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FastbootHelper

public class FastbootHelper
extends Object

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

A helper class for fastboot operations.

Summary

Public constructors
`FastbootHelper(IRunUtil runUtil, String fastbootPath)` Constructor.

Public methods
`String`	`executeCommand(String serial, String command)` Executes a fastboot command on a device and return the output.
	`getBootloaderAndFastbootdDevices()` Returns a map of device serials and whether they are in fastbootd mode or not.
	`getBootloaderAndFastbootdTcpDevices( serials)` Returns a map of device serials and whether they are in fastbootd mode or not.
	`getDevices()` Returns a set of device serials in fastboot mode or an empty set if no fastboot devices.
`boolean`	`isFastbootAvailable()` Determine if fastboot is available for use.
`boolean`	`isFastbootd(String serial)` Returns whether or not a device is in Fastbootd instead of Bootloader.

Public constructors

FastbootHelper

public FastbootHelper (IRunUtil runUtil, 
                String fastbootPath)

Constructor.

Parameters
`runUtil`	`IRunUtil`: a `IRunUtil`.
`fastbootPath`	`String`

Public methods

executeCommand

public String executeCommand (String serial, 
                String command)

Executes a fastboot command on a device and return the output.

Parameters
`serial`	`String`: a device serial.
`command`	`String`: a fastboot command to run.

Returns
`String`	the output of the fastboot command. null if the command failed.

getBootloaderAndFastbootdDevices

public  getBootloaderAndFastbootdDevices ()

Returns a map of device serials and whether they are in fastbootd mode or not.

Returns
	a Map of serial in bootloader or fastbootd, the boolean is true if in fastbootd

getBootloaderAndFastbootdTcpDevices

public  getBootloaderAndFastbootdTcpDevices ( serials)

Returns a map of device serials and whether they are in fastbootd mode or not.

Parameters
`serials`	: a map of devices serial number and fastboot mode serial number.

Returns
	a Map of serial in bootloader or fastbootd, the boolean is true if in fastbootd

getDevices

public  getDevices ()

Returns a set of device serials in fastboot mode or an empty set if no fastboot devices.

Returns
	a set of device serials.

isFastbootAvailable

public boolean isFastbootAvailable ()

Determine if fastboot is available for use.

Returns
`boolean`

isFastbootd

public boolean isFastbootd (String serial)

Returns whether or not a device is in Fastbootd instead of Bootloader.

Parameters
`serial`	`String`

Returns
`boolean`