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類別索引

這些是 API 類別。查看所有API 包。

A

解析器	透過解析「aapt dump badging」的輸出從 apk 中提取資訊的類別。
AaptParser.Aapt版本	用於解析 APK 檔案的 AAPT 版本選項枚舉。
阿比	代表 ABI 的類別。
Abi格式化程序	abi 的實用程式類別。
能力工具	用於處理設備 ABI 的實用程式類
抽象連接	抽象連接表示。
抽象主機監視器	主機健康監控的典型類別。
抽象Xml解析器	用於解析 xml 檔案的 Helper 基類
AbstractXmlParser.ParseException	如果無法解析 XML 輸入，則拋出此異常
AcloudConfigParser	解析 Acloud 配置的幫助程式類別（用於啟動雲端設備實例）。
AcloudConfigParser.AcloudKeys	可以從配置中搜尋的鍵集。
行動進行中	一般行動正在進行中。
主動追蹤	主類別幫助描述和管理活動追蹤。
活動狀態檢查器	在模組末尾運行的剩餘活動的狀態檢查器。
AdbRootElevator	一個`AutoCloseable` ，可在需要時啟用 adb root，並在完成時恢復 root 狀態。
AdbSSH連接	透過 ssh 橋的 Adb 連接。
AdbStopServerPreparer	目標準備器在執行 adb 測試之前和之後停止主機上的 adb 伺服器。
AdbTcp連接	設備的預設連線表示，假定為設備的標準 adb 連線。
輔助工具	用於 adb 操作的實用程式類別。
課後資訊	與`AfterClass`類似的保證，但註解的方法必須需要`TestInformation`參數。
聚合後處理器	一個度量聚合器，提供多次迭代測試運行期間收集的數字度量的最小值、最大值、平均值、方差、標準差、總計、計數和可選的百分位數，並將它們視為雙精度。
AllTestApps安裝設置	一個`ITargetPreparer` ，用於將`IDeviceBuildInfo#getTestsDir()`資料夾中的所有應用程式安裝到裝置上。
AltDir行為	用於定義各種測試工件安裝程式/推送程式的替代目錄行為的枚舉
AndroidJUnit測試	使用 android.support.test.runner.AndroidJUnitRunner 在給定裝置上執行儀器測試套件的測試。
Aoa目標準備器	`ITargetPreparer`使用 Android Open Accessory (AOAv2) 協定執行一系列操作（例如點擊和滑動）。
應用程式建構訊息	表示 Android 應用程式及其測試套件的`IBuildInfo` 。
應用程式設備建構訊息	該類已被棄用。直接使用`IDeviceBuildInfo` 。
應用程式設定	一個`ITargetPreparer` ，用於安裝 apk 及其測試。
應用程式版本取得器	用於從裝置取得應用程式版本字串的實用程式類別。
AppVersionFetcher.AppVersionInfo	應用程式版本資訊類型。
ArchModule控制器	模組控制器在與任何給定架構不匹配時不運行測試。
參數選項解析器	從解析的命令列參數填入`Option`欄位。
數組工具	數組的實用方法
ArtChrootPreparer	為 ART 測試建立 chroot 目錄。
藝術G測試
藝術運行測試	用於運行 ART 運行測試的測試運行程序。
ArtRunTest.AdbShellCommandException	一個異常類，用於報告執行 ADB shell 命令期間發生的錯誤。
ATestFileSystemLogSaver	ATest 使用該 LogSaver 類別將日誌保存在特定路徑中。
測試跑者	`ITestSuite`的實現
Atrace收集器	`IMetricCollector`在測試期間執行 atrace 並收集結果並將其記錄到呼叫中。
AtraceRunMetricCollector	從測試設備的給定目錄下的所有測試目錄收集跟踪，記錄測試目錄並對測試目錄下的跟踪文件進行後處理並聚合指標。
自動日誌收集器	描述線束可以自動處理哪個收集器的枚舉。
自動報告器	定義來自 Tradefed 自動報告器的對應的類別。
平均後處理器	計算指標清單平均值的後處理器的實現。

乙

背景設備動作	在給定設備上運行命令，根據需要重複運行，直到操作被取消。
基礎設備指標收集器	`IMetricCollector`的基本實現，允許在`onTestRunStart(com.android.tradefed.device.metric.DeviceMetricData)`和`ERROR(/#onTestRunEnd(com.android.tradefed.device.metric.DeviceMetricData,Map))`上啟動和停止收集。
基礎仿真器準備器	用於啟動本機模擬器的通用準備器。
BaseHostJUnit4測試	用於執行主機 JUnit4 樣式測試的基底測試類別。
基本等級日誌輸出	`ILeveledLogOutput`的基本實現，允許根據標籤的名稱或元件過濾某些標籤。
基礎模組控制器	`IModuleController`的基本實現，應該實現它來檢查模組是否應該運行。
基礎多目標準備器	`IMultiTargetPreparer`的基本實現，允許停用該物件。
基礎後處理器	每個實作都應該擴展的基本`IPostProcessor` 。
基本重試決策	`IRetryDecision`的基本實作。
BaseStreamLogger <OS 擴充 OutputStream>	`ILeveledLogOutput`將日誌訊息定向到輸出流和標準輸出。
基礎目標準備器	`ITargetPreparer`的基本實作類，允許控制物件是否被停用。
基礎測試套件	與新套件系統執行相容性測試套件的測試。
電池控制器	允許控制設備的電池充電狀態的實用程式類別。
電池充電設備恢復	允許在設備的電池電量低於給定閾值時觸發命令。
電池溫度
電池不可用裝置恢復	如果電池電量不可用，恢復檢查器將觸發配置。
課前帶訊息	與`BeforeClass`類似的保證，但註解的方法必須需要`TestInformation`參數。
二元狀態	用於記錄 ON/OFF 狀態和 IGNORE 無操作狀態的列舉。
藍牙連線延遲收集器	收集器會將預先定義的 statsd 持續時間指標配置推送到設備，並收集每個設定檔的藍牙連接持續時間。
藍牙連線狀態收集器	此收集器將收集BluetoothConnectionStateChanged 指標並記錄每個設定檔的連線狀態編號。
藍牙連線成功率後處理器	計算藍牙設定檔成功率的後處理器的實現使用「metric-key-match」指定包含數字數組範例中的藍牙連接狀態的指標 [0, 1, 2, 3, 0, 1, 2, 3]。
藍牙HciSnoopLogCollector	收集器，用於在 DUT 上啟用藍牙 HCI 監聽日誌記錄並收集每個測試的日誌。
藍牙實用程式	用於在裝置上呼叫BluetoothInstrumentation的實用函數設備端BluetoothInstrumentation程式碼可以在AOSP中找到： `frameworks/base/core/tests/bluetoothtests`
Bootstrap建置提供者	從測試設備引導建置資訊的`IDeviceBuildProvider` 這通常用於具有外部提供構建的設備，即
BootstrapService檔案解析器載入器	使用服務載入工具載入解析器。
錯誤報告	儲存錯誤報告檔案引用的對象，與平面錯誤報告和壓縮錯誤報告（bugreportz）相容。
錯誤報告收集器	一個傳遞`ITestInvocationListener` ，它在可配置事件發生時收集錯誤報告，然後在收集每個錯誤報告後在其子級上呼叫`ITestInvocationListener#testLog` 。
BugreportCollector.Filter
BugreportCollector.Freq
BugreportCollector.名詞
BugreportCollector.Predicate	描述何時捕獲錯誤報告的完整謂詞。
BugreportCollector.Relation
BugreportCollector.SubPredicate
BugreportzOnFailureCollector	當測試用例失敗時收集錯誤報告。
BugreportzOnTestCaseFailureCollector	當運行中的測試用例失敗時收集錯誤報告。
建構錯誤	如果提供的建置無法運行，則拋出該異常。
建構資訊	應與`ITestDevice`關聯的`IBuildInfo`的通用實作。
建構資訊鍵	保存與建構資訊查詢相關的枚舉的類別。
BuildInfoKey.BuildInfoFileKey	描述所有可透過`IBuildInfo.getFile(com.android.tradefed.build.BuildInfoKey.BuildInfoFileKey)`查詢的已知檔案類型的枚舉。
建構資訊記錄器	將建構資訊元資料寫入指定檔案的`ITargetPreparer` 。
建構資訊工具	幫助操作`IBuildInfo` util 類
建構檢索錯誤	檢索建置進行測試時發生致命錯誤。
建構序列化版本	包含所有`IBuildInfo`的目前序列化版本的類別。
建置測試ZipUtils	Android 建置系統產生的測試 zip 相關操作的輔助類
群發郵件程式	電子郵件發送實用程序，允許以下配置：發送間隔、初始突發大小、收件者和郵件總數。
捆綁工具工具	使用bundletool命令列在裝置上安裝.apks的實用程式類別。
位元組數組輸入流來源
位元組數組列表	表示輕量級位元組數組的類別。
位元組數組實用程式	對位元組數組進行操作的實用程序，例如將位元組轉換為整數。

