run from shell.
IInstrumentationResultParser.SessionResultCodes	Am instrument session result codes.
IInstrumentationResultParser.StatusCodes	Test result status codes.
IInstrumentationResultParser.StatusKeys	Relevant test status keys.
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`.
ILabPreparer	Marker interface for lab preparers See `ITargetPreparer` for a description of what these interfaces are intended.
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`.
ILogger	Interface used to display warnings/errors.
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.
ImageContentAnalyzer	Analyzer for device image content analysis
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.
IMoblyYamlResultHandler	Interface of mobly yaml result handler.
IMoblyYamlResultHandler.ITestResult	Interface of mobly yaml result
IModuleController	Interface for controlling if a module should be executed or not.
IModuleController.RunStrategy	Enum describing how the module should be executed.
IModuleParameterHandler	The interface for parameters of suites modules.
IMultiDeviceRecovery	Interface for recovering multiple offline devices.
IMultiDeviceTest	This interface is deprecated. This interface is kept temporarily for compatibility but is not actually used anymore. Please do not implement it.
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`.
IncrementalImageUtil	A utility to leverage the incremental image and device update.
IncrementalInstallSession	Used to create a n incremental package installation session in which the blocks of the installed APKs are streamed to the device when they need to be read.
IncrementalInstallSession.Builder
InfraErrorIdentifier	Error Identifiers from Trade Federation infra, and dependent infra (like Build infra).
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.
InstallCreateReceiver	Output receiver for "pm install-create" command line.
InstalledInstrumentationsTest	Runs all instrumentation found on current device.
InstallException	Thrown if installation or uninstallation of application fails.
InstallKernelModulePreparer	A target preparer that install kernel modules.
InstallMetrics
InstallReceiver	Output receiver for "pm install package.apk" command line.
InstantAppHandler	Handler for `ModuleParameters.INSTANT_APP`.
InstrumentationPreparer	A `ITargetPreparer` that runs instrumentation
InstrumentationProtoResultParser	Parses the 'protoStd output mode' results of an instrumentation test run from shell and informs a ITestRunListener of the results.
InstrumentationResultParser	Parses the 'raw output mode' results of an instrumentation test run from shell and informs a ITestRunListener of the results.
InstrumentationTest	A Test that runs an instrumentation test package on given device.
InvocationCacheHelper	Utility to handle uploading and looking up invocation cache results.
InvocationCacheHelper.CacheInvocationResultDescriptor	Describes the cache results.
InvocationContext	Generic implementation of a `IInvocationContext`.
InvocationExecution	Class that describes all the invocation steps: build download, target_prep, run tests, clean up.
InvocationLocal<T>	This class provides invocation-scope variables.
InvocationMetricLogger	A utility class for an invocation to log some metrics.
InvocationMetricLogger.InvocationGroupMetricKey	Grouping allows to log several groups under a same key.
InvocationMetricLogger.InvocationMetricKey	Some special named key that we will always populate for the invocation.
InvocationProtoResultReporter	Reporters to store invocation level caching information and its list of modules
InvocationStatus	A class to store invocation status.
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`.
IPostProcessor	Post processors is a Trade Federation object meant to allow the processing of metrics and logs AFTER the tests and BEFORE result reporting.
IRecorderClient	Interface for communicating with ResultDB recorder backend.
IRemoteAndroidTestRunner	Interface for running a Android test command remotely and reporting result to a listener.
IRemoteAndroidTestRunner.CoverageOutput
IRemoteAndroidTestRunner.TestSize
IRemoteFeature	Interface describing a feature in Tradefed that can be executed based on the request.
IRemoteFileResolver	Interface for objects that can resolve a remote file into a local one.
IRemoteFileResolver.RemoteFileResolverArgs	The args passed to the resolvers
IRemoteFileResolver.ResolvedFile	Class holding information about the resolved file and some metadata.
IRemoteScheduledListenersFeature	Extension of `IRemoteFeature` to support passing in `IScheduledInvocationListener`s.
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.
IResourceMetricCollector	The interface for user to implement customized resource collectors.
IRestApiHelper	A helper interface for performing REST API calls.
IResumableTest	This interface is deprecated. No need for this anymore
IRetryDecision	Interface driving the retry decision and applying the filter on the class for more targeted retry.
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.
ISandboxFactory	Factory for creating `ISandbox`.
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.
IShellEnabledDevice	An abstract device that can receive shell commands.
IShellOutputReceiver	Classes which implement this interface provide methods that deal with out from a remote shell command on a device/emulator.
IsolatedHostTest	Implements a TradeFed runner that uses a subprocess to execute the tests in a low-dependency environment instead of executing them on the main process.
IStackTraceInfo	Classes which implement this interface provide a method that returns a stack trace.
ISupportGranularResults	Interface specifying whether a `ITestInvocationListener` supports receiving the granular results or not.
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	This interface is deprecated. tearDown has been moved to the base ITargetPreparer interface.
ITargetPreparer	Prepares the test environment for the test run.
ITemporaryDevice	Interface to represent a device that can be a temporary placeholder.
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
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.
ITestInformationReceiver	Interface to receive the `TestInformation` for some classes.
ITestInvocation	Handles one TradeFederation test invocation.
ITestInvocation.ExitInformation	Represents some exit information for an 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.
ITestRunListener	Receives event notifications during instrumentation test runs.
ITestsPool	Interface describing a pool of tests that we can access and run
ITestStorageClient	Interface for communicating with Android Test Storage backend.
ITestSuite	Abstract class used to run Test Suite.
ITestSuite.IsolatedModuleGrade
ITestSuite.MultiDeviceModuleStrategy
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

