Android收听GPS状态的变化？

概述您好我需要知道如何使用Android中的GPS监听以下内容,以便我可以在PreferenceActivity中更新UI.我没有尝试过GpsStatus.Listener.>GpsStatus.GPS_EVENT_STARTED>GpsStatus.GPS_EVENT_STOPPED任何建议都会很棒.解决方法:mLocationManager=(LocationManager)this.getSyst

您好我需要知道如何使用Android中的GPS监听以下内容,以便我可以在PreferenceActivity中更新UI.我没有尝试过Gpsstatus.Listener.

> Gpsstatus.GPS_EVENT_STARTED
> Gpsstatus.GPS_EVENT_StopPED

任何建议都会很棒.

解决方法:

    mLocationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);    // define a Listener that responds to location updates    mGPsstatusListener = new Gpsstatus.Listener() {        public voID onGpsstatusChanged(int event) {            switch (event) {            case Gpsstatus.GPS_EVENT_SATELliTE_STATUS:                satelliteStatus = mLocationManager.getGpsstatus(null);                Iterable<GpsSatellite> iSatellites = satelliteStatus                        .getSatellites();                Iterator<GpsSatellite> it = iSatellites.iterator();                maxsatellites = 0;                while (it.hasNext()) {                    GpsSatellite oSat = (GpsSatellite) it.next();                    statArray[maxsatellites][0] = oSat.getPrn();                    statArray[maxsatellites][1] = oSat.getAzimuth();                    statArray[maxsatellites][2] = oSat.getPrn();                    statArray[maxsatellites][3] = oSat.getElevation();                    statArray[maxsatellites][4] = oSat.getSnr();                    if (oSat.usedInFix()) {                        statArray[maxsatellites][5] = 1;                    } else {                        statArray[maxsatellites][5] = 0;                    }                    maxsatellites++;                }                if (mLastLocation != null)                    if ((SystemClock.elapsedRealtime() - mLastLocationMillis) < 3000) {                        isGPSFix = 7; // Enumeration for ONC_STAT_3D                    } else {                        isGPSFix = 2; // Enumeration for ONC_STAT_BAD_COVER                    }                }                if (isGPSFix == 1) { // A fix has been acquired.                    // Do something.                } else { // The fix has been lost.                    // Do something.                }                break;            case Gpsstatus.GPS_EVENT_FirsT_FIX:                // Do something.                isGPSFix = 1;                break;            case Gpsstatus.GPS_EVENT_StopPED:                if ((mLastLocation = mLocationManager                        .getLastKNownLocation(LocationManager.GPS_PROVIDER)) != null) {                    isGPSFix = 5; // Enumeration for                    } else {                    isGPSFix = 2; // Enumeration for                 }            }        }    };    mGPSLocationListener = new LocationListener() {        public voID onLocationChanged(Location location) {            // Called when a new location is found by the location            // provIDer.            if (location == null)                return;            mLastLocationMillis = SystemClock.elapsedRealtime();            // Do something.            mLastLocation = location;                        }        }        public voID onProvIDerDisabled(String provIDer) {            // Todo auto-generated method stub        }        public voID onProvIDerEnabled(String provIDer) {            // Todo auto-generated method stub        }        public voID onStatusChanged(String provIDer, int status,                Bundle extras) {            // Todo auto-generated method stub        }    };    mLocationManager.addGpsstatusListener(mGPsstatusListener);    // Register the Listener with the Location Manager to receive location    // updates    mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,            mUpdateIntervalinMillis, 0, mGPSLocationListener);

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