為配合主幹穩定開發模型，並確保生態系統的平台穩定性，我們將自 2026 年起，在第 2 季和第 4 季將原始碼發布至 AOSP。如要建構及貢獻 AOSP，請使用 android-latest-release。android-latest-release 資訊清單分支版本一律會參照推送至 Android 開放原始碼計畫的最新版本。詳情請參閱「Android 開放原始碼計畫變更」。

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IncrementalImageUtil

public class IncrementalImageUtil
extends Object

java.lang.Object
↳	com.android.tradefed.util.image.IncrementalImageUtil

這項公用程式可運用增量映像檔和裝置更新。

摘要

欄位
`public static final Set<String>`	`DYNAMIC_PARTITIONS_TO_DIFF`

公用建構函式
`IncrementalImageUtil(ITestDevice device, File targetImage, File createSnapshot, boolean updateBootloaderFromUserspace, SnapuserdWaitPhase waitPhase, File deviceMerkleTree)`

公用方法
`void`	`allowSameBuildFlashing()`
`void`	`cleanAfterSetup()` 執行部分套用邏輯時，我們可以在設定後立即清理檔案。
`File`	`getExtractedTargetDirectory()`
`static IncrementalImageUtil`	`initialize(ITestDevice device, IDeviceBuildInfo build, File createSnapshot, boolean isIsolatedSetup, boolean allowTrackerlessUpdate, Set<String> allowedTransition, boolean updateBootloaderFromUserspace, SnapuserdWaitPhase waitPhase)`
`boolean`	`isSameBuildFlashingAllowed()`
`static boolean`	`isSnapshotInUse(ITestDevice device)` 傳回裝置目前是否使用快照。
`static boolean`	`isSnapshotSupported(ITestDevice device, boolean useMerkle)` Returns whether or not we can use the snapshot logic to update the device
`void`	`setSkipBasebandVersionCheck(boolean skipBasebandVersionCheck)`
`void`	`setSkipBootloaderVersionCheck(boolean skipBootloaderVersionCheck)`
`void`	`teardownDevice(TestInformation testInfo)`
`boolean`	`updateCompleted()` 傳回更新是否完成。
`void`	`updateDevice(File currentBootloader, File currentRadio, File currentTrusty)` 使用快照邏輯更新裝置。
`void`	`updateDeviceWithNewFlow(File currentBootloader, File currentRadio, File currentTrusty)`
`boolean`	`useUpdatedFlow()`

欄位

DYNAMIC_PARTITIONS_TO_DIFF

public static final Set<String> DYNAMIC_PARTITIONS_TO_DIFF

公用建構函式

IncrementalImageUtil

public IncrementalImageUtil (ITestDevice device, 
                File targetImage, 
                File createSnapshot, 
                boolean updateBootloaderFromUserspace, 
                SnapuserdWaitPhase waitPhase, 
                File deviceMerkleTree)

參數
`device`	`ITestDevice`
`targetImage`	`File`
`createSnapshot`	`File`
`updateBootloaderFromUserspace`	`boolean`
`waitPhase`	`SnapuserdWaitPhase`
`deviceMerkleTree`	`File`

公用方法

allowSameBuildFlashing

public void allowSameBuildFlashing ()

cleanAfterSetup

public void cleanAfterSetup ()

執行部分套用邏輯時，我們可以在設定後立即清理檔案。

getExtractedTargetDirectory

public File getExtractedTargetDirectory ()

傳回
`File`

initialize

public static IncrementalImageUtil initialize (ITestDevice device, 
                IDeviceBuildInfo build, 
                File createSnapshot, 
                boolean isIsolatedSetup, 
                boolean allowTrackerlessUpdate, 
                Set<String> allowedTransition, 
                boolean updateBootloaderFromUserspace, 
                SnapuserdWaitPhase waitPhase)

參數
`device`	`ITestDevice`
`build`	`IDeviceBuildInfo`
`createSnapshot`	`File`
`isIsolatedSetup`	`boolean`
`allowTrackerlessUpdate`	`boolean`
`allowedTransition`	`Set`
`updateBootloaderFromUserspace`	`boolean`
`waitPhase`	`SnapuserdWaitPhase`

傳回
`IncrementalImageUtil`

擲回
`DeviceNotAvailableException`

isSameBuildFlashingAllowed

public boolean isSameBuildFlashingAllowed ()

傳回
`boolean`

isSnapshotInUse

public static boolean isSnapshotInUse (ITestDevice device)

傳回裝置目前是否使用快照。

參數
`device`	`ITestDevice`

傳回
`boolean`

擲回
`DeviceNotAvailableException`

isSnapshotSupported

public static boolean isSnapshotSupported (ITestDevice device, 
                boolean useMerkle)

傳回是否可使用快照邏輯更新裝置

參數
`device`	`ITestDevice`
`useMerkle`	`boolean`

傳回
`boolean`

擲回
`DeviceNotAvailableException`

setSkipBasebandVersionCheck

public void setSkipBasebandVersionCheck (boolean skipBasebandVersionCheck)

參數
`skipBasebandVersionCheck`	`boolean`

setSkipBootloaderVersionCheck

public void setSkipBootloaderVersionCheck (boolean skipBootloaderVersionCheck)

參數
`skipBootloaderVersionCheck`	`boolean`

teardownDevice

public void teardownDevice (TestInformation testInfo)

參數
`testInfo`	`TestInformation`

擲回
`DeviceNotAvailableException`

updateCompleted

public boolean updateCompleted ()

傳回更新是否完成。

傳回
`boolean`

updateDevice

public void updateDevice (File currentBootloader, 
                File currentRadio, 
                File currentTrusty)

使用快照邏輯更新裝置。

參數
`currentBootloader`	`File`
`currentRadio`	`File`
`currentTrusty`	`File`

擲回
`DeviceNotAvailableException`
`TargetSetupError`

updateDeviceWithNewFlow

public void updateDeviceWithNewFlow (File currentBootloader, 
                File currentRadio, 
                File currentTrusty)

參數
`currentBootloader`	`File`
`currentRadio`	`File`
`currentTrusty`	`File`

擲回
`DeviceNotAvailableException`
`TargetSetupError`

useUpdatedFlow

public boolean useUpdatedFlow ()

傳回
`boolean`