Java Sensor.TYPE_HEART_RATE属性代码示例

/**
 * Used to handle all sensors event (in our case, is step and heart pulse)
 * @param sensorEvent
 */
@Override
public void onSensorChanged(SensorEvent sensorEvent) {

    switch (sensorEvent.sensor.getType())
    {   //handle heart event
        case Sensor.TYPE_HEART_RATE :
            //add a value to the array, but only if the accuracy is at least at 1 (-1 == no contact, 3 == best contact)
            if (accuracySensorPulse<1)
                return;
            double value=sensorEvent.values[0];
            listPulse.add(value);
            break;
        case Sensor.TYPE_STEP_DETECTOR :
            //for this sensor, we juste update the value. the value is processed only once a day
            addStep(1);
            break;

    }
}
 

/**
 * Used to handle change of accuracy from the sensors. We will only check pulse accuracy
 * @param sensor
 * @param i
 */
@Override
public void onAccuracyChanged(Sensor sensor, int i) {
    //set the accuracy of the pulse snsors
    if (sensor.getType()==Sensor.TYPE_HEART_RATE)
    {
        accuracySensorPulse=i;
    }
}
 

@SuppressWarnings("deprecation")
private boolean isRestricted(XParam param, int type) throws Throwable {
	if (type == Sensor.TYPE_ALL)
		return false;
	else if (type == Sensor.TYPE_ACCELEROMETER || type == Sensor.TYPE_LINEAR_ACCELERATION) {
		if (isRestricted(param, "acceleration"))
			return true;
	} else if (type == Sensor.TYPE_GRAVITY) {
		if (isRestricted(param, "gravity"))
			return true;
	} else if (type == Sensor.TYPE_RELATIVE_HUMIDITY) {
		if (isRestricted(param, "humidity"))
			return true;
	} else if (type == Sensor.TYPE_LIGHT) {
		if (isRestricted(param, "light"))
			return true;
	} else if (type == Sensor.TYPE_MAGNETIC_FIELD || type == Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED) {
		if (isRestricted(param, "magnetic"))
			return true;
	} else if (type == Sensor.TYPE_SIGNIFICANT_MOTION) {
		if (isRestricted(param, "motion"))
			return true;
	} else if (type == Sensor.TYPE_ORIENTATION || type == Sensor.TYPE_GYROSCOPE
			|| type == Sensor.TYPE_GYROSCOPE_UNCALIBRATED) {
		if (isRestricted(param, "orientation"))
			return true;
	} else if (type == Sensor.TYPE_PRESSURE) {
		if (isRestricted(param, "pressure"))
			return true;
	} else if (type == Sensor.TYPE_PROXIMITY) {
		if (isRestricted(param, "proximity"))
			return true;
	} else if (type == Sensor.TYPE_GAME_ROTATION_VECTOR || type == Sensor.TYPE_GEOMAGNETIC_ROTATION_VECTOR
			|| type == Sensor.TYPE_ROTATION_VECTOR) {
		if (isRestricted(param, "rotation"))
			return true;
	} else if (type == Sensor.TYPE_TEMPERATURE || type == Sensor.TYPE_AMBIENT_TEMPERATURE) {
		if (isRestricted(param, "temperature"))
			return true;
	} else if (type == Sensor.TYPE_STEP_COUNTER || type == Sensor.TYPE_STEP_DETECTOR) {
		if (isRestricted(param, "step"))
			return true;
	} else if (type == Sensor.TYPE_HEART_RATE) {
		if (isRestricted(param, "heartrate"))
			return true;
	} else if (type == 22) {
		// 22 = TYPE_TILT_DETECTOR
		// Do nothing
	} else if (type == 23 || type == 24 || type == 25) {
		// 23 = TYPE_WAKE_GESTURE
		// 24 = TYPE_GLANCE_GESTURE
		// 25 = TYPE_PICK_UP_GESTURE
		// 23/24 This sensor is expected to only be used by the system ui
		// 25 Expected to be used internally for always on display
	} else
		Util.log(this, Log.WARN, "Unknown sensor type=" + type);
	return false;
}
 

@Override
public void onSensorChanged(SensorEvent sensorEvent) {

    if(sensorEvent.sensor.getType() == Sensor.TYPE_HEART_RATE && sensorEvent.values.length > 0) {

        for(Float value : sensorEvent.values) {

            int newValue = Math.round(value);

            if(currentValue != newValue) {
                currentValue = newValue;

                mTextView.setText(currentValue.toString());
                heartbeat.setDurationBasedOnBPM(currentValue);
                heartbeat.toggle();
                sendMessageToHandheld(currentValue.toString());
            }

        }

    }
}