Starting March 27, 2025, we recommend using android-latest-release instead of aosp-main to build and contribute to AOSP. For more information, see Changes to AOSP.

ApkChangeDetector

public class ApkChangeDetector
extends Object

java.lang.Object
↳	com.android.tradefed.targetprep.incremental.ApkChangeDetector

This class detects whether the APKs to be installed are different from those on the device, in order to decide whether to skip app installation and uninstallation during ERROR(/TestAppInstallSetup)'s setUp and tearDown.

Summary

Public constructors
`ApkChangeDetector()`

Public methods
`boolean`	`handlePackageCleanup(String packageName, ITestDevice device, Integer userId, boolean forAllUsers)` Handle package cleanup process.
`boolean`	`handleTestAppsPreinstall(String packageName, testApps, ITestDevice device, Integer userId, boolean forAllUsers)` Handle app pre-install process.

Public constructors

ApkChangeDetector

public ApkChangeDetector ()

Public methods

handlePackageCleanup

public boolean handlePackageCleanup (String packageName, 
                ITestDevice device, 
                Integer userId, 
                boolean forAllUsers)

Handle package cleanup process.

Parameters
`packageName`	`String`: the name of package to be cleaned up.
`device`	`ITestDevice`: Indicates the device on which the test is running.
`userId`	`Integer`: The current user ID.
`forAllUsers`	`boolean`: Indicates whether the cleanup should be done for all users.

Returns
`boolean`	Whether the cleanup of an indicated package is done. Default to false, which indicates that the cleanup is not done.

Throws
`DeviceNotAvailableException`

handleTestAppsPreinstall

public boolean handleTestAppsPreinstall (String packageName, 
                 testApps, 
                ITestDevice device, 
                Integer userId, 
                boolean forAllUsers)

Handle app pre-install process.

Parameters
`packageName`	`String`: The name of the package.
`testApps`	: Indicate all APK files in the package with the name `ERROR(/packageName)`.
`device`	`ITestDevice`: Indicates the device on which the test is running.
`userId`	`Integer`: The current user ID.
`forAllUsers`	`boolean`: Indicates whether the cleanup should be done for all users.

Returns
`boolean`	Whether the APKs in `ERROR(/packageName)` are fully handled under local incremental setup. Default to false, which does not oblige to re-install the package APKs.

Throws
`DeviceNotAvailableException`