खास जानकारी

fun triggerVibrationMultiChannel(
  deviceId: Int, leftIntensity: Int, leftDuration: Int,
  rightIntensity: Int, rightDuration: Int) {
  val inputDevice = InputDevice.getDevice(deviceId)
  val vibratorManager = inputDevice!!.vibratorManager
  if (vibratorManager != null) {
    val vibratorIds = vibratorManager.vibratorIds
    val vibratorCount = vibratorIds.size
    if (vibratorCount > 0) {
      // We have an assumption that game controllers have two vibrators
      // corresponding to a left motor and a right motor, and the left
      // motor will be first.
      updateVibrator(vibratorManager.getVibrator(vibratorIds[0]), leftIntensity, leftDuration)
      if (vibratorCount > 1) {
        updateVibrator(vibratorManager.getVibrator(vibratorIds[1]), rightIntensity, rightDuration)
      }
    }
  }
}

fun updateVibrator(vibrator: Vibrator?, intensity: Int, duration: Int) {
  if (vibrator != null) {
    if (intensity == 0) {
      vibrator.cancel()
    } else if (duration > 0) {
      vibrator.vibrate(VibrationEffect.createOneShot(duration.toLong(), intensity))
    }
  }
}

<application ...>
  ...
  <uses-feature android:name="android.hardware.gamepad" android:required="true"/>
  <uses-permission android:name="android.permission.VIBRATE"/>
  ...
</application>

fun setIntegratedAccelerometerActive(deviceId: Int) {
  val device = InputDevice.getDevice(deviceId)
  val sensorManager = device?.sensorManager
  val accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
  if (accelerometer != null) {
    val accelerometerListener =
      GameControllerAccelerometerListener(accelerometer)
    sensorManager.registerListener(
      accelerometerListener, accelerometer,
      SensorManager.SENSOR_DELAY_GAME
    )
  }
}

fun setIntegratedGyroscopeActive(deviceId: Int) {
  val device = InputDevice.getDevice(deviceId)
  val sensorManager = device?.sensorManager
  val gyroscope = sensorManager?.getDefaultSensor(Sensor.TYPE_GYROSCOPE)
  if (gyroscope != null) {
    val gyroscopeListener = GameControllerGyroscopeListener(gyroscope)
    sensorManager.registerListener(
      gyroscopeListener, gyroscope,
      SensorManager.SENSOR_DELAY_GAME
    )
  }
}

class GameControllerAccelerometerListener(private val listenerAccelerometer: Sensor?) :
  SensorEventListener {
  override fun onSensorChanged(event: SensorEvent) {
    if (listenerAccelerometer != null) {
      synchronized(listenerAccelerometer) {
        if (event.sensor == listenerAccelerometer) {
          Log.d("Accelerometer",
            "onSensorChanged " + event.values[0] + ", "
            + event.values[1] + ", " + event.values[2])
        }
      }
    }
  }

  override fun onAccuracyChanged(sensor: Sensor, accuracy: Int) {
  }
}

class GameControllerGyroscopeListener(private val listenerGyroscope: Sensor?) :
  SensorEventListener {
  override fun onSensorChanged(event: SensorEvent) {
    if (listenerGyroscope != null) {
      synchronized(listenerGyroscope) {
        if (event.sensor == listenerGyroscope) {
          Log.d("Gyroscope",
            "onSensorChanged " + event.values[0] + ", " +
            event.values[1] + ", " + event.values[2])
        }
      }
    }
  }

  override fun onAccuracyChanged(sensor: Sensor, accuracy: Int) {
  }
}

fun changeControllerLightColor(deviceId: Int, color: Int) {
  val device = InputDevice.getDevice(deviceId)
  device?.let {
    if (it.sources and InputDevice.SOURCE_JOYSTICK == InputDevice.SOURCE_JOYSTICK) {
      val lightsManager = device.lightsManager
      lightsManager?.let { manager ->
        manager.lights.forEach { light ->
          val stateBuilder = LightState.Builder()
          stateBuilder.setColor(color)
          val requestBuilder = LightsRequest.Builder()
          requestBuilder.addLight(light, stateBuilder.build())
          val lightsSession = lightsManager.openSession()
          lightsSession.requestLights(requestBuilder.build())
        }
      }
    }
  }
}

<application ...>
  ...
  <uses-feature android:name="android.hardware.gamepad" android:required="true"/>
  <uses-permission android:name="android.permission.LIGHTS" />
  ...
</application>