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POwhy getSpeed() always return 0 on android
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Id
4811920
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4812005
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10
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CreationDate
2011-01-27T00:54:10.513
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12
LastActivityDate
2018-07-15T17:05:04.947
LastEditDate
2012-09-05T02:34:45.560
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1431239
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591539
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PostTypeId
1
Score
17
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25614
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text
Body
<p>I need to get the speed and heading from the gps. However the only number i have from <code>location.getSpeed()</code> is 0 or sometimes not available. my code: </p> <pre><code> String provider = initLocManager(); if (provider == null) return false; LocationListener locListener = new LocationListener() { public void onLocationChanged(Location location) { updateWithNewLocation(location, interval, startId); Log.i(getString(R.string.logging_tag), "speed =" + location.getSpeed()); } public void onProviderDisabled(String provider){ updateWithNewLocation(null, interval, startId); } public void onProviderEnabled(String provider) {} public void onStatusChanged(String provider, int status, Bundle extras) {} }; _locManager.requestLocationUpdates(provider, interval, DEFAULT_GPS_MIN_DISTANCE, locListener); private String initLocManager() { String context = Context.LOCATION_SERVICE; _locManager = (LocationManager) getSystemService(context); Criteria criteria = new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setAltitudeRequired(false); criteria.setBearingRequired(true); criteria.setSpeedRequired(true); criteria.setCostAllowed(true); //criteria.setPowerRequirement(Criteria.POWER_LOW); String provider = _locManager.getBestProvider(criteria, true); if (provider == null || provider.equals("")) { displayGPSNotEnabledWarning(this); return null; } return provider; } </code></pre> <p>I tried to play the Criteria with but no success. Does anyone have an idea what is the problem?</p>
Tags
<android><gps><performance><location>
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why getSpeed() always return 0 on android
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