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 | 
| 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. | 
| AdbRootElevator | An AutoCloseablethat enables adb root when constructed if needed and restores
 root state when complete. | 
| 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. | 
| AfterClassWithInfo | Similar guarantees as AfterClassbut method annotated must require aTestInformationparameter. | 
| 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. | 
| AllTestAppsInstallSetup | A ITargetPreparerthat installs all apps from aIDeviceBuildInfo.getTestsDir()folder onto device. | 
| AltDirBehavior | An enum to define alternative directory behaviors for various test artifact installers/pushers 
 | 
| AnalysisHeuristic | Order is important. | 
| 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 | ITargetPreparerthat executes a series of actions (e.g. clicks and swipes) using the
 Android Open Accessory (AOAv2) protocol. | 
| 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 IBuildInfothat represents an Android application and its test package(s). | 
| AppDeviceBuildInfo | This class is deprecated.
    Use IDeviceBuildInfodirectly. | 
| AppSetup | A ITargetPreparerthat 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 Optionfields from parsed command line arguments. | 
| 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. | 
| ATestFileSystemLogSaver | This LogSaver class is used by ATest to save logs in a specific path. | 
| AtestRunner | Implementation of ITestSuite | 
| AtraceCollector | A IMetricCollectorthat 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. | 
| AveragePostProcessor | Implementation of post processor that calculate the average of the list of metrics. | 
B
| BackgroundDeviceAction | Runs a command on a given device repeating as necessary until the action is canceled. | 
| BaseDeviceMetricCollector | Base implementation of IMetricCollectorthat allows to start and stop collection ononTestRunStart(com.android.tradefed.device.metric.DeviceMetricData)andERROR(/#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 ILeveledLogOutputthat allows to filtering some tags based on
 their name or components. | 
| BaseModuleController | Basic implementation of IModuleControllerthat should be implemented for checking if a
 module should run or not. | 
| BaseMultiTargetPreparer | Base implementation of IMultiTargetPreparerthat allows to disable the object. | 
| BasePostProcessor | The base IPostProcessorthat every implementation should extend. | 
| BaseRetryDecision | Base implementation of IRetryDecision. | 
| BaseStreamLogger<OS extends OutputStream> | A ILeveledLogOutputthat directs log messages to an output stream and to stdout. | 
| BaseTargetPreparer | Base implementation class for ITargetPreparerthat allows to control whether the object
 is disabled or not. | 
| BaseTestSuite | A Test for running Compatibility Test Suite with new suite system. | 
| 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 BeforeClassbut method annotated must require aTestInformationparameter. | 
| 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:
  | 
| BootstrapBuildProvider | A IDeviceBuildProviderthat bootstraps build info from the test deviceThis 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 ITestInvocationListenerthat collects bugreports when configurable events
 occur and then callsITestInvocationListener.testLogon 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 IBuildInfothat should be associated
 with aITestDevice. | 
| 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 ITargetPreparerthat 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. | 
| ByteStreamDownloader | A client implementing the Readmethod of theByteStreamgRPC service. | 
| ByteStreamUploader | A client implementing the Writemethod of theByteStreamgRPC service. | 
C
| CacheClientFactory | A factory that creates a singleton instance of ICacheClient. | 
| CarModuleController | This controller prevents execution of tests cases on non-automotive devices. | 
| CarryDnaeError | Internal RuntimeExceptionto carryDeviceNotAvailableExceptionthrough 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. | 
| 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 CompanionAwarePreparerthat verifies BT bonding between primary and companion devices | 
| Chunker | Splits a blobinto one or moreChunks of at mostchunkSizebytes. | 
| Chunker.Chunk | A piece of a blob. | 
| 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 BaseDeviceMetricCollectorthat 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 | ConfigurationExceptionfor when the class of an object is not found. | 
| ClassPathScanner | Finds entries on classpath. | 
| ClassPathScanner.ClassNameFilter | A IClassPathFilterthat filters and transforms java class names. | 
| ClassPathScanner.ExternalClassNameFilter | A ClassNameFilterthat rejects inner classes | 
| ClassPathScanner.IClassPathFilter | A filter for classpath entry paths
 
