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# Sensor

`public final class Sensor`
`extends Object` ``

java.lang.Object
↳ | android.hardware.Sensor

Class representing a sensor. Use `SensorManager#getSensorList` to get the list of available sensors. For more information about Android sensors, read the Motion Sensors guide.

See also:

- `SensorManager`
- `SensorEventListener`
- `SensorEvent`

## Summary

### Constants
`int` | `REPORTING_MODE_CONTINUOUS` Events are reported at a constant rate which is set by the rate parameter of `SensorManager#registerListener(SensorEventListener, Sensor, int)`.
`int` | `REPORTING_MODE_ONE_SHOT` Events are reported in one-shot mode.
`int` | `REPORTING_MODE_ON_CHANGE` Events are reported only when the value changes.
`int` | `REPORTING_MODE_SPECIAL_TRIGGER` Events are reported as described in the description of the sensor.
`String` | `STRING_TYPE_ACCELEROMETER` A constant string describing an accelerometer sensor type.
`String` | `STRING_TYPE_ACCELEROMETER_UNCALIBRATED` A constant string describing an uncalibrated accelerometer sensor.
`String` | `STRING_TYPE_AMBIENT_TEMPERATURE` A constant string describing an ambient temperature sensor type.
`String` | `STRING_TYPE_GAME_ROTATION_VECTOR` A constant string describing an uncalibrated rotation vector sensor type.
`String` | `STRING_TYPE_GEOMAGNETIC_ROTATION_VECTOR` A constant string describing a geo-magnetic rotation vector.
`String` | `STRING_TYPE_GRAVITY` A constant string describing a gravity sensor type.
`String` | `STRING_TYPE_GYROSCOPE` A constant string describing a gyroscope sensor type.
`String` | `STRING_TYPE_GYROSCOPE_UNCALIBRATED` A constant string describing an uncalibrated gyroscope sensor type.
`String` | `STRING_TYPE_HEART_BEAT` A constant string describing a heart beat sensor.
`String` | `STRING_TYPE_HEART_RATE` A constant string describing a heart rate monitor.
`String` | `STRING_TYPE_HINGE_ANGLE` A constant string describing a hinge angle sensor.
`String` | `STRING_TYPE_LIGHT` A constant string describing a light sensor type.
`String` | `STRING_TYPE_LINEAR_ACCELERATION` A constant string describing a linear acceleration sensor type.
`String` | `STRING_TYPE_LOW_LATENCY_OFFBODY_DETECT` A constant string describing a low-latency offbody detector sensor.
`String` | `STRING_TYPE_MAGNETIC_FIELD` A constant string describing a magnetic field sensor type.
`String` | `STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED` A constant string describing an uncalibrated magnetic field sensor type.
`String` | `STRING_TYPE_MOTION_DETECT` A constant string describing a motion detection sensor.
`String` | `STRING_TYPE_ORIENTATION` This constant is deprecated. use `SensorManager.getOrientation()` instead.
`String` | `STRING_TYPE_POSE_6DOF` A constant string describing a pose sensor with 6 degrees of freedom.
`String` | `STRING_TYPE_PRESSURE` A constant string describing a pressure sensor type.
`String` | `STRING_TYPE_PROXIMITY` A constant string describing a proximity sensor type.
`String` | `STRING_TYPE_RELATIVE_HUMIDITY` A constant string describing a relative humidity sensor type
`String` | `STRING_TYPE_ROTATION_VECTOR` A constant string describing a rotation vector sensor type.
`String` | `STRING_TYPE_SIGNIFICANT_MOTION` A constant string describing a significant motion trigger sensor.
`String` | `STRING_TYPE_STATIONARY_DETECT` A constant string describing a stationary detection sensor.
`String` | `STRING_TYPE_STEP_COUNTER` A constant string describing a step counter sensor.
`String` | `STRING_TYPE_STEP_DETECTOR` A constant string describing a step detector sensor.
`String` | `STRING_TYPE_TEMPERATURE` This constant is deprecated. use `Sensor.STRING_TYPE_AMBIENT_TEMPERATURE` instead.
`int` | `TYPE_ACCELEROMETER` A constant describing an accelerometer sensor type.
`int` | `TYPE_ACCELEROMETER_UNCALIBRATED` A constant describing an uncalibrated accelerometer sensor.
`int` | `TYPE_ALL` A constant describing all sensor types.
`int` | `TYPE_AMBIENT_TEMPERATURE` A constant describing an ambient temperature sensor type.
`int` | `TYPE_DEVICE_PRIVATE_BASE` The lowest sensor type vendor defined sensors can use.
`int` | `TYPE_GAME_ROTATION_VECTOR` A constant describing an uncalibrated rotation vector sensor type.
`int` | `TYPE_GEOMAGNETIC_ROTATION_VECTOR` A constant describing a geo-magnetic rotation vector.
`int` | `TYPE_GRAVITY` A constant describing a gravity sensor type.
`int` | `TYPE_GYROSCOPE` A constant describing a gyroscope sensor type.
`int` | `TYPE_GYROSCOPE_UNCALIBRATED` A constant describing an uncalibrated gyroscope sensor type.
`int` | `TYPE_HEART_BEAT` A constant describing a heart beat sensor.
`int` | `TYPE_HEART_RATE` A constant describing a heart rate monitor.
`int` | `TYPE_HINGE_ANGLE` A constant describing a hinge angle sensor.
`int` | `TYPE_LIGHT` A constant describing a light sensor type.
`int` | `TYPE_LINEAR_ACCELERATION` A constant describing a linear acceleration sensor type.
`int` | `TYPE_LOW_LATENCY_OFFBODY_DETECT` A constant describing a low latency off-body detect sensor.
`int` | `TYPE_MAGNETIC_FIELD` A constant describing a magnetic field sensor type.
`int` | `TYPE_MAGNETIC_FIELD_UNCALIBRATED` A constant describing an uncalibrated magnetic field sensor type.
`int` | `TYPE_MOTION_DETECT` A constant describing a motion detect sensor.
`int` | `TYPE_ORIENTATION` This constant is deprecated. use `SensorManager.getOrientation()` instead.
`int` | `TYPE_POSE_6DOF` A constant describing a pose sensor with 6 degrees of freedom.
`int` | `TYPE_PRESSURE` A constant describing a pressure sensor type.
`int` | `TYPE_PROXIMITY` A constant describing a proximity sensor type.
`int` | `TYPE_RELATIVE_HUMIDITY` A constant describing a relative humidity sensor type.
`int` | `TYPE_ROTATION_VECTOR` A constant describing a rotation vector sensor type.
`int` | `TYPE_SIGNIFICANT_MOTION` A constant describing a significant motion trigger sensor.
`int` | `TYPE_STATIONARY_DETECT` A constant describing a stationary detect sensor.
`int` | `TYPE_STEP_COUNTER` A constant describing a step counter sensor.
`int` | `TYPE_STEP_DETECTOR` A constant describing a step detector sensor.
`int` | `TYPE_TEMPERATURE` This constant is deprecated. use `Sensor.TYPE_AMBIENT_TEMPERATURE` instead.