C

汽車模組控制器	此控制器阻止在非汽車設備上執行測試案例。
攜帶DNA錯誤	透過 JUnit4 框架攜帶`DeviceNotAvailableException`內部`RuntimeException` 。
攜帶中斷異常	當觸發測試階段逾時並且需要將 InterruptedException 從測試執行緒攜帶到呼叫執行緒時拋出。
CDMA設備快閃記憶體	在具有 CDMA 無線電的實體 Android 裝置上閃爍影像的類別。
CecControllerTokenProvider	消費電子控制 (CEC) 相關代幣的代幣提供者。
中央目錄資訊	CentralDirectoryInfo 是一個包含 zip 檔案內檔案/資料夾資訊的類別。
檢查配對準備器	`CompanionAwarePreparer` ，用於驗證主設備和配套設備之間的 BT 綁定
循環AtraceUtil	開發的 atrace 公用程式主要用於識別 Monkey 測試期間 ANR 的根本原因。
循環位元組數組	用於保存固定大小數組的資料結構，該數組作為循環緩衝區運行，並追蹤數組中所有值的總和。
ClangCodeCoverageCollector	`BaseDeviceMetricCollector`將從裝置中擷取 Clang 覆蓋率測量結果並將其記錄為測試工件。
類別未找到配置異常	當未找到物件的類別時會出現`ConfigurationException` 。
類路徑掃描器	尋找類路徑上的條目。
ClassPathScanner.ClassNameFilter	過濾和轉換 java 類別名稱的`IClassPathFilter` 。
ClassPathScanner.ExternalClassNameFilter	拒絕內部類別的`ClassNameFilter`
ClassPathScanner.IClassPathFilter	類路徑入口路徑的篩選器在`FileFilter`之後進行圖案化
發條工具	用於共享多設備邏輯的發條實用程序
CloseableTraceScope	一個作用域類，允許透過 try-with-resources 報告追蹤部分
集群建構資訊	用於從 TFC 管道傳輸的建置的`IBuildInfo`類別。
叢集建置提供者	用於下載 TFC 測試資源的`IBuildProvider` 。
叢集客戶端	用於與 TFC 後端互動的`IClusterClient`實作。
集群命令	表示從 TF Cluster 取得的任務的類別。
ClusterCommand.RequestType
ClusterCommand.State	TF 集群中命令的狀態。
叢集命令配置產生器	為叢集命令建構設定檔的類別。
叢集命令事件	封裝要上傳的叢集命令事件的類別。
ClusterCommandEvent.Builder
ClusterCommandEvent.Type
叢集命令啟動器	一個`IRemoteTest`類，用於透過子進程 TF 從 TFC 啟動命令。
叢集命令調度器	`ICommandScheduler`的支援 TFC（Tradefed Cluster）。
集群命令狀態	表示來自 TF Cluster 的命令的狀態和取消原因的類別。
集群設備資訊	封裝待上傳群集設備資訊的類別。
ClusterDeviceInfo.Builder
叢集設備監控	向 Tradefed 叢集服務報告結果的`IDeviceMonitor`實作。
ClusterEventUploader <T 擴充IClusterEvent >	ClusterEventUploader類，將`IClusterEvent`上傳到TFC。
叢集主機事件	封裝要上傳的群集主機事件的類別。
ClusterHostEvent.Builder
ClusterHostEvent.HostEventType	不同類型的主機事件的枚舉。
叢集主機工具	TF Cluster 的靜態 util 函數用於取得全域設定實例、主機資訊等。
叢集日誌保存器	用於將測試輸出上傳到 TFC 的`ILogSaver`類別。
ClusterLogSaver.FilePickingStrategy	文件選取策略。
叢集選項
程式碼覆蓋率測試	在給定設備上運行儀器測試包並產生程式碼覆蓋率報告的測試。
收集位元組輸出接收器	一個`IShellOutputReceiver`將整個 shell 輸出收集到一個`byte[]` 。
收集輸出接收器	一個`IShellOutputReceiver` ，它將整個 shell 輸出收集到一個`String`中。
收集測試監聽器	將收集所有測試結果的`ITestInvocationListener` 。
收藏助手	幫助程式在多個地方執行一些需要的`IMetricCollector`操作。
命令檔案解析器	包含命令列集的檔案的解析器。
CommandFileParser.CommandLine
命令中斷器	允許 TradeFederation 指令被中斷或標記為不可中斷的服務。
命令列建置資訊建構器	實用程式旨在從命令列捕獲常用的建置資訊參數並從中建立`IBuildInfo` 。
命令選項	`ICommandOptions`的實作。
指令選項Getter	傳回給定呼叫的命令選項值的服務實作。
命令結果	包含命令的結果。
指揮跑者	另一個 TradeFederation 入口點，將執行命令列參數中指定的命令，然後退出。
CommandRunner.退出程式碼	可以退出的錯誤代碼。
命令調度程序	用於在所有可用裝置上執行 TradeFederation 指令的排程器。
CommandScheduler.HostState	主機不同狀態的枚舉
指令狀態	表示定時操作的狀態。
命令狀態處理程序	處理程序幫助監視和更新呼叫的狀態。
通用日誌遠端文件實用程式	此實用程式可以避免在公共文件的遠端日誌取得邏輯的不同遠端設備表示之間出現程式碼重複。
CommonLogRemoteFileUtil.KnownLogFileEntry	遠端設備的已知日誌條目的表示。
同儕分配器	負責分配及釋放配套設備的基類應實作`getCompanionDeviceSelectionOptions()`來描述分配配套設備所需的標準
CompanionAwarePreparer	一個`ITargetPreparer` ，封裝了獲取已分配的配套設備的邏輯。
同儕感知測試	封裝取得和檢查配套設備樣板的基本測試類子類別可以呼叫`getCompanion()`來檢索分配的同伴。
配套設備追蹤器	用於分配和釋放配套設備的類
CompanionRunCommandTargetPreparer	在分配的配套設備上執行指定命令的`ITargetPreparer`
CompanionTestApp安裝設置	一種`ITargetPreparer` ，用於將`IDeviceBuildInfo#getTestsDir()`資料夾中的一個或多個應用程式安裝到已分配的配套設備上。
CompileBootImageWithSpeedTargetPreparer	使用編譯器過濾器“speed”重新編譯引導類別路徑和系統伺服器。
狀態故障監視器	監視呼叫中是否有任何失敗。
ConditionPriorityBlockingQueue <T>	具有類似`ERROR(/PriorityBlockingQueue)`操作的線程安全類，可以檢索與特定條件相符的物件。
ConditionPriorityBlockingQueue.AlwaysMatch <T>	與任何物件相符的`ConditionPriorityBlockingQueue.IMatcher` 。
ConditionPriorityBlockingQueue.IMatcher <T>	用於確定元素是否符合某種條件的介面。
配置完成器	為我們的 TF 配置實作`Completer` 。
可配置GrpcDynamicShardingClient
配置	一個具體的`IConfiguration`實現，它將載入的配置物件儲存在映射中。
配置定義	儲存配置、其關聯物件及其選項的記錄。
配置Def.ConfigObjectDef	儲存類別名稱資訊及其外觀編號的物件（例如，如果一個配置兩次具有相同的對象，則第一個將具有第一個外觀編號）。
配置描述符	配置物件描述配置本身的某些方面。
ConfigurationDescriptor.LocalTestRunner	枚舉用於指示本地測試運行程序。
配置異常	如果無法載入組態則拋出該異常。
配置工廠	用於創建`IConfiguration`工廠。
配置工廠.ConfigLoader	IConfigDefLoader 的實現，追蹤一個根配置中包含的配置，並在循環包含時引發異常。
ConfigurationFactory.ExceptionLoader
配置工具	處理設定檔的實用函數。
配置XmlParser設定	接受 ConfigurationXmlParser 設定的簡單類要將設定傳遞給此類，別名是必需的。
配置Yaml解析器	YAML 風格 Tradefed 設定的解析器
配置工具	用於建立、互動和推送 statsd 設定檔的實用程式類別。
ConfigUtil.LogSource
安慰	TradeFederation 主控制台提供使用者互動介面目前支援以下操作新增一個指令來測試列出設備及其狀態列出正在進行的調用列出隊列中的命令將呼叫日誌轉儲到檔案/stdout 關閉
Console.ArgRunnable <T>	具有可接受參數的`run`方法的`Runnable`
主控台.CaptureList	`List<List<String>>`的便捷類型
控制台讀取器輸出流	一個 OutputStream，可用於使`System.out.print()`與使用者的`LineReader` unfinishedLine 配合良好。
控制台結果報告器	結果報告器將測試結果列印到控制台。
內容提供者處理程序	抽象內容提供者互動並允許使用裝置端內容提供者進行不同操作的處理程序。
計數測試結果監聽器	一個`TestResultListener` ，透過`TestStatus`追蹤測試總數
計數測試用例收集器	計算並報告給定`IRemoteTest`測試案例數量。
覆蓋測量轉發器	佔位符測試，將覆蓋率測量結果從建置提供者轉送到記錄器。
覆蓋範圍選項	Tradefed 反對持有承保選擇權。
CoverageOptions.Toolchain
CPU節流等待者	`ITargetPreparer`等待所有核心的最大頻率恢復到可用的最高級別
創建AvdPreparer
建立使用者準備器	用於創建用戶並在最後清理它的目標準備器。
當前調用	一個類，用於追蹤並提供當前調用信息，該信息在調用內的任何位置都有用。
當前呼叫.呼叫訊息	我們將始終為調用填充一些特殊的命名鍵。
當前調用.隔離等級	描述隔離級別

