android蓝牙主动发起配对实例

1. package cn.madfinger.core;
2. import java.io.IOException;
3. import java.lang.reflect.Method;
4. import java.util.ArrayList;
5. import java.util.List;
6. import java.util.UUID;
7. import android.app.Activity;
8. import android.bluetooth.BluetoothAdapter;
9. import android.bluetooth.BluetoothDevice;
10. import android.bluetooth.BluetoothSocket;
11. import android.content.BroadcastReceiver;
12. import android.content.Context;
13. import android.content.Intent;
14. import android.content.IntentFilter;
15. import android.os.Bundle;
16. import android.util.Log;
17. import android.view.View;
18. import android.widget.AdapterView;
19. import android.widget.ArrayAdapter;
20. import android.widget.Button;
21. import android.widget.ListView;
22. import android.widget.Toast;
23. import android.widget.ToggleButton;
24. public class BlueToothTestActivity extends Activity {
25. //该UUID表示串口服务
26. //请参考文章<a href="http://wiley.iteye.com/blog/1179417">http://wiley.iteye.com/blog/1179417</a>
27. static final String SPP_UUID = "00001101-0000-1000-8000-00805F9B34FB";
28. Button btnSearch, btnDis, btnExit;
29. ToggleButton tbtnSwitch;
30. ListView lvBTDevices;
31. ArrayAdapter<String> adtDevices;
32. List<String> lstDevices = new ArrayList<String>();
33. BluetoothAdapter btAdapt;
34. public static BluetoothSocket btSocket;
35. @Override
36. public void onCreate(Bundle savedInstanceState) {
37. super.onCreate(savedInstanceState);
38. setContentView(R.layout.main);
39. // Button 设置
40. btnSearch = (Button) this.findViewById(R.id.btnSearch);
41. btnSearch.setOnClickListener(new ClickEvent());
42. btnExit = (Button) this.findViewById(R.id.btnExit);
43. btnExit.setOnClickListener(new ClickEvent());
44. btnDis = (Button) this.findViewById(R.id.btnDis);
45. btnDis.setOnClickListener(new ClickEvent());
46. // ToogleButton设置
47. tbtnSwitch = (ToggleButton) this.findViewById(R.id.tbtnSwitch);
48. tbtnSwitch.setOnClickListener(new ClickEvent());
49. // ListView及其数据源 适配器
50. lvBTDevices = (ListView) this.findViewById(R.id.lvDevices);
51. adtDevices = new ArrayAdapter<String>(this,
52. android.R.layout.simple_list_item_1, lstDevices);
53. lvBTDevices.setAdapter(adtDevices);
54. lvBTDevices.setOnItemClickListener(new ItemClickEvent());
55. btAdapt = BluetoothAdapter.getDefaultAdapter();// 初始化本机蓝牙功能
56. // ========================================================
57. // modified by wiley
58. /*
59. * if (btAdapt.getState() == BluetoothAdapter.STATE_OFF)// 读取蓝牙状态并显示
60. * tbtnSwitch.setChecked(false); else if (btAdapt.getState() ==
61. * BluetoothAdapter.STATE_ON) tbtnSwitch.setChecked(true);
62. */
63. if (btAdapt.isEnabled()) {
64. tbtnSwitch.setChecked(false);
65. } else {
66. tbtnSwitch.setChecked(true);
67. }
68. // ============================================================
69. // 注册Receiver来获取蓝牙设备相关的结果
70. IntentFilter intent = new IntentFilter();
71. intent.addAction(BluetoothDevice.ACTION_FOUND);// 用BroadcastReceiver来取得搜索结果
72. intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
73. intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
74. intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
75. registerReceiver(searchDevices, intent);
76. }
77. private BroadcastReceiver searchDevices = new BroadcastReceiver() {
78. public void onReceive(Context context, Intent intent) {
79. String action = intent.getAction();
80. Bundle b = intent.getExtras();
81. Object[] lstName = b.keySet().toArray();
82. // 显示所有收到的消息及其细节
83. for (int i = 0; i < lstName.length; i++) {
84. String keyName = lstName[i].toString();
85. Log.e(keyName, String.valueOf(b.get(keyName)));
86. }
87. BluetoothDevice device = null;
88. // 搜索设备时，取得设备的MAC地址
89. if (BluetoothDevice.ACTION_FOUND.equals(action)) {
90. device = intent
91. .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