JarHostTest	Test runner for host-side JUnit tests.
JarHostTest.HostTestListener	Wrapper listener that forwards all events except testRunStarted() and testRunEnded() to the embedded listener.
JavaCodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull Java coverage measurements off of the device and log them as test artifacts.
JavaCodeCoverageFlusher	A utility class that resets and forces a flush of Java code coverage measurements from processes running on the device.
JdwpAgent
JdwpCommands	JDWP command constants as specified here
JdwpExtension
JdwpHandshake
JdwpInterceptor
JdwpPacket	A JDWP packet, sitting at the start of a ByteBuffer somewhere.
JdwpPayload
JdwpProtocol
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(TestInformation, 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

KernelModuleUtils
KernelTargetTest	Test runner for executable running on the target and parsing tesult of kernel test.
KernelTestModuleController	Base class for a module controller to not run tests when it doesn't match the architecture .
KeyguardControllerState	A container for the keyguard states.
KeyguardStatusChecker	Checks the keyguard status after module execution.
KeyStoreException	Thrown when a fatal key store error happens.
KillExistingEmulatorPreparer	A `ITargetPreparer` that shuts down a running emulator.
KnownFailurePreparer	Target preparer to skip retrying known failure.
KTapResultParser	Reads KTAP output as that produced by a KUnit test module and placed in a `results` file under debugfs.
KTapResultParser.ParseResolution
KUnitModuleTest	Test runner for running KUnit test modules on device.

L

LabResourceDeviceMonitor	The lab resource monitor which initializes/manages the gRPC server for LabResourceService.
LargeOutputReceiver	A class designed to help run long running commands collect output.
LastShardDetector	When running local sharding, sometimes we only want to execute some actions when the last shard reaches `invocationEnded(long)`.
LeakedThreadStatusChecker	Status checker to ensure a module does not leak a running Thread.
LegacySubprocessResultsReporter	A frozen implementation of the subprocess results reporter which should remain compatible with earlier versions of TF/CTS (e.g. 8+), despite changes in its superclass.
ListInstrumentationParser	A `IShellOutputReceiver` that parses the output of a 'pm list instrumentation' query
ListInstrumentationParser.InstrumentationTarget
LocalAndroidVirtualDevice	The class for local virtual devices running on TradeFed host.
LocalAppBuildProvider	A `IBuildProvider` that constructs a `IBuildInfo` based on a provided local path
LocalDeveloper	Detects and returns whether this is a local developer running Tradefed.
LocalDeviceBuildProvider	A `IBuildProvider` that constructs a `IDeviceBuildInfo` based on a provided filesystem directory path.
LocalEmulatorLaunch	A TargetPreparer that launches an emulator locally from an android build environment.
LocalEmulatorSnapshot	A TargetPreparer intended for generating a clean emulator snapshot from a android build/development environment
LocalFileHeader	LocalFileHeader is a class containing the information of a file/folder inside a zip file.
LocalFileResolver	Implementation of `IRemoteFileResolver` that allows linking local files
LocalFolderBuildProvider	A `IBuildProvider` that constructs a `IFolderBuildInfo` based on a provided local path
LocalHostResourceManager	Manager host resource.
LocalPool	Implementation of a pool of local tests
LocalRunInstructionBuilder	Utility to compile the instruction to run test locally.
LockSettingsBaselineSetter	A setter to remove screen lock settings.
Log
Log	Log class that mirrors the API in main Android sources.
Log.ILogOutput	Classes which implement this interface provides methods that deal with outputting log messages.
Log.LogLevel	Log Level enum.
Log.LogLevel	Log Level enum.
LogAssociation	A class to represent a link between a log file and a test.
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
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.
LogcatTimingMetricCollector	A metric collector that collects timing information (e.g. user switch time) from logcat during one or multiple repeated tests by using given regex patterns to parse start and end signals of an event from logcat lines.
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
LUCIResultReporter	A result reporter that saves test results needed by ResultDB and LUCI into JSON format (go/result-sink) and logs the file location in the console.

