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NativeDevice

public class NativeDevice
extends Object implements IManagedTestDevice , IConfigurationReceiver

java.lang.Object
↳	com.android.tradefed.device.NativeDevice

已知的直接子类

测试设备

测试设备	为全栈 android 设备实现`ITestDevice`

已知的间接子类

LocalAndroidVirtualDevice , ManagedRemoteDevice , NestedRemoteDevice , RemoteAndroidDevice , RemoteAndroidVirtualDevice

本地AndroidVirtualDevice	TradeFed 主机上运行的本地虚拟设备的类。
托管远程设备	在虚拟机中运行的设备，我们通过虚拟机中的 Tradefed 实例远程管理它。
嵌套远程设备	在远程 Cuttlefish VM 中运行的设备的表示。
远程Android设备	为通过 adb connect 连接的全栈 android 设备实现`ITestDevice` 。
RemoteAndroidVirtualDevice	为在 Google Compute Engine (Gce) 中运行的全栈 Android 设备扩展`RemoteAndroidDevice`行为。

ITestDevice非全栈安卓设备的默认实现。

概括

嵌套类
`class`	`NativeDevice.AdbAction` 用于运行 OS 'adb ....' 命令的`DeviceAction` 。
`class`	`NativeDevice.AdbShellAction`
`class`	`NativeDevice.RebootDeviceAction` `DeviceAction`用于重新启动设备。
`enum`	`NativeDevice.RebootMode` 一种重启模式。

常数
`int`	`INVALID_USER_ID` 为任何无效/未找到的用户 ID 返回值：UserHandle 定义了 -10000 值
`long`	`MAX_HOST_DEVICE_TIME_OFFSET`
`int`	`MAX_RETRY_ATTEMPTS` 命令重试尝试执行的默认次数

字段
`protected static final String`	`SD_CARD`
`protected static final String`	`STORAGE_EMULATED`
`protected TestDeviceOptions`	`mOptions`
`protected final IDeviceStateMonitor`	`mStateMonitor`

公共构造函数
`NativeDevice (IDevice device, IDeviceStateMonitor stateMonitor, IDeviceMonitor allocationMonitor)` 创建一个`TestDevice` 。