### Public methods
`int` | `getFifoMaxEventCount()`
`int` | `getFifoReservedEventCount()`
`int` | `getHighestDirectReportRateLevel()` Get the highest supported direct report mode rate level of the sensor.
`int` | `getId()`
`int` | `getMaxDelay()` This value is defined only for continuous and on-change sensors.
`float` | `getMaximumRange()`
`int` | `getMinDelay()`
`String` | `getName()`
`float` | `getPower()`
`int` | `getReportingMode()` Each sensor has exactly one reporting mode associated with it.
`float` | `getResolution()`
`String` | `getStringType()`
`int` | `getType()`
`String` | `getVendor()`
`int` | `getVersion()`
`boolean` | `isAdditionalInfoSupported()` Returns true if the sensor supports sensor additional information API
`boolean` | `isDirectChannelTypeSupported(int sharedMemType)` Test if a sensor supports a specified direct channel type.
`boolean` | `isDynamicSensor()` Returns true if the sensor is a dynamic sensor.
`boolean` | `isWakeUpSensor()` Returns true if the sensor is a wake-up sensor.
`String` | `toString()` Returns a string representation of the object.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Constants

### REPORTING_MODE_CONTINUOUS

    public static final int REPORTING_MODE_CONTINUOUS

Events are reported at a constant rate which is set by the rate parameter of `SensorManager#registerListener(SensorEventListener, Sensor, int)`. Note: If other applications are requesting a higher rate, the sensor data might be delivered at faster rates than requested.

Constant Value: 0 (0x00000000)

### REPORTING_MODE_ONE_SHOT

    public static final int REPORTING_MODE_ONE_SHOT

Events are reported in one-shot mode. Upon detection of an event, the sensor deactivates itself and then sends a single event. Sensors of this reporting mode must be registered to using `SensorManager#requestTriggerSensor(TriggerEventListener, Sensor)`.

