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类索引

这些是 API 类。查看所有API 包。

一个

Aapt解析器	通过解析“aapt dump badging”的输出从 apk 中提取信息的类。
AaptParser.AaptVersion	用于解析 APK 文件的 AAPT 版本的选项枚举。
阿比	代表 ABI 的类。
AbiFormatter	abi 的实用程序类。
AbiUtils	用于处理设备 ABI 的实用程序类
抽象主机监视器	主机健康监控的典型类。
AbstractXml解析器	用于解析 xml 文件的助手基类
AbstractXmlParser.ParseException	如果无法解析 XML 输入，则抛出
AcloudConfigParser	解析 Acloud 配置的助手类（用于启动云设备实例）。
AcloudConfigParser.AcloudKeys	可以从配置中搜索到的键集。
行动进行中	正在进行的一般操作。
主动追踪	帮助描述和管理活动跟踪的主类。
活动状态检查器	在模块结束时运行的剩余活动的状态检查器。
AdbRootElevator	一个`AutoCloseable` ，如果需要，在构造时启用 adb root 并在完成时恢复 root 状态。
AdbStopServerPreparer	目标准备者在运行 adb 测试之前和之后停止主机上的 adb 服务器。
AdbUtils	用于 adb 操作的实用程序类。
AfterClassWithInfo	与`AfterClass`类似的保证，但注解的方法必须需要`TestInformation`参数。
聚合后处理器	一个度量聚合器，它为在多次迭代测试运行期间收集的数字度量提供最小值、最大值、平均值、方差、标准差、总数、计数和可选的百分位数，将它们视为双精度数。
AllTestAppsInstallSetup	将`ITargetPreparer` `IDeviceBuildInfo#getTestsDir()`文件夹中的所有应用程序安装到设备上的 ITargetPreparer。
AltDirBehavior	为各种测试工件安装程序/推送程序定义替代目录行为的枚举
AndroidJUnitTest	使用 android.support.test.runner.AndroidJUnitRunner 在给定设备上运行检测测试包的测试。
AoaTargetPreparer	`ITargetPreparer`使用 Android Open Accessory (AOAv2) 协议执行一系列操作（例如点击和滑动）。
AppBuildInfo	代表 Android 应用程序及其测试包的`IBuildInfo` 。
AppDeviceBuildInfo	此类已弃用。直接使用`IDeviceBuildInfo` 。
应用程序设置	安装 apk 及其测试的`ITargetPreparer` 。
AppVersionFetcher	从设备获取应用程序版本字符串的实用程序类。
AppVersionFetcher.AppVersionInfo	应用版本信息类型。
ArchModuleController	模块控制器在与任何给定架构不匹配时不运行测试。
ArgsOptionParser	从解析的命令行参数填充`Option`字段。
ArrayUtil	数组的实用方法
ArtChrootPreparer	为 ART 测试创建 chroot 目录。
ArtGTest
ArtRunTest	运行 ART 运行测试的测试运行器。
ArtRunTest.AdbShellCommandException	一个异常类，用于报告在执行 ADB shell 命令期间发生的错误。
ATestFileSystemLogSaver	ATest 使用此 LogSaver 类将日志保存在特定路径中。
AtestRunner	`ITestSuite`的实现
追踪收藏家	在测试期间运行跟踪并收集结果并将它们记录到调用的`IMetricCollector` 。
AtraceRunMetricCollector	从测试设备的给定目录下的所有测试目录中收集跟踪，记录测试目录并后处理测试目录下的跟踪文件并聚合指标。
自动记录收集器	描述哪个收集器可以由线束自动处理的枚举。
自动记者	定义来自 Tradefed 自动报告器的映射的类。
平均后处理器	计算指标列表平均值的后处理器的实现。

乙

背景设备动作	根据需要在给定设备上重复运行命令，直到取消操作。
BaseDeviceMetricCollector	`IMetricCollector`的基本实现，允许在`onTestRunStart(com.android.tradefed.device.metric.DeviceMetricData)`和`ERROR(/#onTestRunEnd(com.android.tradefed.device.metric.DeviceMetricData,Map))`上开始和停止收集。
BaseEmulatorPreparer	用于启动本地模拟器的通用准备器。
BaseHostJUnit4Test	用于运行主机 JUnit4 样式测试的基本测试类。
BaseLeveledLog输出	`ILeveledLogOutput`的基本实现，允许根据名称或组件过滤某些标签。
基本模块控制器	`IModuleController`的基本实现，应该用于检查模块是否应该运行。
BaseMultiTargetPreparer	允许禁用对象的`IMultiTargetPreparer`的基本实现。
基本后处理器	每个实现都应该扩展的基础`IPostProcessor` 。
BaseRetryDecision	`IRetryDecision`的基本实现。
BaseStreamLogger <OS 扩展 OutputStream>	将日志消息定向到输出流和标准输出的`ILeveledLogOutput` 。
BaseTargetPreparer	`ITargetPreparer`的基本实现类，允许控制对象是否被禁用。
基本测试套件	使用新套件系统运行兼容性测试套件的测试。
电池控制器	允许控制设备的电池充电状态的实用程序类。
BatteryRechargeDeviceRecovery	允许在设备的电池电量低于给定阈值时触发命令。
电池温度
BatteryUnavailableDeviceRecovery	如果电池电量不可用，将触发配置的恢复检查器。
BeforeClassWithInfo	与`BeforeClass`类似的保证，但注解的方法必须需要一个`TestInformation`参数。
二进制状态	枚举用于记录具有 IGNORE 无操作状态的 ON/OFF 状态。
蓝牙连接延迟收集器	收集器会将预定义的 statsd 持续时间指标配置推送到设备并收集每个配置文件的蓝牙连接持续时间。
蓝牙连接状态收集器	此收集器将收集 BluetoothConnectionStateChanged 指标并记录每个配置文件的连接状态数。
蓝牙连接成功率后处理器	计算蓝牙配置文件成功率的后处理器的实现使用“metric-key-match”在数值数组 Example [0, 1, 2, 3, 0, 1, 2, 3] 中指定包含蓝牙连接状态的指标。
蓝牙实用程序	用于在设备上调用 BluetoothInstrumentation 的实用函数设备端 BluetoothInstrumentation 代码可在 AOSP 中找到： `frameworks/base/core/tests/bluetoothtests`
引导构建提供程序	从测试设备引导构建信息的`IDeviceBuildProvider` 这通常用于具有外部提供的构建的设备，即
BootstrapServiceFileResolverLoader	使用服务加载工具加载解析器。
错误报告	保存错误报告文件引用的对象，兼容平面错误报告和压缩错误报告 (bugreportz)。
错误报告收集器	一个传递`ITestInvocationListener` ，它在发生可配置事件时收集错误报告，然后在收集每个错误报告后在其子项上调用`ITestInvocationListener#testLog` 。
BugreportCollector.Filter
BugreportCollector.Freq
BugreportCollector.Noun
BugreportCollector.Predicate	描述何时捕获错误报告的完整谓词。
BugreportCollector.Relation
BugreportCollector.SubPredicate
BugreportzOnFailureCollector	当测试用例失败时收集错误报告。
BugreportzOnTestCaseFailureCollector	当运行中的测试用例失败时收集错误报告。
构建错误	如果提供的构建无法运行，则抛出。
构建信息	应与`ITestDevice`关联的`IBuildInfo`的通用实现。
构建信息键	类持有与构建信息查询相关的枚举。
BuildInfoKey.BuildInfoFileKey	枚举描述可以通过`IBuildInfo.getFile(com.android.tradefed.build.BuildInfoKey.BuildInfoFileKey)`查询的所有已知文件类型。
构建信息记录器	将构建信息元数据写入指定文件的`ITargetPreparer` 。
构建信息工具	帮助操作`IBuildInfo`的 util 类
构建检索错误	检索构建以进行测试时发生致命错误。
构建序列化版本	包含所有`IBuildInfo`的当前序列化版本的类。
BuildTestsZipUtils	Android 构建系统生成的测试 zip 相关操作的帮助类
群发邮件	允许以下配置的电子邮件发件人实用程序：发送间隔、初始突发大小、收件人和邮件总数。
BundletoolUtil	使用 bundletool 命令行在设备上安装 .apks 的实用程序类。
ByteArrayInputStreamSource
字节数组列表	表示轻量级字节数组的类。
字节数组实用程序	对字节数组进行操作的实用程序，例如，将字节转换为整数。

