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2014/10/16 ¤W¤È 08:23:40
android Programming Glossary: sensoreventHow 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 direction share improve this question Yes. Using the SensorEventListener.onSensorChanged SensorEvent event you can determine.. Yes. Using the SensorEventListener.onSensorChanged SensorEvent event you can determine the values provided along the X Y axis... class AccelerometerExample extends Activity implements SensorEventListener TextView textView StringBuilder builder new StringBuilder..
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 import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager.. android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.opengl.Matrix.. extends Activity implements SensorEventListener public static final int KALMAN_STATE_MAX_SIZE 80 public..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch wants. public static class OrientationSensor implements SensorEventListener public final static int SENSOR_UNAVAILABLE 1 references.. 1 references to other objects SensorManager m_sm SensorEventListener m_parent non null if this class should call its parent.. m_pitch_radians public OrientationSensor SensorManager sm SensorEventListener parent m_sm sm m_parent parent m_activity null m_NormGravityVector..
http://stackoverflow.com/questions/2143102/accelerometer-stops-delivering-samples-when-the-screen-is-off-on-droid-nexus-one code that extends a service and records onSensorChanged SensorEvent event accelerometer sensor readings on Android. I would like.. public class ShakeWakeupService extends Service implements SensorEventListener private Context mContext SensorManager mSensorEventManager.. private Context mContext SensorManager mSensorEventManager Sensor mSensor BroadcastReceiver for handling ACTION_SCREEN_OFF...
http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it but Eclipse tells me it's deprecated and suggest SensorEventListener. Anybody that has a nice guide to how I go about creating.. last acceleration including gravity private final SensorEventListener mSensorListener new SensorEventListener public void.. private final SensorEventListener mSensorListener new SensorEventListener public void onSensorChanged SensorEvent se float x se.values..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl to calculate the rotation angles from the data you get in SensorEventListener.onSensorChanged . I really hope you can complete my.. SensorToOpenGlTests extends Activity implements Renderer SensorEventListener private static final boolean TRY_TRANSPOSED_VERSION.. Sensor sensor int accuracy public void onSensorChanged SensorEvent event load the new values loadNewSensorData event if MODUS 1..
Different values between sensors TYPE_ACCELEROMETER/TYPE_MAGNETIC_FIELD and TYPE_ORIENTATION http://stackoverflow.com/questions/4174389/different-values-between-sensors-type-accelerometer-type-magnetic-field-and-type aValues new float 3 mValues new float 3 sensorListener new SensorEventListener public void onSensorChanged SensorEvent event switch.. new SensorEventListener public void onSensorChanged SensorEvent event switch event.sensor.getType case Sensor.TYPE_ACCELEROMETER..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass the information from these two sensors so that whenever a SensorEvent of TYPE_ORIENTATION is generated the values 3 array has values.. seems you need to register a listener with the system for SensorEvent s of type TYPE_MAGNETIC_FIELD . The event's value array needs.. World's coordinate system B Coordinate system used by the SensorEvent API. C SensorManager.getOrientation .. method figure So my understanding..
Transforming accelerometer's data from device's coordinates to real world coordinates http://stackoverflow.com/questions/5464847/transforming-accelerometers-data-from-devices-coordinates-to-real-world-coordi is some code with what I've implemented so far private SensorEventListener mSensorEventListener new SensorEventListener public.. what I've implemented so far private SensorEventListener mSensorEventListener new SensorEventListener public void onAccuracyChanged.. far private SensorEventListener mSensorEventListener new SensorEventListener public void onAccuracyChanged Sensor sensor int accuracy..
android compass seems unreliable http://stackoverflow.com/questions/6256256/android-compass-seems-unreliable greatly appreciated Heres my on sensor changed code in my SensorEventListener class public void onSensorChanged SensorEvent event.. my SensorEventListener class public void onSensorChanged SensorEvent event If the sensor data is unreliable return if event.accuracy..
how to calculate phone's movement in the vertical direction from rest? http://stackoverflow.com/questions/6291110/how-to-calculate-phones-movement-in-the-vertical-direction-from-rest in the video. See Sensor.TYPE_LINEAR_ACCELERATION at SensorEvent . I would first try a high pass filter to detect sudden increase..
Moving an image using Accelerometer of android http://stackoverflow.com/questions/6457768/moving-an-image-using-accelerometer-of-android import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager.. android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.os.Bundle.. public class Accelerometer extends Activity implements SensorEventListener Called when the activity is first created. CustomDrawableView..