D

調試主機登入失敗收集器	當測試案例發生故障時，收集器將收集並記錄主機端日誌。
預設連線	設備的預設連線表示，假定為設備的標準 adb 連線。
DefaultConnection.ConnectionBuilder	Builder 用於描述連接。
預設遠端AndroidTestRunner	ddmlib `RemoteAndroidTestRunner`的擴展，用於為 Tradefed 用例設定一些預設值。
預設測試Zip安裝程序	測試 zip 安裝程式的預設實作。
委託呼叫執行	`InvocationExecution`將執行委託給另一個 Tradefed 二進位。
依賴解析器	一種新型的提供程序，允許獲取測試的所有依賴項。
設備操作目標準備器	用於執行設備操作的`ITargetPreparer` 。
設備操作實用程式	用於執行設備操作的實用程式類別。
DeviceActionUtil.Command	設備操作命令。
DeviceActionUtil.DeviceActionConfigError	配置錯誤的異常。
設備分配結果	表示命令分配嘗試的結果。
設備分配狀態	從IDeviceManager角度表示設備的分配狀態
設備可用檢查器	檢查器以確保模組不會使設備處於離線狀態。
設備基線檢查器	在每個模組之前設定設備基線設定。
裝置基線設定器	用於建立裝置基線設定的抽象類別。
設備電池電量檢查器	`IRemoteTest`檢查最低電池電量，如果不存在最低電量，則等待電池達到第二個充電閾值。
設備電池資源度量收集器	此收集器收集設備電池指標。
設備建置描述符	`IBuildInfo`的包裝類，包含用於檢索設備平台建置資訊的幫助器方法。
設備建置資訊	表示完整 Android 裝置建置及其（可選）測試的`IBuildInfo` 。
DeviceBuildInfoBootStrapper	`ITargetPreparer` ，以從設備讀取的屬性替換建置資訊字段這對於測試具有從外部來源產生的版本的裝置非常有用（例如
設備建構資訊注入器	將`DeviceBuildDescriptor`元資料插入`IBuildInfo` `ITargetPreparer` 。
裝置清理器	測試後執行重新啟動或格式化作為清理操作，並可選擇關閉螢幕
DeviceCleaner.CleanupAction
DeviceCleaner.PostCleanupAction
設備並發實用程式	包含用於並發設備端命令執行的實用方法和類使用`ERROR(/ExecutorService)`執行作為`ShellCommandCallable`實作的命令，並使用`ERROR(/#joinFuture(String,Future,long))`與`ERROR(/ExecutorService)`傳回的`ERROR(/Future)`同步執行指令。
DeviceConcurrentUtil.ShellCommandCallable <V>	一個`ERROR(/Callable)` ，包含在`ITestDevice`上執行 shell 指令的詳細資訊。
設備配置持有者	一個特定的`IDeviceConfiguration`實現，將載入的設備配置物件儲存在其屬性中。
裝置描述符	包含描述被測設備資訊的類別。
設備斷開異常	當裝置無法再透過其傳輸類型存取時拋出，例如，如果裝置不再透過 USB 或 TCP/IP 連線可見
裝置錯誤標識符	來自裝置錯誤和裝置報告的錯誤的錯誤識別碼。
設備啟動失敗錯誤	如果裝置在刷新建置後無法啟動，則會拋出該錯誤。
設備功能模組控制器	模組控制器在不支援某些功能時不執行測試。
設備文件報告器	一個實用程式類，用於檢查裝置中是否有文件，如果找到，則將它們傳送到`ITestInvocationListener#testLog(String, LogDataType, InputStreamSource)` 。
裝置快閃記憶體準備器	一個`ITargetPreparer` ，可在實體 Android 硬體上閃爍圖像。
設備可折疊狀態	“cmd device_state print-states”傳回的裝置可折疊狀態的表示。
設備資料夾建置資訊	`IDeviceBuildInfo`也包含本機檔案系統上的目錄中所包含的其他建置工件。
裝置影像追蹤器	對於一些增量設備更新，我們需要基線檔案來計算差異。
DeviceImageTracker.FileCacheTracker	快取的設備鏡像及其元資料的追蹤訊息
DeviceImageZipFlashingTargetPreparer	目標準備器，使用透過特定格式提供的設備影像來刷新設備。
設備互聯網可訪問性資源度量收集器	收集器 ping google.com 以檢查設備是否可以存取互聯網。
DeviceJUnit4ClassRunner	JUnit4 測試運行器也容納`IDeviceTest` 。
DeviceJUnit4ClassRunner.LogAnnotation	虛假註釋的目的是向記者攜帶日誌。
DeviceJUnit4ClassRunner.MetricAnnotation	虛假註釋旨在向記者傳達指標。
DeviceJUnit4ClassRunner.TestLogData	`ExternalResource`和`TestRule`的實作。
DeviceJUnit4ClassRunner.TestMetrics	`ExternalResource`和`TestRule`的實作。
設備管理Grpc伺服器	GRPC 伺服器允許從 Tradefed 預留設備。
裝置經理
裝置管理員.FastbootDevice	處於快速啟動模式的設備的表示。
設備指標數據	物件保存指標收集器收集的所有資料。
設備監控多工器	用於將請求傳播到多個`IDeviceMonitor`代理程式類別。
設備不可用異常	當設備不再可用於測試時拋出。
設備所有者目標準備者	用於設定設備擁有者組件的`ITargetPreparer` 。
設備參數化運行器	JUnit4 風格的參數化運行器，用於主機端驅動的參數化測試。
設備屬性	設備端屬性名稱的通用常數定義
設備恢復模式實用程式
設備發布報告器	設備釋放報告器，用於處理與要釋放的設備的父進程的通訊。
設備重置功能	伺服器端實現設備重置。
設備重置處理程序	一般處理設備重置的實用程式。
設備運作時異常	當設備操作未產生預期結果時拋出。
設備選擇選項	設備選擇標準的容器。
DeviceSelectionOptions.DeviceRequestedType	支援的不同可能類型的佔位符設備。
設備設定檢查器	檢查模組運作期間設備設定是否已變更。
設備設定	一個`ITargetPreparer` ，根據提供的`Option`配置設備進行測試。
設備快照功能	設備快照的伺服器端實作。
設備快照處理程序	實用程式處理 Cuttlefish 快照。
設備狀態監視器	用於監視`IDevice`狀態的幫助程式類別。
DeviceStorageAgeResourceMetricCollector	從 logcat 解析儲存年齡。
設備儲存填充器	目標準備器填滿儲存空間，以便有一些可用空間。
設備儲存狀態檢查器	檢查設備是否有足夠的磁碟空間用於給定分割區。
裝置字串推送器	目標準備器將字串寫入檔案。
設備套件	擴充 JUnit4 容器`Suite` ，以便為需要它的測試提供`ITestDevice` 。
設備同步助手	幫助將新設備映像同步到設備的助手。
設備測試用例	提供`IRemoteTest`和`IDeviceTest`服務的 Helper JUnit 測試案例。
設備測試結果	`TestResult`的特化，當發生`DeviceNotAvailableException`時將中止
DeviceTestResult.RuntimeDeviceNotAvailableException
設備測試運行選項	與透過 BaseHostJUnit4Test 執行裝置測試相關的選項的建構器類別。
設備測試套件	Helper JUnit 測試套件提供`IRemoteTest`和`IDeviceTest`服務。
設備追蹤收集器	收集器將在測試運行開始時啟動 perfetto 追蹤並在結束時記錄追蹤檔案。
設備不可用監視器	此偵聽器僅嘗試擷取測試案例層級的 DNAE。
設備無響應異常	`DeviceNotAvailableException`的特化，表示裝置對 adb 可見，但無回應（即指令逾時、無法啟動等）
設備更新目標準備器	一個抽象的`ITargetPreparer` ，負責使用外部來源（而不是建置服務）的裝置映像檔更新裝置的常見步驟。
設備Wifi資源MetricCollector	收集器收集目前連接的 WiFi 訊號強度和連結速度指標。
設備擦拭器	擦除用戶資料的`ITargetPreparer`
有向圖<V>	有向未加權圖實現。
停用SELinuxTargetPreparer	目標準備器將停用 SELinux（如果已啟用）。
DryRun密鑰庫	用於空運行的密鑰庫，其中任何密鑰庫值始終都能正確替換和找到。
乾跑者	透明地進行測試而不是實際執行它們。
動態檔案存根測試	這是一個 tradefed 測試，用於測試 tradefed 能否正確解析動態檔案。
動態遠端文件解析器	幫助解析遠端檔案路徑的類別。
DynamicRemoteFileResolver.FileResolverLoader	載入`IRemoteFileResolver`的實作。
動態分片助手	分片策略允許在多個 TF 實例之間進行遠端工作排隊
動態分片連接資訊訊息	資料保存類，以便更輕鬆地透過功能伺服器發送。
動態系統準備器	`ITargetPreparer` ，透過動態系統更新在裝置建置之上設定係統映像。

