我已经实现了一个服务,它更新我的当前位置并将其发送到我的服务器。 我只使用ToggleButton:startService()来调用服务,stopService()来停止它。 我在logCat上看到服务在调用stopService后继续运行,因为当我重新启动服务时,它会更新两次(三...或四..)我的位置。我无法停止我的服务(更新我的位置)在我的Android应用程序!
我的代码:
服务:Geolocalisation.java
public class Geolocalisation extends Service{
private LocationManager locationManager;
//private String locationProvider = LocationManager.NETWORK_PROVIDER;
private String locationProvider = LocationManager.NETWORK_PROVIDER;
@Override
public void onCreate(){
System.out.println("Service en cours !!");
//Recuperation Location
String locationContext = Context.LOCATION_SERVICE;
locationManager = (LocationManager) getSystemService(locationContext);
if (locationManager != null && locationProvider != null) {
majCoordonnes();
locationManager.requestLocationUpdates(locationProvider, 10000, 0, new MajListener());
}
}
@Override
public void onStart(Intent intent, int StartId){
System.out.println("Service commence !!");
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
SharedPreferences.Editor editor = preferences.edit();
editor.putBoolean("geo", true);
editor.commit();
}
@Override
public void onDestroy(){
System.out.println("Service détruit !!");
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
SharedPreferences.Editor editor = preferences.edit();
editor.putBoolean("geo", false);
editor.commit();
}
@Override
public IBinder onBind(Intent arg0){
return null;
}
public void majCoordonnes() {
StringBuilder stringBuilder = new StringBuilder("Fournisseur :");
stringBuilder.append("\n");
stringBuilder.append(locationProvider);
stringBuilder.append(" : ");
Location location = locationManager.getLastKnownLocation(locationProvider);
if (location != null) {
double latitude = location.getLatitude();
double longitude = location.getLongitude();
String lat = String.valueOf(latitude);
String lon = String.valueOf(longitude);
stringBuilder.append(latitude);
stringBuilder.append(", ");
stringBuilder.append(longitude);
//Send location to server
new sendLocation().execute(lat, lon);
System.out.println("Localisation: "+ lat +" "+lon);
} else {
stringBuilder.append("Non déterminée");
}
//Log.d("MaPositionMaj", stringBuilder.toString());
}
/**
* Ecouteur utilisé pour les mises à jour des coordonnées
*/
class MajListener implements android.location.LocationListener {
public void onLocationChanged(Location location) {
majCoordonnes();
System.out.println("Update geo!");
}
public void onProviderDisabled(String provider){
}
public void onProviderEnabled(String provider){
}
public void onStatusChanged(String provider, int status, Bundle extras){
}
};
我Main.java其打电话,摧毁切换按钮的服务:
intentGeo = new Intent().setClass(this,Geolocalisation.class);
Boolean boolLog = preferences.getBoolean("geo", false);
final ToggleButton toggleAge = (ToggleButton) findViewById(R.id.ToggleGeo);
//Check ToggleButton if the service is already running
if(boolLog != true){
try{
toggleAge.setChecked(false);
}catch (Exception e){
System.out.println("Service Error");
}
} else {
toggleAge.setChecked(true);
}
//Activer ou désactivé le service de géolocalisation
toggleAge.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// Perform action on clicks
if (toggleAge.isChecked()) {
try{
startService(intentGeo);
System.out.println("Turn ON");
}catch (Exception e){
System.out.println("Service Error");
}
} else {
try{
stopService(intentGeo);
System.out.println("Turn OFF");
}catch (Exception e){
System.out.println("Service Error");
}
}
}
});
感谢您的帮助!
PS我使用Sharedpreference确定Service是否正在运行。但是如果服务崩溃,它会发生问题。我如何检查我的服务状态?
我应该尝试这种方式(更难调用两个本地函数)。感谢我能够启动并停止我的服务,只需调用startService和stopService ... – user420574 2011-03-03 22:18:09