C

汽车模块控制器	该控制器防止在非汽车设备上执行测试用例。
携带DNA错误	内部`RuntimeException`通过 JUnit4 框架携带`DeviceNotAvailableException` 。
携带中断异常	当触发测试阶段超时并且需要从测试执行线程到调用执行线程携带InterruptedException时抛出。
CdmaDeviceFlasher	在带有 CDMA 无线电的物理 Android 设备上闪烁图像的类。
CecControllerTokenProvider	消费电子控制 (CEC) 相关令牌的令牌提供商。
中央目录信息	CentralDirectoryInfo 是一个包含 zip 文件中文件/文件夹信息的类。
CheckPairingPreparer	一个`CompanionAwarePreparer` ，用于验证主设备和配套设备之间的 BT 绑定
CircularAtraceUtil	一个 atrace 实用程序，主要用于在 Monkey 测试期间识别 ANR 的根本原因。
循环字节数组	用于保存固定大小数组的数据结构，该数组用作循环缓冲区，并跟踪数组中所有值的总和。
ClangCodeCoverageCollector	一个`BaseDeviceMetricCollector` ，它将从设备中提取 Clang 覆盖测量并将它们记录为测试工件。
ClassNotFoundConfigurationException	找不到对象的类时的`ConfigurationException` 。
类路径扫描器	查找类路径上的条目。
ClassPathScanner.ClassNameFilter	过滤和转换 java 类名的`IClassPathFilter` 。
ClassPathScanner.ExternalClassNameFilter	拒绝内部类的`ClassNameFilter`
ClassPathScanner.IClassPathFilter	类路径入口路径的过滤器仿效`FileFilter`
发条工具	用于共享多设备逻辑的发条实用程序
CloseableTraceScope	允许通过 try-with-resources 报告跟踪部分的作用域类
集群构建信息	用于从 TFC 管道传输的构建的`IBuildInfo`类。
ClusterBuildProvider	用于下载 TFC 测试资源的`IBuildProvider` 。
集群客户端	用于与 TFC 后端交互的`IClusterClient`实现。
集群命令	表示从 TF Cluster 获取的任务的类。
ClusterCommand.RequestType
集群命令状态	命令在 TF 集群中的状态。
ClusterCommandConfigBuilder	为集群命令构建配置文件的类。
集群命令事件	封装要上传的集群命令事件的类。
ClusterCommandEvent.Builder
ClusterCommandEvent.Type
集群命令启动器	一个`IRemoteTest`类，用于通过子进程 TF 从 TFC 启动命令。
集群命令调度器	支持 TFC（Tradefed Cluster）的`ICommandScheduler` 。
集群命令状态	表示来自 TF Cluster 的命令的状态和取消原因的类。
集群设备信息	封装要上传的集群设备信息的类。
ClusterDeviceInfo.Builder
集群设备监视器	向 Tradefed 集群服务报告结果的`IDeviceMonitor`实现。
ClusterEventUploader <T 扩展IClusterEvent >	ClusterEventUploader 类，将`IClusterEvent`上传到 TFC。
集群主机事件	封装要上传的集群主机事件的类。
ClusterHostEvent.Builder
ClusterHostEvent.HostEventType	不同类型的主机事件的枚举。
集群主机工具	TF Cluster 的静态 util 函数，用于获取全局配置实例、主机信息等。
ClusterLogSaver	将测试输出上传到 TFC 的`ILogSaver`类。
ClusterLogSaver.FilePickingStrategy	文件挑选策略。
集群选项
代码覆盖测试	在给定设备上运行仪器测试包并生成代码覆盖率报告的测试。
收集字节输出接收器	一个`IShellOutputReceiver` ，它将整个 shell 输出收集到一个`byte[]`中。
收集输出接收器	一个`IShellOutputReceiver` ，它将整个 shell 输出收集到一个`String`中。
收集测试监听器	将收集所有测试结果的`ITestInvocationListener` 。
收集器助手	Helper 在几个地方需要做一些`IMetricCollector`操作。
命令文件解析器	包含一组命令行的文件的解析器。
CommandFileParser.CommandLine
命令中断器	允许中断 TradeFederation 命令或将其标记为不可中断的服务。
命令行BuildInfoBuilder	实用程序旨在从命令行捕获通常的构建信息参数并从中创建`IBuildInfo` 。
命令选项	`ICommandOptions`的实现。
CommandOptionsGetter	返回给定调用的命令选项值的服务实现。
命令结果	包含命令的结果。
CommandRunner	另一个 TradeFederation 入口点，它将运行命令行参数中指定的命令，然后退出。
CommandRunner.ExitCode	可能退出的错误代码。
命令调度程序	用于在所有可用设备上运行 TradeFederation 命令的调度程序。
CommandScheduler.HostState	主机不同状态的枚举
命令状态	表示定时操作的状态。
命令状态处理程序	帮助监控和更新调用状态的处理程序。
CommonLogRemoteFileUtil	此实用程序允许避免跨不同远程设备表示的代码重复，用于公共文件的远程日志获取逻辑。
CommonLogRemoteFileUtil.KnownLogFileEntry	远程设备的已知日志条目的表示。
伴随分配器	负责分配和释放配套设备的基类应该实现`getCompanionDeviceSelectionOptions()`来描述分配伴随设备所需的标准
CompanionAwarePreparer	一个`ITargetPreparer` ，它封装了获取已分配的配套设备的逻辑。
同伴感知测试	封装获取和检查配套设备样板的基本测试类子类可以调用`getCompanion()`来检索分配的同伴。
CompanionDeviceTracker	用于分配和释放配套设备的类
CompanionRunCommandTargetPreparer	在分配的配套设备上运行指定命令的`ITargetPreparer`
CompanionTestAppInstallSetup	一个`ITargetPreparer` ，它将`IDeviceBuildInfo#getTestsDir()`文件夹中的一个或多个应用程序安装到分配的配套设备上。
CompileBootImageWithSpeedTargetPreparer	使用编译器过滤器“速度”重新编译引导类路径和系统服务器。
条件故障监视器	监视调用中的任何失败。
ConditionPriorityBlockingQueue <T>	具有`ERROR(/PriorityBlockingQueue)`类操作的线程安全类，可以检索与特定条件匹配的对象。
ConditionPriorityBlockingQueue.AlwaysMatch <T>	匹配任何对象的`ConditionPriorityBlockingQueue.IMatcher` 。
ConditionPriorityBlockingQueue.IMatcher <T>	用于确定元素是否匹配某种条件的接口。
配置完成器	为我们的 TF 配置实现`Completer` 。
配置	将加载的配置对象存储在映射中的具体`IConfiguration`实现。
配置定义	保存配置、其关联对象及其选项的记录。
配置定义.ConfigObjectDef	保存类名信息的对象及其具有的外观编号（例如，如果配置具有两次相同的对象，则第一个将具有第一个外观编号）。
配置描述符	描述配置本身某些方面的配置对象。
ConfigurationDescriptor.LocalTestRunner	用于指示本地测试运行器的枚举。
配置异常	如果无法加载配置则抛出。
配置工厂	用于创建`IConfiguration`的工厂。
ConfigurationFactory.ConfigLoader	`IConfigDefLoader`的实现，它从一个根配置跟踪包含的配置，并在循环包含时引发异常。
ConfigurationFactory.ExceptionLoader
配置工具	处理配置文件的实用程序函数。
ConfigurationXmlParserSettings	一个接受 ConfigurationXmlParser 设置的简单类要将设置传递给此类，别名是必需的。
配置YamlParser	YAML 样式 Tradefed 配置的解析器
配置工具	用于创建、交互和推送 statsd 配置文件的实用程序类。
安慰	TradeFederation 主控制台为用户提供交互界面目前支持的操作如添加一个命令来测试列出设备及其状态列出正在进行的调用列出队列中的命令将调用日志转储到文件/标准输出关闭
Console.ArgRunnable <T>	带有可以接受参数的`run`方法的`Runnable`
Console.CaptureList	`List<List<String>>`的便利类型
ConsoleReaderOutputStream	可用于使`System.out.print()`与用户的`LineReader` unfinishedLine 配合使用的 OutputStream。
控制台结果报告器	结果报告器将测试结果打印到控制台。
内容提供者处理程序	抽象内容提供者交互并允许将设备端内容提供者用于不同操作的处理程序。
计数测试结果监听器	按`TestStatus`跟踪测试总数的`TestResultListener`
CountTestCasesCollector	计算并报告给定`IRemoteTest`的测试用例数。
覆盖测量转发器	将覆盖率测量从构建提供者转发到记录器的占位符测试。
覆盖选项	Tradefed 对象持有覆盖选项。
CoverageOptions.Toolchain
CpuThrottlingWaiter	一个`ITargetPreparer`等待，直到所有内核上的最大频率恢复到可用的最高级别
CreateAvdPreparer
创建用户准备者	目标准备者，用于创建用户并在最后清理它。
当前调用	一个跟踪并提供当前调用信息的类，该信息在调用中的任何位置都很有用。
CurrentInvocation.InvocationInfo	我们将始终为调用填充一些特殊的命名键。
CurrentInvocation.IsolationGrade	描述隔离级别