公共方法
`boolean`	`checkApiLevelAgainstNextRelease (int strictMinLevel)` 在给定最低支持级别的情况下，检查当前是否支持某个功能。
`boolean`	`checkConnectivity ()` 检查设备是否具有网络连接。
`boolean`	`clearErrorDialogs ()` 尝试关闭设备 UI 上当前显示的任何错误对话框。
`void`	`clearLastConnectedWifiNetwork ()` 清除最后连接的 wifi 网络。
`void`	`clearLogcat ()` 删除任何累积的 logcat 数据。
`boolean`	`connectToWifiNetwork ( wifiSsidToPsk, boolean scanSsid)` `connectToWifiNetwork ( wifiSsidToPsk, boolean scanSsid)` 连接到 wifi 网络。
`boolean`	`connectToWifiNetwork (String wifiSsid, String wifiPsk)` 连接到 wifi 网络。
`boolean`	`connectToWifiNetwork ( wifiSsidToPsk)` `connectToWifiNetwork ( wifiSsidToPsk)` 连接到 wifi network.f
`boolean`	`connectToWifiNetwork (String wifiSsid, String wifiPsk, boolean scanSsid)` 连接到 wifi 网络。
`boolean`	`connectToWifiNetworkIfNeeded (String wifiSsid, String wifiPsk, boolean scanSsid)` `connectToWifiNetwork(String, String)`的一种变体，仅在设备当前没有网络连接时才连接。
`boolean`	`connectToWifiNetworkIfNeeded (String wifiSsid, String wifiPsk)` `connectToWifiNetwork(String, String)`的一种变体，仅在设备当前没有网络连接时才连接。
`int`	`createUser (String name, boolean guest, boolean ephemeral)` 使用给定名称和提供的标志创建用户
`int`	`createUser (String name)` 创建一个具有给定名称和默认标志 0 的用户。
`int`	`createUserNoThrow (String name)` 创建一个具有给定名称和默认标志 0 的用户。
`void`	`deleteFile (String deviceFilePath)` 用于删除设备上的文件或目录的辅助方法。
`boolean`	`deviceSoftRestarted ( ProcessInfo prevSystemServerProcess)` 通过比较当前 system_server 和以前的 system_server `ProcessInfo`来检查设备是否软重启的辅助方法。
`boolean`	`deviceSoftRestartedSince (long utcEpochTime, TimeUnit timeUnit)` 辅助方法，用于检查设备是否自 UTC 时间以来从设备及其`ERROR(/TimeUnit)`开始软重启。
`boolean`	`disableAdbRoot ()` 关闭 adb root。
`void`	`disableKeyguard ()` 尝试禁用键盘保护。
`boolean`	`disableNetworkMonitor ()` 禁用设备上的网络监控。
`boolean`	`disconnectFromWifi ()` 与 wifi 网络断开连接。
`boolean`	`doesFileExist (String deviceFilePath, int userId)` 确定设备上的文件是否存在给给定用户的帮助方法。
`boolean`	`doesFileExist (String deviceFilePath)` 确定设备上的文件是否存在的帮助方法。
`File`	`dumpHeap (String process, String devicePath)` 尝试从 system_server 转储堆。
`boolean`	`enableAdbRoot ()` 打开 adb root。
`boolean`	`enableNetworkMonitor ()` 在设备上启用网络监控。
`String`	`executeAdbCommand (long timeout, String... cmdArgs)` 辅助方法，它执行 adb 命令作为具有指定超时的系统命令。
`String`	`executeAdbCommand (String... cmdArgs)` 将 adb 命令作为系统命令执行的辅助方法。
`CommandResult`	`executeFastbootCommand (String... cmdArgs)` 将 fastboot 命令作为系统命令执行的辅助方法，默认超时为 2 分钟。
`CommandResult`	`executeFastbootCommand (long timeout, String... cmdArgs)` 将 fastboot 命令作为系统命令执行的辅助方法。
`CommandResult`	`executeLongFastbootCommand ( envVarMap, String... cmdArgs)` `executeLongFastbootCommand ( envVarMap, String... cmdArgs)` 辅助方法，它将长时间运行的 fastboot 命令作为具有系统环境变量的系统命令执行。
`CommandResult`	`executeLongFastbootCommand (String... cmdArgs)` 将长时间运行的快速启动命令作为系统命令执行的辅助方法。
`String`	`executeShellCommand (String command)` 执行 adb shell 命令并以`String`形式返回输出的辅助方法。
`void`	`executeShellCommand (String command, IShellOutputReceiver receiver, long maxTimeToOutputShellResponse, TimeUnit timeUnit, int retryAttempts)` 执行 adb shell 命令，带有更多参数来控制命令行为。
`void`	`executeShellCommand (String command, IShellOutputReceiver receiver, long maxTimeoutForCommand, long maxTimeToOutputShellResponse, TimeUnit timeUnit, int retryAttempts)` 执行 adb shell 命令，带有更多参数来控制命令行为。
`void`	`executeShellCommand (String command, IShellOutputReceiver receiver)` 执行给定的 adb shell 命令，如果命令失败则重试多次。
`CommandResult`	`executeShellV2Command (String cmd)` 辅助方法，它执行 adb shell 命令并将结果作为`CommandResult`正确填充，其中包含命令状态输出、stdout 和 stderr。
`CommandResult`	`executeShellV2Command (String cmd, OutputStream pipeToOutput)` 辅助方法，它执行`CommandResult` shell 命令并将结果作为正确填充命令状态输出和标准错误的命令结果返回。
`CommandResult`	`executeShellV2Command (String cmd, File pipeAsInput)` 辅助方法，它执行 adb shell 命令并将结果作为正确填充命令状态输出、stdout 和 stderr 的`CommandResult`返回。
`CommandResult`	`executeShellV2Command (String cmd, long maxTimeoutForCommand, TimeUnit timeUnit, int retryAttempts)` 执行 adb shell 命令，带有更多参数来控制命令行为。
`CommandResult`	`executeShellV2Command (String cmd, long maxTimeoutForCommand, TimeUnit timeUnit)` 执行 adb shell 命令，带有更多参数来控制命令行为。
`CommandResult`	`executeShellV2Command (String cmd, File pipeAsInput, OutputStream pipeToOutput, long maxTimeoutForCommand, TimeUnit timeUnit, int retryAttempts)` 执行 adb shell 命令，带有更多参数来控制命令行为。
`CommandResult`	`executeShellV2Command (String cmd, File pipeAsInput, OutputStream pipeToOutput, OutputStream pipeToError, long maxTimeoutForCommand, TimeUnit timeUnit, int retryAttempts)` 执行 adb shell 命令，带有更多参数来控制命令行为。
`CommandResult`	`fastbootWipePartition (String partition)` 擦除设备分区的辅助方法。
	`getActiveApexes ()` 获取有关设备上激活的 APEX 的信息。
	`getAllSettings (String namespace)` 返回请求的命名空间的键值对。
`DeviceAllocationState`	`getAllocationState ()` 返回设备当前的分配状态
`String`	`getAndroidId (int userId)` 查找并返回与 userId 关联的 android-id，如果未找到，则返回 null。
	`getAndroidIds ()` 创建一个找到匹配用户 id 的 android id 的 Map。
`int`	`getApiLevel ()` 获取设备 API 级别。
`PackageInfo`	`getAppPackageInfo (String packageName)` 获取有关安装在设备上的软件包的信息。
	`getAppPackageInfos ()` 获取设备上安装的软件包的信息。
`String`	`getBasebandVersion ()` 获取此设备的基带（无线电）版本的便捷方法。
`Integer`	`getBattery ()` 返回设备的当前电池电量，如果电池电量不可用，则返回 Null。
`boolean`	`getBooleanProperty (String name, boolean defaultValue)` 返回给定属性的布尔值。
	`getBootHistory ()` Helper 方法收集带有启动时间和启动原因的启动历史映射。
	`getBootHistorySince (long utcEpochTime, TimeUnit timeUnit)` Helper 方法收集自给定时间以来从设备和指定的时间单位开始的启动时间和启动原因的启动历史映射。
`String`	`getBootloaderVersion ()` 获取此设备的引导加载程序版本的便捷方法。
`InputStreamSource`	`getBugreport ()` 从设备中检索错误报告。
`InputStreamSource`	`getBugreportz ()` 从设备中检索错误报告。
`String`	`getBuildAlias ()` 检索设备当前正在运行的构建的别名。
`String`	`getBuildFlavor ()` 检索设备的构建风格。
`String`	`getBuildId ()` 检索设备当前正在运行的构建。
`String`	`getBuildSigningKeys ()` 返回用于签署设备映像的密钥类型通常，Android 设备可以使用测试密钥（如在 AOSP 中）或发布密钥（由各个设备制造商控制）进行签名
`DeviceDescriptor`	`getCachedDeviceDescriptor ()` 如果设备已分配，则返回缓存的`DeviceDescriptor` ，否则返回当前的`DeviceDescriptor` 。
`DeviceDescriptor`	`getCachedDeviceDescriptor (boolean shortDescriptor)` 如果设备已分配，则返回缓存的`DeviceDescriptor` ，否则返回当前的`DeviceDescriptor` 。
`String[]`	`getChildren (String path)` 替代使用有时由于权限而无法工作的`IFileEntry` 。
`DeviceFoldableState`	`getCurrentFoldableState ()` 如果发生某些问题，则返回设备的当前可折叠状态或 null。
`int`	`getCurrentUser ()` 返回当前运行用户的 id。
`String`	`getDeviceClass ()` 获取设备类。
`long`	`getDeviceDate ()` 返回自纪元以来设备的日期（以毫秒为单位）。
`DeviceDescriptor`	`getDeviceDescriptor ()` 从设备信息中返回一个`DeviceDescriptor`以获取有关它的信息，而无需传递实际的设备对象。
`DeviceDescriptor`	`getDeviceDescriptor (boolean shortDescriptor)` 从设备信息中返回一个`DeviceDescriptor`以获取有关它的信息，而无需传递实际的设备对象。
`TestDeviceState`	`getDeviceState ()` 获取设备的状态。
`long`	`getDeviceTimeOffset (Date date)` 帮助获取设备与给定`ERROR(/Date)`之间的时间差。
`InputStreamSource`	`getEmulatorOutput ()` 获取模拟器stdout和stderr的流
`Process`	`getEmulatorProcess ()` 返回此模拟器对应的`Process` 。
`final File`	`getExecuteShellCommandLog ()` 包含所有`executeShellCommand(String)`日志的日志。
`long`	`getExternalStoreFreeSpace ()` 确定设备外部存储可用空间量的辅助方法。
`String`	`getFastbootPath ()` 返回正在使用的 fastboot 二进制文件的路径。
`String`	`getFastbootProductType ()` 在快速启动模式下获取此设备产品类型的便捷方法。
`String`	`getFastbootProductVariant ()` 在快速启动模式下获取此设备产品类型的便捷方法。
`String`	`getFastbootSerialNumber ()` 返回快速启动模式序列号。
`String`	`getFastbootVariable (String variableName)` 从设备中检索给定的 fastboot 变量值。
`String`	`getFastbootVersion ()` 返回正在使用的 fastboot 二进制文件的版本字符串。
`IFileEntry`	`getFileEntry (String path)` 检索对设备上远程文件的引用。
`IFileEntry`	`getFileEntry (FileListingService.FileEntry entry)` 从非根路径获取`FileEntry`的非官方助手。
	`getFoldableStates ()` 返回设备上的可折叠状态列表。
`IDevice`	`getIDevice ()` 返回对关联的 ddmlib `IDevice`的引用。
	`getInstalledPackageNames ()` 获取设备上存在的应用程序包名称。
`long`	`getIntProperty (String name, long defaultValue)` 从设备返回给定属性的整数值。
`String`	`getIpAddress ()` 获取设备的 IP 地址。
`KeyguardControllerState`	`getKeyguardState ()` 返回一个对象以获取 keyguard 的当前状态，如果不支持，则返回 null。
`long`	`getLastExpectedRebootTimeMillis ()` 返回自 EPOCH 以来 Tradefed API 触发重启的最后一次时间（以毫秒为单位），由`System.currentTimeMillis()`返回。
`int`	`getLaunchApiLevel ()` 获取设备的第一个启动的 API 级别。
`InputStreamSource`	`getLogcat ()` 抓取 logcat 数据的快照流。
`InputStreamSource`	`getLogcat (int maxBytes)` 获取捕获的 logcat 数据的最后一个`maxBytes`的快照流。
`InputStreamSource`	`getLogcatDump ()` 获取设备当前 logcat 的转储。
`InputStreamSource`	`getLogcatSince (long date)` 从提供的日期开始抓取捕获的 logcat 数据的快照流。
`String`	`getMacAddress ()` 返回设备的MAC地址，如果从设备查询失败则返回null。
	`getMainlineModuleInfo ()` 获取设备上安装的主线模块的信息。
`int`	`getMaxNumberOfRunningUsersSupported ()` 获取支持的同时运行用户的最大数量。
`int`	`getMaxNumberOfUsersSupported ()` 获取支持的最大用户数。
`IDeviceStateMonitor`	`getMonitor ()` 返回与设备关联的`IDeviceStateMonitor` 。
`String`	`getMountPoint (String mountName)` 返回一个挂载点。
`ITestDevice.MountPointInfo`	`getMountPointInfo (String mountpoint)` 返回与指定挂载点路径相对应的`MountPointInfo` ，如果该路径没有任何挂载或没有作为挂载点出现在 /proc/mounts 中，则返回`null` 。
	`getMountPointInfo ()` 返回设备上 /proc/mounts 中信息的解析版本
`TestDeviceOptions`	`getOptions ()` 获取设备的测试选项。
`long`	`getPartitionFreeSpace (String partition)` 确定设备分区上可用空间量的辅助方法。
`Integer`	`getPrimaryUserId ()` 返回主用户 ID。
`ProcessInfo`	`getProcessByName (String processName)` Helper 方法运行“pidof”和“stat”命令并返回带有 PID 和给定进程的进程启动时间的`ProcessInfo`对象。
`String`	`getProcessPid (String process)` 如果出现问题，则返回服务的 pid 或 null。
`String`	`getProductType ()` 获取此设备产品类型的便捷方法。
`String`	`getProductVariant ()` 获取此设备产品变体的便捷方法。
`String`	`getProperty (String name)` 从设备中检索给定的属性值。
`ITestDevice.RecoveryMode`	`getRecoveryMode ()` 获取设备当前使用的恢复模式。
`InputStreamSource`	`getScreenshot (String format)` 从设备抓取屏幕截图。
`InputStreamSource`	`getScreenshot (long displayId)` 从给定显示 ID 的设备中抓取屏幕截图。
`InputStreamSource`	`getScreenshot (String format, boolean rescale)` 从设备抓取屏幕截图。
`InputStreamSource`	`getScreenshot ()` 从设备抓取屏幕截图。
`String`	`getSerialNumber ()` 获取此设备序列号的便捷方法。
`String`	`getSetting (int userId, String namespace, String key)` 返回请求设置的值。
`String`	`getSetting (String namespace, String key)` 请参阅`getSetting(int, String, String)`并在系统用户上执行。
`String`	`getSimOperator ()` 如果不可用或设备不可用，则返回 SIM 卡运营商或 null。
`String`	`getSimState ()` 如果不可用或设备不可用，则返回 SIM 卡状态或 null。
	`getTombstones ()` 从设备中获取并返回墓碑列表。
`long`	`getTotalMemory ()` 返回以字节为单位的总物理内存大小，如果出现内部错误，则返回 -1
	`getUninstallablePackageNames ()` 获取可卸载的应用程序包名称。
`boolean`	`getUseFastbootErase ()` 获取是否使用 fastboot erase 或 fastboot 格式擦除设备上的分区。
`int`	`getUserFlags (int userId)` 查找并返回给定用户的标志。
	`getUserInfos ()` 获取设备上 useId 到`UserInfo`的 Map。
`int`	`getUserSerialNumber (int userId)` 如果找到，则返回与 userId 关联的序列号，在任何其他情况下返回 -10000。
`IManagedTestDevice.DeviceEventResponse`	`handleAllocationEvent (DeviceEvent event)` 处理给定的`DeviceEvent` 。处理 DeviceEvent，它可能会也可能不会将此设备转换为新的分配状态。
`boolean`	`hasFeature (String feature)` 检查设备上是否有可用的功能。
`String`	`installPackage (File packageFile, boolean reinstall, String... extraArgs)` 在设备上安装 Android 软件包。
`String`	`installPackage (File packageFile, boolean reinstall, boolean grantPermissions, String... extraArgs)` 在设备上安装 Android 软件包。
`String`	`installPackageForUser (File packageFile, boolean reinstall, int userId, String... extraArgs)` 在设备上为给定用户安装 Android 软件包。
`String`	`installPackageForUser (File packageFile, boolean reinstall, boolean grantPermissions, int userId, String... extraArgs)` 在设备上为给定用户安装 Android 软件包。
`boolean`	`isAdbRoot ()`
`boolean`	`isAdbTcp ()`
`boolean`	`isAppEnumerationSupported ()` 检查设备上的平台是否支持应用枚举
`boolean`	`isDeviceEncrypted ()` 如果设备已加密，则返回。
`boolean`	`isDirectory (String path)` 如果设备上的路径是目录，则返回 True，否则返回 false。
`boolean`	`isEnableAdbRoot ()`
`boolean`	`isEncryptionSupported ()` 返回设备是否支持加密。
`boolean`	`isExecutable (String fullPath)` 如果设备上的文件路径是可执行文件，则返回 True，否则返回 false。
`boolean`	`isFastbootEnabled ()` 如果设备可以使用 fastboot，则返回。
`boolean`	`isHeadless ()` 如果设备是无头的（无屏幕），则返回 true，否则返回 false。
`boolean`	`isMultiUserSupported ()` 确定是否支持多用户。
`boolean`	`isPackageInstalled (String packageName, String userId)` 查询设备以获取给定的包名称和给定的用户 ID，以检查它当前是否已为该用户安装。
`boolean`	`isPackageInstalled (String packageName)` 查询设备以获取给定的包名称以检查它当前是否已安装。
`boolean`	`isRuntimePermissionSupported ()` 检查设备上的平台是否支持运行时权限授予
`boolean`	`isStateBootloaderOrFastbootd ()` 如果设备处于`TestDeviceState#FASTBOOT`或`TestDeviceState.FASTBOOTD`中，则返回 true。
`boolean`	`isUserRunning (int userId)` 检查给定用户是否正在运行。
`boolean`	`isUserSecondary (int userId)` 根据其标志返回指定用户是否为二级用户。
`boolean`	`isWifiEnabled ()` 测试wifi是否开启。
	`listDisplayIds ()` 收集“dumpsys SurfaceFlinger”报告的设备上可用显示 ID 的列表。
	`listUsers ()` 获取设备上的用户列表。
`boolean`	`logAnrs ( ITestLogger logger)` 从设备收集并记录 ANR。
`boolean`	`logBugreport (String dataName, ITestLogger listener)` 获取错误报告并将其记录到报告者的辅助方法。
`void`	`logOnDevice (String tag, Log.LogLevel level, String format, Object... args)` 在设备的 logcat 中记录一条消息。
`void`	`nonBlockingReboot ()` 发出命令以重新启动设备并在命令完成以及设备对 adb 不再可见时返回。
`void`	`postAdbRootAction ()` 如果设备需要在 adb root 之后和设备重新联机之前执行某些特定操作，则覆盖。
`void`	`postAdbUnrootAction ()` 如果设备需要在 adb unroot 之后和设备重新联机之前执行某些特定操作，则覆盖。
`void`	`postBootSetup ()` 执行说明以配置设备以在每次启动后进行测试。
`void`	`postInvocationTearDown (Throwable exception)` 调用完成后将执行的特定设备所需清理的额外步骤。
`void`	`preInvocationSetup ( IBuildInfo info, MultiMap <String, String> attributes)` 设备特定所需设置的额外步骤，将在调用流程之前在设备上执行。
`boolean`	`pullDir (String deviceFilePath, File localDir)` 从设备递归提取目录内容。
`boolean`	`pullFile (String remoteFilePath, File localFile)` 从设备中检索文件。
`File`	`pullFile (String remoteFilePath, int userId)` 从设备中检索文件，将其存储在本地临时`ERROR(/File)`中，然后返回该`File` 。
`File`	`pullFile (String remoteFilePath)` 从设备中检索文件，将其存储在本地临时`ERROR(/File)`中，然后返回该`File` 。
`boolean`	`pullFile (String remoteFilePath, File localFile, int userId)` 从设备中检索文件。
`String`	`pullFileContents (String remoteFilePath)` 从设备中检索文件，并返回内容。
`File`	`pullFileFromExternal (String remoteFilePath)` 一种从设备的外部存储中检索文件、将其存储在本地临时`ERROR(/File)`并返回对该`File`的引用的便捷方法。
`boolean`	`pushDir (File localFileDir, String deviceFilePath, excludedDirectories)` `pushDir (File localFileDir, String deviceFilePath, excludedDirectories)` 递归地将目录内容推送到设备，同时排除一些被过滤的目录。
`boolean`	`pushDir (File localFileDir, String deviceFilePath)` 递归地将目录内容推送到设备。
`boolean`	`pushFile (File localFile, String remoteFilePath, boolean evaluateContentProviderNeeded)` `pushFile(File, String)`的变体，可以选择考虑评估对内容提供者的需求。
`boolean`	`pushFile (File localFile, String remoteFilePath)` 将文件推送到设备。
`boolean`	`pushString (String contents, String remoteFilePath)` 将从字符串创建的文件推送到设备
`void`	`reboot (String reason)` 将设备重新启动到 adb 模式，并在重新启动后保留给定的`reason` 。
`void`	`reboot ()` 将设备重新启动到 adb 模式。
`void`	`rebootIntoBootloader ()` 将设备重新启动到引导加载程序模式。
`void`	`rebootIntoFastbootd ()` 将设备重新启动到 fastbootd 模式。
`void`	`rebootIntoRecovery ()` 将设备重新启动到 adb 恢复模式。
`void`	`rebootIntoSideload ()` 重启设备进入 adb sideload 模式（注意这是恢复中的特殊模式）阻塞直到设备进入侧载模式
`void`	`rebootIntoSideload (boolean autoReboot)` 重启设备进入 adb sideload 模式（注意这是恢复中的特殊模式）阻塞直到设备进入侧载模式
`void`	`rebootUntilOnline ()` `reboot()`的替代方法，它只阻塞直到设备在线，即对 adb 可见。
`void`	`rebootUntilOnline (String reason)` `reboot()`的替代方法，它只阻塞直到设备在线，即对 adb 可见。
`void`	`rebootUserspace ()` 仅重新启动设备的用户空间部分。
`void`	`rebootUserspaceUntilOnline ()` `rebootUserspace()` ()} 的替代方案，仅在设备在线（即对 adb 可见）之前阻塞。
`boolean`	`recoverDevice ()` 尝试恢复设备通信。
`void`	`remountSystemWritable ()` 使设备上的系统分区可写。
`void`	`remountVendorWritable ()` 使设备上的供应商分区可写。
`boolean`	`removeAdmin (String componentName, int userId)` 删除给定用户中的给定设备管理员，如果成功则返回`true` ，否则返回`false` 。
`void`	`removeOwners ()` 尽最大努力删除所有现有的设备配置文件所有者。
`boolean`	`removeUser (int userId)` 从设备中删除给定用户。
`void`	`resetContentProviderSetup ()` 重置内容提供程序设置的标志以再次触发它。
`boolean`	`runInstrumentationTests (IRemoteAndroidTestRunner runner, ITestLifeCycleReceiver... listeners)` 使用一个或多个作为参数传递的侦听器执行`ERROR(/#runInstrumentationTests(com.android.ddmlib.testrunner.IRemoteAndroidTestRunner,Collection))`的便捷方法。
`boolean`	`runInstrumentationTests (IRemoteAndroidTestRunner runner, listeners)` `runInstrumentationTests (IRemoteAndroidTestRunner runner, listeners)` 运行仪器测试，并提供设备恢复。
`boolean`	`runInstrumentationTestsAsUser (IRemoteAndroidTestRunner runner, int userId, ITestLifeCycleReceiver... listeners)` 与`ITestDevice#runInstrumentationTests(IRemoteAndroidTestRunner, ITestLifeCycleReceiver...)`相同，但为给定用户运行测试。
`boolean`	`runInstrumentationTestsAsUser (IRemoteAndroidTestRunner runner, int userId, listeners)` `runInstrumentationTestsAsUser (IRemoteAndroidTestRunner runner, int userId, listeners)` 与`ERROR(ITestDevice#runInstrumentationTests(IRemoteAndroidTestRunner, Collection)/com.android.tradefed.device.ITestDevice#runInstrumentationTests(com.android.ddmlib.testrunner.IRemoteAndroidTestRunner,Collection) ITestDevice#runInstrumentationTests(IRemoteAndroidTestRunner, Collection))`但运行测试对于给定的用户。
`void`	`setConfiguration ( IConfiguration configuration)` 注入正在使用的`IConfiguration` 。
`void`	`setDate (Date date)` 在设备上设置日期注意：在设备上设置日期需要root
`boolean`	`setDeviceOwner (String componentName, int userId)` 在给定用户中将设备管理组件设置为设备所有者。
`void`	`setDeviceState ( TestDeviceState deviceState)` 更新设备的状态。
`void`	`setEmulatorOutputStream ( SizeLimitedOutputStream output)` 对于模拟器，将`SizeLimitedOutputStream`设置为日志输出
`void`	`setEmulatorProcess (Process p)` 当此设备是模拟器时，设置`Process` 。
`void`	`setFastbootEnabled (boolean fastbootEnabled)` 设置设备的快速启动选项。
`void`	`setFastbootPath (String fastbootPath)` 设置应该使用的 fastboot 二进制文件的路径。
`void`	`setIDevice (IDevice newDevice)` 更新与此 ITestDevice 关联的 IDevice。
`void`	`setOptions ( TestDeviceOptions options)` 为设备设置`TestDeviceOptions`
`boolean`	`setProperty (String propKey, String propValue)` 在设备上设置给定的属性值。
`void`	`setRecovery ( IDeviceRecovery recovery)` 设置要用于此设备的`IDeviceRecovery` 。
`void`	`setRecoveryMode ( ITestDevice.RecoveryMode mode)` 设置要用于设备的当前恢复模式。
`void`	`setSetting (String namespace, String key, String value)` 请参阅`setSetting(int, String, String, String)`并在系统用户上执行。
`void`	`setSetting (int userId, String namespace, String key, String value)` 将设置值添加到给定用户的命名空间。
`void`	`setUseFastbootErase (boolean useFastbootErase)` 设置是否使用 fastboot erase 或 fastboot 格式擦除设备上的分区。
`void`	`startLogcat ()` 开始在后台从设备捕获 logcat 输出。
`boolean`	`startUser (int userId)` 如果当前已停止，则在后台启动给定用户。
`boolean`	`startUser (int userId, boolean waitFlag)` 如果当前已停止，则在后台启动给定用户。
`void`	`stopEmulatorOutput ()` 关闭并删除模拟器输出。
`void`	`stopLogcat ()` 停止从设备捕获 logcat 输出，并丢弃当前保存的 logcat 数据。
`boolean`	`stopUser (int userId)` 停止给定用户。
`boolean`	`stopUser (int userId, boolean waitFlag, boolean forceFlag)` 停止给定用户。
`String`	`switchToAdbTcp ()` 将设备切换到 adb-over-tcp 模式。
`boolean`	`switchToAdbUsb ()` 将设备切换到 adb over usb 模式。
`boolean`	`switchUser (int userId)` 切换到另一个具有默认超时的 userId。
`boolean`	`switchUser (int userId, long timeout)` 使用提供的超时作为截止日期切换到另一个用户 ID。
`boolean`	`syncFiles (File localFileDir, String deviceFilePath)` 将本地文件目录的内容增量同步到设备。
`Bugreport`	`takeBugreport ()` 获取错误报告并将其返回到`Bugreport`对象中以进行处理。
`String`	`uninstallPackage (String packageName)` 从设备上卸载 Android 软件包。
`String`	`uninstallPackageForUser (String packageName, int userId)` 从给定用户的设备上卸载 Android 软件包。
`boolean`	`unlockDevice ()` 如果设备处于加密状态，则解锁设备。
`boolean`	`waitForBootComplete (long timeOut)` 阻塞直到设备的启动完成标志被设置。
`boolean`	`waitForDeviceAvailable ()` 等待设备响应并可用于测试。
`boolean`	`waitForDeviceAvailable (long waitTime)` 等待设备响应并可用于测试。
`void`	`waitForDeviceBootloader ()` 阻塞直到设备通过 fastboot 可见。
`boolean`	`waitForDeviceInRecovery (long waitTime)` 阻止设备处于“adb recovery”状态（注意这与`IDeviceRecovery`不同）。
`boolean`	`waitForDeviceInSideload (long waitTime)` 阻止设备处于“adb sideload”状态
`boolean`	`waitForDeviceNotAvailable (long waitTime)` 设备不可用的块，即从 adb 中丢失
`void`	`waitForDeviceOnline ()` 阻塞直到设备通过 adb 可见。
`void`	`waitForDeviceOnline (long waitTime)` 阻塞直到设备通过 adb 可见。
`boolean`	`waitForDeviceShell (long waitTime)` 等待设备响应基本的 adb shell 命令。

