public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.tap3);

    LocMan = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    gpsStatus = (TextView) findViewById(R.id.txv_gps_status);
    gpsValue = (TextView) findViewById(R.id.txv_gps);
    provider = LocMan.getBestProvider(new Criteria(), true);    // 최고의 GPS 찾기
    Log.i("sinwho",provider );

    location = LocMan.getLastKnownLocation(LocationManager.GPS_PROVIDER);    // 최근 위치 정보 읽기

    String temp;

    if(location == null)
    {
        temp = "최근 위치 : 알수 없음";
    }
    else
    {
        temp = String.format("최근 위치 : \n위도:%f\n경도:%f\n고도:%f",location.getLatitude(),location.getLongitude(),location.getAltitude());

    }
    gpsValue.setText(temp);
}