 Patterned after FileFilter | 
| Client | ResultDB recorder client that uploads test results to ResultDB. | 
| 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 IBuildInfoclass for builds piped from TFC. | 
| ClusterBuildProvider | A IBuildProviderto download TFC test resources. | 
| ClusterClient | A IClusterClientimplementation 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 IRemoteTestclass to launch a command from TFC via a subprocess TF. | 
| ClusterCommandScheduler | A ICommandSchedulerto 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 IDeviceMonitorimplementation that reports results to the Tradefed Cluster service. | 
| ClusterEventUploader<T extends IClusterEvent> | ClusterEventUploader class, which uploads IClusterEventto 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 ILogSaverclass to upload test outputs to TFC. | 
| ClusterLogSaver.FilePickingStrategy | File picking strategies. | 
| ClusterOptions | |
| CodeCoverageCollector | A BaseDeviceMetricCollectorthat 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 IShellOutputReceiverwhich collects the whole shell output into abyte[]. | 
| CollectingOutputReceiver | A IShellOutputReceiverwhich collects the whole shell output into oneString. | 
| CollectingTestListener | A ITestInvocationListenerthat will collect all test results. | 
| CollectorHelper | Helper to do some IMetricCollectoroperations 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 IBuildInfofrom them. | 
| CommandOptions | Implementation of ICommandOptions. | 
| CommandOptionsGetter | Service implementation that returns the command options value of a given invocation. | 
| 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 
 | 
| CompanionAwarePreparer | An ITargetPreparerthat 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  | 
| CompanionDeviceTracker | A class for allocating and freeing companion devices | 
| CompanionRunCommandTargetPreparer | A ITargetPreparerthat runs specified commands on the allocated companion device | 
| CompanionTestAppInstallSetup | A ITargetPreparerthat installs one or more apps from aIDeviceBuildInfo.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.IMatcherthat matches any object. | 
| ConditionPriorityBlockingQueue.IMatcher<T> | An interface for determining if elements match some sort of condition. | 
| ConfigCompleter | Implementation of the Completerfor our TF configurations. | 
| ConfigurableGrpcDynamicShardingClient | |
| Configuration | A concrete IConfigurationimplementation 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 
 | 
| Console.ArgRunnable<T> | A Runnablewith arunmethod 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'sLineReaderunfinishedLine. | 
| 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. | 
| CountingTestResultListener | A TestResultListenerthat tracks the total number of tests byTestStatus | 
| 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 ITargetPreparerthat 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. | 
| 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
| DebugHostLogOnFailureCollector | Collector that will gather and log the host-side logs when a test case failure occurs. | 
| 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 RemoteAndroidTestRunnerto set some default for Tradefed use
 cases. | 
| DefaultTestsZipInstaller | A default implementation of tests zip installer. | 
| DelegatedInvocationExecution | InvocationExecutionwhich 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 ITargetPreparerto 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 IRemoteTestthat 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 IBuildInfothat represents a complete Android device build and (optionally) its tests. | 
| DeviceBuildInfoBootStrapper | A ITargetPreparerthat replaces build info fields with attributes read from deviceThis is useful for testing devices with builds generated from an external source (e.g. | 
| DeviceBuildInfoInjector | A ITargetPreparerthat insertsDeviceBuildDescriptormetadata into theIBuildInfo. | 
| 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  | 
| DeviceConcurrentUtil.ShellCommandCallable<V> | A ERROR(/Callable)that wraps the details of executing shell command on
 anITestDevice. | 
| DeviceConfigurationHolder | A concrete IDeviceConfigurationimplementation that stores the loaded device
 configuration objects in its attributes. | 
| 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 ITargetPreparerthat flashes an image on physical Android hardware. | 
| DeviceFoldableState | Representation of device foldable state as returned by "cmd device_state print-states". | 
| DeviceFolderBuildInfo | A IDeviceBuildInfothat 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. | 
| 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 ExternalResourceandTestRule. | 
| DeviceJUnit4ClassRunner.TestMetrics | Implementation of ExternalResourceandTestRule. | 
| 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. | 