受保护的方法
`void`	`checkApiLevelAgainst (String feature, int strictMinLevel)`
`NativeDevice.RebootDeviceAction`	`createRebootDeviceAction ( NativeDevice.RebootMode rebootMode, String reason)` 创建要在执行重新启动操作时使用的`RebootDeviceAction` 。
`void`	`doAdbReboot ( NativeDevice.RebootMode rebootMode, String reason)` 执行 adb 重启。
`void`	`ensureRuntimePermissionSupported ()` 如果不支持运行时权限，则抛出异常的辅助方法
`InputStreamSource`	`getBugreportInternal ()`
`File`	`getBugreportzInternal ()` 将 bugreportz zip 文件作为`ERROR(/File)`获取的内部助手方法。
`IRunUtil`	`getRunUtil ()` 获取要使用的`RunUtil`实例。
`String`	`internalGetProperty (String propName, String fastbootVar, String description)` 默认情况下，从 ddmlib 缓存中获取设备属性，然后根据设备是否处于 Fastboot 状态，回退到 `adb shell getprop` 或 `fastboot getvar`。
`boolean`	`isNewer (File localFile, IFileEntry entry)` 如果本地文件比远程文件更新，则返回`true` 。
`boolean`	`performDeviceAction (String actionDescription, com.android.tradefed.device.NativeDevice.DeviceAction action, int retryAttempts)` 在此设备上执行操作。
`void`	`postAdbReboot ()` 重新启动后可能采取的额外操作。
`void`	`prePostBootSetup ()` 允许每种设备类型（AndroidNativeDevice、TestDevice）覆盖此方法以进行特定的启动后设置。
`boolean`	`pullFileInternal (String remoteFilePath, File localFile)`
`void`	`setClock (Clock clock)` 设置要使用的时钟实例。
`void`	`setLogStartDelay (int delay)` 设置开始在线设备的 logcat 捕获之前等待的时间（以毫秒为单位）。
`CommandResult`	`simpleFastbootCommand (long timeout, envVarMap, String[] fullCmd)` `simpleFastbootCommand (long timeout, envVarMap, String[] fullCmd)` 使用环境变量执行简单的 fastboot 命令并报告命令的状态。
`CommandResult`	`simpleFastbootCommand (long timeout, String[] fullCmd)` 执行一个简单的 fastboot 命令并报告命令的状态。
`boolean`	`waitForDeviceNotAvailable (String operationDesc, long time)` 等待设备不可用（停止向 adb 报告）。

常数

INVALID_USER_ID

public static final int INVALID_USER_ID

为任何无效/未找到的用户 ID 返回值：UserHandle 定义了 -10000 值

常数值：-10000 (0xffffd8f0)

MAX_HOST_DEVICE_TIME_OFFSET

protected static final long MAX_HOST_DEVICE_TIME_OFFSET

常数值：5000 (0x0000000000001388)

MAX_RETRY_ATTEMPTS

protected static final int MAX_RETRY_ATTEMPTS

命令重试尝试执行的默认次数

常数值：2 (0x00000002)

字段

SD卡

protected static final String SD_CARD

STORAGE_EMULATED

protected static final String STORAGE_EMULATED

mOptions

protected TestDeviceOptions mOptions

mStateMonitor

protected final IDeviceStateMonitor mStateMonitor

公共构造函数

NativeDevice

public NativeDevice (IDevice device, 
                IDeviceStateMonitor stateMonitor, 
                IDeviceMonitor allocationMonitor)

创建一个TestDevice 。

参数
`device`	`IDevice` : 关联的`IDevice`
`stateMonitor`	`IDeviceStateMonitor` ：要使用的`IDeviceStateMonitor`机制
`allocationMonitor`	`IDeviceMonitor` ：通知分配状态更改的`IDeviceMonitor` 。可以为空

公共方法

checkApiLevelAgainstNextRelease

public boolean checkApiLevelAgainstNextRelease (int strictMinLevel)

在给定最低支持级别的情况下，检查当前是否支持某个功能。在 API 级别提升之前，此方法考虑了尚未发布的功能。

参数
`strictMinLevel`	`int` ：支持该功能的严格最小可能级别。

退货
`boolean`	如果支持该级别，则为真。否则为假。

投掷
`DeviceNotAvailableException`

检查连接性

public boolean checkConnectivity ()

检查设备是否具有网络连接。

退货
`boolean`	如果设备具有有效的网络连接，则为`true` ，否则为`false` 。

投掷
`DeviceNotAvailableException`

清除错误对话框

public boolean clearErrorDialogs ()

尝试关闭设备 UI 上当前显示的任何错误对话框。

退货
`boolean`	如果不存在对话框或成功清除对话框，则为`true` 。否则`false` 。

投掷
`DeviceNotAvailableException`

clearLastConnectedWifi网络

public void clearLastConnectedWifiNetwork ()

清除最后连接的 wifi 网络。这应该在开始新调用时调用，以避免在设备重启后连接到之前测试中使用的 wifi 网络。

清除Logcat

public void clearLogcat ()

删除任何累积的 logcat 数据。

这对于您希望确保ITestDevice#getLogcat()仅返回某个点之后生成的日志数据（例如在刷新新设备构建之后等）的情况很有用。

连接到Wifi网络

public boolean connectToWifiNetwork ( wifiSsidToPsk, 
                boolean scanSsid)

连接到 wifi 网络。

打开 wifi 并阻止，直到与 wifiSsidToPsk 地图中给出的 wifi 网络之一成功连接。建立连接后，实例将在每次重启后尝试恢复连接，直到ITestDevice#disconnectFromWifi()或ITestDevice#clearLastConnectedWifiNetwork() 。

参数
`wifiSsidToPsk`	：wifi SSID 到密码的映射。
`scanSsid`	`boolean` : 是否扫描此网络的隐藏 SSID。

退货
`boolean`	如果成功连接到 wifi 网络，则为`true` 。否则`false`

投掷
`DeviceNotAvailableException`

连接到Wifi网络

public boolean connectToWifiNetwork (String wifiSsid, 
                String wifiPsk)

连接到 wifi 网络。

打开 wifi 并阻止，直到成功连接到指定的 wifi 网络。建立连接后，实例将在每次重启后尝试恢复连接，直到ITestDevice#disconnectFromWifi()或ITestDevice#clearLastConnectedWifiNetwork() 。

参数
`wifiSsid`	`String` : 要连接的 wifi ssid
`wifiPsk`	`String` ：PSK 密码，如果未加密，则为 null

退货
`boolean`	如果成功连接到 wifi 网络，则为`true` 。否则`false`

投掷
`DeviceNotAvailableException`

连接到Wifi网络

public boolean connectToWifiNetwork ( wifiSsidToPsk)

连接到 wifi 网络。

参数
`wifiSsidToPsk`	：wifi SSID 到密码的映射。

退货
`boolean`	如果成功连接到 wifi 网络，则为`true` 。否则`false`

投掷
`DeviceNotAvailableException`

连接到Wifi网络

public boolean connectToWifiNetwork (String wifiSsid, 
                String wifiPsk, 
                boolean scanSsid)

连接到 wifi 网络。

参数
`wifiSsid`	`String` : 要连接的 wifi ssid
`wifiPsk`	`String` ：PSK 密码，如果未加密，则为 null
`scanSsid`	`boolean` : 是否扫描此网络的隐藏 SSID。

退货
`boolean`	如果成功连接到 wifi 网络，则为`true` 。否则`false`

投掷
`DeviceNotAvailableException`

connectToWifiNetworkIfNeeded

public boolean connectToWifiNetworkIfNeeded (String wifiSsid, 
                String wifiPsk, 
                boolean scanSsid)

connectToWifiNetwork(String, String)的一种变体，仅在设备当前没有网络连接时才连接。

参数
`scanSsid`	`boolean` : 是否扫描此网络的隐藏 SSID

退货
`boolean`	如果成功连接到 wifi 网络，则为`true` 。否则`false`

投掷
`DeviceNotAvailableException`

connectToWifiNetworkIfNeeded

public boolean connectToWifiNetworkIfNeeded (String wifiSsid, 
                String wifiPsk)

connectToWifiNetwork(String, String)的一种变体，仅在设备当前没有网络连接时才连接。

退货
`boolean`	如果成功连接到 wifi 网络，则为`true` 。否则`false`

投掷
`DeviceNotAvailableException`

创建用户

public int createUser (String name, 
                boolean guest, 
                boolean ephemeral)

使用给定名称和提供的标志创建用户

参数
`name`	`String` : 要在设备上创建的用户
`guest`	`boolean` : 在创建期间启用用户标志 --guest
`ephemeral`	`boolean` : 在创建期间启用用户标志 --ephemeral

退货
`int`	创建用户的id

投掷
`DeviceNotAvailableException`

创建用户

public int createUser (String name)

创建一个具有给定名称和默认标志 0 的用户。

参数
`name`	`String` : 要在设备上创建的用户

退货
`int`	创建的用户 ID 的整数

投掷
`DeviceNotAvailableException`

createUserNoThrow

public int createUserNoThrow (String name)

创建一个具有给定名称和默认标志 0 的用户。

参数
`name`	`String` : 要在设备上创建的用户

退货
`int`	创建的用户 ID 的整数或 -1 表示错误。

投掷
`DeviceNotAvailableException`

删除文件

public void deleteFile (String deviceFilePath)

用于删除设备上的文件或目录的辅助方法。

参数
`deviceFilePath`	`String` : 文件在设备上的绝对路径。

投掷
`DeviceNotAvailableException`

deviceSoftRestarted

public boolean deviceSoftRestarted (ProcessInfo prevSystemServerProcess)

通过比较当前 system_server 和以前的 system_server ProcessInfo来检查设备是否软重启的辅助方法。使用getProcessByName(String)获取ProcessInfo 。

参数
`prevSystemServerProcess`	`ProcessInfo` ：之前的 system_server 进程`ProcessInfo` 。

退货
`boolean`	如果设备软重启，则为`true`

投掷
`DeviceNotAvailableException`

deviceSoftRestartedSince

public boolean deviceSoftRestartedSince (long utcEpochTime, 
                TimeUnit timeUnit)

辅助方法，用于检查设备是否自 UTC 时间以来从设备及其ERROR(/TimeUnit)开始软重启。软重启是指 system_server 在设备硬重启之外重启（例如：请求重启）。可以通过getDeviceDate()方法获取 Milliseseccond 中的当前设备 utcEpochTime。

参数
`utcEpochTime`	`long` ：自纪元以来的设备时间，以秒为单位。
`timeUnit`	`TimeUnit` ：给定 utcEpochTime 的时间单位`TimeUnit` 。

退货
`boolean`	如果设备软重启，则为`true`

投掷
`DeviceNotAvailableException`

禁用AdbRoot

public boolean disableAdbRoot ()

关闭 adb root。

禁用 adb root 可能会导致设备与 adb 断开连接。此方法将阻塞，直到设备可用。

退货
`boolean`	如果成功，则为`true` 。

投掷
`DeviceNotAvailableException`

禁用键盘保护

public void disableKeyguard ()

尝试禁用键盘保护。

首先等待输入调度准备好，这大约在设备报告 BOOT_COMPLETE 的同时发生，显然是异步的，因为当前的框架实现偶尔会出现竞争条件。然后发送命令以解除键盘锁（仅适用于非安全键盘）

投掷
`DeviceNotAvailableException`

禁用网络监视器

public boolean disableNetworkMonitor ()

禁用设备上的网络监控。

退货
`boolean`	如果成功禁用监视，则为`true` 。如果失败则为`false` 。

投掷
`DeviceNotAvailableException`

disconnectFromWifi

public boolean disconnectFromWifi ()

与 wifi 网络断开连接。

从已知网络列表中删除所有网络并禁用 wifi。

退货
`boolean`	如果成功从 wifi 网络断开连接，则为`true` 。如果断开连接失败，则返回`false` 。

投掷
`DeviceNotAvailableException`

文件存在

public boolean doesFileExist (String deviceFilePath, 
                int userId)

确定设备上的文件是否存在给给定用户的帮助方法。

参数
`deviceFilePath`	`String` : 设备上要检查的文件的绝对路径
`userId`	`int` : 检查文件是否存在的用户 ID

退货
`boolean`	如果文件存在则为`true` ，否则为`false` 。

投掷
`DeviceNotAvailableException`

文件存在

public boolean doesFileExist (String deviceFilePath)

确定设备上的文件是否存在的帮助方法。

参数
`deviceFilePath`	`String` : 设备上要检查的文件的绝对路径

退货
`boolean`	如果文件存在则为`true` ，否则为`false` 。

投掷
`DeviceNotAvailableException`

转储堆

public File dumpHeap (String process, 
                String devicePath)