D

DebugHostLogOnFailureCollector	发生测试用例失败时收集和记录主机端日志的收集器。
DefaultRemoteAndroidTestRunner	扩展 ddmlib `RemoteAndroidTestRunner`为 Tradefed 用例设置一些默认值。
DefaultTestsZipInstaller	测试 zip 安装程序的默认实现。
委托调用执行	`InvocationExecution`将执行委托给另一个 Tradefed 二进制文件。
依赖解析器	一种新型提供程序，允许获取测试的所有依赖项。
设备分配结果	表示命令分配尝试的结果。
设备分配状态	从 IDeviceManager 角度表示设备的分配状态
设备可用检查器	检查以确保模块不会使设备处于离线状态。
设备基线检查器	在每个模块之前设置设备基线设置。
设备基线设置器	用于创建设备基线设置的抽象类。
设备电池电量检查器	一个`IRemoteTest` ，用于检查最低电池电量，如果没有最低电量，则等待电池达到第二个充电阈值。
DeviceBatteryResourceMetricCollector	此收集器收集设备电池指标。
设备构建描述符	`IBuildInfo`的包装类，其中包含用于检索设备平台构建信息的辅助方法。
设备构建信息	代表完整 Android 设备构建和（可选）其测试的`IBuildInfo` 。
DeviceBuildInfoBootStrapper	用从设备读取的属性替换构建信息字段的`ITargetPreparer` 这对于使用从外部源生成的构建测试设备很有用（例如
DeviceBuildInfoInjector	将`ITargetPreparer`元数据插入`DeviceBuildDescriptor`的`IBuildInfo` 。
设备清洁器	测试后执行重新启动或格式化为清理操作，并可选择关闭屏幕
DeviceCleaner.CleanupAction
DeviceCleaner.PostCleanupAction
DeviceConcurrentUtil	包含用于并发设备端命令执行的实用方法和类使用`ERROR(/ExecutorService)`运行以`ShellCommandCallable`实现的命令，并使用`ERROR(/#joinFuture(String,Future,long))`与`ERROR(/ExecutorService)`返回的`ERROR(/Future)`同步以执行命令。
DeviceConcurrentUtil.ShellCommandCallable <V>	一个`ERROR(/Callable)` ，它包含在`ITestDevice`上执行 shell 命令的详细信息。
设备配置持有人	将加载的设备配置对象存储在其属性中的具体`IDeviceConfiguration`实现。
设备描述符	包含描述被测设备的信息的类。
设备断开异常	当设备不再通过其传输类型可访问时抛出，例如，如果设备不再通过 USB 或 TCP/IP 连接可见
设备错误标识符	来自设备错误和设备报告错误的错误标识符。
DeviceFailedToBootError	如果设备在使用构建刷新后无法启动，则抛出此异常。
DeviceFeatureModuleController	模块控制器在不支持某些功能时不运行测试。
设备文件报告器	一个实用程序类，用于检查设备中的文件并将它们发送到`ITestInvocationListener#testLog(String, LogDataType, InputStreamSource)`如果找到）。
DeviceFlashPreparer	在物理 Android 硬件上闪烁图像的`ITargetPreparer` 。
设备可折叠状态	由“cmd device_state print-states”返回的设备可折叠状态的表示。
DeviceFolderBuildInfo	一个`IDeviceBuildInfo` ，它还包含本地文件系统目录中包含的其他构建工件。
DeviceImageZipFlashingTargetPreparer	一个目标准备器，它使用通过特定格式提供的设备图像来刷新设备。
DeviceInternetAccessibilityResourceMetricCollector	收集器 ping google.com 以检查设备是否可以访问互联网。
DeviceJUnit4ClassRunner	JUnit4 测试运行器，也适用`IDeviceTest` 。
DeviceJUnit4ClassRunner.LogAnnotation	假注释旨在将日志带给记者。
DeviceJUnit4ClassRunner.MetricAnnotation	虚假注释旨在将指标传递给记者。
DeviceJUnit4ClassRunner.TestLogData	`ExternalResource`和`TestRule`的实现。
DeviceJUnit4ClassRunner.TestMetrics	`ExternalResource`和`TestRule`的实现。
DeviceJUnit4ClassRunnerBuilder	提供`RunnerBuilder`的`DeviceJUnit4ClassRunner` ，专门用于为`ERROR(LongevitySuite/android.host.test.longevity.LongevitySuite LongevitySuite)`和`LongevityHostRunner`提供跑步者。
设备管理GrpcServer	GRPC 服务器允许从 Tradefed 保留设备。
装置经理
DeviceManager.FastbootDevice	Fastboot 模式下的设备表示。
设备度量数据	保存度量收集器收集的所有数据的对象。
设备监视器多路复用器	将请求传播到多个`IDeviceMonitor`的代理类。
DeviceNotAvailableException	当设备不再可用于测试时抛出。
DeviceOwnerTargetPreparer	设置设备所有者组件的`ITargetPreparer` 。
DeviceParameterizedRunner	JUnit4 风格的参数化运行器，用于主机端驱动的参数化测试。
设备属性	设备端属性名称的通用常量定义
DeviceRecoveryModeUtil
设备发布报告器	处理与父进程通信的设备释放报告器要释放的设备。
设备重置功能	设备重置的服务器端实现。
设备复位处理程序	通用处理设备重置的实用程序。
设备运行时异常	当设备操作未产生预期结果时抛出。
设备选择选项	设备选择标准的容器。
DeviceSelectionOptions.DeviceRequestedType	支持的不同可能类型的占位符设备。
设备设置检查器	检查在模块运行期间设备设置是否已更改。
设备设置	一个`ITargetPreparer` ，它根据提供的`Option`配置设备进行测试。
设备状态监视器	用于监视`IDevice`状态的助手类。
DeviceStorageAgeResourceMetricCollector	从 logcat 解析存储年龄。
设备存储填充器	目标准备者填满存储空间，以便有一些可用空间。
设备存储状态检查器	检查设备是否有足够的磁盘空间用于给定的分区。
DeviceStringPusher	目标准备者将字符串写入文件。
设备套件	扩展 JUnit4 容器`Suite` ，以便为需要它的测试提供`ITestDevice` 。
设备测试用例	提供`IRemoteTest`和`IDeviceTest`服务的 Helper JUnit 测试用例。
设备测试结果	发生`DeviceNotAvailableException`时将中止的`TestResult`特化
DeviceTestResult.RuntimeDeviceNotAvailableException
设备测试运行选项	与通过 BaseHostJUnit4Test 运行设备测试相关的选项的构建器类。
设备测试套件	提供`IRemoteTest`和`IDeviceTest`服务的 Helper JUnit 测试套件。
设备不可用监视器	此侦听器仅尝试捕获测试用例级别的 DNAE。
设备无响应异常	`DeviceNotAvailableException`的一种特殊化，表示设备对 adb 可见，但无响应（即命令超时、无法启动等）
DeviceUpdateTargetPreparer	一个抽象的`ITargetPreparer` ，它负责使用来自外部源的设备映像文件（而不是构建服务）更新设备的常见步骤。
DeviceWifiResourceMetricCollector	收集器收集当前连接的 wifi 信号强度和链接速度指标。
DeviceWiper	擦除用户数据的`ITargetPreparer`
有向图<V>	有向未加权图实现。
禁用 SELinuxTargetPreparer	禁用 SELinux（如果启用）的目标准备器。
DryRunKeyStore	用于试运行的密钥库，其中始终正确替换和找到任何密钥库值。
DryRunner	透明地干运行测试，而不是实际执行它们。
动态文件存根测试	这是一个 tradefed 测试，用于测试 tradefed 能否正确解析动态文件。
动态远程文件解析器	帮助解析远程文件路径的类。
DynamicRemoteFileResolver.FileResolverLoader	加载`IRemoteFileResolver`的实现。
动态系统准备器	一个`ITargetPreparer` ，它在使用动态系统更新的设备构建之上设置系统映像。

乙

早期设备发布功能	用于早期设备发布的功能服务器实现。
电子邮件	发送电子邮件的助手类。
电子邮件主机健康代理	从主机监视器报告发送电子邮件的`IHostHealthAgent`实现
EmmaXml 常量	解析 emma xml 报告时使用的常量。
EmulatorMemoryCpuCapturer
EndCentralDirectoryInfo	EndCentralDirectoryInfo 是一个包含 zip 文件整体信息的类。
强制SeLinuxChecker	确保 Selinux 状态的状态检查器。
擦除用户数据准备器	擦除设备上的用户数据的`ITargetPreparer` 。
错误标识符	此接口描述特定错误及其属性。
错误存储工具	用于处理错误以与公共存储保持一致的辅助类。
事件记录器监听器	将接收到的所有事件记录到文件中的侦听器
异常ThrowingRunnerWrapper
ExecutableBaseTest	可执行样式测试的基类。
可执行主机测试	在主机上运行的可执行文件的测试运行程序。
可执行目标测试	在目标上运行的可执行文件的测试运行程序。
执行文件	在执行测试或调用期间生成的文件依赖项，需要携带以进行测试。
ExecutionFiles.FilesKey	枚举地图的已知标准键。
执行属性	在执行测试或调用期间生成的属性。
现有的BuildProvider	返回已构建的`IBuildInfo`的`IBuildProvider` 。
扩展文件	标准文件的扩展，用于携带构建相关的元数据。

F

故障描述	描述 Trade Federation 中的失败信息的类。
假测试	一种假测试，其目的是使生成可重复的测试结果变得容易。
FakeTestsZip 文件夹	一个测试夹具，它根据内容列表创建一个虚假的解压缩测试文件夹。
FakeTestsZipFolder.ItemType
FastbootCommandPreparer	触发 fastboot 并发送 fastboot 命令的目标准备器。
FastbootDeviceFlasher	一个依赖 fastboot 在物理 Android 硬件上刷新图像的类。
快速启动助手	用于快速启动操作的帮助类。
FastbootUpdateBootstrapPreparer	一个`ITargetPreparer`将指定文件（引导加载程序、无线电、设备映像 zip）暂存到`IDeviceBuildInfo`以使用`FastbootDeviceFlasher`刷新设备，然后将启动后设备属性注入构建信息以用于结果报告目的。
致命主机错误	指示在运行 TradeFederation 的主机上发生致命的不可恢复错误的异常，应关闭 TradeFederation 实例。
FeatureFlagTargetPreparer	更新 DeviceConfig（由远程服务调整的功能标志）。
文件下载缓存	维护下载文件的本地文件系统 LRU 缓存的帮助程序类。
文件下载缓存工厂	创建`FileDownloadCache`的工厂
FileDownloadCacheWrapper	在实现`IFileDownloader`接口的同时提供`FileDownloadCache`设施的包装类。
文件空闲监视器	监视文件并在它们空闲时执行回调（即
文件输入流源	接受输入文件的`InputStreamSource` 。
文件记录器	将日志消息定向到文件和标准输出的`ILeveledLogOutput` 。
FileProtoResultReporter	将`TestRecord`转储到文件中的 Proto Reporter。
FilePullerDeviceMetricCollector	一个`BaseDeviceMetricCollector` ，用于侦听来自设备的指标键并将它们作为文件从设备中提取。
FilePullerLogCollector	设备端上报文件的记录器。
文件系统日志保护程序	将日志保存到文件系统。
文件工具	文件相关操作的辅助类
FileUtil.HarnessIOException	利用异常有助于携带文件问题。
FileUtil.LowDiskSpaceException	如果可用磁盘空间低于最小阈值则抛出。
过滤结果转发器	`ResultForwarder`的变体，仅允许报告`TestDescription`的允许列表。
FixedByteArrayOutputStream	仅保留最大数据量的内存中`ERROR(/OutputStream)` 。
闪烁法	一个枚举，用于描述用于闪存被测设备的方法
闪烁资源解析器	解析出闪存设备所需的辅助图像文件的所需版本的类。
FlashingResourcesParser.AndroidInfo	`Map<String, MultiMap<String, String>>`的 typedef .
FlashingResourcesParser.Constraint	过滤接口，旨在允许`FlashingResourcesParser`忽略它可能使用的某些资源
FlashingResourceUtil	此实用程序有助于设置适当版本的工件，以便可以通过`DeviceFlashPreparer` 。
FoldableExpandingHandler	一个`IModuleParameterHandler`为每个非主要可折叠配置扩展为更多。
可折叠处理程序	通用可折叠处理程序，可以采用可折叠参数来创建专用模块。
FoldableModePreparer	可以切换设备可折叠状态的目标准备器。
文件夹BuildInfo	`IFolderBuildInfo`的具体实现。
文件夹保护程序	一个`ITargetPreparer` ，它从设备中提取目录、压缩并将其保存到日志记录后端。
格式化生成器报告器	允许以特定格式生成报告的报告器。
自由设备状态
FuseUtil	FUSE 操作的辅助类。