Constant Value: 2 (0x00000002)

### REPORTING_MODE_ON_CHANGE

    public static final int REPORTING_MODE_ON_CHANGE

Events are reported only when the value changes. Event delivery rate can be limited by setting appropriate value for rate parameter of `SensorManager#registerListener(SensorEventListener, Sensor, int)` Note: If other applications are requesting a higher rate, the sensor data might be delivered at faster rates than requested.

Constant Value: 1 (0x00000001)

### REPORTING_MODE_SPECIAL_TRIGGER

    public static final int REPORTING_MODE_SPECIAL_TRIGGER

Events are reported as described in the description of the sensor. The rate passed to registerListener might not have an impact on the rate of event delivery. See the sensor definition for more information on when and how frequently the events are reported. For example, step detectors report events when a step is detected.

See also:

- `SensorManager.registerListener(SensorEventListener, Sensor, int, int)`

Constant Value: 3 (0x00000003)

### STRING_TYPE_ACCELEROMETER

    public static final String STRING_TYPE_ACCELEROMETER

A constant string describing an accelerometer sensor type.

See also:

- `TYPE_ACCELEROMETER`

Constant Value: "android.sensor.accelerometer"

### STRING_TYPE_ACCELEROMETER_UNCALIBRATED

    public static final String STRING_TYPE_ACCELEROMETER_UNCALIBRATED

A constant string describing an uncalibrated accelerometer sensor.

See also:

- `TYPE_ACCELEROMETER_UNCALIBRATED`

Constant Value: "android.sensor.accelerometer_uncalibrated"

### STRING_TYPE_AMBIENT_TEMPERATURE

    public static final String STRING_TYPE_AMBIENT_TEMPERATURE

A constant string describing an ambient temperature sensor type.

See also:

- `TYPE_AMBIENT_TEMPERATURE`

Constant Value: "android.sensor.ambient_temperature"

### STRING_TYPE_GAME_ROTATION_VECTOR

    public static final String STRING_TYPE_GAME_ROTATION_VECTOR

A constant string describing an uncalibrated rotation vector sensor type.

See also:

- `TYPE_GAME_ROTATION_VECTOR`

Constant Value: "android.sensor.game_rotation_vector"

### STRING_TYPE_GEOMAGNETIC_ROTATION_VECTOR

    public static final String STRING_TYPE_GEOMAGNETIC_ROTATION_VECTOR

A constant string describing a geo-magnetic rotation vector.

See also:

- `TYPE_GEOMAGNETIC_ROTATION_VECTOR`

Constant Value: "android.sensor.geomagnetic_rotation_vector"

### STRING_TYPE_GRAVITY

    public static final String STRING_TYPE_GRAVITY

A constant string describing a gravity sensor type.

See also:

- `TYPE_GRAVITY`

Constant Value: "android.sensor.gravity"

### STRING_TYPE_GYROSCOPE

    public static final String STRING_TYPE_GYROSCOPE

A constant string describing a gyroscope sensor type.

See also:

- `TYPE_GYROSCOPE`

Constant Value: "android.sensor.gyroscope"

### STRING_TYPE_GYROSCOPE_UNCALIBRATED

    public static final String STRING_TYPE_GYROSCOPE_UNCALIBRATED

A constant string describing an uncalibrated gyroscope sensor type.

See also:

- `TYPE_GYROSCOPE_UNCALIBRATED`

Constant Value: "android.sensor.gyroscope_uncalibrated"

### STRING_TYPE_HEART_BEAT

    public static final String STRING_TYPE_HEART_BEAT

A constant string describing a heart beat sensor.

See also:

- `TYPE_HEART_BEAT`

Constant Value: "android.sensor.heart_beat"

### STRING_TYPE_HEART_RATE

    public static final String STRING_TYPE_HEART_RATE

A constant string describing a heart rate monitor.

See also:

- `TYPE_HEART_RATE`

Constant Value: "android.sensor.heart_rate"

### STRING_TYPE_HINGE_ANGLE

    public static final String STRING_TYPE_HINGE_ANGLE

A constant string describing a hinge angle sensor.

See also:

- `TYPE_HINGE_ANGLE`

Constant Value: "android.sensor.hinge_angle"

### STRING_TYPE_LIGHT

    public static final String STRING_TYPE_LIGHT

A constant string describing a light sensor type.