乙

早期設備發布功能	用於早期設備發布的功能伺服器實作。
電子郵件	發送電子郵件的輔助類別。
電子郵件主機健康代理	用於從主機監視器報告發送電子郵件的`IHostHealthAgent`實現
EmmaXml常數	解析 emma xml 報告時所使用的常數。
模擬器記憶體CPU捕獲器
結束中央目錄訊息	EndCentralDirectoryInfo 是一個包含 zip 檔案整體資訊的類別。
強制SeLinux檢查器	確保 Selinux 狀態的狀態檢查器。
清除使用者資料準備器	一個`ITargetPreparer` ，用於擦除裝置上的使用者資料。
錯誤標識符	此介面描述了特定的錯誤及其屬性。
錯誤儲存工具	用於處理錯誤以與公共儲存保持一致的說明程式類別。
事件記錄監聽器	將接收到的所有事件記錄到檔案中的偵聽器
異常ThrowingRunnerWrapper
可執行基礎測試	可執行測試風格的基底類別。
可執行主機測試	測試運行程式以在主機上執行可執行檔。
可執行目標測試	測試運行程式以在目標上執行可執行檔。
執行檔	在執行測試或呼叫期間產生的檔案依賴項，需要攜帶這些依賴項進行測試。
執行檔.FilesKey	地圖已知標準鍵的枚舉。
執行屬性	在執行測試或呼叫期間產生的屬性。
現有建置提供者	傳回已建構的`IBuildInfo` `IBuildProvider` 。
擴充檔案	標準文件的擴展，用於攜帶建立相關的元資料。

F

故障描述	描述 Trade Federation 中的故障訊息的類別。
假測試	虛假測試，其目的是輕鬆產生可重複的測試結果。
假測試壓縮資料夾	一個測試裝置，根據內容清單建立一個假的解壓縮測試資料夾。
FakeTestsZipFolder.ItemType
FastbootCommandPreparer	觸發 fastboot 並傳送 fastboot 指令的目標準備器。
FastbootDeviceFlasher	依賴 fastboot 在實體 Android 硬體上刷新映像的類別。
快速啟動助手	用於快速啟動操作的輔助類別。
FastbootUpdateBootstrapPreparer	`ITargetPreparer`將指定檔案（引導程式、無線電、設備映像 zip）暫存到`IDeviceBuildInfo`中，以取得使用`FastbootDeviceFlasher`刷新的設備，然後將啟動後設備屬性注入到建置資訊中以用於結果報告目的。
致命主機錯誤	指示執行 TradeFederation 的主機上發生致命的不可回復錯誤的異常，並且應關閉 TradeFederation 實例。
功能標誌目標準備器	更新 DeviceConfig（由遠端服務調整的功能標誌）。
文件下載快取	維護下載檔案的本機檔案系統 LRU 快取的幫助程式類別。
文件下載快取工廠	用於建立`FileDownloadCache`工廠
文件下載快取包裝器	一個包裝類，在實作`IFileDownloader`介面的同時提供`FileDownloadCache`功能。
文件空閒監視器	監視檔案並在它們空閒時執行回調（即
檔案輸入串流來源	接受輸入檔的`InputStreamSource` 。
文件記錄器	將日誌訊息定向到檔案和標準輸出的`ILeveledLogOutput` 。
文件原型結果報告器	將`TestRecord`轉儲到文件中的原型報告器。
FilePullerDeviceMetricCollector	A `BaseDeviceMetricCollector` that listen for metrics key coming from the device and pull them as a file from the device.
FilePullerLogCollector	Logger of the file reported by the device-side.
FileSystemLogSaver	Save logs to a file system.
FileUtil	A helper class for file related operations
FileUtil.LowDiskSpaceException	Thrown if usable disk space is below minimum threshold.
FilteredResultForwarder	Variant of `ResultForwarder` that only allows an allowlist of `TestDescription` to be reported.
FixedByteArrayOutputStream	An in-memory `ERROR(/OutputStream)` that only keeps a maximum amount of data.
FlashingMethod	An enum to describe the method used to flash device under test
FlashingResourcesParser	A class that parses out required versions of auxiliary image files needed to flash a device.
FlashingResourcesParser.AndroidInfo	A typedef for `Map<String, MultiMap<String, String>>` .
FlashingResourcesParser.Constraint	A filtering interface, intended to allow `FlashingResourcesParser` to ignore some resources that it otherwise might use
FlashingResourceUtil	This utility helps setting the appropriate version of artifacts so they can be flashed via `DeviceFlashPreparer` .
FoldableExpandingHandler	A `IModuleParameterHandler` expanding into more for each non-primary foldable configuration.
FoldableHandler	Generic foldable handler that can take the foldable parameters to create a specialized module.
FoldableModePreparer	A target preparer that can switch the foldable state of a device.
FolderBuildInfo	Concrete implementation of a `IFolderBuildInfo` .
FolderSaver	A `ITargetPreparer` that pulls directories off device, compresses and saves it into logging backend.
FormattedGeneratorReporter	Reporter that allows to generate reports in a particular format.
FreeDeviceState
FuseUtil	A helper class for FUSE operations.

