# Class Index # Class Index These are the API classes. See all[API packages](https://developer.android.com/reference/com/google/android/things/packages). [A](https://developer.android.com/reference/com/google/android/things/classes#letter_A)[B](https://developer.android.com/reference/com/google/android/things/classes#letter_B)[C](https://developer.android.com/reference/com/google/android/things/classes#letter_C)[D](https://developer.android.com/reference/com/google/android/things/classes#letter_D)[G](https://developer.android.com/reference/com/google/android/things/classes#letter_G)[I](https://developer.android.com/reference/com/google/android/things/classes#letter_I)[J](https://developer.android.com/reference/com/google/android/things/classes#letter_J)[L](https://developer.android.com/reference/com/google/android/things/classes#letter_L)[N](https://developer.android.com/reference/com/google/android/things/classes#letter_N)[O](https://developer.android.com/reference/com/google/android/things/classes#letter_O)[P](https://developer.android.com/reference/com/google/android/things/classes#letter_P)[S](https://developer.android.com/reference/com/google/android/things/classes#letter_S)[T](https://developer.android.com/reference/com/google/android/things/classes#letter_T)[U](https://developer.android.com/reference/com/google/android/things/classes#letter_U)[V](https://developer.android.com/reference/com/google/android/things/classes#letter_V)[W](https://developer.android.com/reference/com/google/android/things/classes#letter_W) ## A |------------------------------------------------------------------------------------------------------------------|-------------------------------------| | [AndroidThings](https://developer.android.com/reference/com/google/android/things/AndroidThings) | Android Things library information. | | [AndroidThings.Product](https://developer.android.com/reference/com/google/android/things/AndroidThings.Product) | AndroidThings product information. | ## B |------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [BluetoothClassFactory](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothClassFactory) | Builder to instantiate a[BluetoothClass](https://developer.android.com/reference/android/bluetooth/BluetoothClass). | | [BluetoothConfigManager](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothConfigManager) | This class is used to control various configuration options for the Bluetooth stack. | | [BluetoothConnectionCallback](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothConnectionCallback) | This callback is invoked when the device receives requests for Bluetooth profile connections and contains relevant information to handle the connection process. | | [BluetoothConnectionManager](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothConnectionManager) | This class is responsible for handling Bluetooth pairing and connections with a remote[BluetoothDevice](https://developer.android.com/reference/android/bluetooth/BluetoothDevice) It allows developers to perform the following main operations. | | [BluetoothPairingCallback](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothPairingCallback) | This callback is invoked during the Bluetooth pairing process and contains all the relevant pairing information required for pairing. | | [BluetoothPairingCallback.PairingError](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothPairingCallback.PairingError) | | | [BluetoothProfile](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothProfile) | Lists all the Bluetooth profiles available in the system. | | [BluetoothProfileManager](https://developer.android.com/reference/com/google/android/things/bluetooth/BluetoothProfileManager) | Allows applications to enable/disable Bluetooth profiles on the system. | ## C |------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------| | [ConnectionParams](https://developer.android.com/reference/com/google/android/things/bluetooth/ConnectionParams) | This class encapsulates the information about a particular connection request with a remote Bluetooth device. | ## D |---------------------------------------------------------------------------------------------------------|--------------------------------------------------------------| | [DeviceManager](https://developer.android.com/reference/com/google/android/things/device/DeviceManager) | This class provides access to the device management service. | ## G |----------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [GnssClockBuilder](https://developer.android.com/reference/com/google/android/things/userdriver/location/GnssClockBuilder) | Builder for[GnssClock](https://developer.android.com/reference/android/location/GnssClock.html). | | [GnssDriver](https://developer.android.com/reference/com/google/android/things/userdriver/location/GnssDriver) | Driver to interface with user-connected GNSS sensors. | | [GnssMeasurementBuilder](https://developer.android.com/reference/com/google/android/things/userdriver/location/GnssMeasurementBuilder) | Builder for[GnssMeasurement](https://developer.android.com/reference/android/location/GnssMeasurement.html), which represents measurement data for an individual satellite. | | [GnssMeasurementsEventBuilder](https://developer.android.com/reference/com/google/android/things/userdriver/location/GnssMeasurementsEventBuilder) | Builder for[GnssMeasurementsEvent](https://developer.android.com/reference/android/location/GnssMeasurementsEvent.html), which contains measurement data for all satellites in this