See also:

- `TYPE_LIGHT`

Constant Value: "android.sensor.light"

### STRING_TYPE_LINEAR_ACCELERATION

    public static final String STRING_TYPE_LINEAR_ACCELERATION

A constant string describing a linear acceleration sensor type.

See also:

- `TYPE_LINEAR_ACCELERATION`

Constant Value: "android.sensor.linear_acceleration"

### STRING_TYPE_LOW_LATENCY_OFFBODY_DETECT

    public static final String STRING_TYPE_LOW_LATENCY_OFFBODY_DETECT

A constant string describing a low-latency offbody detector sensor.

See also:

- `TYPE_LOW_LATENCY_OFFBODY_DETECT`

Constant Value: "android.sensor.low_latency_offbody_detect"

### STRING_TYPE_MAGNETIC_FIELD

    public static final String STRING_TYPE_MAGNETIC_FIELD

A constant string describing a magnetic field sensor type.

See also:

- `TYPE_MAGNETIC_FIELD`

Constant Value: "android.sensor.magnetic_field"

### STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED

    public static final String STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED

A constant string describing an uncalibrated magnetic field sensor type.

See also:

- `TYPE_MAGNETIC_FIELD_UNCALIBRATED`

Constant Value: "android.sensor.magnetic_field_uncalibrated"

### STRING_TYPE_MOTION_DETECT

    public static final String STRING_TYPE_MOTION_DETECT

A constant string describing a motion detection sensor.

See also:

- `TYPE_MOTION_DETECT`

Constant Value: "android.sensor.motion_detect"

### STRING_TYPE_ORIENTATION

    public static final String STRING_TYPE_ORIENTATION

This constant is deprecated.
use `SensorManager.getOrientation()` instead.

A constant string describing an orientation sensor type.

See also:

- `TYPE_ORIENTATION`

Constant Value: "android.sensor.orientation"

### STRING_TYPE_POSE_6DOF

    public static final String STRING_TYPE_POSE_6DOF

A constant string describing a pose sensor with 6 degrees of freedom.

See also:

- `TYPE_POSE_6DOF`

Constant Value: "android.sensor.pose_6dof"

### STRING_TYPE_PRESSURE

    public static final String STRING_TYPE_PRESSURE

A constant string describing a pressure sensor type.

See also:

- `TYPE_PRESSURE`

Constant Value: "android.sensor.pressure"

### STRING_TYPE_PROXIMITY

    public static final String STRING_TYPE_PROXIMITY

A constant string describing a proximity sensor type.

See also:

- `TYPE_PROXIMITY`

Constant Value: "android.sensor.proximity"

### STRING_TYPE_RELATIVE_HUMIDITY

    public static final String STRING_TYPE_RELATIVE_HUMIDITY

A constant string describing a relative humidity sensor type

See also:

- `TYPE_RELATIVE_HUMIDITY`

Constant Value: "android.sensor.relative_humidity"

### STRING_TYPE_ROTATION_VECTOR

    public static final String STRING_TYPE_ROTATION_VECTOR

A constant string describing a rotation vector sensor type.

See also:

- `TYPE_ROTATION_VECTOR`

Constant Value: "android.sensor.rotation_vector"

### STRING_TYPE_SIGNIFICANT_MOTION

    public static final String STRING_TYPE_SIGNIFICANT_MOTION

A constant string describing a significant motion trigger sensor.

See also:

- `TYPE_SIGNIFICANT_MOTION`

Constant Value: "android.sensor.significant_motion"

### STRING_TYPE_STATIONARY_DETECT

    public static final String STRING_TYPE_STATIONARY_DETECT

A constant string describing a stationary detection sensor.

See also:

- `TYPE_STATIONARY_DETECT`

Constant Value: "android.sensor.stationary_detect"

### STRING_TYPE_STEP_COUNTER

    public static final String STRING_TYPE_STEP_COUNTER

A constant string describing a step counter sensor.

See also:

- `TYPE_STEP_COUNTER`

Constant Value: "android.sensor.step_counter"

### STRING_TYPE_STEP_DETECTOR

    public static final String STRING_TYPE_STEP_DETECTOR

A constant string describing a step detector sensor.

See also:

- `TYPE_STEP_DETECTOR`

Constant Value: "android.sensor.step_detector"

### STRING_TYPE_TEMPERATURE

    public static final String STRING_TYPE_TEMPERATURE

This constant is deprecated.
use `Sensor.STRING_TYPE_AMBIENT_TEMPERATURE` instead.