G

GceAvdInfo	用于保存给定 GCE AVD 实例的相关数据的结构。
GceAvdInfo.GceStatus
GceAvdInfo.LogFileEntry
管理器	管理 GCE 调用以启动/停止并从 GCE 收集日志的助手。
GceRemoteCmdFormatter	用于格式化命令以到达远程 gce 设备的实用程序类。
GceRemoteCmdFormatter.ScpMode	SCP 可用于推送或拉取文件，具体取决于 args 的结构。
GceSshTunnelMonitor	Gce ssh 隧道的线程监视器。
GcovCodeCoverageCollector	一个`BaseDeviceMetricCollector` ，它将从设备中提取 gcov 覆盖率测量并将它们记录为测试工件。
GCSBucketUtil	文件管理器，用于从 Google Cloud Storage (GCS) 下载和上传文件。
GCSBucketUtil.GCSFileMetadata	GCS 中文件信息的简单包装器。
GCS通用	下载和上传等 Gcs 操作的基类。
GCSConfigurationFactory	`ConfigurationFactory`从 Google Cloud Storage 加载配置。
GCSConfigurationFactory.GCSConfigLoader	`ConfigurationFactory.ConfigLoader`的扩展，从 GCS 加载配置，从一个根配置跟踪包含的配置，并在循环包含时引发异常。
GCS配置服务器	配置服务器从 Google Cloud Storage (GCS) 加载配置。
GCSDownloaderHelper	GCS 存储桶的下载器，负责缓存和解析全局配置。
GCS文件下载器	文件下载器从谷歌云存储（GCS）下载文件。
GCS 文件上传器	文件上传器将文件数据上传到谷歌云存储（GCS）。
GCSHostResourceManager	从 GCS（谷歌云存储）下载主机资源。
GcsRemoteFileResolver	`IRemoteFileResolver`的实现，允许从 GCS 存储桶下载。
GenericLogcatEventParser <LogcatEventType>	为事件解析 logcat 输入。
GenericLogcatEventParser.LogcatEvent	Struct 保存一个带有事件类型的 logcat 事件并触发 logcat 消息
GetPreviousPassedHelper	帮助获取先前通过的测试过滤器。
GkiDeviceFlashPreparer	使用 android 通用内核通用映像刷新设备的目标准备器。
全局配置	将加载的配置对象存储在地图中的`IGlobalConfiguration`实现
全局过滤器	返回给定调用的过滤器的服务实现。
全局测试过滤器	应用于调用的过滤器选项。
GoogleApiClientUtil	用于创建 Google API 客户端的实用程序。
谷歌基准结果解析器	解析从 shell 运行的 Google Benchmark 的结果，并返回包含所有结果的地图。
谷歌基准测试	在给定设备上运行 Google 基准测试包的测试。
GranularRetriableTestWrapper	包装类在`IRemoteTest`上工作，以在测试用例级别细化 IRemoteTest。
GranularRetriableTestWrapper.StartEndCollector	类助手来捕捉丢失的运行开始和结束。
GsiDeviceFlashPreparer	使用 android 通用系统映像刷新设备的目标准备器。
测试	在给定设备上运行本机测试包的测试。
GTestBase	gTest 的基类
GTestListTestParser	带有“--gtest_list_tests”参数的 gtest 试运行模式的结果解析器。
GTestResultParser	使用从 shell 运行的 GTest 解析本机测试的“原始输出模式”结果，并将结果通知 ITestInvocationListener。
GTestXmlResultParser	使用从 shell 运行的 GTest 解析本机测试的“xml 输出模式”结果，并将结果通知 ITestRunListener。

H

线束异常	线束内引发的异常的基本异常类。
HarnessRuntimeException
堆主机监视器	`AbstractHostMonitor`实现监视主机上的堆内存并将其定期记录到历史日志中。
HelloWorldMultiTargetPreparer	`IMultiTargetPreparer`的示例实现。
历史记录器	TF History Logger，只包含一些特定事件的特殊日志。
主机GTest	运行本机测试包的测试。
主机度量	此类表示要报告的主机指标样本。
主机选项	主机选项持有者类。
HostStatsdMetricCollector	使用`IMetricCollector`实用命令从主机端收集 statsd 指标的 IMetricCollector。
主机测试	基于 JUnit 主机的测试的测试运行器。
HostUtils	实现一些有用的实用方法来运行主机测试。
HprofAllocSiteParser	帮助类来解析来自 hprof 报告的分配站点部分的信息。
HttpHelper	包含用于发出 http 请求的辅助方法
HttpHelper.RequestRunnable	可运行以使用`IRunUtil#runEscalatingTimedRetry(long, long, long, long, IRunnableResult)`发出请求。
HttpMultipartPost	用于发出多部分 HTTP 发布请求的帮助程序类。
HttpRemoteFileResolver	`IRemoteFileResolver`的实现，允许通过 http 下载远程文件
HttpsRemoteFileResolver	`IRemoteFileResolver`的实现，允许通过 https 下载远程文件