event. | | [GnssStateListener](https://developer.android.com/reference/com/google/android/things/userdriver/location/GnssStateListener) | GNSS State Listener Handles changes in the enabled state of the gnss system. | | [GnssStatusBuilder](https://developer.android.com/reference/com/google/android/things/userdriver/location/GnssStatusBuilder) | Builder for[GnssStatus](https://developer.android.com/reference/android/location/GnssStatus.html), which contains information about satellites that were detected. | | [Gpio](https://developer.android.com/reference/com/google/android/things/pio/Gpio) | Controls a GPIO pin. | | [GpioCallback](https://developer.android.com/reference/com/google/android/things/pio/GpioCallback) | GPIO interrupt callback. | | [GpioDriver](https://developer.android.com/reference/com/google/android/things/userdriver/pio/GpioDriver) | GPIO user driver. | ## I |-----------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------| | [I2cBusDriver](https://developer.android.com/reference/com/google/android/things/userdriver/pio/I2cBusDriver) | I2C user driver. | | [I2cDevice](https://developer.android.com/reference/com/google/android/things/pio/I2cDevice) | Controls an I2C device. | | [InputDriver](https://developer.android.com/reference/com/google/android/things/userdriver/input/InputDriver) | Driver to interface with user-connected input devices. | | [InputDriver.Builder](https://developer.android.com/reference/com/google/android/things/userdriver/input/InputDriver.Builder) | Builder class for[InputDriver](https://developer.android.com/reference/com/google/android/things/userdriver/input/InputDriver)objects. | | [InputDriverEvent](https://developer.android.com/reference/com/google/android/things/userdriver/input/InputDriverEvent) | An event to send to an[InputDriver](https://developer.android.com/reference/com/google/android/things/userdriver/input/InputDriver). | | [InterfaceDisabledException](https://developer.android.com/reference/com/google/android/things/lowpan/InterfaceDisabledException) | Exception indicating this operation requires the interface to be enabled. | ## J |---------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------| | [JoinFailedAtAuthException](https://developer.android.com/reference/com/google/android/things/lowpan/JoinFailedAtAuthException) | Exception indicating the join operation was unable to find the given network. | | [JoinFailedAtScanException](https://developer.android.com/reference/com/google/android/things/lowpan/JoinFailedAtScanException) | Exception indicating the join operation was unable to find the given network. | | [JoinFailedException](https://developer.android.com/reference/com/google/android/things/lowpan/JoinFailedException) | Exception indicating the join operation has failed. | ## L |-----------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------| | [LowpanBeaconInfo](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanBeaconInfo) | Describes a LoWPAN Beacon. | | [LowpanCredential](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanCredential) | Describes a network access credential for a LoWPAN. | | [LowpanDriver](https://developer.android.com/reference/com/google/android/things/userdriver/lowpan/LowpanDriver) | Driver to implement LoWPAN device. | | [LowpanDriverCallback](https://developer.android.com/reference/com/google/android/things/userdriver/lowpan/LowpanDriverCallback) | Callback interface for LowpanDriver. | | [LowpanEnergyScanResult](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanEnergyScanResult) | Describes the result from one channel of an energy scan. | | [LowpanException](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanException) | Exception base class for LoWPAN-specific exceptions. | | [LowpanIdentity](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanIdentity) | Describes an instance of a LoWPAN network. | | [LowpanIdentity.Builder](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanIdentity.Builder) | Builder class for constructing instances of LowpanIdentity. | | [LowpanInterface](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanInterface) | Class for managing a specific Low-power Wireless Personal Area Network (LoWPAN) interface. | | [LowpanInterface.Callback](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanInterface.Callback) | Callback base class for[LowpanInterface](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanInterface). | | [LowpanManager](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanManager) | Manager object for looking up LoWPAN interfaces. | | [LowpanManager.Callback](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanManager.Callback) | Callback base class for[LowpanManager](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanManager). | | [LowpanProvisioningParams](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanProvisioningParams) | Describes the information needed to be a part of a specific network. | | [LowpanProvisioningParams.Builder](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanProvisioningParams.Builder) | Builder class for constructing LowpanProvisioningParams objects. | | [LowpanRuntimeException](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanRuntimeException) | Runtime exceptions specific to LoWPAN operations. | | [LowpanScanner](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanScanner) | Class for performing active and passive scans. | | [LowpanScanner.Callback](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanScanner.Callback) | Callback base class