Fairly rk platform (main) link mobile phones (from), mobile phone (main) connection fairly rk platform (from) can be successful, what reason be? The code below

 package com. The CDN. Bluetoothphone; 

Import android. Content. BroadcastReceiver; 
The import android. The content. The Context; 
The import android. Content. Intent; 
The import android. Sax. StartElementListener; 
The import android. Util. Log; 

import java.util.List; 
import java.util.Set; 

The import android. Bluetooth. BluetoothHeadsetClient; 
The import android. Bluetooth. BluetoothHeadsetClientCall; 
The import android. Bluetooth. BluetoothProfile; 
The import android. Bluetooth. BluetoothAdapter; 
The import android. Bluetooth. BluetoothDevice; 
The import android. Bluetooth. BluetoothProfile. ServiceListener; 
The import android. Bluetooth. BluetoothClass; 
The import android. Bluetooth. BluetoothHeadset; 
The import android. Bluetooth. BluetoothA2dp; 
The import android. Bluetooth. BluetoothA2dpSink; 
The import android. Bluetooth. BluetoothPbapClient; 

Public class CallBroadcastReceiver extends BroadcastReceiver {

Public static final String TAG=
"Wangp"; 
Private static final String FIND_PHONE=
"Com. Viomi. Fridge. CurPhone";//query the current connection phone 
Private static final String FIND_PHONE_RESULT=
"Com. Viomi. Fridge. CurPhoneResult";//underlying feedback actual bluetooth phone connection information 
Private static final String CONNECT_TO_PHONE=
"Com. Viomi. Fridge. ConnectTo";//the underlying access switch bluetooth phone state radio 
Private static final String ACTION_BOOT=
"Android. Intent. Action. BOOT_COMPLETED";//boot broadcast 
Private static final String ACTION1=
BluetoothHeadsetClient. ACTION_CONNECTION_STATE_CHANGED;//bluetooth connection successfully sign 
Private static final String ACTION2=
BluetoothHeadsetClient. ACTION_CALL_CHANGED;//call state change 
Private static final String ACTION3=
BluetoothHeadsetClient. ACTION_AUDIO_STATE_CHANGED;//as long as the state of the audio changes, it will send intent, 
Public static BluetoothDevice cur_device; 
Private static BluetoothAdapter mAdapter=null; 
Private static BluetoothHeadsetClient McLient;//bluetooth phone 
Private static BluetoothPbapClient mPbapClient;//bluetooth address book 

List Devices; 

@ Override 
Public void onReceive (Context Context, Intent Intent) {
//TODO Auto - generated method stub 
String actionStr=intent. GetAction (); 
{if (actionStr. Equals (ACTION1)) 
The Log i. (TAG, "-- -- -- -- -- ACTION1: -- -- -- -- -- -- -- --" + actionStr); 
Int state=intent. GetIntExtra (BluetoothProfile EXTRA_STATE, 1); 
Intent PhoneIntent=new Intent (FIND_PHONE_RESULT); 
If (state==2) {
The Log. I (TAG, "device is connected... "); 
Cur_device=(BluetoothDevice) intent. GetExtra (BluetoothDevice. EXTRA_DEVICE); 
PhoneIntent. PutExtra (" bleAddr ", cur_device getAddress ()); 
The context. SendBroadcast (PhoneIntent); 
{} else if (state==0) 
The Log. I (TAG, "device is disconnected... "); 
Cur_device=null; 
BleAddr PhoneIntent. PutExtra (" ", ""); 
The context. SendBroadcast (PhoneIntent); 
} 
} else if (actionStr equals (ACTION2)) {
The Log i. (TAG, "-- -- -- -- -- ACTION2: bluetooth phone... -- -- -- -- -- -- -- -- -- -- -- -- -- "+ actionStr); 
} else if (actionStr equals (ACTION3)) {
Log. I (TAG, "-- -- -- -- -- ACTION3 -- -- -- -- -- -- -- -- -- --" + actionStr); 
Int state=intent. GetIntExtra (BluetoothProfile EXTRA_STATE, 1); 
} else if (actionStr equals (FIND_PHONE)) {//open the bluetooth switch 
The Log i. (TAG, "-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- FIND_PHONE -- -- -- -- -- -- --" + actionStr); 
Intent PhoneIntent=new Intent (FIND_PHONE_RESULT); 
If (cur_device!=null) {
PhoneIntent. PutExtra (" bleAddr ", cur_device getAddress ()); 
The context. SendBroadcast (PhoneIntent); 
} else {
BleAddr PhoneIntent. PutExtra (" ", ""); 
The context. SendBroadcast (PhoneIntent); 
} 
} else if (actionStr equals (CONNECT_TO_PHONE)) {//matching success 
Log. I (TAG, "-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- CONNECT_TO_PHONE -- -- -- -- -- -- -- -- -- -- -" + actionStr); 
String bleAddr=intent. GetStringExtra (" bleAddr ");//MAC address 
String toConnect=intent. GetStringExtra (" status ");//link state 1, 0 disconnect 
Log. I (TAG, "click device: MAC - & gt;" + bleAddr + ", the status - & gt;" + toConnect); 
If (mAdapter==null) {
MAdapter=BluetoothAdapter. GetDefaultAdapter ();//get the default BluetoothAdapter 
MAdapter. The enable ();//forced open 
The Log. I (TAG, "bluetooth enable & gt;>>>> & gt;" + mAdapter. IsEnabled ()); 
MAdapter. GetProfileProxy (context. GetApplicationContext (), mServiceListener, BluetoothProfile. HEADSET_CLIENT); 
MAdapter. GetProfileProxy (context. GetApplicationContext (), mServiceListener, BluetoothProfile. PBAP_CLIENT); 
} 
Set BleDevices=mAdapter. GetBondedDevices ();//all matching equipment 
Log. I (TAG, "connect========================================================"); 
For (BluetoothDevice device: bleDevices) {
The Log. I (TAG, "paried device name>>>> & gt;" + device. The getName () + ", address>>>>> & gt;" + device. GetAddress ()); 
If (device. GetBluetoothClass (.) getMajorDeviceClass ()==BluetoothClass. The device. The Major. The PHONE 
& & Device. GetAddress () equals (bleAddr)) {
The Log i. (TAG, "start the connect"); 
If (toConnect. Equals (" 1 ")) {
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