M

MainlineModuleHandler	A simple handler class for Mainline Modules that creates a InstallApexModuleTargetPreparer and injects the dynamic link into it based on the given mainline modules to automatically retrieve those modules.
MainlineTestModuleController	Base class for a module controller to run tests based on the preloaded mainline modules on the device under test.
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
MaxSdkModuleController	Base class for a module controller to not run tests on versions above a specified SDK version number.
MergedZipEntryCollection	Merge individual zip entries in a large zip file into blocks to minimize the download attempts.
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.
MerkleTree	A merkle tree representation as defined by the remote execution api.
MetricFilePostProcessor	Used for uploading the metrics log file collected during the test and run level.
MetricFileUtil	Utility to store the test run and test metrics at the end of invocation in a text file and upload it to Android Build API.
MetricFileUtil.TestRunMetrics
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.
MetricUtility	Contains common utility methods for storing the test metrics, aggregating the metrics in similar tests and writing the metrics to a file.
MetricUtils	Class to hold helper methods for dealing with Metric format conversion.
MinApiLevelModuleController	Base class for a module controller to not run tests when it below a specified API Level.
MinSdkModuleController	Base class for a module controller to not run tests on versions below a specified SDK version number.
MixImageZipPreparer	An `IMultiTargetPreparer` that mixes a system build's images in a device build.
MixKernelTargetPreparer	A `ITargetPreparer` that allows to mix a kernel image with the device image.
MixRadioTargetPreparer	A `ITargetPreparer` that allows to mix a radio image with the device image.
MoblyArtifactReporter	Mobly artifact reporter.
MoblyBinaryHostTest	Host test meant to run a mobly python binary file from the Android Build system (Soong)
MoblyYamlResultControllerInfoHandler	Mobly yaml result 'Controller Info' element handler.
MoblyYamlResultControllerInfoHandler.ControllerInfo
MoblyYamlResultControllerInfoHandler.ControllerInfo.Builder
MoblyYamlResultHandlerFactory	Mobly yaml result handler factory which generates appropriate handler based on result type.
MoblyYamlResultHandlerFactory.InvalidResultTypeException
MoblyYamlResultHandlerFactory.Type
MoblyYamlResultParser	Mobly yaml test results parser.
MoblyYamlResultRecordHandler	Mobly yaml result 'Record' element handler.
MoblyYamlResultRecordHandler.Record
MoblyYamlResultRecordHandler.Record.Builder
MoblyYamlResultRecordHandler.RecordResult
MoblyYamlResultSummaryHandler	Mobly yaml result 'Summary' element handler.
MoblyYamlResultSummaryHandler.Summary
MoblyYamlResultSummaryHandler.Summary.Builder
MoblyYamlResultTestNameListHandler	Mobly yaml result 'Test Name List' element handler.
MoblyYamlResultTestNameListHandler.TestNameList
MoblyYamlResultTestNameListHandler.TestNameList.Builder
MoblyYamlResultUserDataHandler	Mobly yaml result 'User Data' element handler.
MoblyYamlResultUserDataHandler.UserData
MoblyYamlResultUserDataHandler.UserData.Builder
ModuleDefinition	Container for the test run configuration.
ModuleListener	Listener attached to each `IRemoteTest` of each module in order to collect the list of results.
ModuleLogcatCollector	Version of logcat collector but for module.
ModuleMerger	Helper class for operation related to merging `ITestSuite` and `ModuleDefinition` after a split.
ModuleOemTargetPreparer
ModuleParameters	Special values associated with the suite "parameter" keys in the metadata of each module.
ModuleParametersHelper	Helper to get the `IModuleParameterHandler` associated with the parameter.
ModuleProtoResultReporter	A result reporter meant to report only the module level results.
ModulePusher
ModulePusher.ModulePushError	Fatal error during Mainline module push.
ModuleResultsAndMetricsForwarder	An Extension of `ResultAndLogForwarder` that adds extra module related metrics to the test results.
ModuleSplitter	Helper to split a list of modules represented by `IConfiguration` into a list of execution units represented by `ModuleDefinition`.
ModuleTestTypeUtil	Contains common utility methods for checking module.
MonitorThread	Monitor open connections.
MultiFailureDescription	Collect multiple `FailureDescription` in one holder.
MultiLineReceiver	Base implementation of `IShellOutputReceiver`, that takes the raw data coming from the socket, and convert it into `String` objects.
MultiMap<K, V>	A `ERROR(/Map)` that supports multiple values per key.
MultiReceiver	Base implementation of `IShellOutputReceiver`, that takes multiple instances of `IShellOutputReceiver` and broadcast the received data to all of them.