| DeviceMonitorMultiplexer | A proxy class to propagate requests to multiple IDeviceMonitors. | 
| DeviceNotAvailableException | Thrown when a device is no longer available for testing. | 
| DeviceOwnerTargetPreparer | An ITargetPreparerthat 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 ITargetPreparerthat configures a device for testing based on providedOptions. | 
| 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 Suitein order to provide aITestDeviceto 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 IRemoteTestandIDeviceTestservices. | 
| DeviceTestResult | An specialization of TestResultthat will abort when aDeviceNotAvailableExceptionoccurs | 
| DeviceTestResult.RuntimeDeviceNotAvailableException | |
| DeviceTestRunOptions | A builder class for options related to running device tests through BaseHostJUnit4Test. | 
| DeviceTestSuite | Helper JUnit test suite that provides the IRemoteTestandIDeviceTestservices. | 
| 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 DeviceNotAvailableExceptionthat indicates device is visible to adb,
 but is unresponsive (i.e., commands timing out, won't boot, etc) | 
| DeviceUpdateTargetPreparer | An abstract ITargetPreparerthat 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 ITargetPreparerthat 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 ITargetPreparerthat 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. | 
| A helper class to send an email. | |
| EmailHostHealthAgent | A IHostHealthAgentimplementation 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 ITargetPreparerthat 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 IBuildProviderthat returns an already constructedIBuildInfo. | 
| 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 ITargetPreparerthat stages specified files (bootloader, radio, device image zip) intoIDeviceBuildInfoto get devices flashed withFastbootDeviceFlasher, 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 FileDownloadCachefacilities while implementing theIFileDownloaderinterface. | 
| FileIdleMonitor | Monitors files and executes a callback if they have been idle (i.e. | 
| FileInputStreamSource | A InputStreamSourcethat takes an input file. | 
| FileLogger | A ILeveledLogOutputthat directs log messages to a file and to stdout. | 
| FileProtoResultReporter | Proto reporter that dumps the TestRecordinto a file. | 
| FilePullerDeviceMetricCollector | A BaseDeviceMetricCollectorthat 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 ResultForwarderthat only allows an allowlist ofTestDescriptionto 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 FlashingResourcesParserto 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 IModuleParameterHandlerexpanding 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 ITargetPreparerthat pulls directories off device, compresses and saves it into logging
 backend. | 
| FormattedGeneratorReporter | Reporter that allows to generate reports in a particular format. | 
| FreeDeviceState | |
| FuseUtil | A helper class for FUSE operations. | 
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 BaseDeviceMetricCollectorthat will pull gcov
 coverage measurements off of the device and log them as test artifacts. | 
| GcovKernelCodeCoverageCollector | A BaseDeviceMetricCollectorthat 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 ConfigurationFactoryloads configs from Google Cloud Storage. | 
| GCSConfigurationFactory.GCSConfigLoader | Extension of ConfigurationFactory.ConfigLoaderthat 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 IRemoteFileResolverthat 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 IGlobalConfigurationimplementation 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. | 
| 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 IRemoteTestto 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
| HarnessException | Base exception class for exception thrown within the harness. | 
| HarnessIOException | Harness exception that helps carrying file issues. | 
| HarnessRuntimeException | |
| HeapHostMonitor | AbstractHostMonitorimplementation that monitors the heap memory on the host and log it
 periodically to the history log. | 
| HelloWorldMultiTargetPreparer | An example implementation of a IMultiTargetPreparer. | 
| HistoryLogger | TF History Logger, special log that contains only some specific events. | 
| HostGTest | A Test that runs a native test package. | 
| HostMetric | This class represents a host metric sample to be reported. | 
| HostOptions | Host options holder class. | 
| HostStatsdMetricCollector | A IMetricCollectorthat 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 IRemoteFileResolverthat allows downloading remote file via http | 
| HttpsRemoteFileResolver | Implementation of IRemoteFileResolverthat 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 AndroidDebugBridgemethods used in this
 package. | 
| IAppBuildInfo | This interface is deprecated.
