android开发之蓝牙主动配对连接手机

来源：互联网发布：淘宝店铺正在被处罚编辑：程序博客网时间：2024/05/04 03:57

上一篇介绍了手机配对连接的三种方式，这篇以完整的一个代码实例介绍如何搜索周围的蓝牙设备，以及主动配对，连接。

主要注释在代码中都有。

[java] view plaincopyprint?

1 package jason.com;

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;

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;

27 public class BlueToothTestActivity extends Activity {

28 //该UUID表示串口服务

29 static final String SPP_UUID = "00001101-0000-1000-8000-00805F9B34FB";

30 Button btnSearch, btnDis, btnExit;

31 ToggleButton tbtnSwitch;

32 ListView lvBTDevices;

33 ArrayAdapter<String> adtDevices;

34 List<String> lstDevices = new ArrayList<String>();

35 BluetoothAdapter btAdapt;

36 public static BluetoothSocket btSocket;

38 @Override

39 public void onCreate(Bundle savedInstanceState) {

40 super.onCreate(savedInstanceState);

41 setContentView(R.layout.main);

42 // Button 设置

43 btnSearch = (Button) this.findViewById(R.id.btnSearch);

44 btnSearch.setOnClickListener(new ClickEvent());

45 btnExit = (Button) this.findViewById(R.id.btnExit);

46 btnExit.setOnClickListener(new ClickEvent());

47 btnDis = (Button) this.findViewById(R.id.btnDis);

48 btnDis.setOnClickListener(new ClickEvent());

50 // ToogleButton设置

51 tbtnSwitch = (ToggleButton) this.findViewById(R.id.tbtnSwitch);

52 tbtnSwitch.setOnClickListener(new ClickEvent());

54 // ListView及其数据源适配器

55 lvBTDevices = (ListView) this.findViewById(R.id.lvDevices);

56 adtDevices = new ArrayAdapter<String>(this,

57 android.R.layout.simple_list_item_1, lstDevices);

58 lvBTDevices.setAdapter(adtDevices);

59 lvBTDevices.setOnItemClickListener(new ItemClickEvent());

61 btAdapt = BluetoothAdapter.getDefaultAdapter();// 初始化本机蓝牙功能

63 // ========================================================

64 // modified by jason0539 搜索jason0539进入我的博客

65 /*

66 * if (btAdapt.getState() == BluetoothAdapter.STATE_OFF)// 读取蓝牙状态并显示

67 * tbtnSwitch.setChecked(false); else if (btAdapt.getState() ==

68 * BluetoothAdapter.STATE_ON) tbtnSwitch.setChecked(true);

69 */

70 if (btAdapt.isEnabled()) {

71 tbtnSwitch.setChecked(false);

72 } else {

73 tbtnSwitch.setChecked(true);

74 }

75 // ============================================================

76 // 注册Receiver来获取蓝牙设备相关的结果

77 IntentFilter intent = new IntentFilter();

78 intent.addAction(BluetoothDevice.ACTION_FOUND);// 用BroadcastReceiver来取得搜索结果

79 intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);

80 intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);

81 intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);

82 registerReceiver(searchDevices, intent);

83 }

85 private BroadcastReceiver searchDevices = new BroadcastReceiver() {

87 public void onReceive(Context context, Intent intent) {

88 String action = intent.getAction();

89 Bundle b = intent.getExtras();

90 Object[] lstName = b.keySet().toArray();

92 // 显示所有收到的消息及其细节

93 for (int i = 0; i < lstName.length; i++) {

94 String keyName = lstName[i].toString();

95 Log.e(keyName, String.valueOf(b.get(keyName)));

96 }

97 BluetoothDevice device = null;

98 // 搜索设备时，取得设备的MAC地址

99 if (BluetoothDevice.ACTION_FOUND.equals(action)) {

100 device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);

101 if (device.getBondState() == BluetoothDevice.BOND_NONE) {

102 String str = "未配对|" + device.getName() + "|"

103 + device.getAddress();

104 if (lstDevices.indexOf(str) == -1)// 防止重复添加

105 lstDevices.add(str); // 获取设备名称和mac地址

106 adtDevices.notifyDataSetChanged();

107 }

108 }else if(BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)){

109 device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);