N

NameMangleListener	A proxy listener to translate test method, class, and package names as results are reported.
NativeAllocationInfo	Stores native allocation information.
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.
NativeDevice	Default implementation of a `ITestDevice` Non-full stack android devices.
NativeDevice.AdbAction	A `ERROR(DeviceAction/com.android.tradefed.device.NativeDevice.DeviceAction DeviceAction)` for running a OS 'adb ....' command.
NativeDevice.AdbShellAction
NativeDevice.RebootDeviceAction	`ERROR(DeviceAction/com.android.tradefed.device.NativeDevice.DeviceAction DeviceAction)` for rebooting a device.
NativeDevice.RebootMode	A mode of a reboot.
NativeDeviceStateMonitor	Helper class for monitoring the state of a `IDevice` with no framework support.
NativeLeakCollector	A `ITargetPreparer` that runs 'dumpsys meminfo --unreachable -a' to identify the unreachable native memory currently held by each process.
NativeLibraryMapInfo	Memory address to library mapping for native libraries.
NativeStackCallInfo	Represents a stack call.
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.
NoOpConfigOptionValueTransformer	An no-op `IConfigOptionValueTransformer`
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`
NullOutputReceiver	Implementation of `IShellOutputReceiver` that does nothing.

O

ObjectUpdater	Helper class to manage updates to AnTS objects.
ObjectUpdater.InvocationUpdate	Perform an update of the provided invocation.
ObjectUpdater.TestArtifactUpdate	Perform an update on the returned BuildArtifact.
ObjectUpdater.WorkUnitUpdate	Interface to encapsulte an update.
OpenObjectLoader	Loader for the default objects available in AOSP.
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.
OptionDef	Holds the details of an `Option`.
OptionFetcher	Helper to get the test options from the parent process.
OptionNotAllowedException	Specific `ConfigurationException` when an option is not allowed to be passed in the command line.
OptionSetter	Populates `Option` fields.
OptionSetter.Handler<T>
OptionSetter.MapHandler	A `Handler` to handle values for Map 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.
OtaUpdateDeviceFlasher	A device flasher that triggers system/update_engine/scripts/update_device.py script with a full or incremental OTA package to update the device image.
OxygenUtil	Utility to interact with Oxygen service.