我

亚比	表示被测 ABI 的接口。
IAbi接收器	需要被测 ABI 的测试。
IAndroidDebugBridge	此包中使用的`AndroidDebugBridge`方法的接口定义。
IAppBuildInfo	此接口已弃用。直接使用`IBuildInfo` 。
IAutoRetriableTest	未实现`ITestFilterReceiver`但仍希望支持自动重试的`IRemoteTest`接口。
电池信息	定义与设备电池交互的接口。
IBatteryInfo.BatteryState	描述当前的电池充电状态。
构建信息	保存有关正在测试的构建的信息。
IBuildInfo.BuildInfoProperties	`IBuildInfo`可能需要调整一些处理它的一些属性。
IBuildProvider	负责提供有关被测版本的信息。
构建接收器	需要参考被测构建的测试。
集群客户端	用于与 TFC 后端交互的接口。
集群事件	任何要上传到 TFC 的集群事件的接口。
IClusterEventUploader <T 扩展IClusterEvent >	ClusterEventUploader 的接口
集群选项	获取集群相关选项的界面。
指令选项	命令执行选项的容器。
ICommandScheduler	用于运行 TradeFederation 命令的调度程序。
ICommandScheduler.IScheduledInvocationListener	调用完成时调用事件的侦听器。
压缩策略	表示可以在运行时选择的压缩算法的接口。
IConfigOptionValueTransformer	用于操作配置选项值的接口
IConfigurableVirtualDevice	提供有关可能预配置的虚拟设备信息（主机 ip、主机用户、端口偏移量等）的信息的接口。
配置	TradeFederation 调用的配置信息。
配置工厂	用于创建`IConfiguration`的工厂
配置接收器	表示接受`IConfiguration`的对象的简单接口。
配置服务器	配置服务器的接口。
证书工厂	凭据工厂创建 oauth2 `Credential`的接口。
IDefaultObjectLoader	加载默认对象的接口，这些对象应该是我们 YAML 配置的一部分。
IDefaultObjectLoader.LoaderConfiguration	加载配置对象将信息传递给加载程序。
IDeviceBuildInfo	A `IBuildInfo` that represents a complete Android device build and (optionally) its tests.
IDeviceBuildProvider	A `IBuildProvider` that uses information from a `ITestDevice` to retrieve a build.
IDeviceConfiguration	Device Configuration Holder Interface.
IDeviceFlasher	Flashes a device image on a device.
IDeviceFlasher.UserDataFlashOption	Enum of options for handling the userdata image
IDeviceManager	Interface for managing the set of available devices for testing.
IDeviceManager.IFastbootListener	A listener for fastboot state changes.
IDeviceMonitor	Interface for monitoring state of devices.
IDeviceMonitor.DeviceLister	A `Runnable` -like class that should return the known devices and their states.
IDeviceRecovery	Interface for recovering a device that has gone offline.
IDeviceSelection	Interface for device selection criteria.
IDeviceStateMonitor	Provides facilities for monitoring the state of a `IDevice` .
IDeviceTest	Interface for object that needs a reference to a `ITestDevice` .
IDisableable	描述可以禁用的 Tradefed 对象的接口。
IEmail	Interface for sending email.
IEmail.Message	Container for email message data.
IFileDownloader	Interface for downloading a remote file.
IFileEntry	Interface definition that provides simpler, mockable contract to `FileEntry` methods.
IFileResolverLoader	Loads implementations of `IRemoteFileResolver` .
IFileResolverLoader.ResolverLoadingException	Exception thrown if a resolver cannot be loaded or initialized.
IFlashingResourcesParser	Interface for providing required versions of auxiliary image files needed to flash a device.
IFlashingResourcesRetriever	Interface for retrieving auxiliary image files needed to flash a device.
IFolderBuildInfo	A simple abstract `IBuildInfo` whose build artifacts are containing in a local filesystem directory.
IFormatterGenerator	Interface describing a formatter for `SuiteResultHolder` .
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
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` .
实验室准备者	实验室准备者的标记界面请参阅`ITargetPreparer`以了解这些接口的用途说明。
ILeveledLogOutput	Classes which implement this interface provides methods that deal with outputting log messages.
ILogcatReceiver	A class that provides the output of a device's logcat as an `InputStreamSource` .
ILogRegistry	An interface for a `ILogOutput` singleton logger that multiplexes and manages different loggers.
ILogRegistry.EventType	Events that are useful to be logged
ILogSaver	Classes which implement this interface provide methods for storing logs to a central location.
ILogSaverListener	Allows for `ITestInvocationListener` s to listen for when log files are saved.
IManagedTestDevice	A ITestDevice whose lifecycle is managed.
IManagedTestDevice.DeviceEventResponse	Container for a response to a `IManagedTestDevice#handleAllocationEvent(DeviceEvent)` call
IManagedTestDeviceFactory	Creator interface for `IManagedTestDevice` s
IMetricCollector	该接口将在报告测试结果时添加为装饰器，以收集匹配的指标。
IMetricCollectorReceiver	如果需要获取`IMetricCollector`列表以进行测试运行，则`IRemoteTest`实现的接口。
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	此接口已弃用。 This interface is kept temporarily for compatibility but is not actually used anymore. Please do not implement it.
IMultiTargetPreparer	一起为多个设备准备测试环境。
INativeDevice	Provides an reliable and slightly higher level API to a ddmlib `IDevice` .
INativeDeviceTest	Interface for object that needs a reference to a `INativeDevice` .
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	将所有应用程序安装在测试 zip 中的`ITargetPreparer` 。
安装 ApexModuleTargetPreparer
安装ApkSetup	安装一个或多个位于文件系统上的 apk 的`ITargetPreparer` 。
安装BuildEnvApkSetup	从 Android 平台构建环境安装一个或多个测试 apk 的`ITargetPreparer` 。
InstalledInstrumentationsTest	Runs all instrumentation found on current device.
InstantAppHandler	Handler for `ModuleParameters#INSTANT_APP` .
InstrumentationPreparer	运行检测的`ITargetPreparer`
InstrumentationTest	A Test that runs an instrumentation test package on given device.
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.
InvocationStatus	A class to store invocation status.
InvocationStatus	A helper enum to represent the invocation status
InvocationSummaryHelper	Helper class for gathering and reporting `TestSummary` for set of listeners
InvocationToJUnitResultForwarder	A class that listens to `ITestInvocationListener` events and forwards them to a `TestListener` .
后处理器	后处理器是一个 Trade Federation 对象，旨在允许在测试之后和结果报告之前处理指标和日志。
IRemoteFeature	Interface describing a feature in Tradefed that can be executed based on the request.
IRemoteFileResolver	Interface for objects that can resolve a remote file into a local one.
IRemoteFileResolver.RemoteFileResolverArgs	The args passed to the resolvers
IRemoteFileResolver.ResolvedFile	Class holding information about the resolved file and some metadata.
IRemoteScheduledListenersFeature	Extension of `IRemoteFeature` to support passing in `IScheduledInvocationListener` s.
IRemoteTest	A test that reports results directly to a `ITestInvocationListener` .
IReportNotExecuted	In case of an incomplete execution, `IRemoteTest` that implements this interface may report their non-executed tests for improved reporting.
IRescheduler	Interface for rescheduling a config for future execution.
IResourceMetricCollector	The interface for user to implement customized resource collectors.
IRestApiHelper	A helper interface for performing REST API calls.
IResumableTest	此接口已弃用。 No need for this anymore
IRetryDecision	Interface driving the retry decision and applying the filter on the class for more targeted retry.
IRuntimeHintProvider
IRunUtil	Interface for running timed operations and system commands.
IRunUtil.EnvPriority	Enum that defines whether setting or unsetting a particular env.
IRunUtil.IRunnableResult	An interface for asynchronously executing an operation that returns a boolean status.
ISandbox	Interface defining a sandbox that can be used to run an invocation.
ISandboxFactory	Factory for creating `ISandbox` .
ISetOptionReceiver	Implementation of this interface should have an `Option` with a "set-option" name linked to `HostTest#SET_OPTION_NAME` .
IShardableListener	A `ITestInvocationListener` that can be sharded.
IShardableTest	A `IRemoteTest` that can be split into separately executable sub-tests.
IShardHelper	Interface of an object that describes the sharding strategy to adopt for a configuration.
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 `ITestInvocationListener` supports receiving the granular results or not.
ISystemStatusChecker	An checker that performs checks on system status and returns a boolean to indicate if the system is in an expected state.
ISystemStatusCheckerReceiver	A `IRemoteTest` that requires access to the `ISystemStatusChecker` from the configuration.
ITargetCleaner	此接口已弃用。 tearDown 已移至基本 ITargetPreparer 接口。
ITargetPreparer	为测试运行准备测试环境。
ITerribleFailureHandler	An interface to handle terrible failures from `LogUtil.CLog.wtf(String, Throwable)`
ITestAnnotationFilterReceiver	A runner that can filter which tests to run based on annotations.
ITestCollector	Provides support for test collection; when set, test runner must perform a dry run to collect test cases without actually executing them.
ITestDevice	Provides an reliable and slightly higher level API to a ddmlib `IDevice` .
ITestDevice.ApexInfo	A simple struct class to store information about a single APEX
ITestDevice.MountPointInfo	A simple struct class to store information about a single mountpoint
ITestDevice.RecoveryMode
ITestFileFilterReceiver	A runner that can receive a file specifying which tests to run and/or not to run.
ITestFilterReceiver	A runner that can filter which tests to run.
ITestInformationReceiver	Interface to receive the `TestInformation` for some classes.
ITestInvocation	Handles one TradeFederation test invocation.
ITestInvocation.ExitInformation	Represents some exit information for an invocation.
ITestInvocationListener	Listener for test results from the test invocation.
ITestLifeCycleReceiver	Receives event notifications during instrumentation test runs.
ITestLogger	An entity that can perform logging of data streams of various types.
ITestLoggerReceiver	An entity that can be injected with an `ITestLogger` instance so that it can be used for logging purposes.
ITestsPool	Interface describing a pool of tests that we can access and run
ITestSuite	Abstract class used to run Test Suite.
ITestSuite.MultiDeviceModuleStrategy
ITestSuiteResultLoader	Interface describing an helper to load previous results in a way that can be re-run.
ITestSummaryListener	Interface that allows `ITestInvocationListener` to exchange some limited information via summaries.
ITestsZipInstaller	Installs tests from a tests zip file (as outputted by the build system) on a device.
ITokenProvider	Interface describing an object that can provide the tokens of a particular device.
ITokenRequest	Interface a `IRemoteTest` can implement to expose the fact that it requires a device with a special token.

J

JarHostTest	Test runner for host-side JUnit tests.
JarHostTest.HostTestListener	Wrapper listener that forwards all events except testRunStarted() and testRunEnded() to the embedded listener.
JavaCodeCoverageCollector	一个`BaseDeviceMetricCollector` ，它将从设备中提取 Java 覆盖率测量并将它们记录为测试工件。
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 `JSONFileKeyStoreClient` for accessing a JSON Key Store File.
JsonHttpTestResultReporter	A result reporter that encode test metrics results and branch, device info into JSON and POST into an HTTP service endpoint
JUnit4ResultForwarder	Result forwarder from JUnit4 Runner.
JUnit4TestFilter	Helper Class that provides the filtering for JUnit4 runner by extending the `Filter` .
JUnitRunUtil	A helper class for directing a `IRemoteTest#run(TestInformation, ITestInvocationListener)` call to a `Test#run(TestResult)` call.
JUnitToInvocationResultForwarder	A class that listens to `TestListener` events and forwards them to an `ITestInvocationListener` .
JUnitXmlParser	Parser that extracts test result data from JUnit results stored in ant's XMLJUnitResultFormatter and forwards it to a ITestInvocationListener.

K

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	关闭正在运行的模拟器的`ITargetPreparer` 。
KnownFailurePreparer	目标准备者跳过重试已知失败。

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)` .
LaunchCvdHelper	Utility helper to control Launch_cvd in the Cuttlefish VM.
LeakedThreadStatusChecker	Status checker to ensure a module does not leak a running Thread.
LegacySubprocessResultsReporter	A frozen implementation of the subprocess results reporter which should remain compatible with earlier versions of TF/CTS (eg 8+), despite changes in its superclass.
ListInstrumentationParser	A `IShellOutputReceiver` that parses the output of a 'pm list instrumentation' query
ListInstrumentationParser.InstrumentationTarget
LocalAndroidVirtualDevice	The class for local virtual devices running on TradeFed host.
LocalAppBuildProvider	A `IBuildProvider` that constructs a `IBuildInfo` based on a provided local path
LocalDeveloper	Detects and returns whether this is a local developer running Tradefed.
LocalDeviceBuildProvider	A `IBuildProvider` that constructs a `IDeviceBuildInfo` based on a provided filesystem directory path.
本地模拟器启动	从 android 构建环境本地启动模拟器的 TargetPreparer。
LocalEmulatorSnapshot	TargetPreparer 用于从 android 构建/开发环境生成干净的模拟器快照
LocalFileHeader	LocalFileHeader is a class containing the information of a file/folder inside a zip file.
LocalFileResolver	Implementation of `IRemoteFileResolver` that allows linking local files
LocalFolderBuildProvider	A `IBuildProvider` that constructs a `IFolderBuildInfo` based on a provided local path
LocalHostResourceManager	Manager host resource.
LocalPool	Implementation of a pool of local tests
LocalRunInstructionBuilder	Utility to compile the instruction to run test locally.
LockSettingsBaselineSetter	A setter to remove screen lock settings.
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	当测试用例失败时将捕获并记录 logcat 的收集器。
LogcatReceiver	Class that collects logcat in background.
LogcatTimingMetricCollector	一种度量收集器，通过使用给定的正则表达式模式从 logcat 行解析事件的开始和结束信号，在一个或多个重复测试期间从 logcat 收集时间信息（例如用户切换时间）。
LogDataType	Represents the data type of log data.
LogFile	Class to hold the metadata for a saved log file.
LogFileSaver	A helper for `ITestInvocationListener` 's that will save log data to a file
LogReceiver
LogRegistry	A `ILogRegistry` implementation that multiplexes and manages different loggers, using the appropriate one based on the `ThreadGroup` of the thread making the call.
LogSaverResultForwarder	A `ResultForwarder` for saving logs with the global file saver.
LogUtil	A logging utility class.
LogUtil.CLog	A shim class for `Log` that automatically uses the simple classname of the caller as the log tag
LongevityHostRunner	A JUnit4-based `Runner` that composes tests run with `DeviceJUnit4ClassRunner` into a `ERROR(LongevitySuite/android.host.test.longevity.LongevitySuite LongevitySuite)` , which runs tests repeatedly to induce stress and randomness.

