android藍牙主動發起配對實例

時間  2019-12-01
標籤 android 藍牙 主動 發起 配對 實例 欄目 Android 简体版
原文   原文鏈接
  1. package cn.madfinger.core;  
  2.   
  3. import java.io.IOException;  
  4. import java.lang.reflect.Method;  
  5. import java.util.ArrayList;  
  6. import java.util.List;  
  7. import java.util.UUID;  
  8.   
  9. import android.app.Activity;  
  10. import android.bluetooth.BluetoothAdapter;  
  11. import android.bluetooth.BluetoothDevice;  
  12. import android.bluetooth.BluetoothSocket;  
  13. import android.content.BroadcastReceiver;  
  14. import android.content.Context;  
  15. import android.content.Intent;  
  16. import android.content.IntentFilter;  
  17. import android.os.Bundle;  
  18. import android.util.Log;  
  19. import android.view.View;  
  20. import android.widget.AdapterView;  
  21. import android.widget.ArrayAdapter;  
  22. import android.widget.Button;  
  23. import android.widget.ListView;  
  24. import android.widget.Toast;  
  25. import android.widget.ToggleButton;  
  26.   
  27. public class BlueToothTestActivity extends Activity {  
  28.     //該UUID表示串口服務  
  29.     //請參考文章<a href="http://wiley.iteye.com/blog/1179417">http://wiley.iteye.com/blog/1179417</a>  
  30.     static final String SPP_UUID = "00001101-0000-1000-8000-00805F9B34FB";  
  31.     Button btnSearch, btnDis, btnExit;  
  32.     ToggleButton tbtnSwitch;  
  33.     ListView lvBTDevices;  
  34.     ArrayAdapter<String> adtDevices;  
  35.     List<String> lstDevices = new ArrayList<String>();  
  36.     BluetoothAdapter btAdapt;  
  37.     public static BluetoothSocket btSocket;  
  38.   
  39.     @Override  
  40.     public void onCreate(Bundle savedInstanceState) {  
  41.         super.onCreate(savedInstanceState);  
  42.         setContentView(R.layout.main);  
  43.         // Button 設置  
  44.         btnSearch = (Button) this.findViewById(R.id.btnSearch);  
  45.         btnSearch.setOnClickListener(new ClickEvent());  
  46.         btnExit = (Button) this.findViewById(R.id.btnExit);  
  47.         btnExit.setOnClickListener(new ClickEvent());  
  48.         btnDis = (Button) this.findViewById(R.id.btnDis);  
  49.         btnDis.setOnClickListener(new ClickEvent());  
  50.   
  51.         // ToogleButton設置  
  52.         tbtnSwitch = (ToggleButton) this.findViewById(R.id.tbtnSwitch);  
  53.         tbtnSwitch.setOnClickListener(new ClickEvent());  
  54.   
  55.         // ListView及其數據源 適配器  
  56.         lvBTDevices = (ListView) this.findViewById(R.id.lvDevices);  
  57.         adtDevices = new ArrayAdapter<String>(this,  
  58.                 android.R.layout.simple_list_item_1, lstDevices);  
  59.         lvBTDevices.setAdapter(adtDevices);  
  60.         lvBTDevices.setOnItemClickListener(new ItemClickEvent());  
  61.   
  62.         btAdapt = BluetoothAdapter.getDefaultAdapter();// 初始化本機藍牙功能  
  63.   
  64.         // ========================================================  
  65.         // modified by wiley  
  66.         /* 
  67.          * if (btAdapt.getState() == BluetoothAdapter.STATE_OFF)// 讀取藍牙狀態並顯示 
  68.          * tbtnSwitch.setChecked(false); else if (btAdapt.getState() == 
  69.          * BluetoothAdapter.STATE_ON) tbtnSwitch.setChecked(true); 
  70.          */  
  71.         if (btAdapt.isEnabled()) {  
  72.             tbtnSwitch.setChecked(false);  
  73.         } else {  
  74.             tbtnSwitch.setChecked(true);  
  75.         }  
  76.         // ============================================================  
  77.         // 註冊Receiver來獲取藍牙設備相關的結果  
  78.         IntentFilter intent = new IntentFilter();  
  79.         intent.addAction(BluetoothDevice.ACTION_FOUND);// 用BroadcastReceiver來取得搜索結果  
  80.         intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);  
  81.         intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);  
  82.         intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);  
  83.         registerReceiver(searchDevices, intent);  
  84.     }  
  85.   
  86.     private BroadcastReceiver searchDevices = new BroadcastReceiver() {  
  87.   
  88.         public void onReceive(Context context, Intent intent) {  
  89.             String action = intent.getAction();  
  90.             Bundle b = intent.getExtras();  
  91.             Object[] lstName = b.keySet().toArray();  
  92.   