P

PackageInfo	Container for an application's package info parsed from device.
PackageInstalledModuleController	Module controller to not run tests when the device has not got the given packages installed.
Pair<A, B>	Define our own Pair class which contains two objects.
Pair<S, T>	A Pair class is simply a 2-tuple for use in this package.
PairingMultiTargetPreparer	A multi-target preparer helps make Bluetooth pairing (and connection) between two devices.
ParallelDeviceExecutor<V>	Wrapper of `ERROR(/ExecutorService)` to execute a function in parallel.
ParentSandboxInvocationExecution	Version of `InvocationExecution` for the parent invocation special actions when running a sandbox.
ParentShardReplicate	Replicate a setup for one device to all other devices that will be part of sharding.
PartialZipDownloadCache	Utility to cache partial download files based on their content.
PassingTestFileReporter	A `ITestInvocationListener` that saves the list of passing test cases to a test file
PendingBlock	A block of data belonging to the APK or signature file that is needed by the device.
PendingBlock.Compression
PendingBlock.Type
PerfettoFilePullerCollector	A collector which pulls perfetto trace files from the device, optionally compresses them, and adds them to the test logs.
PerfettoGenericPostProcessor	A post processor that processes text/binary metric perfetto proto file into key-value pairs by recursively expanding the proto messages and fields with string values until the field with numeric value is encountered.
PerfettoGenericPostProcessor.AlternativeParseFormat
PerfettoGenericPostProcessor.METRIC_FILE_FORMAT
PerfettoPreparer	Perfetto preparer pushes the config file in to the device at a standard location to which perfetto have access to.
PerfettoPullerMetricCollector	This class is deprecated. Use `PerfettoFilePullerCollector` and `ERROR(/PerfettoTracePostProcessor)` instead.
PerfettoPullerMetricCollector.METRIC_FILE_FORMAT
PerfettoTracePostProcessor	A post processor which retrieves perfetto trace files from the test logs and runs the trace processor on them to produce a perfetto metric proto.
PerfettoTracePostProcessor.METRIC_FILE_FORMAT
PerfettoTraceRecorder	A utility class for recording perfetto trace on a `ITestDevice`.
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, NAME, START TIME IN SECOND SINCE EPOCH) information.
ProcessUtil
ProfileableClient	This represents a single profilealbe client, usually an Android VM process.
ProfileableClientData	Contains the data of a `ProfileableClientImpl`.
ProfileableClientImpl	This represents a single profileable client, usually a Dalvik VM process.
ProfileParameterHandler	Base parameter handler for any profile user.
ProfileTargetPreparer	Base class for setting up target preparer for any profile user `android.os.usertype.profile.XXX`.
PromptResponse	Representation of the prompt request and its response
PromptUtility	A utility to craft prompts from context.
PromptUtility.PromptTemplate	Reference to prompt template stored in resources
PropertyChanger	A utility class for changing (or adding) items in an Android property file
PropertyFetcher	Fetches and caches 'getprop' values from device.
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.
ProtoUtil	Utility methods for dealing with protobuf messages type-agnostically.
ProxyConfiguration	Object that allows pointing to a remote configuration to execute.
PsParser	Utility used to parse(USER,PID and NAME) from the "ps" command output
PtsBotTest	Run PTS-bot tests.
PtsBotTest.TestFlagConfiguration
PtsBotTest.TestFlagConfiguration.FlagConfig
PtsBotTest.TestSyspropConfiguration
PtsBotTest.TestSyspropConfiguration.SyspropConfig
PushFileInvoker	This class is deprecated. Use `PushFilePreparer` instead
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) The test runner supports include-filter and exclude-filter.
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.
PythonVirtualenvHelper	A helper class for activating Python 3 virtual environment.
PythonVirtualenvPreparer	Sets up a Python virtualenv on the host and installs packages.

