android Programming Glossary: event.values

How can I get the direction of movement using an accelerometer?

http://stackoverflow.com/questions/10476625/how-can-i-get-the-direction-of-movement-using-an-accelerometer

onSensorChanged SensorEvent event float xChange history 0 event.values 0 float yChange history 1 event.values 1 history 0 event.values.. xChange history 0 event.values 0 float yChange history 1 event.values 1 history 0 event.values 0 history 1 event.values 1 if xChange.. 0 float yChange history 1 event.values 1 history 0 event.values 0 history 1 event.values 1 if xChange 2 direction 0 LEFT else..

Convert magnetic field X, Y, Z values from device into global reference frame

http://stackoverflow.com/questions/15315129/convert-magnetic-field-x-y-z-values-from-device-into-global-reference-frame

system. Thus even though m does not change but the event.values returns by the sensors are different because the basis is different.. different I will talk about fluctuation later . As is the event.values are useless because it gives us the coordinates but we do not.. system is just the product of the rotation matrix and the event.values returned by the TYPE_MAGNETIC_FIELD sensor and similarly for..

Acclerometer Sensor in Separate Thread

http://stackoverflow.com/questions/17513352/acclerometer-sensor-in-separate-thread

Auto generated method stub double Acceleration x y z x event.values 0 y event.values 2 z event.values 2 Acceleration Math.sqrt.. stub double Acceleration x y z x event.values 0 y event.values 2 z event.values 2 Acceleration Math.sqrt x x y y z z db.addAccel.. Acceleration x y z x event.values 0 y event.values 2 z event.values 2 Acceleration Math.sqrt x x y y z z db.addAccel Acceleration..

android device angle to vertical axis

http://stackoverflow.com/questions/7261732/android-device-angle-to-vertical-axis

public void onSensorChanged SensorEvent event azimuth event.values 0 azimuth pitch event.values 1 pitch roll event.values 2 roll.. SensorEvent event azimuth event.values 0 azimuth pitch event.values 1 pitch roll event.values 2 roll code to deal with orientation.. event.values 0 azimuth pitch event.values 1 pitch roll event.values 2 roll code to deal with orientation changes pitch is the angle..

Android: How to use SensorManager.getAltitude(float p0, float p)?

http://stackoverflow.com/questions/7411114/android-how-to-use-sensormanager-getaltitudefloat-p0-float-p

public void onSensorChanged SensorEvent event presure event.values 0 float altitude getAltitude SensorManager.PRESSURE_STANDARD_ATMOSPHERE..

Rotating an ImageView like a compass (with the “north pole” set elsewhere)

http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere

we break out if LocationObj null return float azimuth event.values 0 float baseAzimuth azimuth GeomagneticField geoField new GeomagneticField.. we break out if LocationObj null return float azimuth event.values 0 float baseAzimuth azimuth GeomagneticField geoField new GeomagneticField..

Android accelerometer not working when screen is turned off

http://stackoverflow.com/questions/9982433/android-accelerometer-not-working-when-screen-is-turned-off

SensorEvent event Log.d accelerometer event received xyz event.values 0 event.values 1 event.values 2 which indeed makes the onSensorChange.. Log.d accelerometer event received xyz event.values 0 event.values 1 event.values 2 which indeed makes the onSensorChange be called.. event received xyz event.values 0 event.values 1 event.values 2 which indeed makes the onSensorChange be called every time..

How can I get the direction of movement using an accelerometer?

http://stackoverflow.com/questions/10476625/how-can-i-get-the-direction-of-movement-using-an-accelerometer

SensorManager.SENSOR_DELAY_GAME @Override public void onSensorChanged SensorEvent event float xChange history 0 event.values 0 float yChange history 1 event.values 1 history 0 event.values 0 history 1 event.values 1 if xChange 2 direction 0 LEFT.. @Override public void onSensorChanged SensorEvent event float xChange history 0 event.values 0 float yChange history 1 event.values 1 history 0 event.values 0 history 1 event.values 1 if xChange 2 direction 0 LEFT else if xChange 2 direction 0 RIGHT .. SensorEvent event float xChange history 0 event.values 0 float yChange history 1 event.values 1 history 0 event.values 0 history 1 event.values 1 if xChange 2 direction 0 LEFT else if xChange 2 direction 0 RIGHT if yChange 2 direction 1..