G

GceAvdInfo	Structure to hold relevant data for a given GCE AVD instance.
GceAvdInfo.GceStatus
GceAvdInfo.LogFileEntry
GceManager	Helper that manages the GCE calls to start/stop and collect logs from GCE.
GceRemoteCmdFormatter	Utility class to format commands to reach a remote gce device.
GceRemoteCmdFormatter.ScpMode	SCP can be used to push or pull file depending of the structure of the args.
GceSshTunnelMonitor	Thread Monitor for the Gce ssh tunnel.
GcovCodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull gcov coverage measurements off of the device and log them as test artifacts.
GcovKernelCodeCoverageCollector	A `BaseDeviceMetricCollector` that will pull gcov kernel coverage measurements out of debugfs and off of the device and then finally logs them as test artifacts.
GCSBucketUtil	File manager to download and upload files from Google Cloud Storage (GCS).
GCSBucketUtil.GCSFileMetadata	Simple wrapper for file info in GCS.
GCSCommon	Base class for Gcs operation like download and upload.
GCSConfigurationFactory	A `ConfigurationFactory` loads configs from Google Cloud Storage.
GCSConfigurationFactory.GCSConfigLoader	Extension of `ConfigurationFactory.ConfigLoader` that loads config from GCS, tracks the included configurations from one root config, and throws an exception on circular includes.
GCSConfigurationServer	Config server loads configs from Google Cloud Storage (GCS).
GCSDownloaderHelper	Downloader for GCS bucket that takes care of caching and resolving the global config.
GCSFileDownloader	File downloader to download file from google cloud storage (GCS).
GCSFileUploader	File uploader to upload file data to google cloud storage (GCS).
GCSHostResourceManager	Download host resource from GCS (Google cloud storage).
GcsRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading from a GCS bucket.
GenericLogcatEventParser <LogcatEventType>	Parse logcat input for events.
GenericLogcatEventParser.LogcatEvent	Struct to hold a logcat event with the event type and triggering logcat message
GetPreviousPassedHelper	Helper to get the previous passed test filters.
GkiDeviceFlashPreparer	A target preparer that flash the device with android common kernel generic image.
GlobalConfiguration	An `IGlobalConfiguration` implementation that stores the loaded config objects in a map
GlobalFilterGetter	Service implementation that returns the filters of a given invocation.
GlobalTestFilter	Filter options applied to the invocation.
GoogleApiClientUtil	Utils for create Google API client.
GoogleBenchmarkResultParser	Parses the results of Google Benchmark that run from shell, and return a map with all the results.
GoogleBenchmarkTest	A Test that runs a Google benchmark test package on given device.
GranularRetriableTestWrapper	A wrapper class works on the `IRemoteTest` to granulate the IRemoteTest in testcase level.
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	`AbstractHostMonitor` implementation that monitors the heap memory on the host and log it periodically to the history log.
HelloWorldMultiTargetPreparer	An example implementation of a `IMultiTargetPreparer` .
HistoryLogger	TF History Logger, special log that contains only some specific events.
HostGTest	A Test that runs a native test package.
HostMetric	This class represents a host metric sample to be reported.
HostOptions	Host options holder class.
HostStatsdMetricCollector	A `IMetricCollector` that collects statsd metrics from host side using statsd utility commands.
HostTest	A test runner for JUnit host based tests.
HostUtils	Implements some useful utility methods for running host tests.
HprofAllocSiteParser	Helper class to parse info from an Allocation Sites section of hprof reports.
HttpHelper	Contains helper methods for making http requests
HttpHelper.RequestRunnable	Runnable for making requests with `IRunUtil#runEscalatingTimedRetry(long, long, long, long, IRunnableResult)` .
HttpMultipartPost	Helper class for making multipart HTTP post requests.
HttpRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading remote file via http
HttpsRemoteFileResolver	Implementation of `IRemoteFileResolver` that allows downloading remote file via https

I

IAbi	Interface representing the ABI under test.
IAbiReceiver	A test that needs the ABI under test.
IAndroidDebugBridge	Interface definition for `AndroidDebugBridge` methods used in this package.
IAppBuildInfo	This interface is deprecated. Use `IBuildInfo` directly.
IAutoRetriableTest	Interface for an `IRemoteTest` that doesn't implement `ITestFilterReceiver` but still wishes to support auto-retry.
IBatteryInfo	The interface defining the interaction with a battery of a device.
IBatteryInfo.BatteryState	Describes the current battery charging state.
IBuildInfo	Holds information about the build under test.
IBuildInfo.BuildInfoProperties	Some properties that a `IBuildInfo` can have to tweak some handling of it.
IBuildProvider	Responsible for providing info regarding the build under test.
IBuildReceiver	A test that needs reference to the build under test.
IClusterClient	An interface for interacting with the TFC backend.
IClusterEvent	Interface for any cluster event to be uploaded to TFC.
IClusterEventUploader <T extends IClusterEvent >	Interface for ClusterEventUploader
IClusterOptions	An interface for getting cluster-related options.
ICommandOptions	Container for execution options for commands.
ICommandScheduler	A scheduler for running TradeFederation commands.
ICommandScheduler.IScheduledInvocationListener	Listener for invocation events when invocation completes.
ICompressionStrategy	An interface representing a compression algorithm that can be selected at runtime.
IConfigOptionValueTransformer	An interface for manipulating config option value
IConfigurableVirtualDevice	An interface to provide information about a possibly preconfigured virtual device info (host ip, host user, ports offset and etc.).
IConfiguration	Configuration information for a TradeFederation invocation.
IConfigurationFactory	Factory for creating `IConfiguration` s
IConfigurationReceiver	Simple interface to represent object that accepts an `IConfiguration` .
IConfigurationServer	An interface for config server.
ICredentialFactory	An interface for credential factory to create oauth2 `Credential` .
IDefaultObjectLoader	Interface for loading the default objects that should be part of our YAML configuration.
IDefaultObjectLoader.LoaderConfiguration	The loading configuration object to pass information to the loader.
IDeviceActionReceiver	Provides an API to receive device events.
IDeviceBuildInfo	A `IBuildInfo` that represents a complete Android device build and (optionally) its tests.
IDeviceBuildProvider	A `IBuildProvider` that uses information from a `ITestDevice` to retrieve a build.
IDeviceConfiguration	Device Configuration Holder Interface.
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 `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` .
ILabPreparer	Marker interface for lab preparers See `ITargetPreparer` for a description of what these interfaces are intended.
ILeveledLogOutput	Classes which implement this interface provides methods that deal with outputting log messages.
ILogcatReceiver	A class that provides the output of a device's logcat as an `InputStreamSource` .
ILogRegistry	An interface for a `ILogOutput` singleton logger that multiplexes and manages different loggers.
ILogRegistry.EventType	Events that are useful to be logged
ILogSaver	Classes which implement this interface provide methods for storing logs to a central location.
ILogSaverListener	Allows for `ITestInvocationListener` s to listen for when log files are saved.
IManagedTestDevice	A ITestDevice whose lifecycle is managed.
IManagedTestDevice.DeviceEventResponse	Container for a response to a `IManagedTestDevice#handleAllocationEvent(DeviceEvent)` call
IManagedTestDeviceFactory	Creator interface for `IManagedTestDevice` s
IMetricCollector	This interface will be added as a decorator when reporting tests results in order to collect matching metrics.
IMetricCollectorReceiver	Interface for `IRemoteTest` s to implement if they need to get the list of `IMetricCollector` s for the test run.
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 `ITargetPreparer` that installs all apps in a test zip.
InstallApexModuleTargetPreparer
InstallApkSetup	A `ITargetPreparer` that installs one or more apks located on the filesystem.
InstallBuildEnvApkSetup	A `ITargetPreparer` that installs one or more test apks from an Android platform build env.
InstalledInstrumentationsTest	Runs all instrumentation found on current device.
InstantAppHandler	Handler for `ModuleParameters#INSTANT_APP` .
InstrumentationPreparer	A `ITargetPreparer` that runs instrumentation
InstrumentationTest	A Test that runs an instrumentation test package on given device.
InvocationContext	Generic implementation of a `IInvocationContext` .
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` .
IPostProcessor	Post processors is a Trade Federation object meant to allow the processing of metrics and logs AFTER the tests and BEFORE result reporting.
IRemoteFeature	Interface describing a feature in Tradefed that can be executed based on the request.
IRemoteFileResolver	Interface for objects that can resolve a remote file into a local one.
IRemoteFileResolver.RemoteFileResolverArgs	The args passed to the resolvers
IRemoteFileResolver.ResolvedFile	Class holding information about the resolved file and some metadata.
IRemoteScheduledListenersFeature	Extension of `IRemoteFeature` to support passing in `IScheduledInvocationListener` s.
IRemoteTest	A test that reports results directly to a `ITestInvocationListener` .
IReportNotExecuted	In case of an incomplete execution, `IRemoteTest` that implements this interface may report their non-executed tests for improved reporting.
IRescheduler	Interface for rescheduling a config for future execution.
IResourceMetricCollector	The interface for user to implement customized resource collectors.
IRestApiHelper	A helper interface for performing REST API calls.
IResumableTest	This interface is deprecated. No need for this anymore
IRetryDecision	Interface driving the retry decision and applying the filter on the class for more targeted retry.
IRuntimeHintProvider
IRunUtil	Interface for running timed operations and system commands.
IRunUtil.EnvPriority	Enum that defines whether setting or unsetting a particular env.
IRunUtil.IRunnableResult	An interface for asynchronously executing an operation that returns a boolean status.
ISandbox	Interface defining a sandbox that can be used to run an invocation.
ISandboxFactory	Factory for creating `ISandbox` .
ISetOptionReceiver	Implementation of this interface should have an `Option` with a "set-option" name linked to `HostTest#SET_OPTION_NAME` .
IShardableListener	A `ITestInvocationListener` that can be sharded.
IShardableTest	A `IRemoteTest` that can be split into separately executable sub-tests.
IShardHelper	Interface of an object that describes the sharding strategy to adopt for a configuration.
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	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 `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	A `BaseDeviceMetricCollector` that will pull Java coverage measurements off of the device and log them as test artifacts.
JavaCodeCoverageFlusher	A utility class that resets and forces a flush of Java code coverage measurements from processes running on the device.
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	A `ITargetPreparer` that shuts down a running emulator.
KnownFailurePreparer	Target preparer to skip retrying known failure.