Q

QuotationAwareTokenizer

R

RawImage	Data representing an image taken from a device frame buffer.
RebootReasonCollector	Collector that collects device reboot during the test run and report them by reason and counts.
RebootTargetPreparer	Target preparer that reboots the device.
RecorderClient	ResultDB recorder client that uploads test results to ResultDB.
RecoveryLogPreparer	A target preparer used to collect logs before recovery.
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.
RemoteAndroidTestRunner	Runs a Android test command remotely and reports results.
RemoteAndroidTestRunner	Runs a Android test command remotely and reports results.
RemoteAndroidTestRunner.StatusReporterMode	Represents a status reporter mode in am instrument command options.
RemoteAndroidTestRunner.StatusReporterMode	Represents a status reporter mode in am instrument command options.
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`
RemoteBuildInfo	Container for launch control build info response.
RemoteBuildInfo.BuildAttributeKey
RemoteBuildInfo.BuildType
RemoteCacheClient	A RemoteActionCache implementation that uses gRPC calls to a remote API server.
RemoteDynamicPool	Implementation of a pool of remote work queued tests
RemoteDynamicPool.RequestCallable
RemoteFileResolver	A simple class that allows one to load files from a variety of places using URIs and the service provider functionality.
RemoteFileUtil	Utility class to handle file from a remote instance
RemoteInvocationExecution	Implementation of `InvocationExecution` that drives a remote execution.
RemoteInvocationExecution.FileOptionValueTransformer
RemoteSplitApkInstaller
RemoteSshUtil	Utility to execute ssh commands on remote instances.
RemoteTestTimeOutEnforcer	Listeners that allows to check the execution time of a given test config and fail it if it goes over a given timeout.
RemoteZip	Utilities to unzip individual files inside a remote zip file.
RemoveSystemAppPreparer	A `ITargetPreparer` for removing an apk from the system partition before a test run.
ReportPassedTests	Report in a file possible filters to exclude passed test.
RequestUtil	Utilities to allow generic retry of network requests with error handling.
ResolvePartialDownload	Resolve a partial download request.
ResourceMetricUtil	Utility functions for composing metrics.
ResourceUtil	Utility for reading configuration resources.
RestApiHelper	A helper class for performing REST API calls.
RestartSystemServerTargetPreparer	Target preparer that restarts the system server without rebooting the device.
ResultAggregator	Special forwarder that aggregates the results when needed, based on the retry strategy that was taken.
ResultAndLogForwarder	Forwarder for results and logs events.
ResultDBReporter	Result reporter that uploads test results to ResultDB.
ResultDBUtil	Utility class for ResultDB reporter.
ResultForwarder	A `ITestInvocationListener` that forwards invocation results to a list of other listeners.
ResultReporter
ResultReporter.ListBuilder<T>
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.
RetryLogSaverResultForwarder	Forwarder that also handles passing the current attempt we are at.
RetryPreparationDecision	A Class to describe the decisions about whether or not to retry preparation and to fail the module run.
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.
RetryStatistics	Structure holding the statistics for a retry session of one `IRemoteTest`.
RetryStrategy	The Retry Strategy to be used when re-running some tests.
RootcanalForwarderPreparer
RootTargetPreparer	Target preparer that performs "adb root" or "adb unroot" based on option "force-root".
RunAftersWithInfo
RunBeforesWithInfo
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.
RunHostScriptTargetPreparer	Target preparer which executes a script before running a test.
RunInterruptedException	Thrown when a run operation is interrupted by an external request.
RunNotifierWrapper	Wrapper of `RunNotifier` so we can carry the `DeviceNotAvailableException`.
RunOnCloneProfileParameterHandler
RunOnCloneProfileTargetPreparer
RunOnPrivateProfileParameterHandler
RunOnPrivateProfileTargetPreparer
RunOnSdkSandboxHandler	Handler for `ModuleParameters.RUN_ON_SDK_SANDBOX`.
RunOnSdkSandboxTargetPreparer	An `ITargetPreparer` to marks that tests should run in the sdk sandbox.
RunOnSecondaryUserParameterHandler
RunOnSecondaryUserTargetPreparer	An `ITargetPreparer` to ensure that the test runs as a secondary user.
RunOnSystemUserTargetPreparer	An `ITargetPreparer` that marks that tests should be run on the user (rather than the current user).
RunOnWorkProfileParameterHandler
RunOnWorkProfileTargetPreparer	An `ITargetPreparer` that creates a work profile in setup, and marks that tests should be run in that user.
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.
RustBenchmarkResultParser	Interprets the output of tests run with Criterion benchmarking framework and translates it into calls on a series of `ITestInvocationListener`s.
RustBinaryHostTest	Host test meant to run a rust binary file from the Android Build system (Soong)
RustBinaryTest	A Test that runs a rust binary on given device.
RustTestBase	Base class of RustBinaryHostTest and RustBinaryTest
RustTestBase.EnvPair
RustTestBase.Invocation
RustTestResultParser	Interprets the output of tests run with Rust's unittest framework and translates it into calls on a series of `ITestInvocationListener`s.