Convert magnetic field X, Y, Z values from device into global reference frame

http://stackoverflow.com/questions/15315129/convert-magnetic-field-x-y-z-values-from-device-into-global-reference-frame

of time x t y t z t in mathematics term it is a moving coordinate system. Thus even though m does not change but the event.values returns by the sensors are different because the basis is different I will talk about fluctuation later . As is the event.values.. returns by the sensors are different because the basis is different I will talk about fluctuation later . As is the event.values are useless because it gives us the coordinates but we do not know what the basis is i.e with respect to some basis we know... the coordinates of m with respect to the world coordinates system is just the product of the rotation matrix and the event.values returned by the TYPE_MAGNETIC_FIELD sensor and similarly for a . In android the rotation matrix is obtained by calling getRotationMatrix..

Acclerometer Sensor in Separate Thread

http://stackoverflow.com/questions/17513352/acclerometer-sensor-in-separate-thread

public void onSensorChanged SensorEvent event TODO Auto generated method stub double Acceleration x y z x event.values 0 y event.values 2 z event.values 2 Acceleration Math.sqrt x x y y z z db.addAccel Acceleration Log.d MESSAGE SAVED.. onSensorChanged SensorEvent event TODO Auto generated method stub double Acceleration x y z x event.values 0 y event.values 2 z event.values 2 Acceleration Math.sqrt x x y y z z db.addAccel Acceleration Log.d MESSAGE SAVED @Override public.. SensorEvent event TODO Auto generated method stub double Acceleration x y z x event.values 0 y event.values 2 z event.values 2 Acceleration Math.sqrt x x y y z z db.addAccel Acceleration Log.d MESSAGE SAVED @Override public void onAccuracyChanged..

android device angle to vertical axis

http://stackoverflow.com/questions/7261732/android-device-angle-to-vertical-axis

roll public void onAccuracyChanged Sensor sensor int accuracy public void onSensorChanged SensorEvent event azimuth event.values 0 azimuth pitch event.values 1 pitch roll event.values 2 roll code to deal with orientation changes pitch is the angle between.. Sensor sensor int accuracy public void onSensorChanged SensorEvent event azimuth event.values 0 azimuth pitch event.values 1 pitch roll event.values 2 roll code to deal with orientation changes pitch is the angle between the vertical axis and.. accuracy public void onSensorChanged SensorEvent event azimuth event.values 0 azimuth pitch event.values 1 pitch roll event.values 2 roll code to deal with orientation changes pitch is the angle between the vertical axis and the device's y axis the one..

Android: How to use SensorManager.getAltitude(float p0, float p)?

http://stackoverflow.com/questions/7411114/android-how-to-use-sensormanager-getaltitudefloat-p0-float-p

Rotating an ImageView like a compass (with the “north pole” set elsewhere)

http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere

onSensorChanged SensorEvent event If we don't have a Location we break out if LocationObj null return float azimuth event.values 0 float baseAzimuth azimuth GeomagneticField geoField new GeomagneticField Double .valueOf LocationObj.getLatitude .floatValue.. onSensorChanged SensorEvent event If we don't have a Location we break out if LocationObj null return float azimuth event.values 0 float baseAzimuth azimuth GeomagneticField geoField new GeomagneticField Double .valueOf LocationObj.getLatitude .floatValue..

Android accelerometer not working when screen is turned off

http://stackoverflow.com/questions/9982433/android-accelerometer-not-working-when-screen-is-turned-off

cause e.getMessage @Override public void onSensorChanged SensorEvent event Log.d accelerometer event received xyz event.values 0 event.values 1 event.values 2 which indeed makes the onSensorChange be called every time we unregister register the listener... @Override public void onSensorChanged SensorEvent event Log.d accelerometer event received xyz event.values 0 event.values 1 event.values 2 which indeed makes the onSensorChange be called every time we unregister register the listener. The problem.. public void onSensorChanged SensorEvent event Log.d accelerometer event received xyz event.values 0 event.values 1 event.values 2 which indeed makes the onSensorChange be called every time we unregister register the listener. The problem is that the..

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