自 2025 年 3 月 27 日起，我们建议您使用 android-latest-release 而非 aosp-main 构建 AOSP 并为其做出贡献。如需了解详情，请参阅 AOSP 的变更。
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
SwitchUserTargetPreparer
public
class
SwitchUserTargetPreparer
extends BaseTargetPreparer
在 setUp 中切换到指定用户类型的 ITargetPreparer。默认情况下，它会保留在当前用户中，不会执行切换。
尝试通过切换回执行前当前用户来恢复设备用户状态。
摘要
公共构造函数
SwitchUserTargetPreparer
public SwitchUserTargetPreparer ()
公共方法
public void setUp (TestInformation testInformation)
| 参数 |
|---|
testInformation |
TestInformation |
public void tearDown (TestInformation testInformation,
Throwable e)
| 参数 |
|---|
testInformation |
TestInformation |
e |
Throwable |
本页面上的内容和代码示例受内容许可部分所述许可的限制。Java 和 OpenJDK 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC)：2025-07-27。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-07-27。"],[],[],null,["# SwitchUserTargetPreparer\n========================\n\n\n`\npublic\n\n\nclass\nSwitchUserTargetPreparer\n`\n\n\n`\n\n\n`\n\n`\n\nextends `[BaseTargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/BaseTargetPreparer.html)`\n\n\n`\n\n`\n\n\n`\n\n|---|---|----------------------------------------------------------|\n| java.lang.Object |||\n| ↳ | [com.android.tradefed.targetprep.BaseTargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/BaseTargetPreparer.html) ||\n| | ↳ | com.android.tradefed.targetprep.SwitchUserTargetPreparer |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nA [ITargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/ITargetPreparer.html) that switches to the specified user kind in setUp. By default it\nremains in the current user, and no switching is performed.\n\nTries to restore device user state by switching back to the pre-execution current user.\n\nSummary\n-------\n\n| ### Public constructors ||\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[SwitchUserTargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/SwitchUserTargetPreparer.html#SwitchUserTargetPreparer())`() ` |\n\n| ### Public methods ||\n|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` void` | ` `[setUp](../../../../../../reference/tradefed/com/android/tradefed/targetprep/SwitchUserTargetPreparer.html#setUp(com.android.tradefed.invoker.TestInformation))`(`[TestInformation](../../../../../../reference/tradefed/com/android/tradefed/invoker/TestInformation.html)` testInformation) ` |\n| ` void` | ` `[tearDown](../../../../../../reference/tradefed/com/android/tradefed/targetprep/SwitchUserTargetPreparer.html#tearDown(com.android.tradefed.invoker.TestInformation,%20java.lang.Throwable))`(`[TestInformation](../../../../../../reference/tradefed/com/android/tradefed/invoker/TestInformation.html)` testInformation, Throwable e) ` |\n\nPublic constructors\n-------------------\n\n### SwitchUserTargetPreparer\n\n```\npublic SwitchUserTargetPreparer ()\n```\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nPublic methods\n--------------\n\n### setUp\n\n```\npublic void setUp (TestInformation testInformation)\n```\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Parameters ||\n|-------------------|--------------------------|\n| `testInformation` | `TestInformation` \u003cbr /\u003e |\n\n| Throws ||\n|----------------------------------------------------------------------------------------------------------------------------------|---|\n| [DeviceNotAvailableException](../../../../../../reference/tradefed/com/android/tradefed/device/DeviceNotAvailableException.html) | |\n| [TargetSetupError](../../../../../../reference/tradefed/com/android/tradefed/targetprep/TargetSetupError.html) | |\n\n### tearDown\n\n```\npublic void tearDown (TestInformation testInformation, \n Throwable e)\n```\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Parameters ||\n|-------------------|--------------------------|\n| `testInformation` | `TestInformation` \u003cbr /\u003e |\n| `e` | `Throwable` \u003cbr /\u003e |\n\n| Throws ||\n|----------------------------------------------------------------------------------------------------------------------------------|---|\n| [DeviceNotAvailableException](../../../../../../reference/tradefed/com/android/tradefed/device/DeviceNotAvailableException.html) | |"]]