尝试从 system_server 转储堆。清理转储文件是调用者的责任。

参数
`process`	`String` : 要转储的设备进程的名称。
`devicePath`	`String` ：设备上放置转储的路径。这必须是权限允许的位置。

退货
`File`	包含报告的`ERROR(/File)` 。如果某事失败，则为空。

投掷
`DeviceNotAvailableException`

启用AdbRoot

public boolean enableAdbRoot ()

打开 adb root。如果“enable-root”设置为“false”，将记录一条消息并在不启用 root 的情况下返回。

启用 adb root 可能会导致设备与 adb 断开连接。此方法将阻塞，直到设备可用。

退货
`boolean`	如果成功，则为`true` 。

投掷
`DeviceNotAvailableException`

启用网络监视器

public boolean enableNetworkMonitor ()

在设备上启用网络监控。

退货
`boolean`	如果成功启用监控，则为`true` 。如果失败则为`false` 。

投掷
`DeviceNotAvailableException`

执行AdbCommand

public String executeAdbCommand (long timeout, 
                String... cmdArgs)

辅助方法，它执行 adb 命令作为具有指定超时的系统命令。

应尽可能使用executeShellCommand(String) ，因为该方法提供了更好的故障检测和性能。

参数
`timeout`	`long` ：设备被认为无响应之前的时间（以毫秒为单位），0L 表示没有超时
`cmdArgs`	`String` ：要运行的 adb 命令和参数

退货
`String`	命令的标准输出。如果命令执行失败，则返回`null` 。

投掷
`DeviceNotAvailableException`

执行AdbCommand

public String executeAdbCommand (String... cmdArgs)

将 adb 命令作为系统命令执行的辅助方法。

应尽可能使用executeShellCommand(String) ，因为该方法提供了更好的故障检测和性能。

参数
`cmdArgs`	`String` ：要运行的 adb 命令和参数

退货
`String`	命令的标准输出。如果命令执行失败，则返回`null` 。

投掷
`DeviceNotAvailableException`

执行Fastboot命令

public CommandResult executeFastbootCommand (String... cmdArgs)

将 fastboot 命令作为系统命令执行的辅助方法，默认超时为 2 分钟。

预计在设备已处于快速启动模式时使用。

参数
`cmdArgs`	`String` : 要运行的 fastboot 命令和参数

退货
`CommandResult`	包含命令输出的 CommandResult

投掷
`DeviceNotAvailableException`

执行Fastboot命令

public CommandResult executeFastbootCommand (long timeout, 
                String... cmdArgs)

将 fastboot 命令作为系统命令执行的辅助方法。

预计在设备已处于快速启动模式时使用。

参数
`timeout`	`long` ：命令过期前的时间（以毫秒为单位）
`cmdArgs`	`String` : 要运行的 fastboot 命令和参数

退货
`CommandResult`	包含命令输出的 CommandResult

投掷
`DeviceNotAvailableException`

执行LongFastboot命令

public CommandResult executeLongFastbootCommand ( envVarMap, 
                String... cmdArgs)

辅助方法，它将长时间运行的 fastboot 命令作为具有系统环境变量的系统命令执行。

与executeFastbootCommand(String)相同，只是使用了更长的超时时间。

参数
`envVarMap`	: fastboot 命令运行的系统环境变量
`cmdArgs`	`String` : 要运行的 fastboot 命令和参数

退货
`CommandResult`	包含命令输出的 CommandResult

投掷
`DeviceNotAvailableException`

执行LongFastboot命令

public CommandResult executeLongFastbootCommand (String... cmdArgs)

将长时间运行的快速启动命令作为系统命令执行的辅助方法。

与executeFastbootCommand(String)相同，只是使用了更长的超时时间。

参数
`cmdArgs`	`String` : 要运行的 fastboot 命令和参数

退货
`CommandResult`	包含命令输出的 CommandResult

投掷
`DeviceNotAvailableException`

执行ShellCommand

public String executeShellCommand (String command)

执行 adb shell 命令并以String形式返回输出的辅助方法。

参数
`command`	`String` : 要运行的 adb shell 命令

退货
`String`	外壳输出

投掷
`DeviceNotAvailableException`

执行ShellCommand

public void executeShellCommand (String command, 
                IShellOutputReceiver receiver, 
                long maxTimeToOutputShellResponse, 
                TimeUnit timeUnit, 
                int retryAttempts)

执行 adb shell 命令，带有更多参数来控制命令行为。

参数
`command`	`String` : 要运行的 adb shell 命令
`receiver`	`IShellOutputReceiver` ：将 shell 输出定向到的`IShellOutputReceiver` 。
`maxTimeToOutputShellResponse`	`long` ：允许命令不输出任何响应的最长时间； `timeUnit`中指定的单位
`timeUnit`	`TimeUnit` : `maxTimeToOutputShellResponse`的单位
`retryAttempts`	`int` ：如果由于异常而失败，则重试命令的最大次数。如果`retryAttempts`未成功执行，将抛出 DeviceNotResponsiveException。

投掷
`DeviceNotAvailableException`

执行ShellCommand

public void executeShellCommand (String command, 
                IShellOutputReceiver receiver, 
                long maxTimeoutForCommand, 
                long maxTimeToOutputShellResponse, 
                TimeUnit timeUnit, 
                int retryAttempts)

执行 adb shell 命令，带有更多参数来控制命令行为。

参数
`command`	`String` : 要运行的 adb shell 命令
`receiver`	`IShellOutputReceiver` ：将 shell 输出定向到的`IShellOutputReceiver` 。
`maxTimeoutForCommand`	`long` ：命令完成的最大超时时间； `timeUnit`中指定的单位
`maxTimeToOutputShellResponse`	`long` ：允许命令不输出任何响应的最长时间； `timeUnit`中指定的单位
`timeUnit`	`TimeUnit` : `maxTimeToOutputShellResponse`的单位
`retryAttempts`	`int` ：如果由于异常而失败，则重试命令的最大次数。如果`retryAttempts`未成功执行，将抛出 DeviceNotResponsiveException。

投掷
`DeviceNotAvailableException`

执行ShellCommand

public void executeShellCommand (String command, 
                IShellOutputReceiver receiver)

执行给定的 adb shell 命令，如果命令失败则重试多次。

具有默认值的executeShellCommand(String, com.android.ddmlib.IShellOutputReceiver, long, TimeUnit, int)的更简单形式。

参数
`command`	`String` : 要运行的 adb shell 命令
`receiver`	`IShellOutputReceiver` ：将 shell 输出定向到的`IShellOutputReceiver` 。

投掷
`DeviceNotAvailableException`

执行ShellV2命令

public CommandResult executeShellV2Command (String cmd)

辅助方法，它执行 adb shell 命令并将结果作为CommandResult正确填充，其中包含命令状态输出、stdout 和 stderr。

参数
`cmd`	`String` ：应该运行的命令。

退货
`CommandResult`	`CommandResult`中的结果。

投掷
`DeviceNotAvailableException`

执行ShellV2命令

public CommandResult executeShellV2Command (String cmd, 
                OutputStream pipeToOutput)

辅助方法，它执行CommandResult shell 命令并将结果作为正确填充命令状态输出和标准错误的命令结果返回。 stdout 被定向到指定的流。

参数
`cmd`	`String` ：应该运行的命令。
`pipeToOutput`	`OutputStream` : `ERROR(/OutputStream)`将重定向 std 输出，或者为 null。

退货
`CommandResult`	`CommandResult`中的结果。

投掷
`DeviceNotAvailableException`

执行ShellV2命令

public CommandResult executeShellV2Command (String cmd, 
                File pipeAsInput)

辅助方法，它执行 adb shell 命令并将结果作为正确填充命令状态输出、stdout 和 stderr 的CommandResult返回。

参数
`cmd`	`String` ：应该运行的命令。
`pipeAsInput`	`File` : 一个`ERROR(/File)`将作为命令的输入通过管道传输，或者为 null。

退货
`CommandResult`	`CommandResult`中的结果。

投掷
`DeviceNotAvailableException`

执行ShellV2命令

public CommandResult executeShellV2Command (String cmd, 
                long maxTimeoutForCommand, 
                TimeUnit timeUnit, 
                int retryAttempts)

执行 adb shell 命令，带有更多参数来控制命令行为。

参数
`cmd`	`String` : 要运行的 adb shell 命令
`maxTimeoutForCommand`	`long` ：命令完成的最大超时时间； `timeUnit`中指定的单位
`timeUnit`	`TimeUnit` : `maxTimeToOutputShellResponse`的单位
`retryAttempts`	`int` ：如果由于异常而失败，则重试命令的最大次数。 DeviceNotResponsiveException will be thrown if `retryAttempts` are performed without success.

退货
`CommandResult`

投掷
`DeviceNotAvailableException`

executeShellV2Command

public CommandResult executeShellV2Command (String cmd, 
                long maxTimeoutForCommand, 
                TimeUnit timeUnit)

Executes a adb shell command, with more parameters to control command behavior.

参数
`cmd`	`String` : the adb shell command to run
`maxTimeoutForCommand`	`long` : the maximum timeout for the command to complete; unit as specified in `timeUnit`
`timeUnit`	`TimeUnit` : unit for `maxTimeToOutputShellResponse`

退货
`CommandResult`

投掷
`DeviceNotAvailableException`

executeShellV2Command

public CommandResult executeShellV2Command (String cmd, 
                File pipeAsInput, 
                OutputStream pipeToOutput, 
                long maxTimeoutForCommand, 
                TimeUnit timeUnit, 
                int retryAttempts)

Executes a adb shell command, with more parameters to control command behavior.

参数
`cmd`	`String` : the adb shell command to run
`pipeAsInput`	`File` : A `ERROR(/File)` that will be piped as input to the command, or null.
`pipeToOutput`	`OutputStream` : `ERROR(/OutputStream)` where the std output will be redirected, or null.
`maxTimeoutForCommand`	`long` : the maximum timeout for the command to complete; unit as specified in `timeUnit`
`timeUnit`	`TimeUnit` : unit for `maxTimeToOutputShellResponse`
`retryAttempts`	`int` : the maximum number of times to retry command if it fails due to a exception. DeviceNotResponsiveException will be thrown if `retryAttempts` are performed without success.

退货
`CommandResult`

投掷
`DeviceNotAvailableException`

executeShellV2Command

public CommandResult executeShellV2Command (String cmd, 
                File pipeAsInput, 
                OutputStream pipeToOutput, 
                OutputStream pipeToError, 
                long maxTimeoutForCommand, 
                TimeUnit timeUnit, 
                int retryAttempts)

Executes a adb shell command, with more parameters to control command behavior.

参数
`cmd`	`String` : the adb shell command to run
`pipeAsInput`	`File` : A `ERROR(/File)` that will be piped as input to the command, or null.
`pipeToOutput`	`OutputStream` : `ERROR(/OutputStream)` where the std output will be redirected, or null.
`pipeToError`	`OutputStream` : `ERROR(/OutputStream)` where the std error will be redirected, or null.
`maxTimeoutForCommand`	`long` : the maximum timeout for the command to complete; unit as specified in `timeUnit`
`timeUnit`	`TimeUnit` : unit for `maxTimeToOutputShellResponse`
`retryAttempts`	`int` : the maximum number of times to retry command if it fails due to a exception. DeviceNotResponsiveException will be thrown if `retryAttempts` are performed without success.

退货
`CommandResult`

投掷
`DeviceNotAvailableException`

fastbootWipePartition

public CommandResult fastbootWipePartition (String partition)

Helper method which wipes a partition for the device.

If getUseFastbootErase() is true , then fastboot erase will be used to wipe the partition. The device must then create a filesystem the next time the device boots. Otherwise, fastboot format is used which will create a new filesystem on the device.

Expected to be used when device is already in fastboot mode.

参数
`partition`	`String` : the partition to wipe

退货
`CommandResult`	the CommandResult containing output of command

投掷
`DeviceNotAvailableException`

getActiveApexes

public  getActiveApexes ()

Fetch the information about APEXes activated on the device.

退货
	`ERROR(/Set)` of `ApexInfo` currently activated on the device

投掷
`DeviceNotAvailableException`

getAllSettings

public  getAllSettings (String namespace)

Return key value pairs of requested namespace.

参数
`namespace`	`String` : must be one of {"system", "secure", "global"}

退货
	the map of key value pairs. Null if namespace is not supported.

投掷
`DeviceNotAvailableException`

getAllocationState

public DeviceAllocationState getAllocationState ()

Return the current allocation state of device

退货
`DeviceAllocationState`

getAndroidId

public String getAndroidId (int userId)

Find and return the android-id associated to a userId, null if not found.

参数
`userId`	`int`

退货
`String`

投掷
`DeviceNotAvailableException`

getAndroidIds

public  getAndroidIds ()

Create a Map of android ids found matching user ids. There is no insurance that each user id will found an android id associated in this function so some user ids may match null.

退货
	Map of android ids found matching user ids.

投掷
`DeviceNotAvailableException`

getApiLevel

public int getApiLevel ()

Get the device API Level. Defaults to UNKNOWN_API_LEVEL .

退货
`int`	an integer indicating the API Level of device

投掷
`DeviceNotAvailableException`

getAppPackageInfo

public PackageInfo getAppPackageInfo (String packageName)

Fetch information about a package installed on device.

参数
`packageName`	`String`

退货
`PackageInfo`	the `PackageInfo` or `null` if information could not be retrieved

投掷
`DeviceNotAvailableException`

getAppPackageInfos

public  getAppPackageInfos ()

Fetch information of packages installed on the device.

退货
	`ERROR(/List)` of `PackageInfo` s installed on the device.

投掷
`DeviceNotAvailableException`

getBasebandVersion

public String getBasebandVersion ()

Convenience method to get baseband (radio) version of this device. Getting the radio version is device specific, so it might not return the correct information for all devices. This method relies on the gsm.version.baseband propery to return the correct version information. This is not accurate for some CDMA devices and the version returned here might not match the version reported from fastboot and might not return the version for the CDMA radio. TL;DR this method only reports accurate version if the gsm.version.baseband property is the same as the version returned by fastboot getvar version-baseband .

退货
`String`	the `String` baseband version or `null` if it cannot be determined (device has no radio or version string cannot be read)

投掷
`DeviceNotAvailableException`

getBattery

public Integer getBattery ()

Returns the current battery level of a device or Null if battery level unavailable.

退货
`Integer`

getBooleanProperty

public boolean getBooleanProperty (String name, 
                boolean defaultValue)

Returns boolean value of the given property.

参数
`name`	`String` : the property name
`defaultValue`	`boolean` : default value to return if property is empty or doesn't exist.