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.
LocalEmulatorLaunch	A TargetPreparer that launches an emulator locally from an android build environment.
LocalEmulatorSnapshot	A TargetPreparer intended for generating a clean emulator snapshot from a android build/development environment
LocalFileHeader	LocalFileHeader is a class containing the information of a file/folder inside a zip file.
LocalFileResolver	Implementation of `IRemoteFileResolver` that allows linking local files
LocalFolderBuildProvider	A `IBuildProvider` that constructs a `IFolderBuildInfo` based on a provided local path
LocalHostResourceManager	Manager host resource.
LocalPool	Implementation of a pool of local tests
LocalRunInstructionBuilder	Utility to compile the instruction to run test locally.
LockSettingsBaselineSetter	A setter to remove screen lock settings.
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 (eg user switch time) from logcat during one or multiple repeated tests by using given regex patterns to parse start and end signals of an event from logcat lines.
LogDataType	Represents the data type of log data.
LogFile	Class to hold the metadata for a saved log file.
LogFileSaver	A helper for `ITestInvocationListener` 's that will save log data to a file
LogReceiver
LogRegistry	A `ILogRegistry` implementation that multiplexes and manages different loggers, using the appropriate one based on the `ThreadGroup` of the thread making the call.
LogSaverResultForwarder	A `ResultForwarder` for saving logs with the global file saver.
LogUtil	A logging utility class.
LogUtil.CLog	A shim class for `Log` that automatically uses the simple classname of the caller as the log tag

M

MainlineModuleHandler	A simple handler class for Mainline Modules that creates a InstallApexModuleTargetPreparer and injects the dynamic link into it based on the given mainline modules to automatically retrieve those modules.
MainlineTestModuleController	Base class for a module controller to run tests based on the preloaded mainline modules on the device under test.
ManagedRemoteDevice	A device running inside a virtual machine that we manage remotely via a Tradefed instance inside the VM.
ManagedTestDeviceFactory	Factory to create the different kind of devices that can be monitored by Tf
MaxSdkModuleController	Base class for a module controller to not run tests on versions above a specified SDK version number.
MergedZipEntryCollection	Merge individual zip entries in a large zip file into blocks to minimize the download attempts.
MergeMultiBuildTargetPreparer	A `IMultiTargetPreparer` that allows to pass information from one build to another by naming them and the file key to copy to the other build.
MergeStrategy	Describes how the results should be aggregated when multiple attempts are present.
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 of `TestDescription` that allows to specify some extra parameters useful for: Tuning the behavior of the collectors, filtering some methods.
MetricsXMLResultReporter	MetricsXMLResultReporter writes test metrics and run metrics to an XML file in a folder specified by metrics-folder parameter at the invocationEnded phase of the test.
MetricTestCase	Extension of `TestCase` that allows to log metrics when running as part of TradeFed.
MetricTestCase.LogHolder	Structure to hold a log file to be reported.
MetricUtil	Utility class for pulling metrics from pushed statsd configurations.
MetricUtility	Contains common utility methods for storing the test metrics, aggregating the metrics in similar tests and writing the metrics to a file.
MinApiLevelModuleController	Base class for a module controller to not run tests when it below a specified API Level.
MinSdkModuleController	Base class for a module controller to not run tests on versions below a specified SDK version number.
MixImageZipPreparer	An `IMultiTargetPreparer` that mixes a system build's images in a device build.
MixKernelTargetPreparer	A `ITargetPreparer` that allows to mix a kernel image with the device image.
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
ModifiedFilesParser	Class responsible to parse and extract information from modified_files.json.
ModuleDefinition	Container for the test run configuration.
ModuleListener	Listener attached to each `IRemoteTest` of each module in order to collect the list of results.
ModuleLogcatCollector	Version of logcat collector but for module.
ModuleMerger	Helper class for operation related to merging `ITestSuite` and `ModuleDefinition` after a split.
ModuleOemTargetPreparer
ModuleParameters	Special values associated with the suite "parameter" keys in the metadata of each module.
ModuleParametersHelper	Helper to get the `IModuleParameterHandler` associated with the parameter.
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` .
ModuleTestTypeUtil	Contains common utility methods for checking module.
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 `ERROR(DeviceAction/com.android.tradefed.device.NativeDevice.DeviceAction DeviceAction)` for running a OS 'adb ....' command.
NativeDevice.AdbShellAction
NativeDevice.RebootDeviceAction	`ERROR(DeviceAction/com.android.tradefed.device.NativeDevice.DeviceAction DeviceAction)` for rebooting a device.
NativeDevice.RebootMode	A mode of a reboot.
NativeDeviceStateMonitor	Helper class for monitoring the state of a `IDevice` with no framework support.
NativeLeakCollector	A `ITargetPreparer` that runs 'dumpsys meminfo --unreachable -a' to identify the unreachable native memory currently held by each process.
NativeStressTest	A Test that runs a native stress test executable on given device.
NativeStressTestParser	A `IShellOutputReceiver` that parses the stress test data output, collecting metrics on number of iterations complete and average time per iteration.
NegativeHandler	Handler that specify that nothing should be done and the parameter should not create any extra module.
NestedDeviceStateMonitor	Device state monitor that executes extra checks on nested device to accommodate the specifics of the virtualized environment.
NestedRemoteDevice	Representation of the device running inside a remote Cuttlefish VM.
NetworkNotAvailableException	Thrown when a device is not able to connect to network for testing.
NoApkTestSkipper	Special preparer that allows to skip an invocation completely (preparation and tests) if there are no apks to tests.
NoDeviceException	Thrown when there's no device to execute a given command.
NoisyDryRunTest	Run noisy dry run on a command file.
NoOpConfigOptionValueTransformer	An no-op `IConfigOptionValueTransformer`
NotMultiAbiHandler	Special handler that notify the `SuiteModuleLoader` that the secondary abi should not create a module.
NullDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `IDeviceSelection#nullDeviceRequested()` is `true`

