The simplest is to do a moving average of your data. That is, to keep an array of sensor data readings and average them. Something like this (pseudocode): data_X = [0,0,0,0,0]; function read_X () { data_X.delete_first_element(); data_X.push(get_sensor_data_X()); return average(data_X); } There is a trade-off when doing this. The larger the array you use, the smoother … Read more
Definitely work with the accelerometer: // Start with some variables private SensorManager sensorMan; private Sensor accelerometer; private float[] mGravity; private float mAccel; private float mAccelCurrent; private float mAccelLast; // In onCreate method sensorMan = (SensorManager)getSystemService(SENSOR_SERVICE); accelerometer = sensorMan.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); mAccel = 0.00f; mAccelCurrent = SensorManager.GRAVITY_EARTH; mAccelLast = SensorManager.GRAVITY_EARTH; // And these: @Override public void onResume() { … Read more
Very interesting question!!!! I’m developing somethig similar to your application. What i found about TYPE_LINEAR_ACCELERATION isn’t happy for me. 1) TYPE_LINEAR_ACCELERATION, TYPE_GRAVITY, ecc are implemented only for Android 2.3 (and up) So i have Android 2.2 and i can’t test them. 2) TYPE_LINEAR_ACCELERATION isn’t so accurate as it would be, because there are some simple … Read more
TL;DR, see the code and picture at the bottom. I think a Kalman filter could work quite well in your application, but it will require a little more thinking about the dynamics/physics of the kite. I would strongly recommend reading this webpage. I have no connection to, or knowledge of the author, but I spent … Read more
I couldn’t test the code yet (but I will, looks really interesting). One thing that caught my attention is that you don’t seem to filter the sensor data in any way. Sensor readings are very noisy by nature, specially the magnetic sensor. I’d suggest you implement some low pass filtering. See my previous answer for … Read more
Basically, it is a problem with my phone. Other users have reported this also happens with their phones, from different brands but same Android version. Other persons have no problem at all – strongly indicating that this is not a problem with the stock version of android but from the implementations of each company for … Read more