A constant string describing a temperature sensor type

See also:

- `TYPE_TEMPERATURE`

Constant Value: "android.sensor.temperature"

### TYPE_ACCELEROMETER

    public static final int TYPE_ACCELEROMETER

A constant describing an accelerometer sensor type.

See `SensorEvent.values` for more details.

Constant Value: 1 (0x00000001)

### TYPE_ACCELEROMETER_UNCALIBRATED

    public static final int TYPE_ACCELEROMETER_UNCALIBRATED

A constant describing an uncalibrated accelerometer sensor. See `SensorEvent.values` for more details.

Constant Value: 35 (0x00000023)

### TYPE_ALL

    public static final int TYPE_ALL

A constant describing all sensor types.

Constant Value: -1 (0xffffffff)

### TYPE_AMBIENT_TEMPERATURE

    public static final int TYPE_AMBIENT_TEMPERATURE

A constant describing an ambient temperature sensor type.

See `SensorEvent.values` for more details.

Constant Value: 13 (0x0000000d)

### TYPE_DEVICE_PRIVATE_BASE

    public static final int TYPE_DEVICE_PRIVATE_BASE

The lowest sensor type vendor defined sensors can use. All vendor sensor types are greater than or equal to this constant.

Constant Value: 65536 (0x00010000)

### TYPE_GAME_ROTATION_VECTOR

    public static final int TYPE_GAME_ROTATION_VECTOR

A constant describing an uncalibrated rotation vector sensor type.

Identical to `TYPE_ROTATION_VECTOR` except that it doesn't use the geomagnetic field. Therefore the Y axis doesn't point north, but instead to some other reference, that reference is allowed to drift by the same order of magnitude as the gyroscope drift around the Z axis.

In the ideal case, a phone rotated and returning to the same real-world orientation should report the same game rotation vector (without using the earth's geomagnetic field). However, the orientation may drift somewhat over time.

See `SensorEvent.values` for more details.

Constant Value: 15 (0x0000000f)

### TYPE_GEOMAGNETIC_ROTATION_VECTOR

    public static final int TYPE_GEOMAGNETIC_ROTATION_VECTOR

A constant describing a geo-magnetic rotation vector.

Similar to `TYPE_ROTATION_VECTOR`, but using a magnetometer instead of using a gyroscope. This sensor uses lower power than the other rotation vectors, because it doesn't use the gyroscope. However, it is more noisy and will work best outdoors.

See `SensorEvent.values` for more details.

Constant Value: 20 (0x00000014)

### TYPE_GRAVITY

    public static final int TYPE_GRAVITY

A constant describing a gravity sensor type.

See `SensorEvent.values` for more details.

Constant Value: 9 (0x00000009)

### TYPE_GYROSCOPE

    public static final int TYPE_GYROSCOPE

A constant describing a gyroscope sensor type.

See `SensorEvent.values` for more details.

Constant Value: 4 (0x00000004)

### TYPE_GYROSCOPE_UNCALIBRATED

    public static final int TYPE_GYROSCOPE_UNCALIBRATED

A constant describing an uncalibrated gyroscope sensor type.

Similar to `TYPE_GYROSCOPE` but no gyro-drift compensation has been performed to adjust the given sensor values. However, such gyro-drift bias values are returned to you separately in the result `SensorEvent.values` so you may use them for custom calibrations.

Factory calibration and temperature compensation is still applied to the rate of rotation (angular speeds).

See `SensorEvent.values` for more details.

Constant Value: 16 (0x00000010)

### TYPE_HEART_BEAT

    public static final int TYPE_HEART_BEAT

A constant describing a heart beat sensor. See `SensorEvent.values` for more details.

Constant Value: 31 (0x0000001f)

### TYPE_HEART_RATE

    public static final int TYPE_HEART_RATE

A constant describing a heart rate monitor.

The reported value is the heart rate in beats per minute.

The reported accuracy represents the status of the monitor during the reading. See the `SENSOR_STATUS_*` constants in `SensorManager` for more details on accuracy/status values. In particular, when the accuracy is `SENSOR_STATUS_UNRELIABLE` or `SENSOR_STATUS_NO_CONTACT`, the heart rate value should be discarded.

This sensor requires permission `android.permission.BODY_SENSORS`. It will not be returned by `SensorManager.getSensorsList` nor `SensorManager.getDefaultSensor` if the application doesn't have this permission.

Constant Value: 21 (0x00000015)

### TYPE_HINGE_ANGLE

    public static final int TYPE_HINGE_ANGLE

A constant describing a hinge angle sensor. See `SensorEvent.values` for more details.