退货
`boolean`	`true` if the property has value `"1"` , `"y"` , `"yes"` , `"on"` , or `"true"` , `false` if the property has value of `"0"` , `"n"` , `"no"` , `"off"` , `"false"` , or `defaultValue` otherwise.

投掷
`DeviceNotAvailableException`

getBootHistory

public  getBootHistory ()

Helper method collects the boot history map with boot time and boot reason.

退货
	Map of boot time (UTC time in second since Epoch) and boot reason

投掷
`DeviceNotAvailableException`

getBootHistorySince

public  getBootHistorySince (long utcEpochTime, 
                TimeUnit timeUnit)

Helper method collects the boot history map with boot time and boot reason since the given time since epoch from device and the time unit specified. The current device utcEpochTime in Millisecond can be obtained by method getDeviceDate() .

参数
`utcEpochTime`	`long` : the device time since Epoch.
`timeUnit`	`TimeUnit` : the time unit `TimeUnit` .

退货
	Map of boot time (UTC time in second since Epoch) and boot reason

投掷
`DeviceNotAvailableException`

getBootloaderVersion

public String getBootloaderVersion ()

Convenience method to get the bootloader version of this device.

Will attempt to retrieve bootloader version from the device's current state. (ie if device is in fastboot mode, it will attempt to retrieve version from fastboot)

退货
`String`	the `String` bootloader version or `null` if it cannot be found

投掷
`DeviceNotAvailableException`

getBugreport

public InputStreamSource getBugreport ()

Retrieves a bugreport from the device.

The implementation of this is guaranteed to continue to work on a device without an sdcard (or where the sdcard is not yet mounted).

退货
`InputStreamSource`	An `InputStreamSource` which will produce the bugreport contents on demand. In case of failure, the `InputStreamSource` will produce an empty `ERROR(/InputStream)` .

getBugreportz

public InputStreamSource getBugreportz ()

Retrieves a bugreportz from the device. Zip format bugreport contains the main bugreport and other log files that are useful for debugging.

Only supported for 'adb version' > 1.0.36

退货
`InputStreamSource`	a `InputStreamSource` of the zip file containing the bugreportz, return null in case of failure.

getBuildAlias

public String getBuildAlias ()

Retrieve the alias of the build that the device is currently running.

Build alias is usually a more readable string than build id (typically a number for Nexus builds). For example, final Android 4.2 release has build alias JDQ39, and build id 573038

退货
`String`	the build alias or fall back to build id if it could not be retrieved

投掷
`DeviceNotAvailableException`

getBuildFlavor

public String getBuildFlavor ()

Retrieve the build flavor for the device.

退货
`String`	the build flavor or null if it could not be retrieved

投掷
`DeviceNotAvailableException`

getBuildId

public String getBuildId ()

Retrieve the build the device is currently running.

退货
`String`	the build id or `IBuildInfo#UNKNOWN_BUILD_ID` if it could not be retrieved

投掷
`DeviceNotAvailableException`

getBuildSigningKeys

public String getBuildSigningKeys ()

Returns the key type used to sign the device image

Typically Android devices may be signed with test-keys (like in AOSP) or release-keys (controlled by individual device manufacturers)

退货
`String`	The signing key if found, null otherwise.

投掷
`DeviceNotAvailableException`

getCachedDeviceDescriptor

public DeviceDescriptor getCachedDeviceDescriptor ()

Returns a cached DeviceDescriptor if the device is allocated, otherwise returns the current DeviceDescriptor .

退货
`DeviceDescriptor`

getCachedDeviceDescriptor

public DeviceDescriptor getCachedDeviceDescriptor (boolean shortDescriptor)

Returns a cached DeviceDescriptor if the device is allocated, otherwise returns the current DeviceDescriptor .

参数
`shortDescriptor`	`boolean` : Whether or not to limit descriptor to bare minimum info

退货
`DeviceDescriptor`

getChildren

public String[] getChildren (String path)

Alternative to using IFileEntry that sometimes won't work because of permissions.

参数
`path`	`String` : is the path on the device where to do the search

退货
`String[]`	Array of string containing all the file in a path on the device.

投掷
`DeviceNotAvailableException`

getCurrentFoldableState

public DeviceFoldableState getCurrentFoldableState ()

Returns the current foldable state of the device or null if some issues occurred.

退货
`DeviceFoldableState`

投掷
`DeviceNotAvailableException`

getCurrentUser

public int getCurrentUser ()

Return the id of the current running user. In case of error, return -10000.

退货
`int`

投掷
`DeviceNotAvailableException`

getDeviceClass

public String getDeviceClass ()

Get the device class.

退货
`String`	the `String` device class.

getDeviceDate

public long getDeviceDate ()

Return the date of the device in millisecond since epoch.

退货
`long`	the date of the device in epoch format.

投掷
`DeviceNotAvailableException`

getDeviceDescriptor

public DeviceDescriptor getDeviceDescriptor ()

Return a DeviceDescriptor from the device information to get info on it without passing the actual device object.

退货
`DeviceDescriptor`

getDeviceDescriptor

public DeviceDescriptor getDeviceDescriptor (boolean shortDescriptor)

Return a DeviceDescriptor from the device information to get info on it without passing the actual device object.

参数
`shortDescriptor`	`boolean` : Whether or not to limit descriptor to bare minimum info

退货
`DeviceDescriptor`

getDeviceState

public TestDeviceState getDeviceState ()

Get the device's state.

退货
`TestDeviceState`

getDeviceTimeOffset

public long getDeviceTimeOffset (Date date)

Helper to get the time difference between the device and a given ERROR(/Date) . Use Epoch time internally.

参数
`date`	`Date`

退货
`long`	the difference in milliseconds

投掷
`DeviceNotAvailableException`

getEmulatorOutput

public InputStreamSource getEmulatorOutput ()

Get the stream of emulator stdout and stderr

退货
`InputStreamSource`	emulator output

getEmulatorProcess

public Process getEmulatorProcess ()

Return the Process corresponding to this emulator.

退货
`Process`	the `Process` or `null`

getExecuteShellCommandLog

public final File getExecuteShellCommandLog ()

The log that contains all the executeShellCommand(String) logs.

退货
`File`

getExternalStoreFreeSpace

public long getExternalStoreFreeSpace ()

Helper method to determine amount of free space on device external storage.

退货
`long`	the amount of free space in KB

投掷
`DeviceNotAvailableException`

getFastbootPath

public String getFastbootPath ()

Returns the path of the fastboot binary being used. Still requires isFastbootEnabled() to be true, to have fastboot functions enabled.

退货
`String`

getFastbootProductType

public String getFastbootProductType ()

Convenience method to get the product type of this device when its in fastboot mode.

This method should only be used if device should be in fastboot. Its a bit safer variant than the generic getProductType() method in this case, because ITestDevice will know to recover device into fastboot if device is in incorrect state or is unresponsive.

退货
`String`	the `String` product type name or `null` if it cannot be determined

投掷
`DeviceNotAvailableException`

getFastbootProductVariant

public String getFastbootProductVariant ()

Convenience method to get the product type of this device when its in fastboot mode.

退货
`String`	the `String` product type name or `null` if it cannot be determined

投掷
`DeviceNotAvailableException`

getFastbootSerialNumber

public String getFastbootSerialNumber ()

Returns the fastboot mode serial number.

退货
`String`

getFastbootVariable

public String getFastbootVariable (String variableName)

Retrieve the given fastboot variable value from the device.

参数
`variableName`	`String` : the variable name

退货
`String`	the property value or `null` if it does not exist

投掷
`DeviceNotAvailableException`

getFastbootVersion

public String getFastbootVersion ()

Returns the version string of the fastboot binary being used. Or null if something goes wrong.

退货
`String`

getFileEntry

public IFileEntry getFileEntry (String path)

Retrieve a reference to a remote file on device.

参数
`path`	`String` : the file path to retrieve. Can be an absolute path or path relative to '/'. (ie both "/system" and "system" syntax is supported)

退货
`IFileEntry`	the `IFileEntry` or `null` if file at given `path` cannot be found

投掷
`DeviceNotAvailableException`

getFileEntry

public IFileEntry getFileEntry (FileListingService.FileEntry entry)

Unofficial helper to get a FileEntry from a non-root path. FIXME: Refactor the FileEntry system to have it available from any path. (even non root).

参数
`entry`	`FileListingService.FileEntry` : a `FileEntry` not necessarily root as Ddmlib requires.

退货
`IFileEntry`	a `FileEntryWrapper` representing the FileEntry.

投掷
`DeviceNotAvailableException`

getFoldableStates

public  getFoldableStates ()

Returns the list of foldable states on the device. Can be obtained with "cmd device_state print-states".

退货

投掷
`DeviceNotAvailableException`

getIDevice

public IDevice getIDevice ()

Returns a reference to the associated ddmlib IDevice .

A new IDevice may be allocated by DDMS each time the device disconnects and reconnects from adb. Thus callers should not keep a reference to the IDevice , because that reference may become stale.

退货
`IDevice`	the `IDevice`

getInstalledPackageNames

public  getInstalledPackageNames ()

Fetch the application package names present on the device.

退货
	`ERROR(/Set)` of `String` package names currently installed on the device.

投掷
`DeviceNotAvailableException`

getIntProperty

public long getIntProperty (String name, 
                long defaultValue)

Returns integer value of the given property from the device.

参数
`name`	`String` : the property name
`defaultValue`	`long` : default value to return if property is empty or doesn't exist.

退货
`long`	the property value or `defaultValue` if the property is empty, doesn't exist, or doesn't have an integer value.

投掷
`DeviceNotAvailableException`

getIpAddress

public String getIpAddress ()

Gets the device's IP address.

退货
`String`	the device's IP address, or `null` if device has no IP address

投掷
`DeviceNotAvailableException`

getKeyguardState

public KeyguardControllerState getKeyguardState ()

Return an object to get the current state of the keyguard or null if not supported.

退货
`KeyguardControllerState`	a `KeyguardControllerState` containing a snapshot of the state of the keyguard and returns Null if the Keyguard query is not supported.

投掷
`DeviceNotAvailableException`

getLastExpectedRebootTimeMillis

public long getLastExpectedRebootTimeMillis ()

Returns the last time Tradefed APIs triggered a reboot in milliseconds since EPOCH as returned by System.currentTimeMillis() .

退货
`long`

getLaunchApiLevel

public int getLaunchApiLevel ()

Get the device's first launched API Level. Defaults to UNKNOWN_API_LEVEL .

退货
`int`	an integer indicating the first launched API Level of device

投掷
`DeviceNotAvailableException`

getLogcat

public InputStreamSource getLogcat ()

Grabs a snapshot stream of the logcat data.

Works in two modes:

If the logcat is currently being captured in the background, will return up to TestDeviceOptions.getMaxLogcatDataSize() bytes of the current contents of the background logcat capture

Otherwise, will return a static dump of the logcat data if device is currently responding

退货
`InputStreamSource`

getLogcat

public InputStreamSource getLogcat (int maxBytes)

Grabs a snapshot stream of the last maxBytes of captured logcat data.

Useful for cases when you want to capture frequent snapshots of the captured logcat data without incurring the potentially big disk space penalty of getting the entire getLogcat() snapshot.

参数
`maxBytes`	`int` : the maximum amount of data to return. Should be an amount that can comfortably fit in memory

退货
`InputStreamSource`

getLogcatDump

public InputStreamSource getLogcatDump ()

Get a dump of the current logcat for device. Unlike getLogcat() , this method will always return a static dump of the logcat.

Has the disadvantage that nothing will be returned if device is not reachable.

退货
`InputStreamSource`	a `InputStreamSource` of the logcat data. An empty stream is returned if fail to capture logcat data.

getLogcatSince

public InputStreamSource getLogcatSince (long date)

Grabs a snapshot stream of captured logcat data starting the date provided. The time on the device should be used getDeviceDate() .

参数
`date`	`long` : in millisecond since epoch format of when to start the snapshot until present. (can be be obtained using 'date +%s')

退货
`InputStreamSource`

getMacAddress

public String getMacAddress ()

Returns the MAC address of the device, null if it fails to query from the device.

退货
`String`

getMainlineModuleInfo

public  getMainlineModuleInfo ()

Get the information about the mainline modules installed on the device.

退货
	`ERROR(/Set)` of `String` mainline modules currently installed on the device.

投掷
`DeviceNotAvailableException`

getMaxNumberOfRunningUsersSupported

public int getMaxNumberOfRunningUsersSupported ()

Get the maximum number of supported simultaneously running users. Defaults to 0.

退货
`int`	an integer indicating the number of simultaneously running users

投掷
`DeviceNotAvailableException`

getMaxNumberOfUsersSupported

public int getMaxNumberOfUsersSupported ()

Get the maximum number of supported users. Defaults to 0.

退货
`int`	an integer indicating the number of supported users

投掷
`DeviceNotAvailableException`

getMonitor

public IDeviceStateMonitor getMonitor ()

Return the IDeviceStateMonitor associated with device.

退货
`IDeviceStateMonitor`

getMountPoint

public String getMountPoint (String mountName)

Returns a mount point.

Queries the device directly if the cached info in IDevice is not available.

TODO: move this behavior to IDevice#getMountPoint(String)

参数
`mountName`	`String` : the name of the mount point

退货
`String`	the mount point or `null`

getMountPointInfo

public ITestDevice.MountPointInfo getMountPointInfo (String mountpoint)

Returns a MountPointInfo corresponding to the specified mountpoint path, or null if that path has nothing mounted or otherwise does not appear in /proc/mounts as a mountpoint.

参数
`mountpoint`	`String`

退货
`ITestDevice.MountPointInfo`	A `ERROR(/List)` of `MountPointInfo` containing the information in "/proc/mounts"

投掷
`DeviceNotAvailableException`

getMountPointInfo

public  getMountPointInfo ()

Returns a parsed version of the information in /proc/mounts on the device

退货
	A `ERROR(/List)` of `MountPointInfo` containing the information in "/proc/mounts"

投掷
`DeviceNotAvailableException`

getOptions

public TestDeviceOptions getOptions ()

Fetch the test options for the device.

退货
`TestDeviceOptions`	`TestDeviceOptions` related to the device under test.

getPartitionFreeSpace

public long getPartitionFreeSpace (String partition)

Helper method to determine amount of free space on device partition.

参数
`partition`	`String`

退货
`long`	the amount of free space in KB

投掷
`DeviceNotAvailableException`

getPrimaryUserId

public Integer getPrimaryUserId ()

Returns the primary user id.

退货
`Integer`	the userId of the primary user if there is one, and null if there is no primary user.

投掷
`DeviceNotAvailableException`

getProcessByName

public ProcessInfo getProcessByName (String processName)

Helper method runs the "pidof" and "stat" command and returns ProcessInfo object with PID and process start time of the given process.

参数
`processName`	`String` : the proces name String.