    Use IBuildInfodirectly. | 
| IAutoRetriableTest | Interface for an IRemoteTestthat doesn't implementITestFilterReceiverbut 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. | 
| IBuildInfo | Holds information about the build under test. | 
| IBuildInfo.BuildInfoProperties | Some properties that a IBuildInfocan 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 IConfigurations | 
| 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. | 
| IDeviceActionReceiver | Provides an API to receive device events. | 
| IDeviceBuildInfo | A IBuildInfothat represents a complete Android device build and (optionally) its tests. | 
| IDeviceBuildProvider | A IBuildProviderthat uses information from aITestDeviceto retrieve a build. | 
| IDeviceConfiguration | Device Configuration Holder Interface. | 
| IDeviceFlasher | Flashes a device image on a device. | 
| IDeviceFlasher.UserDataFlashOption | Enum of options for handling the userdata image | 
| IDeviceManager | Interface for managing the set of available devices for testing. | 
| IDeviceManager.IFastbootListener | A listener for fastboot state changes. | 
| IDeviceMonitor | Interface for monitoring state of devices. | 
| IDeviceMonitor.DeviceLister | A Runnable-like class that should return the known devices and their states. | 
| IDeviceRecovery | Interface for recovering a device that has gone offline. | 
| IDeviceSelection | Interface for device selection criteria. | 
| 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. | 
| 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 FileEntrymethods. | 
| 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 IBuildInfowhose build artifacts are containing in a local filesystem
 directory. | 
| IFormatterGenerator | Interface describing a formatter for SuiteResultHolder. | 
| IGlobalConfiguration | A class to encompass global configuration information for a single Trade Federation instance (encompassing any number of invocations of actual configurations). | 
| 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. | 
| 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  | 
| ILeveledLogOutput | Classes which implement this interface provides methods that deal with outputting log messages. | 
| ILogcatReceiver | A class that provides the output of a device's logcat as an InputStreamSource. | 
| ILogRegistry | An interface for a ILogOutputsingleton 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 ITestInvocationListeners 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 IManagedTestDevices | 
| IMetricCollector | This interface will be added as a decorator when reporting tests results in order to collect matching metrics. | 
| IMetricCollectorReceiver | Interface for IRemoteTests to implement if they need to get the list ofIMetricCollectors 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. | 
| 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 ITargetPreparerthat installs all apps in a test zip. | 
| InstallApexModuleTargetPreparer | |
| InstallApkSetup | A ITargetPreparerthat installs one or more apks located on the filesystem. | 
| InstallBuildEnvApkSetup | A ITargetPreparerthat installs one or more test apks from an Android platform build env. | 
| InstalledInstrumentationsTest | Runs all instrumentation found on current device. | 
| InstallKernelModulePreparer | A target preparer that install kernel modules. | 
| InstantAppHandler | Handler for ModuleParameters.INSTANT_APP. | 
| InstrumentationPreparer | A ITargetPreparerthat 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 TestSummaryfor set of listeners | 
| InvocationToJUnitResultForwarder | A class that listens to ITestInvocationListenerevents and forwards them to aTestListener. | 
| 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. | 
| 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 IRemoteFeatureto support passing inIScheduledInvocationListeners. | 
| IRemoteTest | A test that reports results directly to a ITestInvocationListener. | 
| IReportNotExecuted | In case of an incomplete execution, IRemoteTestthat 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 Optionwith a "set-option" name linked toHostTest.SET_OPTION_NAME. | 
| IShardableListener | A ITestInvocationListenerthat can be sharded. | 
| IShardableTest | A IRemoteTestthat can be split into separately executable sub-tests. | 
| IShardHelper | Interface of an object that describes the sharding strategy to adopt for a configuration. | 
| 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. | 
| ISupportGranularResults | Interface specifying whether a ITestInvocationListenersupports 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 IRemoteTestthat requires access to theISystemStatusCheckerfrom 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. | 
| 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 TestInformationfor 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 ITestLoggerinstance so that it can be used for
 logging purposes. | 
| ITestsPool | Interface describing a pool of tests that we can access and run | 
| 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 ITestInvocationListenerto 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 IRemoteTestcan 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 BaseDeviceMetricCollectorthat 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. | 
| JSONFileKeyStoreClient | A sample implementation where a local JSON file acts a key store. | 
| JSONFileKeyStoreFactory | Implementation of a JSON KeyStore Factory, which provides a JSONFileKeyStoreClientfor
 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 aTest.run(TestResult)call. | 
| JUnitToInvocationResultForwarder | A class that listens to TestListenerevents and forwards them to anITestInvocationListener. | 
