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我正在尝试编写一项服务,以便在Android中查找用户的GP位置。我为此提供服务。但alwasy当我尝试启动服务错误尝试在Android中启动服务时出错
android.util.AndroidRuntimeException: Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
出现。我已经在谷歌搜索这个问题,并添加了follwoing线到我的源代码:
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
但仍然出现错误。我能做些什么才能使服务无误地启动?这里是我的代码: MainActivity.java:
public class MainActivity extends Activity{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.start);
//GPs Standort bestimmung starten
Intent intent;
intent = new Intent(this, Gps_Service.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startService(intent);
initButtons();
}
}
“Gps_service.java”:
public class Gps_Service extends Service implements LocationListener{
private double längengrad = 0.0, breitengrad = 0.0;
LocationManager locationManager;
Address adresse;
String straße, Ort, Land;
@Override
public void onCreate(){
super.onCreate();
locationManager = (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
locationManager.requestLocationUpdates(locationManager.GPS_PROVIDER, 10000, 100, this);
}
@Override
public void onDestroy(){
super.onDestroy();
locationManager.removeUpdates(this);
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public void onLocationChanged(Location location) {
längengrad = location.getLongitude();
breitengrad = location.getLatitude();
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {}
}
基于错误信息提'startActivity'我想你的错误,则可能在其他地方在代码中发生的事情,你没有显示。 –
您确定错误是由启动服务引起的吗?你能显示整个堆栈的异常吗? –