Question:

There are four Java classes related to the use of sensors on the Android platform. List them and explain the purpose of each.

Answer:

The four Java classes related to the use of sensors on the Android platform areL

  • Sensor: Provides methods to identify which capabilities are available for a specific sensor.
  • SensorManager: Provides methods for registering sensor event listeners and calibrating sensors.
  • SensorEvent: Provides raw sensor data, including information regarding accuracy.
  • SensorEventListener: Interface that defines callback methods that will receive sensor event notifications.

To learn more about sensors, refer to Android developer’s guide.


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