| 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 ITargetPreparerthat 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 IShellOutputReceiverthat parses the output of a 'pm list instrumentation' query | 
| ListInstrumentationParser.InstrumentationTarget | |
| LocalAndroidVirtualDevice | The class for local virtual devices running on TradeFed host. | 
| LocalAppBuildProvider | A IBuildProviderthat constructs aIBuildInfobased on a provided local path | 
| LocalDeveloper | Detects and returns whether this is a local developer running Tradefed. | 
| LocalDeviceBuildProvider | A IBuildProviderthat constructs aIDeviceBuildInfobased 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 IRemoteFileResolverthat allows linking local files | 
| LocalFolderBuildProvider | A IBuildProviderthat constructs aIFolderBuildInfobased 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 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. | 
| 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 ILogRegistryimplementation that multiplexes and manages different loggers,
 using the appropriate one based on theThreadGroupof the thread making the call. | 
| LogSaverResultForwarder | A ResultForwarderfor saving logs with the global file saver. | 
| LogUtil | A logging utility class. | 
| LogUtil.CLog | A shim class for Logthat 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 IMultiTargetPreparerthat 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. | 
| MetricOption | Annotation for test methods annotated with @Test, or if the annotation is part of the
 annotation list ofTestDescriptionthat 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 TestCasethat 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. | 
| 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 IMultiTargetPreparerthat mixes a system build's images in a device build. | 
| MixKernelTargetPreparer | A ITargetPreparerthat allows to mix a kernel image with the device image. | 
| 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 IRemoteTestof 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 ITestSuiteandModuleDefinitionafter a split. | 
| ModuleOemTargetPreparer | |
| ModuleParameters | Special values associated with the suite "parameter" keys in the metadata of each module. | 
| ModuleParametersHelper | Helper to get the IModuleParameterHandlerassociated 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 ResultAndLogForwarderthat adds extra module related metrics to the test
 results. | 
| ModuleSplitter | Helper to split a list of modules represented by IConfigurationinto a list of execution
 units represented byModuleDefinition. | 
| ModuleTestTypeUtil | Contains common utility methods for checking module. | 
| MultiFailureDescription | Collect multiple FailureDescriptionin one holder. | 
| MultiMap<K, V> | A ERROR(/Map)that supports multiple values per key. | 
N
| NameMangleListener | A proxy listener to translate test method, class, and package names as results are reported. | 
| NativeBenchmarkTest | A Test that runs a native benchmark test executable on given device. | 
| NativeBenchmarkTestParser | A IShellOutputReceiverthat 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 ITestDeviceNon-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 IDevicewith no framework support. | 
| NativeLeakCollector | A ITargetPreparerthat runs 'dumpsys meminfo --unreachable -a' to identify the
 unreachable native memory currently held by each process. | 
| NativeStressTest | A Test that runs a native stress test executable on given device. | 
| NativeStressTestParser | A IShellOutputReceiverthat 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 SuiteModuleLoaderthat the secondary abi should not
 create a module. | 
| NullDevice | A placeholder IDeviceused byDeviceManagerto allocate whenIDeviceSelection.nullDeviceRequested()istrue | 
O
| OpenObjectLoader | Loader for the default objects available in AOSP. | 
| Option | Annotates a field as representing a IConfigurationoption. | 
| Option.Importance | |
| OptionClass | Annotates a class as representing a IConfigurationobject. | 
| OptionCopier | A helper class that can copy Optionfield 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 ConfigurationExceptionwhen an option is not allowed to be passed in the command
 line. | 
| OptionSetter | Populates Optionfields. | 
| OptionSetter.Handler<T> | |
| OptionSetter.MapHandler | A Handlerto 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 IDeviceBuildInfoused for over-the-air update testing. | 
| OtatoolsBuildInfo | An IBuildInfothat 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. | 
| 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 InvocationExecutionfor 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 ITestInvocationListenerthat saves the list of passing test cases to a test file | 
| 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 | Base implementation of FilePullerDeviceMetricCollectorthat allows
 pulling the perfetto files from the device and collect the metrics from it. | 
| PerfettoPullerMetricCollector.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 | |
| 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. | 
| PropertyChanger | A utility class for changing (or adding) items in an Android property file | 
| ProtoResultParser | Parser for the Tradefed results proto format. | 
| ProtoResultParser.TestLevel | Enumeration representing the current level of the proto being processed. | 
| ProtoResultReporter | Result reporter build a TestRecordprotobuf 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 PushFilePreparerinstead | 
| PushFilePreparer | A ITargetPreparerthat 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 ITestInvocationListeners. | 
| PythonUnitTestRunner | This class is deprecated.