M

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
MergedZipEntryCollection	Merge individual zip entries in a large zip file into blocks to minimize the download attempts.
MergeMultiBuildTargetPreparer	一个`IMultiTargetPreparer` ，它允许通过命名它们并将文件密钥从一个构建传递到另一个构建，以复制到另一个构建。
MergeStrategy	Describes how the results should be aggregated when multiple attempts are present.
度量文件后处理器	用于上传在测试和运行级别收集的指标日志文件。
公制选项	使用`@Test`注释的测试方法的注释，或者如果注释是`TestDescription`的注释列表的一部分，允许指定一些额外的参数，这些参数用于：调整收集器的行为，过滤一些方法。
MetricsXMLResultReporter	MetricsXMLResultReporter writes test metrics and run metrics to an XML file in a folder specified by metrics-folder parameter at the invocationEnded phase of the test.
MetricTestCase	Extension of `TestCase` that allows to log metrics when running as part of TradeFed.
MetricTestCase.LogHolder	Structure to hold a log file to be reported.
MetricUtil	Utility class for pulling metrics from pushed statsd configurations.
MetricUtility	Contains common utility methods for storing the test metrics, aggregating the metrics in similar tests and writing the metrics to a file.
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	一个`IMultiTargetPreparer` ，它在设备构建中混合系统构建的图像。
MoblyBinaryHostTest	Host test meant to run a mobly python binary file from the Android Build system (Soong)
MoblyYamlResultControllerInfoHandler	Mobly yaml result 'Controller Info' element handler.
MoblyYamlResultControllerInfoHandler.ControllerInfo
MoblyYamlResultControllerInfoHandler.ControllerInfo.Builder
MoblyYamlResultHandlerFactory	Mobly yaml result handler factory which generates appropriate handler based on result type.
MoblyYamlResultHandlerFactory.InvalidResultTypeException
MoblyYamlResultHandlerFactory.Type
MoblyYamlResultParser	Mobly yaml test results parser.
MoblyYamlResultRecordHandler	Mobly yaml result 'Record' element handler.
MoblyYamlResultRecordHandler.Record
MoblyYamlResultRecordHandler.Record.Builder
MoblyYamlResultRecordHandler.RecordResult
MoblyYamlResultSummaryHandler	Mobly yaml result 'Summary' element handler.
MoblyYamlResultSummaryHandler.Summary
MoblyYamlResultSummaryHandler.Summary.Builder
MoblyYamlResultTestNameListHandler	Mobly yaml result 'Test Name List' element handler.
MoblyYamlResultTestNameListHandler.TestNameList
MoblyYamlResultTestNameListHandler.TestNameList.Builder
MoblyYamlResultUserDataHandler	Mobly yaml result 'User Data' element handler.
MoblyYamlResultUserDataHandler.UserData
MoblyYamlResultUserDataHandler.UserData.Builder
ModuleDefinition	Container for the test run configuration.
ModuleListener	Listener attached to each `IRemoteTest` of each module in order to collect the list of results.
模块LogcatCollector	logcat 收集器的版本，但用于模块。
ModuleMerger	Helper class for operation related to merging `ITestSuite` and `ModuleDefinition` after a split.
ModuleOemTargetPreparer
ModuleParameters	Special values associated with the suite "parameter" keys in the metadata of each module.
ModuleParametersHelper	Helper to get the `IModuleParameterHandler` associated with the parameter.
ModulePusher
ModulePusher.ModulePushError	Fatal error during Mainline module push.
ModuleSplitter	Helper to split a list of modules represented by `IConfiguration` into a list of execution units represented by `ModuleDefinition` .
MultiFailureDescription	Collect multiple `FailureDescription` in 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 `IShellOutputReceiver` that parses the benchmark test data output, collecting metrics on average time per operation.
NativeBridgeModuleController	A module controller to check if a device support native bridge.
NativeCodeCoverageFlusher	A utility class that clears native coverage measurements and forces a flush of native coverage data from processes on the device.
NativeDevice	Default implementation of a `ITestDevice` Non-full stack android devices.
NativeDevice.AdbAction	A `DeviceAction` for running a OS 'adb ....' command.
NativeDevice.AdbShellAction
NativeDevice.RebootDeviceAction	`DeviceAction` for rebooting a device.
NativeDevice.RebootMode	A mode of a reboot.
NativeDeviceStateMonitor	Helper class for monitoring the state of a `IDevice` with no framework support.
NativeLeakCollector	运行“ `ITargetPreparer` meminfo --unreachable -a”以识别每个进程当前持有的无法访问的本机内存的 ITargetPreparer。
NativeStressTest	A Test that runs a native stress test executable on given device.
NativeStressTestParser	A `IShellOutputReceiver` that parses the stress test data output, collecting metrics on number of iterations complete and average time per iteration.
NegativeHandler	Handler that specify that nothing should be done and the parameter should not create any extra module.
NestedDeviceStateMonitor	Device state monitor that executes extra checks on nested device to accommodate the specifics of the virtualized environment.
NestedRemoteDevice	Representation of the device running inside a remote Cuttlefish VM.
NetworkNotAvailableException	Thrown when a device is not able to connect to network for testing.
NoApkTestSkipper	如果没有用于测试的 apk，则允许完全跳过调用（准备和测试）的特殊准备器。
NoDeviceException	Thrown when there's no device to execute a given command.
NoisyDryRunTest	Run noisy dry run on a command file.
NoOpConfigOptionValueTransformer	An no-op `IConfigOptionValueTransformer`
NotMultiAbiHandler	Special handler that notify the `SuiteModuleLoader` that the secondary abi should not create a module.
NullDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `IDeviceSelection#nullDeviceRequested()` is `true`

O

OpenObjectLoader	Loader for the default objects available in AOSP.
Option	Annotates a field as representing a `IConfiguration` option.
Option.Importance
OptionClass	Annotates a class as representing a `IConfiguration` object.
OptionCopier	A helper class that can copy `Option` field values with same names from one object to another.
OptionDef	Holds the details of an `Option` .
OptionFetcher	Helper to get the test options from the parent process.
OptionNotAllowedException	Specific `ConfigurationException` when an option is not allowed to be passed in the command line.
OptionSetter	Populates `Option` fields.
OptionSetter.OptionFieldsForName	Container for the list of option fields with given name.
OptionUpdateRule	Controls the behavior when an option is specified multiple times.
OtaDeviceBuildInfo	A `IDeviceBuildInfo` used for over-the-air update testing.
OtatoolsBuildInfo	An `IBuildInfo` that contains otatools artifacts.
OtaZipfileBuildProvider	Provides a `IBuildInfo` based on a local OTA zip file.
OxygenClient	A class that manages the use of Oxygen client binary to lease or release Oxygen device.
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.
配对MultiTargetPreparer	多目标准备器有助于在两个设备之间进行蓝牙配对（和连接）。
ParallelDeviceExecutor <V>	Wrapper of `ERROR(/ExecutorService)` to execute a function in parallel.
ParentSandboxInvocationExecution	Version of `InvocationExecution` for the parent invocation special actions when running a sandbox.
ParentShardReplicate	Replicate a setup for one device to all other devices that will be part of sharding.
PassingTestFileReporter	A `ITestInvocationListener` that saves the list of passing test cases to a test file
完美通用后处理器	一个后处理器，它通过递归地扩展原始消息和具有字符串值的字段，直到遇到具有数值的字段，将文本/二进制度量 perfetto 原型文件处理为键值对。
PerfettoGenericPostProcessor.AlternativeParseFormat
PerfettoGenericPostProcessor.METRIC_FILE_FORMAT
完美准备者	Perfetto 准备者将配置文件推送到设备中 perfetto 可以访问的标准位置。
PerfettoPullerMetricCollector	`FilePullerDeviceMetricCollector`的基本实现，允许从设备中提取 perfetto 文件并从中收集指标。
PerfettoPullerMetricCollector.METRIC_FILE_FORMAT
PerfettoTraceRecorder	用于在`ITestDevice`上记录 perfetto 跟踪的实用程序类。
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.
PropertyChanger	A utility class for changing (or adding) items in an Android property file
ProtoResultParser	Parser for the Tradefed results proto format.
ProtoResultParser.TestLevel	Enumeration representing the current level of the proto being processed.
ProtoResultReporter	Result reporter build a `TestRecord` protobuf with all the results inside.
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.
PushFileInvoker	此类已弃用。改用`PushFilePreparer`
PushFilePreparer	尝试将任意数量的文件从任意主机路径推送到任意设备路径的`ITargetPreparer` 。
PythonBinaryHostTest	Host test meant to run a python binary file from the Android Build system (Soong) The test runner supports include-filter and exclude-filter.
PythonBinaryHostTest.PythonForwarder	Result forwarder to replace the run name by the binary name.
PythonUnitTestResultParser	Interprets the output of tests run with Python's unittest framework and translates it into calls on a series of `ITestInvocationListener` s.
PythonUnitTestRunner	此类已弃用。 Use `PythonBinaryHostTest` instead.
PythonVirtualenvHelper	A helper class for activating Python 3 virtual environment.
PythonVirtualenvPreparer	在主机上设置 Python virtualenv 并安装包。