  93.             // 顯示全部收到的消息及其細節  
  94.             for (int i = 0; i < lstName.length; i++) {  
  95.                 String keyName = lstName[i].toString();  
  96.                 Log.e(keyName, String.valueOf(b.get(keyName)));  
  97.             }  
  98.             BluetoothDevice device = null;  
  99.             // 搜索設備時，取得設備的MAC地址  
  100.             if (BluetoothDevice.ACTION_FOUND.equals(action)) {  
  101.                 device = intent  
  102.                         .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);  
  103.                 if (device.getBondState() == BluetoothDevice.BOND_NONE) {  
  104.                     String str = "未配對|" + device.getName() + "|"  
  105.                             + device.getAddress();  
  106.                     if (lstDevices.indexOf(str) == -1)// 防止重複添加  
  107.                         lstDevices.add(str); // 獲取設備名稱和mac地址  
  108.                     adtDevices.notifyDataSetChanged();  
  109.                 }  
  110.             }else if(BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)){  
  111.                 device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);  
  112.                 switch (device.getBondState()) {  
  113.                 case BluetoothDevice.BOND_BONDING:  
  114.                     Log.d("BlueToothTestActivity", "正在配對......");  
  115.                     break;  
  116.                 case BluetoothDevice.BOND_BONDED:  
  117.                     Log.d("BlueToothTestActivity", "完成配對");  
  118.                     connect(device);//鏈接設備  
  119.                     break;  
  120.                 case BluetoothDevice.BOND_NONE:  
  121.                     Log.d("BlueToothTestActivity", "取消配對");  
  122.                 default:  
  123.                     break;  
  124.                 }  
  125.             }  
  126.               
  127.         }  
  128.     };  
  129.   
  130.     @Override  
  131.     protected void onDestroy() {  
  132.         this.unregisterReceiver(searchDevices);  
  133.         super.onDestroy();  
  134.         android.os.Process.killProcess(android.os.Process.myPid());  
  135.     }  
  136.   
  137.     class ItemClickEvent implements AdapterView.OnItemClickListener {  
  138.   
  139.         @Override  
  140.         public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,  
  141.                 long arg3) {  
  142.             if(btAdapt.isDiscovering())btAdapt.cancelDiscovery();  
  143.             String str = lstDevices.get(arg2);  
  144.             String[] values = str.split("\\|");  
  145.             String address = values[2];  
  146.             Log.e("address", values[2]);  
  147.             BluetoothDevice btDev = btAdapt.getRemoteDevice(address);  
  148.             try {  
  149.                 Boolean returnValue = false;  
  150.                 if (btDev.getBondState() == BluetoothDevice.BOND_NONE) {  
  151.                     //利用反射方法調用BluetoothDevice.createBond(BluetoothDevice remoteDevice);  
  152.                     Method createBondMethod = BluetoothDevice.class  
  153.                             .getMethod("createBond");  
  154.                     Log.d("BlueToothTestActivity", "開始配對");  
  155.                     returnValue = (Boolean) createBondMethod.invoke(btDev);  
  156.                       
  157.                 }else if(btDev.getBondState() == BluetoothDevice.BOND_BONDED){  
  158.                     connect(btDev);  
  159.                 }  
  160.             } catch (Exception e) {  
  161.                 e.printStackTrace();  
  162.             }  
  163.   
  164.         }  
  165.   
  166.     }  
  167.       
  168.     private void connect(BluetoothDevice btDev) {  
  169.         UUID uuid = UUID.fromString(SPP_UUID);  
  170.         try {  
  171.             btSocket = btDev.createRfcommSocketToServiceRecord(uuid);  
  172.             Log.d("BlueToothTestActivity", "開始鏈接...");  
  173.             btSocket.connect();  
  174.         } catch (IOException e) {  
  175.             // TODO Auto-generated catch block  
  176.             e.printStackTrace();  
  177.         }  
  178.     }  
  179.   
  180.     class ClickEvent implements View.OnClickListener {  
  181.         @Override  
  182.         public void onClick(View v) {  
  183.             if (v == btnSearch)// 搜索藍牙設備，在BroadcastReceiver顯示結果  
  184.             {  
  185.                 if (btAdapt.getState() == BluetoothAdapter.STATE_OFF) {// 若是藍牙還沒開啓  
  186.                     Toast.makeText(BlueToothTestActivity.this, "請先打開藍牙", 1000)  
  187.                             .show();  
  188.                     return;  
  189.                 }  
  190.                 if (btAdapt.isDiscovering())  
  191.                     btAdapt.cancelDiscovery();  
  192.                 lstDevices.clear();  
  193.                 Object[] lstDevice = btAdapt.getBondedDevices().toArray();  
  194.                 for (int i = 0; i < lstDevice.length; i++) {  
  195.                     BluetoothDevice device = (BluetoothDevice) lstDevice[i];  
  196.                     String str = "已配對|" + device.getName() + "|"  
  197.                             + device.getAddress();  
  198.                     lstDevices.add(str); // 獲取設備名稱和mac地址  
  199.                     adtDevices.notifyDataSetChanged();  
  200.                 }  
  201.                 setTitle("本機藍牙地址：" + btAdapt.getAddress());  
  202.                 btAdapt.startDiscovery();  
  203.             } else if (v == tbtnSwitch) {// 本機藍牙啓動/關閉  
  204.                 if (tbtnSwitch.isChecked() == false)  
  205.                     btAdapt.enable();  
  206.   
  207.                 else if (tbtnSwitch.isChecked() == true)  
  208.                     btAdapt.disable();  
  209.             } else if (v == btnDis)// 本機能夠被搜索  
  210.             {  
  211.                 Intent discoverableIntent = new Intent(  
  212.                         BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);  
  213.                 discoverableIntent.putExtra(  
  214.                         BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);  
  215.                 startActivity(discoverableIntent);  
  216.             } else if (v == btnExit) {  
  217.                 try {  
  218.                     if (btSocket != null)  
  219.                         btSocket.close();  
  220.                 } catch (IOException e) {  
  221.                     e.printStackTrace();  
  222.                 }  
  223.                 BlueToothTestActivity.this.finish();  
  224.             }  
  225.         }  
  226.   
  227.     }  
  228. }  
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