Constant Value: 36 (0x00000024)

### TYPE_LIGHT

    public static final int TYPE_LIGHT

A constant describing a light sensor type.

See `SensorEvent.values` for more details.

Constant Value: 5 (0x00000005)

### TYPE_LINEAR_ACCELERATION

    public static final int TYPE_LINEAR_ACCELERATION

A constant describing a linear acceleration sensor type.

See `SensorEvent.values` for more details.

Constant Value: 10 (0x0000000a)

### TYPE_LOW_LATENCY_OFFBODY_DETECT

    public static final int TYPE_LOW_LATENCY_OFFBODY_DETECT

A constant describing a low latency off-body detect sensor. See `SensorEvent.values` for more details.

Constant Value: 34 (0x00000022)

### TYPE_MAGNETIC_FIELD

    public static final int TYPE_MAGNETIC_FIELD

A constant describing a magnetic field sensor type.

See `SensorEvent.values` for more details.

Constant Value: 2 (0x00000002)

### TYPE_MAGNETIC_FIELD_UNCALIBRATED

    public static final int TYPE_MAGNETIC_FIELD_UNCALIBRATED

A constant describing an uncalibrated magnetic field sensor type.

Similar to `TYPE_MAGNETIC_FIELD` but the hard iron calibration (device calibration due to distortions that arise from magnetized iron, steel or permanent magnets on the device) is not considered in the given sensor values. However, such hard iron bias values are returned to you separately in the result `SensorEvent.values` so you may use them for custom calibrations.

Also, no periodic calibration is performed (i.e. there are no discontinuities in the data stream while using this sensor) and assumptions that the magnetic field is due to the Earth's poles is avoided, but factory calibration and temperature compensation have been performed.

See `SensorEvent.values` for more details.

Constant Value: 14 (0x0000000e)

### TYPE_MOTION_DETECT

    public static final int TYPE_MOTION_DETECT

A constant describing a motion detect sensor. See `SensorEvent.values` for more details.

Constant Value: 30 (0x0000001e)

### TYPE_ORIENTATION

    public static final int TYPE_ORIENTATION

This constant is deprecated.
use `SensorManager.getOrientation()` instead.

A constant describing an orientation sensor type.

See `SensorEvent.values` for more details.

Constant Value: 3 (0x00000003)

### TYPE_POSE_6DOF

    public static final int TYPE_POSE_6DOF

A constant describing a pose sensor with 6 degrees of freedom. Similar to `TYPE_ROTATION_VECTOR`, with additional delta translation from an arbitrary reference point. See `SensorEvent.values` for more details. Can use camera, depth sensor etc to compute output value. This is expected to be a high power sensor and expected only to be used when the screen is on. Expected to be more accurate than the rotation vector alone.

Constant Value: 28 (0x0000001c)

### TYPE_PRESSURE

    public static final int TYPE_PRESSURE

A constant describing a pressure sensor type.

See `SensorEvent.values` for more details.

Constant Value: 6 (0x00000006)

### TYPE_PROXIMITY

    public static final int TYPE_PROXIMITY

A constant describing a proximity sensor type. This is a wake up sensor.

See `SensorEvent.values` for more details.

See also:

- `isWakeUpSensor()`

Constant Value: 8 (0x00000008)

### TYPE_RELATIVE_HUMIDITY

    public static final int TYPE_RELATIVE_HUMIDITY

A constant describing a relative humidity sensor type.

See `SensorEvent.values` for more details.

Constant Value: 12 (0x0000000c)

### TYPE_ROTATION_VECTOR

    public static final int TYPE_ROTATION_VECTOR

A constant describing a rotation vector sensor type.

See `SensorEvent.values` for more details.

Constant Value: 11 (0x0000000b)

### TYPE_SIGNIFICANT_MOTION

    public static final int TYPE_SIGNIFICANT_MOTION

A constant describing a significant motion trigger sensor.

It triggers when an event occurs and then automatically disables itself. The sensor continues to operate while the device is asleep and will automatically wake the device to notify when significant motion is detected. The application does not need to hold any wake locks for this sensor to trigger. This is a wake up sensor.

See `TriggerEvent` for more details.

See also:

- `isWakeUpSensor()`

Constant Value: 17 (0x00000011)

### TYPE_STATIONARY_DETECT

    public static final int TYPE_STATIONARY_DETECT

A constant describing a stationary detect sensor. See `SensorEvent.values` for more details.