Q

QuotationAwareTokenizer

R

重启原因收集器	在测试运行期间收集设备重启并按原因和计数报告的收集器。
重启目标准备者	重新启动设备的目标准备器。
恢复日志准备器	用于在恢复之前收集日志的目标准备器。
RegexTrie <V>	The RegexTrie is a trie where each stored segment of the key is a regex `ERROR(/Pattern)` .
RemoteAndroidDevice	Implementation of a `ITestDevice` for a full stack android device connected via adb connect.
RemoteAndroidVirtualDevice	Extends `RemoteAndroidDevice` behavior for a full stack android device running in the Google Compute Engine (Gce).
RemoteAvdIDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions.gceDeviceRequested()` is `true`
RemoteFileResolver	A simple class that allows one to load files from a variety of places using URIs and the service provider functionality.
RemoteFileUtil	Utility class to handle file from a remote instance
RemoteInvocationExecution	Implementation of `InvocationExecution` that drives a remote execution.
RemoteInvocationExecution.FileOptionValueTransformer
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	用于在测试运行之前从系统分区中删除 apk 的`ITargetPreparer` 。
ReportPassedTests	Report in a file possible filters to exclude passed test.
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	无需重启设备即可重启系统服务器的目标准备器。
ResultAggregator	Special forwarder that aggregates the results when needed, based on the retry strategy that was taken.
ResultAndLogForwarder	Forwarder for results and logs events.
ResultForwarder	A `ITestInvocationListener` that forwards invocation results to a list of other listeners.
ResultsPlayer	Special runner that replays the results given to it.
RetentionFileSaver	Helper class for creating a .retention file in a directory.
RetryConfigurationFactory	Factory that handles retrying a command.
RetryLogSaverResultForwarder	Forwarder that also handles passing the current attempt we are at.
RetryPreparationDecision	A Class to describe the decisions about whether or not to retry preparation and to fail the module run.
RetryRescheduler	A special runner that allows to reschedule a previous run tests that failed or where not executed.
RetryRescheduler.RetryType	The types of the tests that can be retried.
RetryResultForwarder	An Extension of `ResultForwarder` that always push to a given attempt number.
RetryResultHelper	Helper class to determine which module or test should run or not.
RetryStatistics	Structure holding the statistics for a retry session of one `IRemoteTest` .
RetryStrategy	The Retry Strategy to be used when re-running some tests.
RootTargetPreparer	基于选项“force-root”执行“adb root”或“adb unroot”的目标准备器。
RunAftersWithInfo
RunBeforesWithInfo
RunCommandTargetPreparer
RunConfigDeviceRecovery	Generic base `IMultiDeviceRecovery` to run a tradefed configuration to do the recovery step.
RunHostCommandTargetPreparer	目标准备者在运行测试之前和之后运行任意主机命令。
RunHostScriptTargetPreparer	在运行测试之前执行脚本的目标准备器。
RunInterruptedException	Thrown when a run operation is interrupted by an external request.
RunNotifierWrapper	Wrapper of `RunNotifier` so we can carry the `DeviceNotAvailableException` .
RunOnSdkSandboxHandler	Handler for `ModuleParameters#RUN_ON_SDK_SANDBOX` .
RunOnSdkSandboxTargetPreparer	一个`ITargetPreparer`来标记测试应该在 sdk 沙箱中运行。
RunOnSecondaryUserParameterHandler
RunOnSecondaryUserTargetPreparer	一个`ITargetPreparer` ，它在 setup 中创建辅助用户，并标记应在该用户中运行测试。
RunOnSystemUserTargetPreparer	一个`ITargetPreparer`标记测试应该在用户（而不是当前用户）上运行。
RunOnWorkProfileParameterHandler
RunOnWorkProfileTargetPreparer	一个`ITargetPreparer` ，它在 setup 中创建一个工作配置文件，并标记应该在该用户中运行测试。
RuntimeRestartCollector	在测试运行期间收集运行时重新启动（系统服务器崩溃）的时间戳（如果有）的收集器。
RunUtil	A collection of helper methods for executing operations.
RustBenchmarkResultParser	Interprets the output of tests run with Criterion benchmarking framework and translates it into calls on a series of `ITestInvocationListener` s.
RustBinaryHostTest	Host test meant to run a rust binary file from the Android Build system (Soong)
RustBinaryTest	A Test that runs a rust binary on given device.
RustTestBase	Base class of RustBinaryHostTest and RustBinaryTest
RustTestBase.EnvPair
RustTestBase.Invocation
RustTestResultParser	Interprets the output of tests run with Rust's unittest framework and translates it into calls on a series of `ITestInvocationListener` s.

S

SandboxConfigDump	Runner class that creates a `IConfiguration` based on a command line and dump it to a file.
SandboxConfigDump.DumpCmd
SandboxConfigurationException	Special Configuration Exception coming from the Sandbox setup.
SandboxConfigurationFactory	Special Configuration factory to handle creation of configurations for Sandboxing purpose.
SandboxConfigUtil	A utility class for managing `IConfiguration` when doing sandboxing.
SandboxedInvocationExecution	Special sandbox execution of the invocation: This is the InvocationExection for when we are inside the sandbox running the command.
SandboxInvocationRunner	Run the tests associated with the invocation in the sandbox.
SandboxOptions	Class that can receive and provide options to a `ISandbox` .
ScreenshotOnFailureCollector	当测试用例失败时将捕获并记录屏幕截图的收集器。
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.
SecondaryUserHandler	Handler for `ModuleParameters#SECONDARY_USER` .
SemaphoreTokenTargetPreparer	这是一个准备者，用于使用令牌在 tradefed 主机中序列化测试执行。
SerializationUtil	Utility to serialize/deserialize an object that implements `ERROR(/Serializable)` .
ServiceAccountKeyCredentialFactory	A credential factory to create service account key based oauth `Credential` .
SettingsBaselineSetter	A common setter to handle device baseline settings via ITestDevice.setSetting.
ShardBuildCloner	Helper class that handles cloning a build info from the command line.
ShardHelper	Helper class that handles creating the shards and scheduling them for an invocation.
ShardListener	A `ITestInvocationListener` that collects results from a invocation shard (aka an invocation split to run on multiple resources in parallel), and forwards them to another listener.
ShardMainResultForwarder	A `ResultForwarder` that combines the results of a sharded test invocations.
ShellOutputReceiverStream	Utility subclass of OutputStream that writes into an IShellOutputReceiver.
ShellStatusChecker	Check if the shell status is as expected before and after a module run.
ShippingApiLevelModuleController	Run tests if the device meets the following conditions: If `min-api-level` is defined: The device shipped with the `min-api-level` or later.
ShowmapPullerMetricCollector	`FilePullerDeviceMetricCollector`的基本实现，允许从设备中提取显示地图文件并从中收集指标。
SideloadOtaTargetPreparer	执行指定 OTA 包的旁加载、应用包、等待设备启动并注入设备构建属性以用作构建信息的目标准备器此目标准备器假定设备在启动时将处于常规 adb 模式，并将确保设备以相同的模式退出，但应用了较新的构建。
SimpleFileLogger	A `ILeveledLogOutput` that directs log messages to stdout and to a single log file.
SimplePerfResult	Object to hold all simpleperf test results
SimplePerfStatResultParser	A utility class to parse simpleperf result.
SimplePerfUtil	Utility class to dispatch simple command and collect results
SimplePerfUtil.SimplePerfType	Enum of simpleperf command options
SimpleStats	A small utility class that calculates a few statistical measures given a numerical dataset.
SizeLimitedOutputStream	A thread safe file backed `ERROR(/OutputStream)` that limits the maximum amount of data that can be written.
SkipHWASanModuleController	Base class for a module controller to not run tests on HWASan builds.
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.
SparseImageUtil	Utility to unsparse sparse images.
SparseImageUtil.SparseInputStream	SparseInputStream read from upstream and detects the data format.
StatsdBeforeAfterGaugeMetricPostProcessor	处理以“之前/之后”方法收集的量规指标的后处理器，即
StatsdEventMetricPostProcessor	使用处理器上指定的格式化程序将 statsd 报告中的事件度量处理成键值对的后处理器。
StatsdGenericPostProcessor	通过将报告扩展为树结构，将二进制 proto statsd 报告处理为键值对的后处理器。
StatusCheckerResult	Contains the result of a `ISystemStatusChecker` execution.
StatusCheckerResult.CheckStatus
StdoutLogger	A `ILeveledLogOutput` that directs log messages to stdout.
停止服务设置	停止设备上的服务的`ITargetPreparer` 。
StreamProtoReceiver	A receiver that translates proto TestRecord received into Tradefed events.
StreamProtoResultReporter	An implementation of `ProtoResultReporter`
StreamUtil	Utility class for managing input streams.
StrictShardHelper	Sharding strategy to create strict shards that do not report together,
StringEscapeUtils	Utility class for escaping strings for specific formats.
StringUtil	Utility class for escaping strings for common string manipulation.
StubBuildProvider	No-op empty implementation of a `IBuildProvider` .
StubDevice	Stub placeholder implementation of a `IDevice` .
StubKeyStoreClient	Default stub implementation for KeyStore Client.
StubKeyStoreFactory	Default stub implementation for KeyStore Factory
StubLocalAndroidVirtualDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions.localVirtualDeviceRequested()` is `true`
StubMultiTargetPreparer	`IMultiTargetPreparer`的占位符空实现。
StubTargetPreparer	占位符空实现`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.TestEndedEventInfo	Helper for testEnded information.
SubprocessEventHelper.TestLogEventInfo	Helper for testLog information.
SubprocessEventHelper.TestModuleStartedEventInfo	Helper for test module started information.
SubprocessEventHelper.TestRunEndedEventInfo	Helper for testRunEnded Information.
SubprocessEventHelper.TestRunFailedEventInfo	Helper for testRunFailed information
SubprocessEventHelper.TestRunStartedEventInfo	Helper for testRunStarted information
SubprocessEventHelper.TestStartedEventInfo	Helper for testStarted information
SubprocessExceptionParser	Helper to handle the exception output from standard Tradefed command runners.
SubprocessReportingHelper	A class to build a wrapper configuration file to use subprocess results reporter for a cluster command.
SubprocessResultsReporter	Implements `ITestInvocationListener` to be specified as a result_reporter and forward from the subprocess the results of tests, test runs, test invocations.
SubprocessTestResultsParser	Extends `ERROR(/FileOutputStream)` to parse the output before writing to the file so we can generate the test events on the launcher side.
SubprocessTestResultsParser.StatusKeys	Relevant test status keys.
SubprocessTfLauncher	A `IRemoteTest` for running tests against a separate TF installation.
SuiteApk安装程序	为套件配置安装指定的 APK：来自 $ANDROID_TARGET_OUT_TESTCASES 变量或构建信息中的 ROOT_DIR。
SuiteModuleLoader	Retrieves Compatibility test module definitions from the repository.
SuiteModuleLoader.ConfigFilter	A `ERROR(/FilenameFilter)` to find all the config files in a directory.
SuiteResultHolder	Helper object to ease up serializing and deserializing the invocation results.
SuiteResultReporter	Collect test results for an entire suite invocation and output the final results.
SuiteResultReporter.ModulePrepTimes	Object holder for the preparation and tear down time of one module.
SuiteTestFilter	Represents a filter for including and excluding tests.
SwitchUserTargetPreparer	切换到 setUp 中指定用户种类的`ITargetPreparer` 。
SystemServerFileDescriptorChecker	Checks if system server appears to be running out of FDs.
SystemServerStatusChecker	Check if the pid of system_server has changed from before and after a module run.
SystemUpdaterDeviceFlasher	A `IDeviceFlasher` that relies on the system updater to install a system image bundled in a OTA update package.
SystemUtil	Utility class for making system calls.
SystemUtil.EnvVariable

