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[CB-463] added accuracy checking to native accel implementation, this way getCurrentAcceleration returns fairly accurate results

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Fil Maj 2012-05-14 15:21:41 -07:00
parent 24adc6d00c
commit cb98bbce1f
1 changed files with 26 additions and 10 deletions
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36
framework/src/org/apache/cordova/AccelListener.java
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@ -54,6 +54,7 @@ public class AccelListener extends Plugin implements SensorEventListener {
private float x,y,z; // most recent acceleration values
private long timestamp; // time of most recent value
private int status; // status of listener
private int accuracy = SensorManager.SENSOR_STATUS_UNRELIABLE;
private SensorManager sensorManager; // Sensor manager
private Sensor mSensor; // Acceleration sensor returned by sensor manager
@ -184,7 +185,7 @@ public class AccelListener extends Plugin implements SensorEventListener {
// If found, then register as listener
if ((list != null) && (list.size() > 0)) {
this.mSensor = list.get(0);
this.sensorManager.registerListener(this, this.mSensor, SensorManager.SENSOR_DELAY_FASTEST);
this.sensorManager.registerListener(this, this.mSensor, SensorManager.SENSOR_DELAY_UI);
this.setStatus(AccelListener.STARTING);
} else {
this.setStatus(AccelListener.ERROR_FAILED_TO_START);
@ -217,6 +218,7 @@ public class AccelListener extends Plugin implements SensorEventListener {
this.sensorManager.unregisterListener(this);
}
this.setStatus(AccelListener.STOPPED);
this.accuracy = SensorManager.SENSOR_STATUS_UNRELIABLE;
}
/**
@ -226,6 +228,17 @@ public class AccelListener extends Plugin implements SensorEventListener {
* @param accuracy
*/
public void onAccuracyChanged(Sensor sensor, int accuracy) {
// Only look at accelerometer events
if (sensor.getType() != Sensor.TYPE_ACCELEROMETER) {
return;
}
// If not running, then just return
if (this.status == AccelListener.STOPPED) {
return;
}
Log.d("ACCEL", "accuracy is now " + accuracy);
this.accuracy = accuracy;
}
/**
@ -246,16 +259,19 @@ public class AccelListener extends Plugin implements SensorEventListener {
this.setStatus(AccelListener.RUNNING);
// Save time that event was received
this.timestamp = System.currentTimeMillis();
this.x = event.values[0];
this.y = event.values[1];
this.z = event.values[2];
if (this.accuracy >= SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM) {
this.win();
if (this.size() == 0) {
this.stop();
// Save time that event was received
this.timestamp = System.currentTimeMillis();
this.x = event.values[0];
this.y = event.values[1];
this.z = event.values[2];
this.win();
if (this.size() == 0) {
this.stop();
}
}
}