Constant Value: 29 (0x0000001d)

### TYPE_STEP_COUNTER

    public static final int TYPE_STEP_COUNTER

A constant describing a step counter sensor.

A sensor of this type returns the number of steps taken by the user since the last reboot while activated. The value is returned as a float (with the fractional part set to zero) and is reset to zero only on a system reboot. The timestamp of the event is set to the time when the last step for that event was taken. This sensor is implemented in hardware and is expected to be low power. If you want to continuously track the number of steps over a long period of time, do NOT unregister for this sensor, so that it keeps counting steps in the background even when the AP is in suspend mode and report the aggregate count when the AP is awake. Application needs to stay registered for this sensor because step counter does not count steps if it is not activated. This sensor is ideal for fitness tracking applications. It is defined as an `Sensor#REPORTING_MODE_ON_CHANGE` sensor.

This sensor requires permission `android.permission.ACTIVITY_RECOGNITION`.

See `SensorEvent.values` for more details.

Constant Value: 19 (0x00000013)

### TYPE_STEP_DETECTOR

    public static final int TYPE_STEP_DETECTOR

A constant describing a step detector sensor.

A sensor of this type triggers an event each time a step is taken by the user. The only allowed value to return is 1.0 and an event is generated for each step. Like with any other event, the timestamp indicates when the event (here the step) occurred, this corresponds to when the foot hit the ground, generating a high variation in acceleration. This sensor is only for detecting every individual step as soon as it is taken, for example to perform dead reckoning. If you only need aggregate number of steps taken over a period of time, register for `TYPE_STEP_COUNTER` instead. It is defined as a `Sensor#REPORTING_MODE_SPECIAL_TRIGGER` sensor.

This sensor requires permission `android.permission.ACTIVITY_RECOGNITION`.

See `SensorEvent.values` for more details.

Constant Value: 18 (0x00000012)

### TYPE_TEMPERATURE

    public static final int TYPE_TEMPERATURE

This constant is deprecated.
use `Sensor.TYPE_AMBIENT_TEMPERATURE` instead.

A constant describing a temperature sensor type

Constant Value: 7 (0x00000007)

## Public methods

### getFifoMaxEventCount

    public int getFifoMaxEventCount ()

Returns
`int` | Maximum number of events of this sensor that could be batched. If this value is zero it indicates that batch mode is not supported for this sensor. If other applications registered to batched sensors, the actual number of events that can be batched might be smaller because the hardware FiFo will be partially used to batch the other sensors.

### getFifoReservedEventCount

    public int getFifoReservedEventCount ()

Returns
`int` | Number of events reserved for this sensor in the batch mode FIFO. This gives a guarantee on the minimum number of events that can be batched.

### getHighestDirectReportRateLevel

    public int getHighestDirectReportRateLevel ()

Get the highest supported direct report mode rate level of the sensor.

Returns
`int` | Highest direct report rate level of this sensor. Note that if the app does not have the `Manifest.permission.HIGH_SAMPLING_RATE_SENSORS` permission, the highest direct report rate level is `SensorDirectChannel#RATE_NORMAL`. If the sensor does not support direct report mode, this returns `SensorDirectChannel#RATE_STOP`. Value is either `0` or a combination of `SensorDirectChannel.RATE_STOP`, `SensorDirectChannel.RATE_NORMAL`, `SensorDirectChannel.RATE_FAST`, and `SensorDirectChannel.RATE_VERY_FAST`

See also:

- `SensorDirectChannel.RATE_STOP`
- `SensorDirectChannel.RATE_NORMAL`
- `SensorDirectChannel.RATE_FAST`
- `SensorDirectChannel.RATE_VERY_FAST`

### getId

    public int getId ()

Returns
`int` | The sensor id that will be unique for the same app unless the device is factory reset. Return value of 0 means this sensor does not support this function; return value of -1 means this sensor can be uniquely identified in system by combination of its type and name.

### getMaxDelay

    public int getMaxDelay ()

This value is defined only for continuous and on-change sensors. It is the delay between two sensor events corresponding to the lowest frequency that this sensor supports. When lower frequencies are requested through registerListener() the events will be generated at this frequency instead. It can be used to estimate when the batch FIFO may be full. Older devices may set this value to zero. Ignore this value in case it is negative or zero.

Returns
`int` | The max delay for this sensor in microseconds.

### getMaximumRange

    public float getMaximumRange ()

Returns
`float` | maximum range of the sensor in the sensor's unit.