for[LowpanScanner](https://developer.android.com/reference/com/google/android/things/lowpan/LowpanScanner). | ## N |-----------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------| | [NetworkAlreadyExistsException](https://developer.android.com/reference/com/google/android/things/lowpan/NetworkAlreadyExistsException) | Exception indicating the form operation found a network nearby with the same identity. | ## O |-----------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------| | [OperationCanceledException](https://developer.android.com/reference/com/google/android/things/lowpan/OperationCanceledException) | Exception indicating this operation was canceled by the driver before it could finish. | ## P |-----------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------| | [PairingParams](https://developer.android.com/reference/com/google/android/things/bluetooth/PairingParams) | This class encapsulates the data for a particular pairing attempt. | | [PendingUpdateInfo](https://developer.android.com/reference/com/google/android/things/update/PendingUpdateInfo) | Extra information that only pertains to a pending update. | | [PeripheralManager](https://developer.android.com/reference/com/google/android/things/pio/PeripheralManager) | Lists and opens peripherals. | | [PioDriverManager](https://developer.android.com/reference/com/google/android/things/userdriver/pio/PioDriverManager) | Manager for PIO userspace drivers. | | [Pwm](https://developer.android.com/reference/com/google/android/things/pio/Pwm) | Controls a PWM pin. | | [PwmDriver](https://developer.android.com/reference/com/google/android/things/userdriver/pio/PwmDriver) | PWM user driver. | ## S |---------------------------------------------------------------------------------------------------------------|-----------------------------------------| | [SpiBusDriver](https://developer.android.com/reference/com/google/android/things/userdriver/pio/SpiBusDriver) | SPI user driver. | | [SpiDevice](https://developer.android.com/reference/com/google/android/things/pio/SpiDevice) | Controls a SpiDevice. | | [StatusListener](https://developer.android.com/reference/com/google/android/things/update/StatusListener) | Device firwmare update status listener. | ## T |-----------------------------------------------------------------------------------------------------|----------------------------------------------------------------| | [TimeManager](https://developer.android.com/reference/com/google/android/things/device/TimeManager) | This class provides access to device settings related to time. | ## U |------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [UartDevice](https://developer.android.com/reference/com/google/android/things/pio/UartDevice) | Controls a UART device. | | [UartDeviceCallback](https://developer.android.com/reference/com/google/android/things/pio/UartDeviceCallback) | UART interrupt callback. | | [UartDeviceDriver](https://developer.android.com/reference/com/google/android/things/userdriver/pio/UartDeviceDriver) | UART user driver. | | [UpdateManager](https://developer.android.com/reference/com/google/android/things/update/UpdateManager) | The UpdateManager allows an application or service to control how updates are automatically applied to the device. | | [UpdateManagerStatus](https://developer.android.com/reference/com/google/android/things/update/UpdateManagerStatus) | Represents the current status of the UpdateManager. | | [UpdatePolicy](https://developer.android.com/reference/com/google/android/things/update/UpdatePolicy) | The UpdatePolicy is an immutable object that represents the combination of an[UpdateManager](https://developer.android.com/reference/com/google/android/things/update/UpdateManager)policy and its options. | | [UpdatePolicy.Builder](https://developer.android.com/reference/com/google/android/things/update/UpdatePolicy.Builder) | The Builder is used to construct new UpdatePolicy objects. | | [UserDriverManager](https://developer.android.com/reference/com/google/android/things/userdriver/UserDriverManager) | Manager for all Android Things user drivers. | | [UserSensor](https://developer.android.com/reference/com/google/android/things/userdriver/sensor/UserSensor) | A user-defined sensor backed by a[UserSensorDriver](https://developer.android.com/reference/com/google/android/things/userdriver/sensor/UserSensorDriver). | | [UserSensor.Builder](https://developer.android.com/reference/com/google/android/things/userdriver/sensor/UserSensor.Builder) | Builder to allow for flexible[UserSensor](https://developer.android.com/reference/com/google/android/things/userdriver/sensor/UserSensor)construction. | | [UserSensorDriver](https://developer.android.com/reference/com/google/android/things/userdriver/sensor/UserSensorDriver) | Driver to interface with a user-connected sensor. | | [UserSensorReading](https://developer.android.com/reference/com/google/android/things/userdriver/sensor/UserSensorReading) | A single user-sensor reading. | ## V |-----------------------------------------------------------------------------------------------------|-----------------------------------------------------| | [VersionInfo](https://developer.android.com/reference/com/google/android/things/update/VersionInfo) | Describes a complete release (OS and OEM versions). | ## W |---------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------| | [WrongStateException](https://developer.android.com/reference/com/google/android/things/lowpan/WrongStateException) | Exception indicating the interface is the wrong state for an operation. |