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`.
SchedulerState	Enum representing a list of states Invocations and WorkUnits can be in.
ScreenRecorderOptions
ScreenRecorderOptions.Builder
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.
Sdk30ModuleController	Only run tests if the device under test is SDK version 30 or above.
Sdk31ModuleController	Only run tests if the device under test is SDK version 31 or above.
Sdk32ModuleController	Only run tests if the device under test is SDK version 32 or above.
Sdk33ModuleController	Only run tests if the device under test is SDK version 33 or above.
Sdk34ModuleController	Only run tests if the device under test is SDK version 34 or above.
Sdk35ModuleController	Only run tests if the device under test is SDK version 35 or above.
Sdk36ModuleController	Only run tests if the device under test is SDK version 36 or above.
SearchArtifactUtil	A utility class that can be used to search for test artifacts.
SecondaryUserHandler	Handler for `ModuleParameters.SECONDARY_USER`.
SecondaryUserOnDefaultDisplayHandler	Handler for `ModuleParameters.SECONDARY_USER_ON_DEFAULT_DISPLAY`.
SecondaryUserOnSecondaryDisplayHandler	Handler for `ModuleParameters.SECONDARY_USER_ON_SECONDARY_DISPLAY`.
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)`.
ServiceAccountKeyCredentialFactory	A credential factory to create service account key based oauth `Credential`.
SettingsBaselineSetter	A common setter to handle device baseline settings via ITestDevice.setSetting.
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.
ShardMainResultForwarder	A `ResultForwarder` that combines the results of a sharded test invocations.
ShellCommandUnresponsiveException	Exception thrown when a shell command executed on a device takes too long to send its output.
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.
ShippingApiLevelModuleController	Run tests if the device meets the following conditions: If `min-api-level` is defined: The device shipped with the `min-api-level` or later.
ShowmapPullerMetricCollector	Base implementation of `FilePullerDeviceMetricCollector` that allows pulling the showmap files from the device and collect the metrics from it.
SideloadOtaTargetPreparer	A target preparer that performs sideload of a specified OTA package, applies the package, waits for device to boot up, and injects the device build properties to use as build info This target preparer assumes that the device will be in regular adb mode when started, and will ensure that the device exits in the same mode but with the newer build applied.
SimpleFileLogger	A `ILeveledLogOutput` that directs log messages to stdout and to a single log file.
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.
SkipContext	Representation of the context surrounding decision about skipping or caching of results.
SkipFeature	A feature allowing to access some of the `SkipManager` information.
SkipHWASanModuleController	Base class for a module controller to not run tests on HWASan builds.
SkipManager	Based on a variety of criteria the skip manager helps to decide what should be skipped at different levels: invocation, modules and tests.
SkipReason	Provide a reason and its metadata for skipping a test.
SkipReason.DemotionTrigger
Sl4aBluetoothUtil	A utility class provides Bluetooth operations on one or two devices using SL4A
Sl4aBluetoothUtil.BluetoothAccessLevel	Enums for Bluetooth device access level which are based on `BluetoothDevice.java`
Sl4aBluetoothUtil.BluetoothConnectionState	Enums for Bluetooth connection states which are based on `BluetoothProfile.java`
Sl4aBluetoothUtil.BluetoothPriorityLevel	Enums for Bluetooth profile priority level which are based on `BluetoothProfile.java`
Sl4aBluetoothUtil.BluetoothProfile	Enums for Bluetooth profiles which are based on `BluetoothProfile.java`
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.
SnapuserdWaitPhase	Enum representation of when to join/block for the snapuserd update to finish.
SparseImageUtil	Utility to unsparse sparse images.
SparseImageUtil.SparseInputStream	SparseInputStream read from upstream and detects the data format.
SparseIntArray	SparseIntArrays map integers to integers.
SplitApkInstaller
SplitApkInstallerBase
SpongeUtils	Class to hold helper methods for dealing with Sponge.
StatsdBeforeAfterGaugeMetricPostProcessor	A post processor that processes gauge metrics collected in a "before/after" approach, i.e.
StatsdEventMetricPostProcessor	A post processor that processes event metrics in statsd reports into key-value pairs, using the formatters specified on the processor.
StatsdGenericPostProcessor	A post processor that processes binary proto statsd reports into key-value pairs by expanding the report as a tree structure.
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
StubLocalAndroidVirtualDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions.localVirtualDeviceRequested()` is `true`
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`
SubprocessCommandException	A subprocess command failed to run.
SubprocessConfigBuilder	Build a wrapper TF config XML for an existing TF config.
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.SkippedTestEventInfo
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
SubprocessExceptionParser	Helper to handle the exception output from standard Tradefed command runners.
SubprocessReportingHelper	A class to build a wrapper configuration file to use subprocess results reporter for a cluster command.
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.
SuiteResultCacheUtil	Utility to upload and download cache results for a test module.
SuiteResultCacheUtil.CacheResultDescriptor	Describes the cache results.
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.
SyncException	Exception thrown when a transfer using `ERROR(/SyncService)` doesn't complete.
SyncException.SyncError
SyncService	Sync service class to push/pull to/from devices/emulators, through the debug bridge.
SyncService.FileStat
SyncService.ISyncProgressMonitor	Classes which implement this interface provide methods that deal with displaying transfer progress.
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
TargetFileUtils
TargetFileUtils.FilePermission
TargetSetupError	A fatal error occurred while preparing the target for testing.
TarUtil	Utility to manipulate a tar file.
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.
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.
TestContentAnalyzer	The analyzer takes context for the analysis and determine what is interesting.