### getMinDelay

    public int getMinDelay ()

Returns
`int` | the minimum delay allowed between two events in microseconds or zero if this sensor only returns a value when the data it's measuring changes. Note that if the app does not have the `Manifest.permission.HIGH_SAMPLING_RATE_SENSORS` permission, the minimum delay is capped at 5000 microseconds (200 Hz).

### getName

    public String getName ()

Returns
`String` | name string of the sensor. The name is guaranteed to be unique for a particular sensor type.

### getPower

    public float getPower ()

Returns
`float` | the power in mA used by this sensor while in use

### getReportingMode

    public int getReportingMode ()

Each sensor has exactly one reporting mode associated with it. This method returns the reporting mode constant for this sensor type.

Returns
`int` | Reporting mode for the input sensor, one of REPORTING_MODE_* constants.

See also:

- `REPORTING_MODE_CONTINUOUS`
- `REPORTING_MODE_ON_CHANGE`
- `REPORTING_MODE_ONE_SHOT`
- `REPORTING_MODE_SPECIAL_TRIGGER`

### getResolution

    public float getResolution ()

Returns
`float` | resolution of the sensor in the sensor's unit.

### getStringType

    public String getStringType ()

Returns
`String` | The type of this sensor as a string.

### getType

    public int getType ()

Returns
`int` | generic type of this sensor.

### getVendor

    public String getVendor ()

Returns
`String` | vendor string of this sensor.

### getVersion

    public int getVersion ()

Returns
`int` | version of the sensor's module.

### isAdditionalInfoSupported

    public boolean isAdditionalInfoSupported ()

Returns true if the sensor supports sensor additional information API

Returns
`boolean` | `true` if the sensor supports sensor additional information API

See also:

- `SensorAdditionalInfo`

### isDirectChannelTypeSupported

    public boolean isDirectChannelTypeSupported (int sharedMemType)

Test if a sensor supports a specified direct channel type.

Parameters
`sharedMemType` | `int`: type of shared memory used by direct channel. Value is either `0` or a combination of `SensorDirectChannel.TYPE_MEMORY_FILE`, and `SensorDirectChannel.TYPE_HARDWARE_BUFFER`

Returns
`boolean` | `true` if the specified shared memory type is supported.

See also:

- `SensorDirectChannel.TYPE_MEMORY_FILE`
- `SensorDirectChannel.TYPE_HARDWARE_BUFFER`

### isDynamicSensor

    public boolean isDynamicSensor ()

Returns true if the sensor is a dynamic sensor.

Returns
`boolean` | `true` if the sensor is a dynamic sensor (sensor added at runtime).

See also:

- `SensorManager.DynamicSensorCallback`

### isWakeUpSensor

    public boolean isWakeUpSensor ()

Returns true if the sensor is a wake-up sensor.

Application Processor Power modes

Application Processor(AP), is the processor on which applications run. When no wake lock is held and the user is not interacting with the device, this processor can enter a “Suspend” mode, reducing the power consumption by 10 times or more.

Non-wake-up sensors

Non-wake-up sensors are sensors that do not wake the AP out of suspend to report data. While the AP is in suspend mode, the sensors continue to function and generate events, which are put in a hardware FIFO. The events in the FIFO are delivered to the application when the AP wakes up. If the FIFO was too small to store all events generated while the AP was in suspend mode, the older events are lost: the oldest data is dropped to accommodate the newer data. In the extreme case where the FIFO is non-existent `maxFifoEventCount() == 0`, all events generated while the AP was in suspend mode are lost. Applications using non-wake-up sensors should usually:

- Either unregister from the sensors when they do not need them, usually in the activity’s `onPause` method. This is the most common case.
- Or realize that the sensors are consuming some power while the AP is in suspend mode and that even then, some events might be lost.

Wake-up sensors

In opposition to non-wake-up sensors, wake-up sensors ensure that their data is delivered independently of the state of the AP. While the AP is awake, the wake-up sensors behave like non-wake-up-sensors. When the AP is asleep, wake-up sensors wake up the AP to deliver events. That is, the AP will wake up and the sensor will deliver the events before the maximum reporting latency is elapsed or the hardware FIFO gets full. See `SensorManager.registerListener(android.hardware.SensorEventListener, android.hardware.Sensor, int, int)` for more details.

Returns
`boolean` | `true` if this is a wake-up sensor, `false` otherwise.

### toString

    public String toString ()

Returns a string representation of the object. In general, the `toString` method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The `toString` method for class `Object` returns a string consisting of the name of the class of which the object is an instance, the at-sign character ``@`', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

>      getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String` | a string representation of the object.

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