110 switch (device.getBondState()) {

111 case BluetoothDevice.BOND_BONDING:

112 Log.d("BlueToothTestActivity", "正在配对......");

113 break;

114 case BluetoothDevice.BOND_BONDED:

115 Log.d("BlueToothTestActivity", "完成配对");

116 connect(device);//连接设备

117 break;

118 case BluetoothDevice.BOND_NONE:

119 Log.d("BlueToothTestActivity", "取消配对");

120 default:

121 break;

122 }

123 }

124

125 }

126 };

127

128 @Override

129 protected void onDestroy() {

130 this.unregisterReceiver(searchDevices);

131 super.onDestroy();

132 android.os.Process.killProcess(android.os.Process.myPid());

133 }

134

135 class ItemClickEvent implements AdapterView.OnItemClickListener {

136

137 @Override

138 public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,

139 long arg3) {

140 if(btAdapt.isDiscovering()) btAdapt.cancelDiscovery();

141 String str = lstDevices.get(arg2);

142 String[] values = str.split("\\|");

143 String address = values[2];

144 Log.e("address", values[2]);

145 BluetoothDevice btDev = btAdapt.getRemoteDevice(address);

146 try {

147 Boolean returnValue = false;

148 if (btDev.getBondState() == BluetoothDevice.BOND_NONE) {

149 //利用反射方法调用BluetoothDevice.createBond(BluetoothDevice remoteDevice);

150 Method createBondMethod = BluetoothDevice.class

151 .getMethod("createBond");

152 Log.d("BlueToothTestActivity", "开始配对");

153 returnValue = (Boolean) createBondMethod.invoke(btDev);

154

155 }else if(btDev.getBondState() == BluetoothDevice.BOND_BONDED){

156 connect(btDev);

157 }

158 } catch (Exception e) {

159 e.printStackTrace();

160 }

161

162 }

163

164 }

165

166 private void connect(BluetoothDevice btDev) {

167 UUID uuid = UUID.fromString(SPP_UUID);

168 try {

169 btSocket = btDev.createRfcommSocketToServiceRecord(uuid);

170 Log.d("BlueToothTestActivity", "开始连接...");

171 btSocket.connect();

172 } catch (IOException e) {

173 // TODO Auto-generated catch block

174 e.printStackTrace();

175 }

176 }

177

178 class ClickEvent implements View.OnClickListener {

179 @Override

180 public void onClick(View v) {

181 if (v == btnSearch)// 搜索蓝牙设备，在BroadcastReceiver显示结果

182 {

183 if (btAdapt.getState() == BluetoothAdapter.STATE_OFF) {// 如果蓝牙还没开启

184 Toast.makeText(BlueToothTestActivity.this, "请先打开蓝牙", 1000)

185 .show();

186 return;

187 }

188 if (btAdapt.isDiscovering())

189 btAdapt.cancelDiscovery();

190 lstDevices.clear();

191 Object[] lstDevice = btAdapt.getBondedDevices().toArray();

192 for (int i = 0; i < lstDevice.length; i++) {

193 BluetoothDevice device = (BluetoothDevice) lstDevice[i];

194 String str = "已配对|" + device.getName() + "|"

195 + device.getAddress();

196 lstDevices.add(str); // 获取设备名称和mac地址

197 adtDevices.notifyDataSetChanged();

198 }

199 setTitle("本机蓝牙地址：" + btAdapt.getAddress());

200 btAdapt.startDiscovery();

201 } else if (v == tbtnSwitch) {// 本机蓝牙启动/关闭

202 if (tbtnSwitch.isChecked() == false)

203 btAdapt.enable();

204

205 else if (tbtnSwitch.isChecked() == true)

206 btAdapt.disable();

207 } else if (v == btnDis)// 本机可以被搜索

208 {

209 Intent discoverableIntent = new Intent(

210 BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);

211 discoverableIntent.putExtra(

212 BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);

213 startActivity(discoverableIntent);

214 } else if (v == btnExit) {

215 try {

216 if (btSocket != null)

217 btSocket.close();

218 } catch (IOException e) {

219 e.printStackTrace();

220 }

221 BlueToothTestActivity.this.finish();

222 }

223 }

224

225 }

226 }

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