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.
PairingMultiTargetPreparer	A multi-target preparer helps make Bluetooth pairing (and connection) between two devices.
ParallelDeviceExecutor <V>	Wrapper of `ERROR(/ExecutorService)` to execute a function in parallel.
ParentSandboxInvocationExecution	Version of `InvocationExecution` for the parent invocation special actions when running a sandbox.
ParentShardReplicate	Replicate a setup for one device to all other devices that will be part of sharding.
PartialZipDownloadCache	Utility to cache partial download files based on their content.
PassingTestFileReporter	A `ITestInvocationListener` that saves the list of passing test cases to a test file
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 `FilePullerDeviceMetricCollector` that 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.
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 `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	This class is deprecated. Use `PushFilePreparer` instead
PushFilePreparer	A `ITargetPreparer` that attempts to push any number of files from any host path to any device path.
PythonBinaryHostTest	Host test meant to run a python binary file from the Android Build system (Soong) The test runner supports include-filter and exclude-filter.
PythonBinaryHostTest.PythonForwarder	Result forwarder to replace the run name by the binary name.
PythonUnitTestResultParser	Interprets the output of tests run with Python's unittest framework and translates it into calls on a series of `ITestInvocationListener` s.
PythonUnitTestRunner	This class is deprecated. Use `PythonBinaryHostTest` instead.
PythonVirtualenvHelper	A helper class for activating Python 3 virtual environment.
PythonVirtualenvPreparer	Sets up a Python virtualenv on the host and installs packages.

Q

QuotationAwareTokenizer

R

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 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`
RemoteDynamicPool	Implementation of a pool of remote work queued tests
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	A `ITargetPreparer` for removing an apk from the system partition before a test run.
ReportPassedTests	Report in a file possible filters to exclude passed test.
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.
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.
RootcanalForwarderPreparer
RootTargetPreparer	Target preparer that performs "adb root" or "adb unroot" based on option "force-root".
RunAftersWithInfo
RunBeforesWithInfo
RunCommandTargetPreparer
RunConfigDeviceRecovery	Generic base `IMultiDeviceRecovery` to run a tradefed configuration to do the recovery step.
RunHostCommandTargetPreparer	Target preparer to run arbitrary host commands before and after running the test.
RunHostScriptTargetPreparer	Target preparer which executes a script before running a test.
RunInterruptedException	Thrown when a run operation is interrupted by an external request.
RunNotifierWrapper	Wrapper of `RunNotifier` so we can carry the `DeviceNotAvailableException` .
RunOnCloneProfileParameterHandler
RunOnCloneProfileTargetPreparer
RunOnSdkSandboxHandler	Handler for `ModuleParameters#RUN_ON_SDK_SANDBOX` .
RunOnSdkSandboxTargetPreparer	An `ITargetPreparer` to marks that tests should run in the sdk sandbox.
RunOnSecondaryUserParameterHandler
RunOnSecondaryUserTargetPreparer	An `ITargetPreparer` that creates a secondary user in setup, and marks that tests should be run in that user.
RunOnSystemUserTargetPreparer	An `ITargetPreparer` that marks that tests should be run on the user (rather than the current user).
RunOnWorkProfileParameterHandler
RunOnWorkProfileTargetPreparer	An `ITargetPreparer` that creates a work profile in setup, and marks that tests should be run in that user.
RuntimeRestartCollector	Collector that collects timestamps of runtime restarts (system server crashes) during the test run, if any.
RunUtil	A collection of helper methods for executing operations.
RustBenchmarkResultParser	Interprets the output of tests run with Criterion benchmarking framework and translates it into calls on a series of `ITestInvocationListener` s.
RustBinaryHostTest	Host test meant to run a rust binary file from the Android Build system (Soong)
RustBinaryTest	A Test that runs a rust binary on given device.
RustTestBase	Base class of RustBinaryHostTest and RustBinaryTest
RustTestBase.EnvPair
RustTestBase.Invocation
RustTestResultParser	Interprets the output of tests run with Rust's unittest framework and translates it into calls on a series of `ITestInvocationListener` s.

