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Input motion on Android

Provide an alternative way for actions activated by motion, to allow everyone to use the functionality. For example, for users with limited hand function, shaking is not always possible. Also make it possible to disable actions activated by motion. For example, for users with spasms, these actions could be triggered accidentally.

On Android, the SensorManager can be used in combination with SensorEventListener to detect movement.

An event through sensors should not be the only way to trigger actions. Make sure to provide a second way, such as a button, to trigger the same action.

class SensorActivity : AppCompatActivity(), SensorEventListener {

    override fun onCreate(savedInstanceState: Bundle?) {
        val sensorManager = getSystemService(Context.SENSOR_SERVICE) as SensorManager
        val sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
        sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_NORMAL)

    override fun onSensorChanged(event: SensorEvent?) {
        // Add alternative


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