问题
I am creating a service that periodically updates the position. but using the following code, it throws me:
runException Can't create handler inside thread that has not called Looper.prepare()
This code is running inside doInBackground of Async class in service
private void UpdatePosition()
{
locManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
Location location =
locManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
showPosition(location);
locationListener = new LocationListener() {
public void onLocationChanged(Location location) {
showPosition(location);
}
public void onProviderDisabled(String provider){
}
public void onProviderEnabled(String provider){
}
public void onStatusChanged(String provider, int status, Bundle extras){
Log.i("LocAndroid", "Provider Status: " + status);
}
};
locManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, 15000, 0, locationListener);
}
I was reviewing several posts and found that request has to run in uithread, but do not know how or where to put it.
what can i do?
EDIT:
i'll add only this to my code and now isnt throw any error
private void UpdatePosition()
{
Looper.prepare();
looper = Looper.myLooper();
locManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
Location location =
locManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
showPosition(location);
locationListener = new LocationListener() {
public void onLocationChanged(Location location) {
showPosition(location);
}
public void onProviderDisabled(String provider){
}
public void onProviderEnabled(String provider){
}
public void onStatusChanged(String provider, int status, Bundle extras){
Log.i("LocAndroid", "Provider Status: " + status);
}
};
locManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, 15000, 0, locationListener);
}
but i dont know if its correct..what do you say?
来源：https://stackoverflow.com/questions/13810662/requestlocationupdates-throws-exception