    Use PythonBinaryHostTestinstead. | 
| 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
| RebootReasonCollector | Collector that collects device reboot during the test run and report them by reason and counts. | 
| RebootTargetPreparer | Target preparer that reboots the device. | 
| RecoveryLogPreparer | A target preparer used to collect logs before recovery. | 
| RegexTrie<V> | The RegexTrie is a trie where each ERROR(/Pattern). | 
| RemoteAndroidDevice | Implementation of a ITestDevicefor a full stack android device connected via
 adb connect. | 
| RemoteAndroidTestRunner | Runs a Android test command remotely and reports results. | 
| RemoteAndroidTestRunner.StatusReporterMode | Represents a status reporter mode in am instrument command options. | 
| RemoteAndroidVirtualDevice | Extends RemoteAndroidDevicebehavior for a full stack android device running in the
 Google Compute Engine (Gce). | 
| RemoteAvdIDevice | A placeholder IDeviceused byDeviceManagerto allocate whenDeviceSelectionOptions.gceDeviceRequested()istrue | 
| 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 InvocationExecutionthat drives a remote execution. | 
| RemoteInvocationExecution.FileOptionValueTransformer | |
| 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 ITargetPreparerfor 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 | |
| ResultDBUtil | Utility class for ResultDB reporter. | 
| ResultForwarder | A ITestInvocationListenerthat forwards invocation results to a list of other listeners. | 
| ResultsPlayer | Special runner that replays the results given to it. | 
| RetentionFileSaver | Helper class for creating a .retention file in a directory. | 
| RetryConfigurationFactory | Factory that handles retrying a command. | 
| 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 ResultForwarderthat 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 IMultiDeviceRecoveryto 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 RunNotifierso we can carry theDeviceNotAvailableException. | 
| RunOnCloneProfileParameterHandler | |
| RunOnCloneProfileTargetPreparer | |
| RunOnPrivateProfileParameterHandler | |
| RunOnPrivateProfileTargetPreparer | |
| RunOnSdkSandboxHandler | Handler for ModuleParameters.RUN_ON_SDK_SANDBOX. | 
| RunOnSdkSandboxTargetPreparer | An ITargetPreparerto marks that tests should run in the sdk sandbox. | 
| RunOnSecondaryUserParameterHandler | |
| RunOnSecondaryUserTargetPreparer | An ITargetPreparerto ensure that the test runs as a secondary user. | 
| RunOnSystemUserTargetPreparer | An ITargetPreparerthat marks that tests should be run on the user (rather than the
 current user). | 
| RunOnWorkProfileParameterHandler | |
| RunOnWorkProfileTargetPreparer | An ITargetPreparerthat 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 ITestInvocationListeners. | 
| 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 ITestInvocationListeners. | 
S
| SandboxConfigDump | Runner class that creates a IConfigurationbased 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 IConfigurationwhen 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. | 
| 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 ITestInvocationListenerthat 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 ResultForwarderthat combines the results of a sharded test invocations. | 
| ShellOutputReceiverStream | Utility subclass of OutputStream that writes into an IShellOutputReceiver. | 
| ShellStatusChecker | Check if the shell status is as expected before and after a module run. | 
| ShippingApiLevelModuleController | Run tests if the device meets the following conditions: 
 | 
| ShowmapPullerMetricCollector | Base implementation of FilePullerDeviceMetricCollectorthat 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 ILeveledLogOutputthat 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 SkipManagerinformation. | 
| 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. | 
| 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 ISystemStatusCheckerexecution. | 
| StatusCheckerResult.CheckStatus | |
| StdoutLogger | A ILeveledLogOutputthat directs log messages to stdout. | 
| StopServicesSetup | A ITargetPreparerthat 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 IDeviceused byDeviceManagerto allocate whenDeviceSelectionOptions.localVirtualDeviceRequested()istrue | 
