ibeacon - How to work with Android Beacon -

i have tried this, able scan devices not able calculate major , minor using android core classes.

i have tried this

public class tagbluetooth {  private context context; private list uuidlist; private itagble itagble; private bluetoothmanager bluetoothmanager; private bluetoothadapter bluetoothadapter; private bluetoothlescanner bluetoothlescanner; private final int request_enable_bt = 101; private boolean mscanning; private handler handler; // stops scanning after 10 seconds. private static final long scan_period = 10000; private bluetoothadapter.lescancallback lescancallback; private list list;   public tagbluetooth(itagble activity){     this.context= (context) activity;     itagble=activity; }   public tagbluetooth(itagble activity,list list){     this.context= (context) activity;     itagble=activity;     uuidlist=list; }  /**  * initialize ble component  */ public void initialize(){      if (isbleavailable()) {         bluetoothmanager = (bluetoothmanager) context.getsystemservice(context.bluetooth_service);         bluetoothadapter = bluetoothmanager.getadapter();         handler = new handler();          lescancallback = new bluetoothadapter.lescancallback() {             @override             public void onlescan(bluetoothdevice device, int rssi, byte[] scanrecord) {                 itagble.onscancomplete(device,rssi,scanrecord);             }         };      }      checkbluetoothstatus(); }  /**  * ensures bluetooth available on device , enabled. if not,  * displays dialog requesting user permission enable bluetooth.  *  * @return true device bluetooth available , false bluetooth not available  */ private void checkbluetoothstatus() {      if (bluetoothadapter == null || !bluetoothadapter.isenabled()) {         intent enablebtintent = new intent(bluetoothadapter.action_request_enable);         context.startactivity(enablebtintent);      } }   /**  * ebale , disable ble devices scanning  *  * @param enable  */  public void scanledevice(final boolean enable) {      if(!isbleavailable())         return;      if (enable) {          // stops scanning after pre-defined scan period.         handler.postdelayed(new runnable() {             @override             public void run() {                 mscanning = false;                 bluetoothadapter.stoplescan(lescancallback);             }         }, scan_period);          mscanning = true;         bluetoothadapter.startlescan(lescancallback);     } else {         mscanning = false;         bluetoothadapter.stoplescan(lescancallback);     } }     /**  * use check determine whether ble supported on device.  * can selectively disable ble-related features.  *  * @return true ble support , false ble unsupported  */ private boolean isbleavailable() {      if (!context.getpackagemanager().hassystemfeature(packagemanager.feature_bluetooth_le)) {         itagble.showmessage("ble not supported");         return false;     }      return true; } 

}

requirement:

1. scan beacon devices (including different manufacturer).
2. track entry , exit beacon.
3. minor , major ranging.
4. scan device application closed.

if 1 me on this, wold grate me. in advance.

use kontakt api here. can't major exact entry , exit time api. see here.