BluetoothManager BluetoothManager; 
BluetoothManager=(bluetoothManager) mContext. GetSystemService (Context. BLUETOOTH_SERVICE); 
BluetoothAdapter=bluetoothManager. GetAdapter (); 
{if (bluetoothAdapter. IsEnabled ()) 
BluetoothAdapter. StartLeScan (mLeScanCallback); 
} 

 
Private final BluetoothAdapter. LeScanCallback mLeScanCallback=new LeScanCallBackClass (this); 

Private static final class LeScanCallBackClass implements BluetoothAdapter. LeScanCallback {

WeakReference that; 

LeScanCallBackClass (ZhongJieFragment saFragment) {
That=new WeakReference<> (saFragment); 
} 

@ Override 
Public void onLeScan (BluetoothDevice device, int rssi, byte [] scanRecord) {
If (device!=null & amp; & Device. The getName (). The startsWith (" BLE device ")) {
//LogUtils. D (TAG, "found that equipment"); 
Final ZhongShengZhongJieFragment out=that. The get (); 
Out. The bluetoothAdapter. StopLeScan (out. MLeScanCallback); 
Out. BluetoothDevice=device; 
The Message the Message=Message. Obtain (); 
Message. What=MSG_HANDLER_CONNECTDEVICE; 
Out. The handler. SendMessage (message); 
} 
} 
} 

 
@ Override 
Public void onDestroy () {
Super. OnDestroy (); 

If (bluetoothAdapter!=null) {
BluetoothAdapter. StopLeScan (mLeScanCallback); 

BluetoothAdapter. Disable (); 

} 
If (bluetoothGatt!=null) {
RefreshDeviceCache (); 
} 
If (bluetoothGatt!=null) {
BluetoothGatt. Close (); 
} 

BluetoothAdapter=null; 
CoreGattCallback=null; 
The Runtime. GetRuntime (). The gc (); 
}