Android TYPE_LINEAR_ACCELERATION sensor - what does it show? http://stackoverflow.com/questions/7858759/android-type-linear-acceleration-sensor-what-does-it-show does little test public class Accelerometer implements SensorEventListener ... public void onSensorChanged SensorEvent se if active.. SensorEventListener ... public void onSensorChanged SensorEvent se if active return lastX se.values SensorManager.DATA_X lastY..
Android accelerometer not working when screen is turned off http://stackoverflow.com/questions/9982433/android-accelerometer-not-working-when-screen-is-turned-off e.getMessage @Override public void onSensorChanged SensorEvent event Log.d accelerometer event received xyz event.values 0..
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 accurate direction. Thanks android accelerometer movement direction share improve this question Yes. Using the SensorEventListener.onSensorChanged SensorEvent event you can determine the values provided along the X Y axis. You would need to record.. accelerometer movement direction share improve this question Yes. Using the SensorEventListener.onSensorChanged SensorEvent event you can determine the values provided along the X Y axis. You would need to record these values and then compare them.. Here's a quick code example of what I'm talking about public class AccelerometerExample extends Activity implements SensorEventListener TextView textView StringBuilder builder new StringBuilder float history new float 2 String direction NONE NONE @Override..
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 at all. Please find my code below import android.app.Activity import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.opengl.Matrix import android.os.Bundle.. import android.app.Activity import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.opengl.Matrix import android.os.Bundle import android.view.View.. gathering magnetic field statistics. public class MagneticFieldStatisticsGatheringActivity extends Activity implements SensorEventListener public static final int KALMAN_STATE_MAX_SIZE 80 public static final double MEASUREMENT_NOISE 5 Sensor manager...
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch one would need to define carefully what behaviour one wants. public static class OrientationSensor implements SensorEventListener public final static int SENSOR_UNAVAILABLE 1 references to other objects SensorManager m_sm SensorEventListener.. SensorEventListener public final static int SENSOR_UNAVAILABLE 1 references to other objects SensorManager m_sm SensorEventListener m_parent non null if this class should call its parent after onSensorChanged ... and onAccuracyChanged ... notifications.. angle which defines the axis for the rotation m_pitch_radians public OrientationSensor SensorManager sm SensorEventListener parent m_sm sm m_parent parent m_activity null m_NormGravityVector m_NormMagFieldValues null m_NormEastVector new..
http://stackoverflow.com/questions/2143102/accelerometer-stops-delivering-samples-when-the-screen-is-off-on-droid-nexus-one is off on Droid Nexus One even with a WakeLock I have some code that extends a service and records onSensorChanged SensorEvent event accelerometer sensor readings on Android. I would like to be able to record these sensor readings even when the device.. there are a few bugs in his tutorial presented code public class ShakeWakeupService extends Service implements SensorEventListener private Context mContext SensorManager mSensorEventManager Sensor mSensor BroadcastReceiver for handling ACTION_SCREEN_OFF... public class ShakeWakeupService extends Service implements SensorEventListener private Context mContext SensorManager mSensorEventManager Sensor mSensor BroadcastReceiver for handling ACTION_SCREEN_OFF. public BroadcastReceiver mReceiver new BroadcastReceiver..
http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it All I find of documentation involves implementing the SensorListener but Eclipse tells me it's deprecated and suggest SensorEventListener. Anybody that has a nice guide to how I go about creating this shake controller android accelerometer shake share.. current acceleration including gravity private float mAccelLast last acceleration including gravity private final SensorEventListener mSensorListener new SensorEventListener public void onSensorChanged SensorEvent se float x se.values 0 float y se.values.. private float mAccelLast last acceleration including gravity private final SensorEventListener mSensorListener new SensorEventListener public void onSensorChanged SensorEvent se float x se.values 0 float y se.values 1 float z se.values 2 mAccelLast..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl DroidAR framework I have written a TestSuite to find out how to calculate the rotation angles from the data you get in SensorEventListener.onSensorChanged . I really hope you can complete my solution to help people who will have the same problems like.. SensorManager API to draw a 3D compass. public class SensorToOpenGlTests extends Activity implements Renderer SensorEventListener private static final boolean TRY_TRANSPOSED_VERSION false MODUS overview 1 unbufferd data directly transfaired from.. indices indexBuffer.position 0 public void onAccuracyChanged Sensor sensor int accuracy public void onSensorChanged SensorEvent event load the new values loadNewSensorData event if MODUS 1 SensorManager.getRotationMatrix rotationMatrix null accelGData..