退货
`ProcessInfo`	ProcessInfo of given processName

投掷
`DeviceNotAvailableException`

getProcessPid

public String getProcessPid (String process)

Returns the pid of the service or null if something went wrong.

参数
`process`	`String` : The proces name String.

退货
`String`

投掷
`DeviceNotAvailableException`

getProductType

public String getProductType ()

Convenience method to get the product type of this device.

This method will work if device is in either adb or fastboot mode.

退货
`String`	the `String` product type name. Will not be null

投掷
`DeviceNotAvailableException`

getProductVariant

public String getProductVariant ()

Convenience method to get the product variant of this device.

This method will work if device is in either adb or fastboot mode.

退货
`String`	the `String` product variant name or `null` if it cannot be determined

投掷
`DeviceNotAvailableException`

getProperty

public String getProperty (String name)

Retrieve the given property value from the device.

参数
`name`	`String` : the property name

退货
`String`	the property value or `null` if it does not exist

投掷
`DeviceNotAvailableException`

getRecoveryMode

public ITestDevice.RecoveryMode getRecoveryMode ()

Get the current recovery mode used for the device.

退货
`ITestDevice.RecoveryMode`	the current recovery mode used for the device.

getScreenshot

public InputStreamSource getScreenshot (String format)

Grabs a screenshot from the device. Recommended to use getScreenshot(format) instead with JPEG encoding for smaller size

参数
`format`	`String` : supported PNG, JPEG

退货
`InputStreamSource`	a `InputStreamSource` of the screenshot in format, or `null` if the screenshot was not successful.

投掷
`DeviceNotAvailableException`

getScreenshot

public InputStreamSource getScreenshot (long displayId)

Grabs a screenshot from the device given display id. Format is PNG.

TODO: extend the implementations above to support 'format' and 'rescale'

参数
`displayId`	`long` : the display id of the screen to get screenshot from.

退货
`InputStreamSource`	a `InputStreamSource` of the screenshot in format, or `null` if the screenshot was not successful.

投掷
`DeviceNotAvailableException`

getScreenshot

public InputStreamSource getScreenshot (String format, 
                boolean rescale)

Grabs a screenshot from the device. Recommended to use getScreenshot(String) instead with JPEG encoding for smaller size.

参数
`format`	`String` : supported PNG, JPEG
`rescale`	`boolean` : if screenshot should be rescaled to reduce the size of resulting image

退货
`InputStreamSource`	a `InputStreamSource` of the screenshot in format, or `null` if the screenshot was not successful.

投掷
`DeviceNotAvailableException`

getScreenshot

public InputStreamSource getScreenshot ()

Grabs a screenshot from the device.

退货
`InputStreamSource`	a `InputStreamSource` of the screenshot in png format, or `null` if the screenshot was not successful.

投掷
`DeviceNotAvailableException`

getSerialNumber

public String getSerialNumber ()

Convenience method to get serial number of this device.

退货
`String`	the `String` serial number

getSetting

public String getSetting (int userId, 
                String namespace, 
                String key)

Return the value of the requested setting. namespace must be one of: {"system", "secure", "global"}

参数
`userId`	`int`
`namespace`	`String`
`key`	`String`

退货
`String`	the value associated with the namespace:key of a user. Null if not found.

投掷
`DeviceNotAvailableException`

getSetting

public String getSetting (String namespace, 
                String key)

See getSetting(int, String, String) and performed on system user.

参数
`namespace`	`String`
`key`	`String`

退货
`String`

投掷
`DeviceNotAvailableException`

getSimOperator

public String getSimOperator ()

Return the SIM card operator or null if not available or if device is not available.

退货
`String`

getSimState

public String getSimState ()

Return the SIM card state or null if not available or device is not available.

退货
`String`

getTombstones

public  getTombstones ()

Fetch and return the list of tombstones from the devices. Requires root.

method is best-effort so if one tombstone fails to be pulled for any reason it will be missing from the list. Only a DeviceNotAvailableException will terminate the method early.

退货
	A list of tombstone files, empty if no tombstone.

投掷
`DeviceNotAvailableException`

getTotalMemory

public long getTotalMemory ()

Returns total physical memory size in bytes or -1 in case of internal error

退货
`long`

getUninstallablePackageNames

public  getUninstallablePackageNames ()

Fetch the application package names that can be uninstalled. This is presently defined as non-system packages, and updated system packages.

退货
	`ERROR(/Set)` of uninstallable `String` package names currently installed on the device.

投掷
`DeviceNotAvailableException`

getUseFastbootErase

public boolean getUseFastbootErase ()

Get whether to use fastboot erase or fastboot format to wipe a partition on the device.

退货
`boolean`	`true` if fastboot erase will be used or `false` if fastboot format will be used.

getUserFlags

public int getUserFlags (int userId)

Find and return the flags of a given user. Flags are defined in "android.content.pm.UserInfo" class in Android Open Source Project.

参数
`userId`	`int`

退货
`int`	the flags associated with the userId provided if found, -10000 in any other cases.

投掷
`DeviceNotAvailableException`

getUserInfos

public  getUserInfos ()

Gets the Map of useId to UserInfo on the device. Will throw DeviceRuntimeException if output from device is not as expected.

退货
	the list of UserInfo objects.

投掷
`DeviceNotAvailableException`

getUserSerialNumber

public int getUserSerialNumber (int userId)

Return the serial number associated to the userId if found, -10000 in any other cases.

参数
`userId`	`int`

退货
`int`

投掷
`DeviceNotAvailableException`

handleAllocationEvent

public IManagedTestDevice.DeviceEventResponse handleAllocationEvent (DeviceEvent event)

Process the given DeviceEvent . May transition device to new state. Will inform the IDeviceMonitor of any state transitions.

Process the DeviceEvent, which may or may not transition this device to a new allocation state.

参数
`event`	`DeviceEvent`

退货
`IManagedTestDevice.DeviceEventResponse`

hasFeature

public boolean hasFeature (String feature)

Check if a feature is available on a device.

参数
`feature`	`String` : which format should be "feature: " or " " directly.

退货
`boolean`	True if feature is found, false otherwise.

投掷
`DeviceNotAvailableException`

installPackage

public String installPackage (File packageFile, 
                boolean reinstall, 
                String... extraArgs)

Install an Android package on device.

参数
`packageFile`	`File` : the apk file to install
`reinstall`	`boolean` : `true` if a reinstall should be performed
`extraArgs`	`String` : optional extra arguments to pass. See 'adb shell pm -h' for available options.

退货
`String`	a `String` with an error code, or `null` if success.

投掷
`DeviceNotAvailableException`

installPackage

public String installPackage (File packageFile, 
                boolean reinstall, 
                boolean grantPermissions, 
                String... extraArgs)

Install an Android package on device.

Note: Only use cases that requires explicit control of granting runtime permission at install time should call this function.

参数
`packageFile`	`File` : the apk file to install
`reinstall`	`boolean` : `true` if a reinstall should be performed
`grantPermissions`	`boolean` : if all runtime permissions should be granted at install time
`extraArgs`	`String` : optional extra arguments to pass. See 'adb shell pm -h' for available options.

退货
`String`	a `String` with an error code, or `null` if success.

投掷
`DeviceNotAvailableException`

installPackageForUser

public String installPackageForUser (File packageFile, 
                boolean reinstall, 
                int userId, 
                String... extraArgs)

Install an Android package on device for a given user.

参数
`packageFile`	`File` : the apk file to install
`reinstall`	`boolean` : `true` if a reinstall should be performed
`userId`	`int` : the integer user id to install for.
`extraArgs`	`String` : optional extra arguments to pass. See 'adb shell pm -h' for available options.

退货
`String`	a `String` with an error code, or `null` if success.

投掷
`DeviceNotAvailableException`

installPackageForUser

public String installPackageForUser (File packageFile, 
                boolean reinstall, 
                boolean grantPermissions, 
                int userId, 
                String... extraArgs)

Install an Android package on device for a given user.

Note: Only use cases that requires explicit control of granting runtime permission at install time should call this function.

参数
`packageFile`	`File` : the apk file to install
`reinstall`	`boolean` : `true` if a reinstall should be performed
`grantPermissions`	`boolean` : if all runtime permissions should be granted at install time
`userId`	`int` : the integer user id to install for.
`extraArgs`	`String` : optional extra arguments to pass. See 'adb shell pm -h' for available options.

退货
`String`	a `String` with an error code, or `null` if success.

投掷
`DeviceNotAvailableException`

isAdbRoot

public boolean isAdbRoot ()

退货
`boolean`

投掷
`DeviceNotAvailableException`

isAdbTcp

public boolean isAdbTcp ()

退货
`boolean`

isAppEnumerationSupported

public boolean isAppEnumerationSupported ()

Check whether platform on device supports app enumeration

退货
`boolean`	True if app enumeration is supported, false otherwise

投掷
`DeviceNotAvailableException`

isDeviceEncrypted

public boolean isDeviceEncrypted ()

Returns if the device is encrypted.

退货
`boolean`	`true` if the device is encrypted.

投掷
`DeviceNotAvailableException`

isDirectory

public boolean isDirectory (String path)

Return True if the path on the device is a directory, false otherwise.

参数
`path`	`String`

退货
`boolean`

投掷
`DeviceNotAvailableException`

isEnableAdbRoot

public boolean isEnableAdbRoot ()

退货
`boolean`	`true` if adb root should be enabled on device

isEncryptionSupported

public boolean isEncryptionSupported ()

Returns if encryption is supported on the device.

退货
`boolean`	`true` if the device supports encryption.

投掷
`DeviceNotAvailableException`

isExecutable

public boolean isExecutable (String fullPath)

Returns True if the file path on the device is an executable file, false otherwise.

参数
`fullPath`	`String`

退货
`boolean`

投掷
`DeviceNotAvailableException`

isFastbootEnabled

public boolean isFastbootEnabled ()

Return if fastboot is available for the device.

退货
`boolean`

isHeadless

public boolean isHeadless ()

Return true if the device is headless (no screen), false otherwise.

退货
`boolean`

投掷
`DeviceNotAvailableException`

isMultiUserSupported

public boolean isMultiUserSupported ()

Determines if multi user is supported.

退货
`boolean`	true if multi user is supported, false otherwise

投掷
`DeviceNotAvailableException`

isPackageInstalled

public boolean isPackageInstalled (String packageName, 
                String userId)

Query the device for a given package name and given user id to check if it's currently installed or not for that user.

参数
`packageName`	`String` : the package we are checking if it's installed.
`userId`	`String` : The user id we are checking the package is installed for. If null, primary user zero will be used.

退货
`boolean`	True if the package is reported as installed. False otherwise.

投掷
`DeviceNotAvailableException`

isPackageInstalled

public boolean isPackageInstalled (String packageName)

Query the device for a given package name to check if it's currently installed or not.

参数
`packageName`	`String`

退货
`boolean`	True if the package is reported as installed. False otherwise.

投掷
`DeviceNotAvailableException`

isRuntimePermissionSupported

public boolean isRuntimePermissionSupported ()

Check whether platform on device supports runtime permission granting

退货
`boolean`	True if runtime permission are supported, false otherwise.

投掷
`DeviceNotAvailableException`

isStateBootloaderOrFastbootd

public boolean isStateBootloaderOrFastbootd ()

Returns true if device is in TestDeviceState#FASTBOOT or TestDeviceState.FASTBOOTD .

退货
`boolean`

isUserRunning

public boolean isUserRunning (int userId)

Check if a given user is running.

参数
`userId`	`int`

退货
`boolean`	True if the user is running, false in every other cases.

投掷
`DeviceNotAvailableException`

isUserSecondary

public boolean isUserSecondary (int userId)

Return whether the specified user is a secondary user according to it's flags.

参数
`userId`	`int`

退货
`boolean`	true if the user is secondary, false otherwise.

投掷
`DeviceNotAvailableException`

isWifiEnabled

public boolean isWifiEnabled ()

Test if wifi is enabled.

Checks if wifi is enabled on device. Useful for asserting wifi status before tests that shouldn't run with wifi, eg mobile data tests.

退货
`boolean`	`true` if wifi is enabled. `false` if disabled

投掷
`DeviceNotAvailableException`

listDisplayIds

public  listDisplayIds ()

Collect the list of available displays id on the device as reported by "dumpsys SurfaceFlinger".

退货
	The list of displays. Default always returns the default display 0.

投掷
`DeviceNotAvailableException`

listUsers

public  listUsers ()

Gets the list of users on the device. Will throw DeviceRuntimeException if output from device is not as expected.

退货
	the list of user ids.

投掷
`DeviceNotAvailableException`

logAnrs

public boolean logAnrs (ITestLogger logger)

Collects and log ANRs from the device.

参数
`logger`	`ITestLogger` : an `ITestLogger` to log the ANRs.

退货
`boolean`	True if the logging was successful, false otherwise.

投掷
`DeviceNotAvailableException`

logBugreport

public boolean logBugreport (String dataName, 
                ITestLogger listener)

Helper method to take a bugreport and log it to the reporters.

参数
`dataName`	`String` : name under which the bugreport will be reported.
`listener`	`ITestLogger` : an `ITestLogger` to log the bugreport.

退货
`boolean`	True if the logging was successful, false otherwise.

logOnDevice

public void logOnDevice (String tag, 
                Log.LogLevel level, 
                String format, 
                Object... args)

Log a message in the logcat of the device. This is a safe call that will not throw even if the logging fails.

参数
`tag`	`String` : The tag under which we log our message in the logcat.
`level`	`Log.LogLevel` : The debug level of the message in the logcat.
`format`	`String` : The message format.
`args`	`Object` : the args to be replaced via String.format().

nonBlockingReboot

public void nonBlockingReboot ()

Issues a command to reboot device and returns on command complete and when device is no longer visible to adb.

投掷
`DeviceNotAvailableException`

postAdbRootAction

public void postAdbRootAction ()

Override if the device needs some specific actions to be taken after adb root and before the device is back online. Default implementation doesn't include any addition actions. adb root is not guaranteed to be enabled at this stage.

投掷
`DeviceNotAvailableException`

postAdbUnrootAction

public void postAdbUnrootAction ()

Override if the device needs some specific actions to be taken after adb unroot and before the device is back online. Default implementation doesn't include any additional actions. adb root is not guaranteed to be disabled at this stage.

投掷
`DeviceNotAvailableException`

postBootSetup

public void postBootSetup ()

Perform instructions to configure device for testing that after every boot.

Should be called after device is fully booted/available

In normal circumstances this method doesn't need to be called explicitly, as implementations should perform these steps automatically when performing a reboot.

Where it may need to be called is when device reboots due to other events (eg when a fastboot update command has completed)

投掷
`DeviceNotAvailableException`

postInvocationTearDown

public void postInvocationTearDown (Throwable exception)

Extra steps for device specific required clean up that will be executed after the invocation is done.