92. if (device.getBondState() == BluetoothDevice.BOND_NONE) {
93. String str = "未配对|" + device.getName() + "|"
94. + device.getAddress();
95. if (lstDevices.indexOf(str) == -1)// 防止重复添加
96. lstDevices.add(str); // 获取设备名称和mac地址
97. adtDevices.notifyDataSetChanged();
98. }
99. }else if(BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)){
100. device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
101. switch (device.getBondState()) {
102. case BluetoothDevice.BOND_BONDING:
103. Log.d("BlueToothTestActivity", "正在配对......");
104. break;
105. case BluetoothDevice.BOND_BONDED:
106. Log.d("BlueToothTestActivity", "完成配对");
107. connect(device);//连接设备
108. break;
109. case BluetoothDevice.BOND_NONE:
110. Log.d("BlueToothTestActivity", "取消配对");
111. default:
112. break;
113. }
114. }
115. }
116. };
117. @Override
118. protected void onDestroy() {
119. this.unregisterReceiver(searchDevices);
120. super.onDestroy();
121. android.os.Process.killProcess(android.os.Process.myPid());
122. }
123. class ItemClickEvent implements AdapterView.OnItemClickListener {
124. @Override
125. public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
126. long arg3) {
127. if(btAdapt.isDiscovering())btAdapt.cancelDiscovery();
128. String str = lstDevices.get(arg2);
129. String[] values = str.split("\\|");
130. String address = values[2];
131. Log.e("address", values[2]);
132. BluetoothDevice btDev = btAdapt.getRemoteDevice(address);
133. try {
134. Boolean returnValue = false;
135. if (btDev.getBondState() == BluetoothDevice.BOND_NONE) {
136. //利用反射方法调用BluetoothDevice.createBond(BluetoothDevice remoteDevice);
137. Method createBondMethod = BluetoothDevice.class
138. .getMethod("createBond");
139. Log.d("BlueToothTestActivity", "开始配对");
140. returnValue = (Boolean) createBondMethod.invoke(btDev);
141. }else if(btDev.getBondState() == BluetoothDevice.BOND_BONDED){
142. connect(btDev);
143. }
144. } catch (Exception e) {
145. e.printStackTrace();
146. }
147. }
148. }
149. private void connect(BluetoothDevice btDev) {
150. UUID uuid = UUID.fromString(SPP_UUID);
151. try {
152. btSocket = btDev.createRfcommSocketToServiceRecord(uuid);
153. Log.d("BlueToothTestActivity", "开始连接...");
154. btSocket.connect();
155. } catch (IOException e) {
156. // TODO Auto-generated catch block
157. e.printStackTrace();
158. }
159. }
160. class ClickEvent implements View.OnClickListener {
161. @Override
162. public void onClick(View v) {
163. if (v == btnSearch)// 搜索蓝牙设备，在BroadcastReceiver显示结果
164. {
165. if (btAdapt.getState() == BluetoothAdapter.STATE_OFF) {// 如果蓝牙还没开启
166. Toast.makeText(BlueToothTestActivity.this, "请先打开蓝牙", 1000)
167. .show();
168. return;
169. }
170. if (btAdapt.isDiscovering())
171. btAdapt.cancelDiscovery();
172. lstDevices.clear();
173. Object[] lstDevice = btAdapt.getBondedDevices().toArray();
174. for (int i = 0; i < lstDevice.length; i++) {
175. BluetoothDevice device = (BluetoothDevice) lstDevice[i];
176. String str = "已配对|" + device.getName() + "|"
177. + device.getAddress();
178. lstDevices.add(str); // 获取设备名称和mac地址
179. adtDevices.notifyDataSetChanged();
180. }
181. setTitle("本机蓝牙地址：" + btAdapt.getAddress());
182. btAdapt.startDiscovery();
183. } else if (v == tbtnSwitch) {// 本机蓝牙启动/关闭
184. if (tbtnSwitch.isChecked() == false)
185. btAdapt.enable();
186. else if (tbtnSwitch.isChecked() == true)
187. btAdapt.disable();
188. } else if (v == btnDis)// 本机可以被搜索
189. {
190. Intent discoverableIntent = new Intent(
191. BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
192. discoverableIntent.putExtra(
193. BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
194. startActivity(discoverableIntent);
195. } else if (v == btnExit) {
196. try {
197. if (btSocket != null)
198. btSocket.close();
199. } catch (IOException e) {
200. e.printStackTrace();
201. }
202. BlueToothTestActivity.this.finish();
203. }
204. }
205. }
206. }