Different values between sensors TYPE_ACCELEROMETER/TYPE_MAGNETIC_FIELD and TYPE_ORIENTATION http://stackoverflow.com/questions/4174389/different-values-between-sensors-type-accelerometer-type-magnetic-field-and-type values but with decimals right I have the following code aValues new float 3 mValues new float 3 sensorListener new SensorEventListener public void onSensorChanged SensorEvent event switch event.sensor.getType case Sensor.TYPE_ACCELEROMETER aValues.. code aValues new float 3 mValues new float 3 sensorListener new SensorEventListener public void onSensorChanged SensorEvent event switch event.sensor.getType case Sensor.TYPE_ACCELEROMETER aValues event.values.clone break case Sensor.TYPE_MAGNETIC_FIELD..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass its virtual needle points to magnetic north. Android merges the information from these two sensors so that whenever a SensorEvent of TYPE_ORIENTATION is generated the values 3 array has values 0 Azimuth the compass bearing east of magnetic north values.. not sure why they deprecated this type of sensor as now it seems you need to register a listener with the system for SensorEvent s of type TYPE_MAGNETIC_FIELD . The event's value array needs to bepassed into SensorManger.getRotationMatrix .. method.. .. method figure and represents the World's coordinate system B Coordinate system used by the SensorEvent API. C SensorManager.getOrientation .. method figure So my understanding is that A represents the world's coordinate system..
Transforming accelerometer's data from device's coordinates to real world coordinates http://stackoverflow.com/questions/5464847/transforming-accelerometers-data-from-devices-coordinates-to-real-world-coordi I haven't come up with anything functional. By the way here is some code with what I've implemented so far private SensorEventListener mSensorEventListener new SensorEventListener public void onAccuracyChanged Sensor sensor int accuracy public void.. with anything functional. By the way here is some code with what I've implemented so far private SensorEventListener mSensorEventListener new SensorEventListener public void onAccuracyChanged Sensor sensor int accuracy public void onSensorChanged SensorEvent.. By the way here is some code with what I've implemented so far private SensorEventListener mSensorEventListener new SensorEventListener public void onAccuracyChanged Sensor sensor int accuracy public void onSensorChanged SensorEvent event switch event.sensor.getType..
android compass seems unreliable http://stackoverflow.com/questions/6256256/android-compass-seems-unreliable that I am not seeing. Any insight or suggestions would be greatly appreciated Heres my on sensor changed code in my SensorEventListener class public void onSensorChanged SensorEvent event If the sensor data is unreliable return if event.accuracy SensorManager.SENSOR_STATUS_UNRELIABLE.. be greatly appreciated Heres my on sensor changed code in my SensorEventListener class public void onSensorChanged SensorEvent event If the sensor data is unreliable return if event.accuracy SensorManager.SENSOR_STATUS_UNRELIABLE Toast.makeText..
how to calculate phone's movement in the vertical direction from rest? http://stackoverflow.com/questions/6291110/how-to-calculate-phones-movement-in-the-vertical-direction-from-rest linear acceleration is available after sensor fusion as described in the video. See Sensor.TYPE_LINEAR_ACCELERATION at SensorEvent . I would first try a high pass filter to detect sudden increase in the linear acceleration along the vertical axis. I have..
Moving an image using Accelerometer of android http://stackoverflow.com/questions/6457768/moving-an-image-using-accelerometer-of-android import android.graphics.drawable.shapes.OvalShape import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.os.Bundle import android.view.View.. import android.hardware.Sensor import android.hardware.SensorEvent import android.hardware.SensorEventListener import android.hardware.SensorManager import android.os.Bundle import android.view.View import android.widget.TextView.. import android.view.View import android.widget.TextView public class Accelerometer extends Activity implements SensorEventListener Called when the activity is first created. CustomDrawableView mCustomDrawableView null ShapeDrawable mDrawable new..
Android TYPE_LINEAR_ACCELERATION sensor - what does it show? http://stackoverflow.com/questions/7858759/android-type-linear-acceleration-sensor-what-does-it-show device. BUT in real life.. I made simply application that does little test public class Accelerometer implements SensorEventListener ... public void onSensorChanged SensorEvent se if active return lastX se.values SensorManager.DATA_X lastY se.values.. that does little test public class Accelerometer implements SensorEventListener ... public void onSensorChanged SensorEvent se if active return lastX se.values SensorManager.DATA_X lastY se.values SensorManager.DATA_Y lastZ se.values SensorManager.DATA_Z..
Android accelerometer not working when screen is turned off http://stackoverflow.com/questions/9982433/android-accelerometer-not-working-when-screen-is-turned-off e run false Log.d Accelerometer service interrupted 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..
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