参数
`exception`	`Throwable` : if any, the final exception raised by the invocation failure.

preInvocationSetup

public void preInvocationSetup (IBuildInfo info, 
                MultiMap<String, String> attributes)

Extra steps for device specific required setup that will be executed on the device prior to the invocation flow.

参数
`info`	`IBuildInfo` : The `IBuildInfo` of the device.
`attributes`	`MultiMap` : The attributes stored in the invocation context

投掷
`DeviceNotAvailableException`
`TargetSetupError`

pullDir

public boolean pullDir (String deviceFilePath, 
                File localDir)

Recursively pull directory contents from device.

参数
`deviceFilePath`	`String` : the absolute file path of the remote source
`localDir`	`File` : the local directory to pull files into

退货
`boolean`	`true` if file was pulled successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pullFile

public boolean pullFile (String remoteFilePath, 
                File localFile)

Retrieves a file off device.

参数
`remoteFilePath`	`String` : the absolute path to file on device.
`localFile`	`File` : the local file to store contents in. If non-empty, contents will be replaced.

退货
`boolean`	`true` if file was retrieved successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pullFile

public File pullFile (String remoteFilePath, 
                int userId)

Retrieves a file off device, stores it in a local temporary ERROR(/File) , and returns that File .

参数
`remoteFilePath`	`String` : the absolute path to file on device.
`userId`	`int` : The user id to pull from

退货
`File`	A `ERROR(/File)` containing the contents of the device file, or `null` if the copy failed for any reason (including problems with the host filesystem)

投掷
`DeviceNotAvailableException`

pullFile

public File pullFile (String remoteFilePath)

Retrieves a file off device, stores it in a local temporary ERROR(/File) , and returns that File .

参数
`remoteFilePath`	`String` : the absolute path to file on device.

退货
`File`	A `ERROR(/File)` containing the contents of the device file, or `null` if the copy failed for any reason (including problems with the host filesystem)

投掷
`DeviceNotAvailableException`

pullFile

public boolean pullFile (String remoteFilePath, 
                File localFile, 
                int userId)

Retrieves a file off device.

参数
`remoteFilePath`	`String` : the absolute path to file on device.
`localFile`	`File` : the local file to store contents in. If non-empty, contents will be replaced.
`userId`	`int` : The user id to pull from

退货
`boolean`	`true` if file was retrieved successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pullFileContents

public String pullFileContents (String remoteFilePath)

Retrieves a file off device, and returns the contents.

参数
`remoteFilePath`	`String` : the absolute path to file on device.

退货
`String`	A `String` containing the contents of the device file, or `null` if the copy failed for any reason (including problems with the host filesystem)

投掷
`DeviceNotAvailableException`

pullFileFromExternal

public File pullFileFromExternal (String remoteFilePath)

A convenience method to retrieve a file from the device's external storage, stores it in a local temporary ERROR(/File) , and return a reference to that File .

参数
`remoteFilePath`	`String` : the path to file on device, relative to the device's external storage mountpoint

退货
`File`	A `ERROR(/File)` containing the contents of the device file, or `null` if the copy failed for any reason (including problems with the host filesystem)

投掷
`DeviceNotAvailableException`

pushDir

public boolean pushDir (File localFileDir, 
                String deviceFilePath, 
                 excludedDirectories)

Recursively push directory contents to device while excluding some directories that are filtered.

参数
`localFileDir`	`File` : the local directory to push
`deviceFilePath`	`String` : the absolute file path of the remote destination
`excludedDirectories`	: Set of excluded directories names that shouldn't be pushed.

退货
`boolean`	`true` if file was pushed successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pushDir

public boolean pushDir (File localFileDir, 
                String deviceFilePath)

Recursively push directory contents to device.

参数
`localFileDir`	`File` : the local directory to push
`deviceFilePath`	`String` : the absolute file path of the remote destination

退货
`boolean`	`true` if file was pushed successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pushFile

public boolean pushFile (File localFile, 
                String remoteFilePath, 
                boolean evaluateContentProviderNeeded)

Variant of pushFile(File, String) which can optionally consider evaluating the need for the content provider.

参数
`localFile`	`File` : the local file to push
`remoteFilePath`	`String` : the remote destination absolute file path
`evaluateContentProviderNeeded`	`boolean` : whether to check if we need the content provider

退货
`boolean`	`true` if file was pushed successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pushFile

public boolean pushFile (File localFile, 
                String remoteFilePath)

Push a file to device. By default using a content provider.

参数
`localFile`	`File` : the local file to push
`remoteFilePath`	`String` : the remote destination absolute file path

退货
`boolean`	`true` if file was pushed successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

pushString

public boolean pushString (String contents, 
                String remoteFilePath)

Push file created from a string to device

参数
`contents`	`String` : the contents of the file to push
`remoteFilePath`	`String` : the remote destination absolute file path

退货
`boolean`	`true` if string was pushed successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

reboot

public void reboot (String reason)

Reboots the device into adb mode with given reason to be persisted across reboot.

Blocks until device becomes available.

Last reboot reason can be obtained by querying sys.boot.reason propety.

参数
`reason`	`String` : a reason for this reboot, or `null` if no reason is specified.

投掷
`DeviceNotAvailableException`

reboot

public void reboot ()

Reboots the device into adb mode.

Blocks until device becomes available.

投掷
`DeviceNotAvailableException`

rebootIntoBootloader

public void rebootIntoBootloader ()

Reboots the device into bootloader mode.

Blocks until device is in bootloader mode.

投掷
`DeviceNotAvailableException`

rebootIntoFastbootd

public void rebootIntoFastbootd ()

Reboots the device into fastbootd mode.

Blocks until device is in fastbootd mode.

投掷
`DeviceNotAvailableException`

rebootIntoRecovery

public void rebootIntoRecovery ()

Reboots the device into adb recovery mode.

Blocks until device enters recovery

投掷
`DeviceNotAvailableException`

rebootIntoSideload

public void rebootIntoSideload ()

Reboots the device into adb sideload mode (note that this is a special mode under recovery)

Blocks until device enters sideload mode

投掷
`DeviceNotAvailableException`

rebootIntoSideload

public void rebootIntoSideload (boolean autoReboot)

Reboots the device into adb sideload mode (note that this is a special mode under recovery)

Blocks until device enters sideload mode

参数
`autoReboot`	`boolean` : whether to automatically reboot the device after sideload

投掷
`DeviceNotAvailableException`

rebootUntilOnline

public void rebootUntilOnline ()

An alternate to reboot() that only blocks until device is online ie visible to adb.

投掷
`DeviceNotAvailableException`

rebootUntilOnline

public void rebootUntilOnline (String reason)

An alternate to reboot() that only blocks until device is online ie visible to adb.

参数
`reason`	`String` : a reason for this reboot, or `null` if no reason is specified.

投掷
`DeviceNotAvailableException`

rebootUserspace

public void rebootUserspace ()

Reboots only userspace part of device.

Blocks until device becomes available.

WARNING. Userspace reboot is currently under active development, use it on your own risk.

投掷
`DeviceNotAvailableException`

rebootUserspaceUntilOnline

public void rebootUserspaceUntilOnline ()

An alternate to rebootUserspace() ()} that only blocks until device is online ie visible to adb.

投掷
`DeviceNotAvailableException`

recoverDevice

public boolean recoverDevice ()

Attempts to recover device communication.

退货
`boolean`	True if recovery attempted and successful, returns False if recovery was skipped

投掷
`DeviceNotAvailableException`	if device is no longer available

remountSystemWritable

public void remountSystemWritable ()

Make the system partition on the device writable. May reboot the device.

投掷
`DeviceNotAvailableException`

remountVendorWritable

public void remountVendorWritable ()

Make the vendor partition on the device writable. May reboot the device.

投掷
`DeviceNotAvailableException`

removeAdmin

public boolean removeAdmin (String componentName, 
                int userId)

Remove given device admin in given user and return true if it is successful, false otherwise.

参数
`componentName`	`String` : of device admin to be removed.
`userId`	`int` : of user that the device admin lives in.

退货
`boolean`	True if it is successful, false otherwise.

投掷
`DeviceNotAvailableException`

removeOwners

public void removeOwners ()

Remove all existing device profile owners with the best effort.

投掷
`DeviceNotAvailableException`

removeUser

public boolean removeUser (int userId)

Remove a given user from the device.

参数
`userId`	`int` : of the user to remove

退货
`boolean`	true if we were successful in removing the user, false otherwise.

投掷
`DeviceNotAvailableException`

resetContentProviderSetup

public void resetContentProviderSetup ()

Reset the flag for content provider setup in order to trigger it again.

runInstrumentationTests

public boolean runInstrumentationTests (IRemoteAndroidTestRunner runner, 
                ITestLifeCycleReceiver... listeners)

Convenience method for performing ERROR(/#runInstrumentationTests(com.android.ddmlib.testrunner.IRemoteAndroidTestRunner,Collection)) with one or more listeners passed as parameters.

参数
`runner`	`IRemoteAndroidTestRunner` : the `IRemoteAndroidTestRunner` which runs the tests
`listeners`	`ITestLifeCycleReceiver` : the test result listener(s)

退货
`boolean`	`true` if test command completed. `false` if it failed to complete, but recovery succeeded

投掷
`DeviceNotAvailableException`

runInstrumentationTests

public boolean runInstrumentationTests (IRemoteAndroidTestRunner runner, 
                 listeners)

Runs instrumentation tests, and provides device recovery.

If connection with device is lost before test run completes, and recovery succeeds, all listeners will be informed of testRunFailed and "false" will be returned. The test command will not be rerun. It is left to callers to retry if necessary.

If connection with device is lost before test run completes, and recovery fails, all listeners will be informed of testRunFailed and DeviceNotAvailableException will be thrown.

参数
`runner`	`IRemoteAndroidTestRunner` : the `IRemoteAndroidTestRunner` which runs the tests
`listeners`	: the test result listeners

退货
`boolean`	`true` if test command completed. `false` if it failed to complete due to device communication exception, but recovery succeeded

投掷
`DeviceNotAvailableException`

runInstrumentationTestsAsUser

public boolean runInstrumentationTestsAsUser (IRemoteAndroidTestRunner runner, 
                int userId, 
                ITestLifeCycleReceiver... listeners)

Same as ITestDevice#runInstrumentationTests(IRemoteAndroidTestRunner, ITestLifeCycleReceiver...) but runs the test for a given user.

参数
`runner`	`IRemoteAndroidTestRunner`
`userId`	`int`
`listeners`	`ITestLifeCycleReceiver`

退货
`boolean`

投掷
`DeviceNotAvailableException`

runInstrumentationTestsAsUser

public boolean runInstrumentationTestsAsUser (IRemoteAndroidTestRunner runner, 
                int userId, 
                 listeners)

Same as ERROR(ITestDevice#runInstrumentationTests(IRemoteAndroidTestRunner, Collection)/com.android.tradefed.device.ITestDevice#runInstrumentationTests(com.android.ddmlib.testrunner.IRemoteAndroidTestRunner,Collection) ITestDevice#runInstrumentationTests(IRemoteAndroidTestRunner, Collection)) but runs the test for the given user.

参数
`runner`	`IRemoteAndroidTestRunner`
`userId`	`int`
`listeners`

退货
`boolean`

投掷
`DeviceNotAvailableException`

setConfiguration

public void setConfiguration (IConfiguration configuration)

Injects the IConfiguration in use.

参数
`configuration`	`IConfiguration`

setDate

public void setDate (Date date)

Sets the date on device

Note: setting date on device requires root

参数
`date`	`Date` : specify a particular date; will use host date if `null`

投掷
`DeviceNotAvailableException`

setDeviceOwner

public boolean setDeviceOwner (String componentName, 
                int userId)

Set a device admin component as device owner in given user.

参数
`componentName`	`String` : of device admin to be device owner.
`userId`	`int` : of the user that the device owner lives in.

退货
`boolean`	True if it is successful, false otherwise.

投掷
`DeviceNotAvailableException`

setDeviceState

public void setDeviceState (TestDeviceState deviceState)

Update the device's state.

参数
`deviceState`	`TestDeviceState` : the `TestDeviceState`

setEmulatorOutputStream

public void setEmulatorOutputStream (SizeLimitedOutputStream output)

For emulator set SizeLimitedOutputStream to log output

参数
`output`	`SizeLimitedOutputStream` : to log the output

setEmulatorProcess

public void setEmulatorProcess (Process p)

Sets the Process , when this device is an emulator.

参数
`p`	`Process`

setFastbootEnabled

public void setFastbootEnabled (boolean fastbootEnabled)

Set the fastboot option for the device. Should be set when device is first allocated.

参数
`fastbootEnabled`	`boolean` : whether fastboot is available for the device or not

setFastbootPath

public void setFastbootPath (String fastbootPath)

Sets the path to the fastboot binary that should be used. Still requires isFastbootEnabled() to be true, to have fastboot functions enabled.

参数
`fastbootPath`	`String`

setIDevice

public void setIDevice (IDevice newDevice)

Update the IDevice associated with this ITestDevice.

The new IDevice must refer the same physical device as the current reference. This method will be called if DDMS has allocated a new IDevice

参数
`newDevice`	`IDevice` : the `IDevice`

setOptions

public void setOptions (TestDeviceOptions options)

Set the TestDeviceOptions for the device

参数
`options`	`TestDeviceOptions`

setProperty

public boolean setProperty (String propKey, 
                String propValue)

Sets the given property value on the device. Requires adb root is true.

参数
`propKey`	`String` : The key targeted to be set.
`propValue`	`String` : The property value to be set.

退货
`boolean`	returns `True` if the setprop command was successful, False otherwise.

投掷
`DeviceNotAvailableException`

setRecovery

public void setRecovery (IDeviceRecovery recovery)

Set the IDeviceRecovery to use for this device. Should be set when device is first allocated.

参数
`recovery`	`IDeviceRecovery` : the `IDeviceRecovery`

setRecoveryMode

public void setRecoveryMode (ITestDevice.RecoveryMode mode)

Set the current recovery mode to use for the device.

Used to control what recovery method to use when a device communication problem is encountered. Its recommended to only use this method sparingly when needed (for example, when framework is down, etc

参数
`mode`	`ITestDevice.RecoveryMode` : whether 'recover till online only' mode should be on or not.

setSetting

public void setSetting (String namespace, 
                String key, 
                String value)

See setSetting(int, String, String, String) and performed on system user.

参数
`namespace`	`String`
`key`	`String`
`value`	`String`

投掷
`DeviceNotAvailableException`

setSetting

public void setSetting (int userId, 
                String namespace, 
                String key, 
                String value)

Add a setting value to the namespace of a given user. Some settings will only be available after a reboot. namespace must be one of: {"system", "secure", "global"}

参数
`userId`	`int`
`namespace`	`String`
`key`	`String`
`value`	`String`

投掷
`DeviceNotAvailableException`

setUseFastbootErase

public void setUseFastbootErase (boolean useFastbootErase)

Set whether to use fastboot erase or fastboot format to wipe a partition on the device.

