android - 显示 NMEA 语句？

Question

任何帮助显示 NMEA 句子的人 $GPRMC .....我正在使用以下代码:

public class SampleNMEA extends Activity implements LocationListener, GpsStatus.Listener,GpsStatus.NmeaListener{

    LocationManager lm;
    TextView output;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        output = (TextView)findViewById(R.id.out);
        lm = (LocationManager) getSystemService(LOCATION_SERVICE);

        lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 60000,10,this);
        final Location location=lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);


        output.append("\nBelow Data is about the your location:");

        output.append("\n\n\nLatit:"+location.getLatitude());
        output.append("\n\nLongitude:"+location.getLongitude());
        output.append("\n\nTime: "+location.getTime());


    }
    public void onLocationChanged(Location location) 
    {
        output.append("\n\n\nLatitude:"+location.getLatitude());
        output.append("\n\nLongitude:"+location.getLongitude());
        output.append("\n\nTime: "+location.getTime());
    }

    public void onProviderDisabled(String arg0) {
        // TODO Auto-generated method stub

    }

    public void onProviderEnabled(String arg0) {
        // TODO Auto-generated method stub

    }

    public void onStatusChanged(String arg0, int arg1, Bundle arg2) 
    {
         lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 60000,10,this);
        final Location location=lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
        output.append("\n\n\nLatitude:"+location.getLatitude());
        output.append("\n\nLongitude:"+location.getLongitude());
        output.append("\n\nTime: "+location.getTime());


}

    public void onGpsStatusChanged(int event) 
    {

    }
    public void onNmeaReceived(long timestamp, String nmea) 
    {
        output.append("NMEA Sentence: "+nmea);

    }

    }

谁能帮助我在 manifest.xml 中添加权限

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>

Answer 1

将您的提供商更改为 GPS_PROVIDER。

您可以通过 Gps 提供商获取 nmea 语句。

改变这一行

     **lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 60000,10,this);**

到

     **lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 60000,10,this);**

现在检查 onNmeaReceived() 方法。