android - Detect when system starts a download -

is there way detect when system starts download , information of , force download specific location? googled , results not helpful

start service class , start download print result status of download.

public class myservice extends service {

private timer timer; private timertask timertask; private static final int sampling_rate = 1000;  public myservice() { }  @override public ibinder onbind(intent intent) {     return null; }  @override @deprecated public void onstart(intent intent, int startid) {     log.e("download", "onstart"); }  @override public void oncreate() {     timer = new timer();     timertask = new timertask() {          @override         public void run() {             // log.d(myservice.class.tostring(),             // "tic ... "+system.currenttimemillis());             getdownloaddata();         }     };     if (timer != null && timertask != null) {         timer.schedule(timertask, 0, sampling_rate);     } }  @targetapi(build.version_codes.gingerbread) @suppresslint("newapi") public void getdownloaddata() {     downloadmanager downloadmgr = (downloadmanager) getsystemservice(download_service);     downloadmanager.query query = new downloadmanager.query();     query.setfilterbystatus(downloadmanager.status_failed             | downloadmanager.status_pending             | downloadmanager.status_running             | downloadmanager.status_successful);     cursor c = downloadmgr.query(query);      if (c == null) {         system.out.println("--------------------------");     } else {         if (c.movetofirst()) {             system.out.println("------------end--------------");             while (c.isafterlast() == false) {                 getstatus(c);                 c.movetonext();             }         }     } }  public void getstatus(cursor c) {      int columnindex = c.getcolumnindex(downloadmanager.column_status);     int columnreason = c.getcolumnindex(downloadmanager.column_reason);      int reason = c.getint(columnreason);     int status = c.getint(columnindex);      string statustext = null;     string reasontext = null;     switch (status) {     case downloadmanager.status_failed:         statustext = "status_failed";         switch (reason) {         case downloadmanager.error_cannot_resume:             reasontext = "error_cannot_resume";             break;         case downloadmanager.error_device_not_found:             reasontext = "error_device_not_found";             break;         case downloadmanager.error_file_already_exists:             reasontext = "error_file_already_exists";             break;         case downloadmanager.error_file_error:             reasontext = "error_file_error";             break;         case downloadmanager.error_http_data_error:             reasontext = "error_http_data_error";             break;         case downloadmanager.error_insufficient_space:             reasontext = "error_insufficient_space";             break;         case downloadmanager.error_too_many_redirects:             reasontext = "error_too_many_redirects";             break;         case downloadmanager.error_unhandled_http_code:             reasontext = "error_unhandled_http_code";             break;         case downloadmanager.error_unknown:             reasontext = "error_unknown";             break;         }         break;     case downloadmanager.status_paused:         statustext = "status_paused";         switch (reason) {         case downloadmanager.paused_queued_for_wifi:             reasontext = "paused_queued_for_wifi";             break;         case downloadmanager.paused_unknown:             reasontext = "paused_unknown";             break;         case downloadmanager.paused_waiting_for_network:             reasontext = "paused_waiting_for_network";             break;         case downloadmanager.paused_waiting_to_retry:             reasontext = "paused_waiting_to_retry";             break;         }         break;     case downloadmanager.status_pending:         statustext = "status_pending";         break;     case downloadmanager.status_running:         statustext = "status_running";         break;     case downloadmanager.status_successful:         statustext = "status_successful";         break;     }      log.d("status", statustext + "   " + reasontext); } 

}