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DeviceFlashPreparer

public abstract class DeviceFlashPreparer
extends BaseTargetPreparer

java.lang.Object
↳	com.android.tradefed.targetprep.BaseTargetPreparer
	↳	com.android.tradefed.targetprep.DeviceFlashPreparer

Known direct subclasses

FastbootUpdateBootstrapPreparer

FastbootUpdateBootstrapPreparer An ITargetPreparer that stages specified files (bootloader, radio, device image zip) into IDeviceBuildInfo to get devices flashed with FastbootDeviceFlasher, then injects post-boot device attributes into the build info for result reporting purposes.

A ITargetPreparer that flashes an image on physical Android hardware.

Summary

Nested classes
`enum`	`DeviceFlashPreparer.EncryptionOptions` Enum of options for handling the encryption of userdata image

Public constructors
`DeviceFlashPreparer()`

Public methods
`void`	`setUp(TestInformation testInfo)`
`void`	`setUserDataFlashOption(IDeviceFlasher.UserDataFlashOption flashOption)` Set the userdata-flash option
`void`	`tearDown(TestInformation testInfo, Throwable e)`

Protected methods
`void`	`checkDeviceProductType(ITestDevice device, IDeviceBuildInfo deviceBuild)` Possible check before flashing to ensure the device is as expected compare to the build info.
`abstract IDeviceFlasher`	`createFlasher(ITestDevice device)` Create `IDeviceFlasher` to use.
`long`	`getDeviceBootWaitTime()` Gets the device boot wait time
`IHostOptions`	`getHostOptions()` Gets the `IHostOptions` instance to use.
`void`	`reportFlashMetrics(String branch, String buildFlavor, String buildId, String serial, long queueTime, long flashingTime, CommandStatus flashingStatus)` Reports device flashing timing data to metrics backend
`void`	`setSkipPostFlashBuildIdCheck(boolean skipPostFlashBuildIdCheck)`
`void`	`setSkipPostFlashFlavorCheck(boolean skipPostFlashFlavorCheck)`

Public constructors

DeviceFlashPreparer

public DeviceFlashPreparer ()

Public methods

setUp

public void setUp (TestInformation testInfo)

Parameters
`testInfo`	`TestInformation`

Throws
`BuildError`
`DeviceNotAvailableException`
`TargetSetupError`

setUserDataFlashOption

public void setUserDataFlashOption (IDeviceFlasher.UserDataFlashOption flashOption)

Set the userdata-flash option

tearDown

public void tearDown (TestInformation testInfo, 
                Throwable e)

Parameters
`testInfo`	`TestInformation`
`e`	`Throwable`

Throws
`DeviceNotAvailableException`

Protected methods

checkDeviceProductType

protected void checkDeviceProductType (ITestDevice device, 
                IDeviceBuildInfo deviceBuild)

Possible check before flashing to ensure the device is as expected compare to the build info.

Parameters
`device`	`ITestDevice`: the `ITestDevice` to flash.
`deviceBuild`	`IDeviceBuildInfo`: the `IDeviceBuildInfo` used to flash.

Throws
	com.android.tradefed.targetprep.BuildError
`DeviceNotAvailableException`
`BuildError`

createFlasher

protected abstract IDeviceFlasher createFlasher (ITestDevice device)

Create IDeviceFlasher to use. Subclasses can override

Parameters
`device`	`ITestDevice`

Returns
`IDeviceFlasher`

Throws
`DeviceNotAvailableException`

getDeviceBootWaitTime

protected long getDeviceBootWaitTime ()

Gets the device boot wait time

Returns
`long`

getHostOptions

protected IHostOptions getHostOptions ()

Gets the IHostOptions instance to use.

Exposed for unit testing

Returns
`IHostOptions`

reportFlashMetrics

protected void reportFlashMetrics (String branch, 
                String buildFlavor, 
                String buildId, 
                String serial, 
                long queueTime, 
                long flashingTime, 
                CommandStatus flashingStatus)

Reports device flashing timing data to metrics backend

Parameters
`branch`	`String`: the branch where the device build originated from
`buildFlavor`	`String`: the build flavor of the device build
`buildId`	`String`: the build number of the device build
`serial`	`String`: the serial number of device
`queueTime`	`long`: the time spent waiting for a flashing limit to become available
`flashingTime`	`long`: the time spent in flashing device image zip
`flashingStatus`	`CommandStatus`: the execution status of flashing command

setSkipPostFlashBuildIdCheck

protected void setSkipPostFlashBuildIdCheck (boolean skipPostFlashBuildIdCheck)

Parameters
`skipPostFlashBuildIdCheck`	`boolean`

setSkipPostFlashFlavorCheck

protected void setSkipPostFlashFlavorCheck (boolean skipPostFlashFlavorCheck)

Parameters
`skipPostFlashFlavorCheck`	`boolean`

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Last updated 2020-09-08 UTC.