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我有一個按鈕「跟蹤我的位置」,它使用GPS併成功跟蹤我的位置。但是當我點擊後退按鈕時,跟蹤停止。我想跟蹤進去的背景下,即使用戶切換到其他應用程序gps應用程序的後臺進程
我想這個功能在後臺
private void centerOnLocation()
{
loc = locman.getLastKnownLocation(provider);
if(loc != null)
{
lat = loc.getLatitude();
lon = loc.getLongitude();
templat=lat;
templon=lon;
System.out.println("TrackedLat:"+loc);
System.out.println("temporaryyyyyyyyyyyyyy");
System.out.println("Templat:"+templat);
System.out.println("TempLon:"+templon);
System.out.println("matlat matlon");
System.out.println("TrackedLon:"+matlat);
System.out.println("TrackedLon:"+matlon);
Log.i(TAG+"_loc",loc.toString());
Log.i(TAG, "Lat="+lat+" lon="+lon);
GeoPoint newPoint = new GeoPoint((int)(lat*1e6),(int)(lon*1e6));
mapControl.animateTo(newPoint);
getSatelliteData();
if(displayOverlay != null){
displayOverlay.putSatStuff(lat, lon, satAccuracy, bearing, altitude,
speed, currentProvider, numberSats);
}
}
functiontocompare(matlat,matlon,templat,templon);
}
見http://stackoverflow.com/questions/7617957/should-i-create-service-for-gps-tracking-app –