S

SandboxConfigDump	Runner class that creates a `IConfiguration` based on a command line and dump it to a file.
SandboxConfigDump.DumpCmd
SandboxConfigurationException	Special Configuration Exception coming from the Sandbox setup.
SandboxConfigurationFactory	Special Configuration factory to handle creation of configurations for Sandboxing purpose.
SandboxConfigUtil	A utility class for managing `IConfiguration` when doing sandboxing.
SandboxedInvocationExecution	Special sandbox execution of the invocation: This is the InvocationExection for when we are inside the sandbox running the command.
SandboxInvocationRunner	Run the tests associated with the invocation in the sandbox.
SandboxOptions	Class that can receive and provide options to a `ISandbox` .
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.
SecondaryUserHandler	Handler for `ModuleParameters#SECONDARY_USER` .
SecondaryUserOnDefaultDisplayHandler	Handler for `ModuleParameters#SECONDARY_USER_ON_DEFAULT_DISPLAY` .
SecondaryUserOnSecondaryDisplayHandler	Handler for `ModuleParameters#SECONDARY_USER_ON_SECONDARY_DISPLAY` .
SemaphoreTokenTargetPreparer	This is a preparer used to use token to serialize test excution in tradefed host.
SerializationUtil	Utility to serialize/deserialize an object that implements `ERROR(/Serializable)` .
ServiceAccountKeyCredentialFactory	A credential factory to create service account key based oauth `Credential` .
SettingsBaselineSetter	A common setter to handle device baseline settings via ITestDevice.setSetting.
ShardBuildCloner	Helper class that handles cloning a build info from the command line.
ShardHelper	Helper class that handles creating the shards and scheduling them for an invocation.
ShardListener	A `ITestInvocationListener` that collects results from a invocation shard (aka an invocation split to run on multiple resources in parallel), and forwards them to another listener.
ShardMainResultForwarder	A `ResultForwarder` that combines the results of a sharded test invocations.
ShellOutputReceiverStream	Utility subclass of OutputStream that writes into an IShellOutputReceiver.
ShellStatusChecker	Check if the shell status is as expected before and after a module run.
ShippingApiLevelModuleController	Run tests if the device meets the following conditions: If `min-api-level` is defined: The device shipped with the `min-api-level` or later.
ShowmapPullerMetricCollector	Base implementation of `FilePullerDeviceMetricCollector` that allows pulling the showmap files from the device and collect the metrics from it.
SideloadOtaTargetPreparer	A target preparer that performs sideload of a specified OTA package, applies the package, waits for device to boot up, and injects the device build properties to use as build info This target preparer assumes that the device will be in regular adb mode when started, and will ensure that the device exits in the same mode but with the newer build applied.
SimpleFileLogger	A `ILeveledLogOutput` that directs log messages to stdout and to a single log file.
SimplePerfResult	Object to hold all simpleperf test results
SimplePerfStatResultParser	A utility class to parse simpleperf result.
SimplePerfUtil	Utility class to dispatch simple command and collect results
SimplePerfUtil.SimplePerfType	Enum of simpleperf command options
SimpleStats	A small utility class that calculates a few statistical measures given a numerical dataset.
SizeLimitedOutputStream	A thread safe file backed `ERROR(/OutputStream)` that limits the maximum amount of data that can be written.
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	A post processor that processes gauge metrics collected in a "before/after" approach, ie
StatsdEventMetricPostProcessor	A post processor that processes event metrics in statsd reports into key-value pairs, using the formatters specified on the processor.
StatsdGenericPostProcessor	A post processor that processes binary proto statsd reports into key-value pairs by expanding the report as a tree structure.
StatusCheckerResult	Contains the result of a `ISystemStatusChecker` execution.
StatusCheckerResult.CheckStatus
StdoutLogger	A `ILeveledLogOutput` that directs log messages to stdout.
StopServicesSetup	A `ITargetPreparer` that stops services on the device.
StreamProtoReceiver	A receiver that translates proto TestRecord received into Tradefed events.
StreamProtoResultReporter	An implementation of `ProtoResultReporter`
StreamUtil	Utility class for managing input streams.
StrictShardHelper	Sharding strategy to create strict shards that do not report together,
StringEscapeUtils	Utility class for escaping strings for specific formats.
StringUtil	Utility class for escaping strings for common string manipulation.
StubBuildProvider	No-op empty implementation of a `IBuildProvider` .
StubDevice	Stub placeholder implementation of a `IDevice` .
StubKeyStoreClient	Default stub implementation for KeyStore Client.
StubKeyStoreFactory	Default stub implementation for KeyStore Factory
StubLocalAndroidVirtualDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions.localVirtualDeviceRequested()` is `true`
StubMultiTargetPreparer	Placeholder empty implementation of a `IMultiTargetPreparer` .
StubTargetPreparer	Placeholder empty implementation of a `ITargetPreparer` .
StubTest	No-op empty test implementation.
StubTestRunListener	Stub implementation of `ITestRunListener`
SubprocessCommandException	A subprocess command failed to run.
SubprocessConfigBuilder	Build a wrapper TF config XML for an existing TF config.
SubprocessEventHelper	Helper to serialize/deserialize the events to be passed to the log.
SubprocessEventHelper.BaseTestEventInfo	Base Helper for TestIgnored information.
SubprocessEventHelper.FailedTestEventInfo	Helper for testFailed information.
SubprocessEventHelper.InvocationEndedEventInfo	Helper for invocation ended information.
SubprocessEventHelper.InvocationFailedEventInfo	Helper for InvocationFailed information.
SubprocessEventHelper.InvocationStartedEventInfo	Helper for invocation started information.
SubprocessEventHelper.LogAssociationEventInfo	Helper for logAssociation information.
SubprocessEventHelper.TestEndedEventInfo	Helper for testEnded information.
SubprocessEventHelper.TestLogEventInfo	Helper for testLog information.
SubprocessEventHelper.TestModuleStartedEventInfo	Helper for test module started information.
SubprocessEventHelper.TestRunEndedEventInfo	Helper for testRunEnded Information.
SubprocessEventHelper.TestRunFailedEventInfo	Helper for testRunFailed information
SubprocessEventHelper.TestRunStartedEventInfo	Helper for testRunStarted information
SubprocessEventHelper.TestStartedEventInfo	Helper for testStarted information
SubprocessExceptionParser	Helper to handle the exception output from standard Tradefed command runners.
SubprocessReportingHelper	A class to build a wrapper configuration file to use subprocess results reporter for a cluster command.
SubprocessResultsReporter	Implements `ITestInvocationListener` to be specified as a result_reporter and forward from the subprocess the results of tests, test runs, test invocations.
SubprocessTestResultsParser	Extends `ERROR(/FileOutputStream)` to parse the output before writing to the file so we can generate the test events on the launcher side.
SubprocessTestResultsParser.StatusKeys	Relevant test status keys.
SubprocessTfLauncher	A `IRemoteTest` for running tests against a separate TF installation.
SuiteApkInstaller	Installs specified APKs for Suite configuration: either from $ANDROID_TARGET_OUT_TESTCASES variable or the ROOT_DIR in build info.
SuiteModuleLoader	Retrieves Compatibility test module definitions from the repository.
SuiteModuleLoader.ConfigFilter	A `ERROR(/FilenameFilter)` to find all the config files in a directory.
SuiteResultHolder	Helper object to ease up serializing and deserializing the invocation results.
SuiteResultReporter	Collect test results for an entire suite invocation and output the final results.
SuiteResultReporter.ModulePrepTimes	Object holder for the preparation and tear down time of one module.
SuiteTestFilter	Represents a filter for including and excluding tests.
SwitchUserTargetPreparer	A `ITargetPreparer` that switches to the specified user kind in setUp.
SystemServerFileDescriptorChecker	Checks if system server appears to be running out of FDs.
SystemServerStatusChecker	Check if the pid of system_server has changed from before and after a module run.
SystemUpdaterDeviceFlasher	A `IDeviceFlasher` that relies on the system updater to install a system image bundled in a OTA update package.
SystemUtil	Utility class for making system calls.
SystemUtil.EnvVariable

T

TableBuilder	Helper class to display a matrix of String elements in a table.
TableFormatter	Helper class to display a matrix of String elements so each element column is lined up
TargetFileUtils
TargetFileUtils.FilePermission
TargetSetupError	A fatal error occurred while preparing the target for testing.
TarUtil	Utility to manipulate a tar file.
TcpDevice	A placeholder `IDevice` used by `DeviceManager` to allocate when `DeviceSelectionOptions.tcpDeviceRequested()` is `true`
TearDownPassThroughPreparer	Allows for running tearDown on preparers that are included in a config as an object.
TelephonyHelper	A utility to use and get information related to the telephony.
TelephonyHelper.SimCardInformation	An information holder for the sim card related information.
TelephonyTokenProvider	Token provider for telephony related tokens.
TemperatureThrottlingWaiter	An `ITargetPreparer` that waits until device's temperature gets down to target
TemplateResolutionError	Class extending `ConfigurationException` for template related error during configuration parsing.
TerribleFailureEmailHandler	A simple handler class that sends an email to interested people when a WTF (What a Terrible Failure) error occurs within a Trade Federation instance.
TestAppInstallSetup	A `ITargetPreparer` that installs one or more apps from a `IDeviceBuildInfo.getTestsDir()` folder onto device.
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.
TestFilePushSetup	A `ITargetPreparer` that pushes one or more files/dirs from a `IDeviceBuildInfo.getTestsDir()` folder onto device.
TestFilterHelper	Helper class for filtering tests
TestGroupStatus	A class to store status of a test group.
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.
TestRunnerUtil	A utility class to help various test runners.
TestRunResult	Holds results from a single test run.
TestRunToTestInvocationForwarder	Forwarder from ddmlib `ITestRunListener` to `ITestLifeCycleReceiver` .
TestsPoolPoller	Tests wrapper that allow to execute all the tests of a pool of tests.
TestSuiteInfo	A class that resolves loading of build related metadata for test suite To properly expose related info, a test suite must include a `test-suite-info.properties` file in its jar resources
TestSummary	A class to represent a test summary.
TestSummary.Type
TestSummary.TypedString
TestSystemAppInstallSetup	A `ITargetPreparer` that installs one or more apps from a `IDeviceBuildInfo.getTestsDir()` folder onto the /system partition on device.
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` .
TimeWaster	A simple target preparer to waste time and potentially restart the device.
TokenProperty	Supported token with dynamic sharding.
TokenProviderHelper	Helper that gives the provider associated to a particular token, in order to find out if a device supports the token.
TraceCmdCollector	A `IMetricCollector` that collects traces during the test using trace-cmd, and logs them to the invocation.
TracePropagatingExecutorService	An executor service that forwards tasks to an underlying implementation while propagating the tracing context.
TracingLogger	Class that helps to manage tracing for each test invocation.
TradefedConfigObject	A class to model a TradefedConfigObject message of TFC API.
TradefedConfigObject.Type	A list of configuration object types which can be injected to a cluster command config.
TradefedDelegator	Objects that helps delegating the invocation to another Tradefed binary.
TradefedFeatureClient	A grpc client to request feature execution from the server.
TradefedFeatureServer	A server that responds to requests for triggering features.
TradefedSandbox	Sandbox container that can run a Trade Federation invocation.
TradefedSandboxFactory	Default implementation for SandboxFactory
TradefedSandboxRunner	Runner associated with a `TradefedSandbox` that will allow executing the sandbox.
TradefedSandboxRunner.StubScheduledInvocationListener	A stub `IScheduledInvocationListener` that does nothing.

U

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

V

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

W

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

X

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