T

TableBuilder	Helper class to display a matrix of String elements in a table.
TableFormatter	Helper class to display a matrix of String elements so each element column is lined up
TargetSetupError	A fatal error occurred while preparing the target for testing.
TarUtil	Utility to manipulate a tar file.
TcpDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions.tcpDeviceRequested()` is `true`
TearDownPassThroughPreparer	允许在作为对象包含在配置中的准备器上运行 tearDown。
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	等待设备温度下降到目标的`ITargetPreparer`
TemplateResolutionError	Class extending `ConfigurationException` for template related error during configuration parsing.
TerribleFailureEmailHandler	A simple handler class that sends an email to interested people when a WTF (What a Terrible Failure) error occurs within a Trade Federation instance.
TestAppInstallSetup	将`ITargetPreparer` `IDeviceBuildInfo.getTestsDir()`文件夹中的一个或多个应用程序安装到设备上的 ITargetPreparer。
TestContext	A class to model a TestContext message of TFC API.
TestDependencyResolver	Helper to resolve dependencies if needed.
TestDescription	Class representing information about a test case.
TestDescriptionsFile	A utility class for marshalling and unmarshalling a list of TestDescriptions to a test file.
TestDevice	Implementation of a `ITestDevice` for a full stack android device
TestDevice.MicrodroidBuilder	A builder used to create a Microdroid TestDevice.
TestDeviceOptions	Container for `ITestDevice` `Option` s
TestDeviceOptions.InstanceType
TestDeviceState	A more fully featured representation of device state than `DeviceState` .
TestEnvironment	A class to model a TestEnvironment message returned by TFC API.
TestErrorIdentifier	Error identifier from tests and tests runners.
TestFailureListener	Listener used to take action such as screenshot, bugreport, logcat collection upon a test failure when requested.
TestFailureModuleController	Controller for module that simply want to tune how the tests failures log collected are behaving.
测试文件推送设置	将一个或多个文件/目录从`ITargetPreparer` `IDeviceBuildInfo.getTestsDir()`文件夹推送到设备上的 ITargetPreparer。
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 `TestInformation` instance.
TestInvocation	Default implementation of `ITestInvocation` .
TestInvocation.RunMode	The different mode an invocation can run into.
TestInvocation.Stage
TestInvocationManagementServer	GRPC server helping to management test invocation and their lifecycle.
TestInvocationManagementServer.InvocationInformation
TestMapping	A class for loading a TEST_MAPPING file.
TestMappingSuiteRunner	Implementation of `BaseTestSuite` to run tests specified by option include-filter, or TEST_MAPPING files from build, as a suite.
TestOption	Stores the test option details set in a TEST_MAPPING file.
TestOutputUploader	Uploads test output files to local file system, GCS, or an HTTP(S) endpoint.
TestRecordInterpreter	Utility to convert a `TestRecord` proto into a more easily manipulable format in Tradefed.
TestRecordProtoUtil	Utility to read the `TestRecord` proto from a file.
TestResource	A class to model a TestResource message returned by TFC API.
TestResourceDownloader	A class to download test resource files from file system/GCS/HTTP.
TestResult	Container for a result of a single test.
TestResultListener	A simplification of ITestLifecycleListener for implementers that only care about individual test results.
TestRunResult	Holds results from a single test run.
TestRunToTestInvocationForwarder	Forwarder from ddmlib `ITestRunListener` to `ITestLifeCycleReceiver` .
TestsPoolPoller	Tests wrapper that allow to execute all the tests of a pool of tests.
TestSuiteInfo	A class that resolves loading of build related metadata for test suite To properly expose related info, a test suite must include a `test-suite-info.properties` file in its jar resources
TestSummary	A class to represent a test summary.
TestSummary.Type
TestSummary.TypedString
TestSystemAppInstallSetup	一种`ITargetPreparer` ，可将`IDeviceBuildInfo.getTestsDir()`文件夹中的一个或多个应用程序安装到设备上的 /system 分区。
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.
TfMetricProtoUtil	Utility class to help with the Map to Map transition.
TfObjectTracker	A utility to track the usage of the different Trade Fedederation objects.
TfSuiteRunner	Implementation of `ITestSuite` which will load tests from TF jars res/config/suite/ folder.
TfTestLauncher	A `IRemoteTest` for running unit or functional tests against a separate TF installation.
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` .
浪费时间的人	一个简单的目标准备器，用于浪费时间并可能重新启动设备。
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	一个`IMetricCollector` ，它在测试期间使用 trace-cmd 收集跟踪，并将它们记录到调用中。
TracingLogger	帮助管理每个测试调用的跟踪的类。
TradefedConfigObject	A class to model a TradefedConfigObject message of TFC API.
TradefedConfigObject.Type	A list of configuration object types which can be injected to a cluster command config.
TradefedDelegator	Objects that helps delegating the invocation to another Tradefed binary.
TradefedFeatureClient	A grpc client to request feature execution from the server.
TradefedFeatureServer	A server that responds to requests for triggering features.
TradefedSandbox	Sandbox container that can run a Trade Federation invocation.
TradefedSandboxFactory	Default implementation for SandboxFactory
TradefedSandboxRunner	Runner associated with a `TradefedSandbox` that will allow executing the sandbox.
TradefedSandboxRunner.StubScheduledInvocationListener	A stub `IScheduledInvocationListener` that does nothing.

U

UiAutomatorRunner	Runs UI Automator test on device and reports results.
UiAutomatorTest
UiAutomatorTest.LoggingOption
UiAutomatorTest.TestFailureAction
UnexecutedTestReporterThread	Threads that takes care of reporting all unexecuted tests.
UniqueMultiMap <K, V>	A `MultiMap` that ensures unique values for each key.
UsbResetMultiDeviceRecovery	A `IMultiDeviceRecovery` which resets USB buses for offline devices.
UsbResetRunConfigRecovery	Allow to trigger a command to reset the USB of a device
UsbResetTest	An `IRemoteTest` that reset the device USB and checks whether the device comes back online afterwards.
UserChecker	Checks if users have changed during the test.
用户清理器	一个`ITargetPreparer` ，它在拆卸时删除二级用户。
UserInfo	Similar to UserInfo class from platform.
UserInfo.UserType	Supported variants of a user's type in external APIs.

V

ValidateSuiteConfigHelper	This class will help validating that the `IConfiguration` loaded for the suite are meeting the expected requirements: - No Build providers - No Result reporters
VersionedFile	Data structure representing a file that has an associated version.
VersionParser	Fetch the version of the running tradefed artifacts.
VmRemoteDevice	A Remote virtual device that we will manage from inside the Virtual Machine.

W

WaitDeviceRecovery	A simple implementation of a `IDeviceRecovery` that waits for device to be online and respond to simple commands.
WaitForDeviceDatetimePreparer	等待在设备上设置日期时间的`ITargetPreparer` 可选地，如果 datetime 未在超时内设置，则此准备者可以强制执行`TargetSetupError` ，或者将主机 datetime 强制到设备上，
WifiHelper	Helper class for manipulating wifi services on device.
Wifi准备器	必要时在设备上配置 wifi 的`ITargetPreparer` 。

X

XmlFormattedGeneratorReporter	Implementation of the `FormattedGeneratorReporter` which format the suite results in an xml format.
XmlResultReporter	Writes JUnit results to an XML files in a format consistent with Ant's XMLJUnitResultFormatter.
XmlSuiteResultFormatter	Utility class to save a suite run as an XML.
XmlSuiteResultFormatter.RunHistory	Helper object for JSON conversion.

Y

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

Z

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