参数
`useFastbootErase`	`boolean` : `true` if fastboot erase should be used or `false` if fastboot format should be used.

startLogcat

public void startLogcat ()

Start capturing logcat output from device in the background.

Will have no effect if logcat output is already being captured. Data can be later retrieved via getLogcat.

When the device is no longer in use, stopLogcat() must be called.

startLogcat() and stopLogcat() do not normally need to be called when within a TF invocation context, as the TF framework will start and stop logcat.

startUser

public boolean startUser (int userId)

Starts a given user in the background if it is currently stopped. If the user is already running in the background, this method is a NOOP.

参数
`userId`	`int` : of the user to start in the background

退货
`boolean`	true if the user was successfully started in the background.

投掷
`DeviceNotAvailableException`

startUser

public boolean startUser (int userId, 
                boolean waitFlag)

Starts a given user in the background if it is currently stopped. If the user is already running in the background, this method is a NOOP. Possible to provide extra flag to wait for the operation to have effect.

参数
`userId`	`int` : of the user to start in the background
`waitFlag`	`boolean` : will make the command wait until user is started and unlocked.

退货
`boolean`	true if the user was successfully started in the background.

投掷
`DeviceNotAvailableException`

stopEmulatorOutput

public void stopEmulatorOutput ()

Close and delete the emulator output.

stopLogcat

public void stopLogcat ()

Stop capturing logcat output from device, and discard currently saved logcat data.

Will have no effect if logcat output is not being captured.

stopUser

public boolean stopUser (int userId)

Stops a given user. If the user is already stopped, this method is a NOOP. Cannot stop current and system user.

参数
`userId`	`int` : of the user to stop.

退货
`boolean`	true if the user was successfully stopped.

投掷
`DeviceNotAvailableException`

stopUser

public boolean stopUser (int userId, 
                boolean waitFlag, 
                boolean forceFlag)

Stop a given user. Possible to provide extra flags to wait for the operation to have effect, and force terminate the user. Cannot stop current and system user.

参数
`userId`	`int` : of the user to stop.
`waitFlag`	`boolean` : will make the command wait until user is stopped.
`forceFlag`	`boolean` : will force stop the user.

退货
`boolean`	true if the user was successfully stopped.

投掷
`DeviceNotAvailableException`

switchToAdbTcp

public String switchToAdbTcp ()

Switch device to adb-over-tcp mode.

退货
`String`	the tcp serial number or `null` if device could not be switched

投掷
`DeviceNotAvailableException`

switchToAdbUsb

public boolean switchToAdbUsb ()

Switch device to adb over usb mode.

退货
`boolean`	`true` if switch was successful, `false` otherwise.

投掷
`DeviceNotAvailableException`

switchUser

public boolean switchUser (int userId)

Switch to another userId with a default timeout. switchUser(int, long) .

参数
`userId`	`int`

退货
`boolean`	True if the new userId matches the userId provider. False otherwise.

投掷
`DeviceNotAvailableException`

switchUser

public boolean switchUser (int userId, 
                long timeout)

Switch to another userId with the provided timeout as deadline. Attempt to disable keyguard after user change is successful.

参数
`userId`	`int`
`timeout`	`long` : to wait before returning false for switch-user failed.

退货
`boolean`	True if the new userId matches the userId provider. False otherwise.

投掷
`DeviceNotAvailableException`

syncFiles

public boolean syncFiles (File localFileDir, 
                String deviceFilePath)

Incrementally syncs the contents of a local file directory to device.

Decides which files to push by comparing timestamps of local files with their remote equivalents. Only 'newer' or non-existent files will be pushed to device. Thus overhead should be relatively small if file set on device is already up to date.

Hidden files (with names starting with ".") will be ignored.

Example usage: syncFiles("/tmp/files", "/sdcard") will created a /sdcard/files directory if it doesn't already exist, and recursively push the /tmp/files contents to /sdcard/files.

参数
`localFileDir`	`File` : the local file directory containing files to recursively push.
`deviceFilePath`	`String` : the remote destination absolute file path root. All directories in thos file path must be readable. ie pushing to /data/local/tmp when adb is not root will fail

退货
`boolean`	`true` if files were synced successfully. `false` otherwise.

投掷
`DeviceNotAvailableException`

takeBugreport

public Bugreport takeBugreport ()

Take a bugreport and returns it inside a Bugreport object to handle it. Return null in case of issue.

File referenced in the Bugreport object need to be cleaned via Bugreport#close() .

退货
`Bugreport`

uninstallPackage

public String uninstallPackage (String packageName)

Uninstall an Android package from device.

参数
`packageName`	`String` : the Android package to uninstall

退货
`String`	a `String` with an error code, or `null` if success.

投掷
`DeviceNotAvailableException`

uninstallPackageForUser

public String uninstallPackageForUser (String packageName, 
                int userId)

Uninstall an Android package from device for a given user.

参数
`packageName`	`String` : the Android package to uninstall
`userId`	`int` : the integer user id to uninstall for.

退货
`String`	a `String` with an error code, or `null` if success.

投掷
`DeviceNotAvailableException`

unlockDevice

public boolean unlockDevice ()

Unlocks the device if the device is in an encrypted state.

This method may restart the framework but will not call postBootSetup() . Therefore, the device might not be fully ready to be tested when this method returns.

退货
`boolean`	`true` if successful or if the device is unencrypted.

投掷
`DeviceNotAvailableException`

waitForBootComplete

public boolean waitForBootComplete (long timeOut)

Blocks until the device's boot complete flag is set.

参数
`timeOut`	`long` : time in msecs to wait for the flag to be set

退货
`boolean`	true if device's boot complete flag is set within the timeout

投掷
`DeviceNotAvailableException`

waitForDeviceAvailable

public boolean waitForDeviceAvailable ()

Waits for the device to be responsive and available for testing. Uses default timeout.

退货
`boolean`	True if device is available, False if recovery is disabled and unavailable.

投掷
`DeviceNotAvailableException`

waitForDeviceAvailable

public boolean waitForDeviceAvailable (long waitTime)

Waits for the device to be responsive and available for testing.

参数
`waitTime`	`long` : the time in ms to wait

退货
`boolean`	True if device is available, False if recovery is disabled and unavailable.

投掷
`DeviceNotAvailableException`

waitForDeviceBootloader

public void waitForDeviceBootloader ()

Blocks until device is visible via fastboot. Use default timeout.

投掷
`DeviceNotAvailableException`

waitForDeviceInRecovery

public boolean waitForDeviceInRecovery (long waitTime)

Blocks for the device to be in the 'adb recovery' state (note this is distinct from IDeviceRecovery ).

参数
`waitTime`	`long` : the time in ms to wait

退货
`boolean`	`true` if device boots into recovery before time expires. `false` otherwise

waitForDeviceInSideload

public boolean waitForDeviceInSideload (long waitTime)

Blocks for the device to be in the 'adb sideload' state

参数
`waitTime`	`long` : the time in ms to wait

退货
`boolean`	`true` if device boots into sideload before time expires. `false` otherwise

waitForDeviceNotAvailable

public boolean waitForDeviceNotAvailable (long waitTime)

Blocks for the device to be not available ie missing from adb

参数
`waitTime`	`long` : the time in ms to wait

退货
`boolean`	`true` if device becomes not available before time expires. `false` otherwise

waitForDeviceOnline

public void waitForDeviceOnline ()

Blocks until device is visible via adb. Uses default timeout

Note the device may not necessarily be responsive to commands on completion. Use waitForDeviceAvailable() instead.

投掷
`DeviceNotAvailableException`

waitForDeviceOnline

public void waitForDeviceOnline (long waitTime)

Blocks until device is visible via adb.

Note the device may not necessarily be responsive to commands on completion. Use waitForDeviceAvailable() instead.

参数
`waitTime`	`long` : the time in ms to wait

投掷
`DeviceNotAvailableException`

waitForDeviceShell

public boolean waitForDeviceShell (long waitTime)

Waits for device to be responsive to a basic adb shell command.

参数
`waitTime`	`long` : the time in ms to wait

退货
`boolean`	`true` if device becomes responsive before `waitTime` elapses.

受保护的方法

checkApiLevelAgainst

protected void checkApiLevelAgainst (String feature, 
                int strictMinLevel)

参数
`feature`	`String`
`strictMinLevel`	`int`

createRebootDeviceAction

protected NativeDevice.RebootDeviceAction createRebootDeviceAction (NativeDevice.RebootMode rebootMode, 
                String reason)

Create a RebootDeviceAction to be used when performing a reboot action.

参数
`rebootMode`	`NativeDevice.RebootMode` : a mode of this reboot.
`reason`	`String` : for this reboot.

退货
`NativeDevice.RebootDeviceAction`	the created `RebootDeviceAction` .

doAdbReboot

protected void doAdbReboot (NativeDevice.RebootMode rebootMode, 
                String reason)

Perform a adb reboot.

参数
`rebootMode`	`NativeDevice.RebootMode` : a mode of this reboot.
`reason`	`String` : for this reboot.

投掷
`DeviceNotAvailableException`

ensureRuntimePermissionSupported

protected void ensureRuntimePermissionSupported ()

helper method to throw exception if runtime permission isn't supported

投掷
`DeviceNotAvailableException`

getBugreportInternal

protected InputStreamSource getBugreportInternal ()

退货
`InputStreamSource`

getBugreportzInternal

protected File getBugreportzInternal ()

Internal Helper method to get the bugreportz zip file as a ERROR(/File) .

退货
`File`

getRunUtil

protected IRunUtil getRunUtil ()

Get the RunUtil instance to use.

退货
`IRunUtil`

internalGetProperty

protected String internalGetProperty (String propName, 
                String fastbootVar, 
                String description)

Fetch a device property, from the ddmlib cache by default, and falling back to either `adb shell getprop` or `fastboot getvar` depending on whether the device is in Fastboot or not.

参数
`propName`	`String` : The name of the device property as returned by `adb shell getprop`
`fastbootVar`	`String` : The name of the equivalent fastboot variable to query. if `null` , fastboot query will not be attempted
`description`	`String` : A simple description of the variable. First letter should be capitalized.

退货
`String`	A string, possibly `null` or empty, containing the value of the given property

投掷
`DeviceNotAvailableException`

isNewer

protected boolean isNewer (File localFile, 
                IFileEntry entry)

Return true if local file is newer than remote file. IFileEntry being accurate to the minute, in case of equal times, the file will be considered newer.

参数
`localFile`	`File`
`entry`	`IFileEntry`

退货
`boolean`

performDeviceAction

protected boolean performDeviceAction (String actionDescription, 
                com.android.tradefed.device.NativeDevice.DeviceAction action, 
                int retryAttempts)

Performs an action on this device. Attempts to recover device and optionally retry command if action fails.

参数
`actionDescription`	`String` : a short description of action to be performed. Used for logging purposes only.
`action`	`com.android.tradefed.device.NativeDevice.DeviceAction` : the action to be performed
`retryAttempts`	`int` : the retry attempts to make for action if it fails but recovery succeeds

退货
`boolean`	`true` if action was performed successfully

投掷
`DeviceNotAvailableException`	if recovery attempt fails or max attempts done without success

postAdbReboot

protected void postAdbReboot ()

Possible extra actions that can be taken after a reboot.

投掷
`DeviceNotAvailableException`

prePostBootSetup

protected void prePostBootSetup ()

Allows each device type (AndroidNativeDevice, TestDevice) to override this method for specific post boot setup.

投掷
`DeviceNotAvailableException`

pullFileInternal

protected boolean pullFileInternal (String remoteFilePath, 
                File localFile)

参数
`remoteFilePath`	`String`
`localFile`	`File`

退货
`boolean`

投掷
`DeviceNotAvailableException`

setClock

protected void setClock (Clock clock)

Set the Clock instance to use.

参数
`clock`	`Clock`

setLogStartDelay

protected void setLogStartDelay (int delay)

Sets the time in ms to wait before starting logcat capture for a online device.

参数
`delay`	`int` : the delay in ms

simpleFastbootCommand

protected CommandResult simpleFastbootCommand (long timeout, 
                 envVarMap, 
                String[] fullCmd)

Executes a simple fastboot command with environment variables and report the status of the command.

参数
`timeout`	`long`
`envVarMap`
`fullCmd`	`String`

退货
`CommandResult`

simpleFastbootCommand

protected CommandResult simpleFastbootCommand (long timeout, 
                String[] fullCmd)

Executes a simple fastboot command and report the status of the command.

参数
`timeout`	`long`
`fullCmd`	`String`

退货
`CommandResult`

waitForDeviceNotAvailable

protected boolean waitForDeviceNotAvailable (String operationDesc, 
                long time)

Wait to see the device going unavailable (stop reporting to adb).

参数
`operationDesc`	`String` : The name of the operation that is waiting for unavailable.
`time`	`long` : The time to wait for unavailable to occur.

退货
`boolean`	True if device did become unavailable.

NativeDevice

概括

嵌套类

常数

字段

公共构造函数

公共方法

受保护的方法

常数

INVALID_USER_ID

MAX_HOST_DEVICE_TIME_OFFSET

MAX_RETRY_ATTEMPTS

字段

SD卡

STORAGE_EMULATED

mOptions

mStateMonitor

公共构造函数

NativeDevice

公共方法

checkApiLevelAgainstNextRelease

检查连接性

清除错误对话框

clearLastConnectedWifi网络

清除Logcat

连接到Wifi网络

连接到Wifi网络

连接到Wifi网络

连接到Wifi网络

connectToWifiNetworkIfNeeded

connectToWifiNetworkIfNeeded

创建用户

创建用户

createUserNoThrow

删除文件

deviceSoftRestarted

deviceSoftRestartedSince

禁用AdbRoot

禁用键盘保护

禁用网络监视器

disconnectFromWifi

文件存在

文件存在

转储堆

启用AdbRoot

启用网络监视器

执行AdbCommand

执行AdbCommand

执行Fastboot命令

执行Fastboot命令

执行LongFastboot命令

执行LongFastboot命令

执行ShellCommand

执行ShellCommand

执行ShellCommand

执行ShellCommand

执行ShellV2命令

执行ShellV2命令

执行ShellV2命令

执行ShellV2命令

executeShellV2Command

executeShellV2Command

executeShellV2Command

fastbootWipePartition

getActiveApexes

getAllSettings

getAllocationState

getAndroidId

getAndroidIds

getApiLevel

getAppPackageInfo

getAppPackageInfos

getBasebandVersion

getBattery

getBooleanProperty

getBootHistory

getBootHistorySince

getBootloaderVersion

getBugreport

getBugreportz