TestContext	A class to model a TestContext message of TFC API.
TestDependencyResolver	Helper to resolve dependencies if needed.
TestDescription	Class representing information about a test case.
TestDescriptionsFile	A utility class for marshalling and unmarshalling a list of TestDescriptions to a test file.
TestDevice	Implementation of a `ITestDevice` for a full stack android device
TestDevice.MicrodroidBuilder	A builder used to create a Microdroid TestDevice.
TestDeviceOptions	Container for `ITestDevice` `Option`s
TestDeviceOptions.InstanceType
TestDeviceState	A more fully featured representation of device state than `DeviceState`.
TestEnvironment	A class to model a TestEnvironment message returned by TFC API.
TestErrorIdentifier	Error identifier from tests and tests runners.
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
TestGroupStatus	A class to store status of a test group.
TestIdentifier	Identifies a parsed instrumentation test.
TestInfo	Stores the test information set in a TEST_MAPPING file.
TestInformation	Holder object that contains all the information and dependencies a test runner or test might need to execute properly.
TestInformation.Builder	Builder to create a `TestInformation` instance.
TestInvocation	Default implementation of `ITestInvocation`.
TestInvocation.RunMode	The different mode an invocation can run into.
TestInvocation.Stage
TestInvocationManagementServer	GRPC server helping to management test invocation and their lifecycle.
TestInvocationManagementServer.InvocationInformation
TestMapping	A class for loading a TEST_MAPPING file.
TestMapping.NoTestRuntimeException
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.
TestOutputUploader	Uploads test output files to local file system, GCS, or an HTTP(S) endpoint.
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.
TestResource	A class to model a TestResource message returned by TFC API.
TestResourceDownloader	A class to download test resource files from file system/GCS/HTTP.
TestResult	Container for a result of a single test.
TestResult	Container for a result of a single test.
TestResult.TestStatus
TestResultListener	A simplification of ITestLifecycleListener for implementers that only care about individual test results.
TestRunnerUtil	A utility class to help various test runners.
TestRunResult	Holds results from a single test run.
TestRunResult	Holds results from a single test run.
TestRunResultListener	Listener that allows to read the final test run status.
TestRunToTestInvocationForwarder	Forwarder from ddmlib `ITestRunListener` to `ITestLifeCycleReceiver`.
TestsPoolPoller	Tests wrapper that allow to execute all the tests of a pool of tests.
TestStatus	Representation in Tradefed of possible statuses for test methods.
TestStatus	Enum representing possible outcomes of a test.
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.
TestTimeoutEnforcer	Listeners that allows to check the execution time of a given test case and fail it if it goes over a given timeout.
TextResultReporter	A test result reporter that forwards results to the JUnit text result printer.
TfInternalOptionsFetcher	A utility class that allows classes to load a variables value statically from a res file.
TfMetricProtoUtil	Utility class to help with the Map to Map transition.
TfObjectTracker	A utility to track the usage of the different Trade Fedederation objects.
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.
ThreadInfo	Holds a thread information.
TimeoutException	Exception thrown when a connection to Adb failed with a timeout.
TimeoutRemainder	Utility class to keep track of how much time is left given an initial timeout.
TimeoutRemainder.DefaultSystemNanoTime
TimeoutRemainder.SystemNanoTimeProvider
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.
TraceCmdCollector	A `IMetricCollector` that collects traces during the test using trace-cmd, and logs them to the invocation.
TracePropagatingExecutorService	An executor service that forwards tasks to an underlying implementation while propagating the tracing context.
TracingLogger	Class that helps to manage tracing for each test invocation.
TradefedConfigObject	A class to model a TradefedConfigObject message of TFC API.
TradefedConfigObject.Type	A list of configuration object types which can be injected to a cluster command config.
TradefedDelegator	Objects that helps delegating the invocation to another Tradefed binary.
TradefedFeatureClient	A grpc client to request feature execution from the server.
TradefedFeatureServer	A server that responds to requests for triggering features.
TradefedSandbox	Sandbox container that can run a Trade Federation invocation.
TradefedSandboxFactory	Default implementation for SandboxFactory
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.
UploadManifest	A manifest of the BLOBs and files to upload.
UploadManifest.Builder
UsbResetMultiDeviceRecovery	A `IMultiDeviceRecovery` which resets USB buses for offline devices.
UsbResetRunConfigRecovery	Allow to trigger a command to reset the USB of a device
UsbResetTest	An `IRemoteTest` that reset the device USB and checks whether the device comes back online afterwards.
UserChecker	Checks if users have changed during the test.
UserCleaner	A `ITargetPreparer` that removes secondary users on teardown.
UserHelper
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
VersionedFile	Data structure representing a file that has an associated version.
VersionParser	Fetch the version of the running tradefed artifacts.
VisibleBackgroundUserPreparer	Target preparer for running tests in a user that is started in the visible in the background.
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.
WifiCommandUtil	A utility class that can parse wifi command outputs.
WifiCommandUtil.ScanResult	Represents a wifi network containing its related info.
WifiHelper	Helper class for manipulating wifi services on device.
WifiPreparer	A `ITargetPreparer` that configures wifi on the device if necessary.
WorkUnitType	Enum representing possible work unit types.

X

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.
XmlSuiteResultFormatter	Utility class to save a suite run as an XML.
XmlSuiteResultFormatter.RunHistory	Helper object for JSON conversion.
XmlTestRunListener	Writes JUnit results to an XML files in a format consistent with Ant's XMLJUnitResultFormatter.

Y

YamlClassOptionsParser Helper to parse test runner information from the YAML Tradefed Configuration.

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