0
在我的应用程序中，我设置了10秒的计时器以通过调用locationManager.requestLocationUpdates（）获取当前位置;但问题是，我不能获得更新的位置，而不是它给同一纬度以及其中应用程序已启动经度..无法获取更新的位置
下面是写在服务我的代码..帮助和建议表示赞赏
public class DemoService extends Service{
LocationManager locationManager;
public Timer timer;
public static int i;
private String FILE_NAME = "location.txt";
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onStart(Intent intent, int startId) {
// TODO Auto-generated method stub
super.onStart(intent, startId);
locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
Toast.makeText(getApplicationContext(), "onStart()....", Toast.LENGTH_SHORT).show();
timer = new Timer();
timer.schedule(new mainTask(), 0, 10*1000);
}
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
Toast.makeText(getApplicationContext(), "onCreate()....", Toast.LENGTH_SHORT).show();
}
@Override
public void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
Toast.makeText(getApplicationContext(), "onDestroy()....", Toast.LENGTH_SHORT).show();
timer.cancel();
}
private class mainTask extends TimerTask
{
public void run()
{
toastHandler.sendEmptyMessage(0);
}
}
private final Handler toastHandler = new Handler()
{
@Override
public void handleMessage(Message msg)
{
Toast.makeText(getApplicationContext(), "test "+(i), Toast.LENGTH_SHORT).show();
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, new MyLocationListerner());
}
};
public class MyLocationListerner implements LocationListener{
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
i++;
Toast.makeText(DemoService.this, "\nLat : "+location.getLatitude()+"\nLog : "+location.getLongitude(), Toast.LENGTH_SHORT).show();
saveToFile(location);
locationManager.removeUpdates(this);
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
Toast.makeText(DemoService.this,"Got onLocationChanged..",Toast.LENGTH_SHORT).show();
System.out.println("Got onStatusChanged");
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
Toast.makeText(DemoService.this,"Got onLocationChanged..",Toast.LENGTH_SHORT).show();
System.out.println("Got onProviderEnabled");
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
Toast.makeText(DemoService.this,"Got onLocationChanged..",Toast.LENGTH_SHORT).show();
System.out.println("Got onProviderDisabled");
}
消耗少试试这个：刚加入这一行： locationManager.requestLocationUpdates（ LocationManager.G PS_PROVIDER，refreshInterval，50，locationListener）; – 2012-03-09 06:39:27
有很多不同的方式来获取当前位置的精确度高或低，我看到您使用的是网络提供商，因此您可以在移动的位范围内获得相同的位置，因为它提供了网络塔的位置而不是您的位置。您可能需要轮询GPS。看看这篇文章http://stackoverflow.com/a/6775456/28557 – 2012-03-09 06:50:32
嗨Mayur它不工作，它需要GPS被打开。是不可能获得位置thro网络提供商... – NullPointerException 2012-03-09 06:52:47