| 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 ITestInvocationListenerto 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 IRemoteTestfor 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 ITargetPreparerthat switches to the specified user kind in setUp. | 
| SystemServerFileDescriptorChecker | Checks if system server appears to be running out of FDs. | 
| SystemServerStatusChecker | Check if the pid of system_server has changed from before and after a module run. | 
| SystemUpdaterDeviceFlasher | A IDeviceFlasherthat 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 ITargetPreparerthat waits until device's temperature gets down to target | 
| TemplateResolutionError | Class extending ConfigurationExceptionfor 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 ITargetPreparerthat installs one or more apps from aIDeviceBuildInfo.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 ITestDevicefor a full stack android device | 
| TestDevice.MicrodroidBuilder | A builder used to create a Microdroid TestDevice. | 
| TestDeviceOptions | Container for ITestDeviceOptions | 
| 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 ITargetPreparerthat pushes one or more files/dirs from aIDeviceBuildInfo.getTestsDir()folder onto device. | 
| TestFilterHelper | Helper class for filtering tests | 
| TestGroupStatus | A class to store status of a test group. | 
| 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 TestInformationinstance. | 
| 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 BaseTestSuiteto 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 TestRecordproto into a more easily manipulable format in Tradefed. | 
| TestRecordProtoUtil | Utility to read the TestRecordproto 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. | 
| 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. | 
| TestRunResultListener | Listener that allows to read the final test run status. | 
| TestRunToTestInvocationForwarder | Forwarder from ddmlib ITestRunListenertoITestLifeCycleReceiver. | 
| 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. | 
| TestSuiteInfo | A class that resolves loading of build related metadata for test suite 
 To properly expose related info, a test suite must include a
  | 
| TestSummary | A class to represent a test summary. | 
| TestSummary.Type | |
| TestSummary.TypedString | |
| TestSystemAppInstallSetup | A ITargetPreparerthat installs one or more apps from aIDeviceBuildInfo.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 | 
| TfObjectTracker | A utility to track the usage of the different Trade Fedederation objects. | 
| TfSuiteRunner | Implementation of ITestSuitewhich will load tests from TF jars res/config/suite/
 folder. | 
| TfTestLauncher | A IRemoteTestfor running unit or functional tests against a separate TF installation. | 
| 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 IMetricCollectorthat 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 TradefedSandboxthat will allow executing the sandbox. | 
| TradefedSandboxRunner.StubScheduledInvocationListener | A stub IScheduledInvocationListenerthat 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 MultiMapthat ensures unique values for each key. | 
| UploadManifest | A manifest of the BLOBs and files to upload. | 
| UploadManifest.Builder | |
| UsbResetMultiDeviceRecovery | A IMultiDeviceRecoverywhich resets USB buses for offline devices. | 
| UsbResetRunConfigRecovery | Allow to trigger a command to reset the USB of a device | 
| UsbResetTest | An IRemoteTestthat reset the device USB and checks whether the device comes back online
 afterwards. | 
| UserChecker | Checks if users have changed during the test. | 
| UserCleaner | A ITargetPreparerthat 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 IConfigurationloaded 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 IDeviceRecoverythat waits for device to be online and
 respond to simple commands. | 
| WaitForDeviceDatetimePreparer | A ITargetPreparerthat waits for datetime to be set on deviceOptionally this preparer can force a  | 
| 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 ITargetPreparerthat configures wifi on the device if necessary. | 
X
| XmlFormattedGeneratorReporter | Implementation of the FormattedGeneratorReporterwhich 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. | 
Y
| YamlClassOptionsParser | Helper to parse test runner information from the YAML Tradefed Configuration. | 
Z
| ZipCompressionStrategy | An ICompressionStrategyfor 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 | 
