实例介绍
【实例简介】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 | package gjz.bluetooth; import gjz.bluetooth.R; import gjz.bluetooth.Bluetooth.ServerOrCilent; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.ArrayList; import java.util.UUID; import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothServerSocket; import android.bluetooth.BluetoothSocket; import android.content.Context; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.view.inputmethod.InputMethodManager; import android.widget.AdapterView; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; public class chatActivity extends Activity implements OnItemClickListener ,OnClickListener{ /** Called when the activity is first created. */ private ListView mListView; private ArrayList<deviceListItem>list; private Button sendButton; private Button disconnectButton; private EditText editMsgView; deviceListAdapter mAdapter; Context mContext; /* 一些常量,代表服务器的名称 */ public static final String PROTOCOL_SCHEME_L2CAP = "btl2cap"; public static final String PROTOCOL_SCHEME_RFCOMM = "btspp"; public static final String PROTOCOL_SCHEME_BT_OBEX = "btgoep"; public static final String PROTOCOL_SCHEME_TCP_OBEX = "tcpobex"; private BluetoothServerSocket mserverSocket = null; private ServerThread startServerThread = null; private clientThread clientConnectThread = null; private BluetoothSocket socket = null; private BluetoothDevice device = null; private readThread mreadThread = null;; private BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.chat); mContext = this; init(); } private void init() { list = new ArrayList<deviceListItem>(); mAdapter = new deviceListAdapter(this, list); mListView = (ListView) findViewById(R.id.list); mListView.setAdapter(mAdapter); mListView.setOnItemClickListener(this); mListView.setFastScrollEnabled(true); editMsgView= (EditText)findViewById(R.id.MessageText); editMsgView.clearFocus(); sendButton= (Button)findViewById(R.id.btn_msg_send); sendButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub String msgText =editMsgView.getText().toString(); if (msgText.length()>0) { sendMessageHandle(msgText); editMsgView.setText(""); editMsgView.clearFocus(); //close InputMethodManager InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(editMsgView.getWindowToken(), 0); }else Toast.makeText(mContext, "发送内容不能为空!", Toast.LENGTH_SHORT).show(); } }); disconnectButton= (Button)findViewById(R.id.btn_disconnect); disconnectButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub if (Bluetooth.serviceOrCilent == ServerOrCilent.CILENT) { shutdownClient(); } else if (Bluetooth.serviceOrCilent == ServerOrCilent.SERVICE) { shutdownServer(); } Bluetooth.isOpen = false; Bluetooth.serviceOrCilent=ServerOrCilent.NONE; Toast.makeText(mContext, "已断开连接!", Toast.LENGTH_SHORT).show(); } }); } private Handler LinkDetectedHandler = new Handler() { @Override public void handleMessage(Message msg) { //Toast.makeText(mContext, (String)msg.obj, Toast.LENGTH_SHORT).show(); if(msg.what==1) { list.add(new deviceListItem((String)msg.obj, true)); } else { list.add(new deviceListItem((String)msg.obj, false)); } mAdapter.notifyDataSetChanged(); mListView.setSelection(list.size() - 1); } }; @Override public synchronized void onPause() { super.onPause(); } @Override public synchronized void onResume() { super.onResume(); if(Bluetooth.isOpen) { Toast.makeText(mContext, "连接已经打开,可以通信。如果要再建立连接,请先断开!", Toast.LENGTH_SHORT).show(); return; } if(Bluetooth.serviceOrCilent==ServerOrCilent.CILENT) { String address = Bluetooth.BlueToothAddress; if(!address.equals("null")) { device = mBluetoothAdapter.getRemoteDevice(address); clientConnectThread = new clientThread(); clientConnectThread.start(); Bluetooth.isOpen = true; } else { Toast.makeText(mContext, "address is null !", Toast.LENGTH_SHORT).show(); } } else if(Bluetooth.serviceOrCilent==ServerOrCilent.SERVICE) { startServerThread = new ServerThread(); startServerThread.start(); Bluetooth.isOpen = true; } } //开启客户端 private class clientThread extends Thread { public void run() { try { //创建一个Socket连接:只需要服务器在注册时的UUID号 // socket = device.createRfcommSocketToServiceRecord(BluetoothProtocols.OBEX_OBJECT_PUSH_PROTOCOL_UUID); socket = device.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB")); //连接 Message msg2 = new Message(); msg2.obj = "请稍候,正在连接服务器:" Bluetooth.BlueToothAddress; msg2.what = 0; LinkDetectedHandler.sendMessage(msg2); socket.connect(); Message msg = new Message(); msg.obj = "已经连接上服务端!可以发送信息。"; msg.what = 0; LinkDetectedHandler.sendMessage(msg); //启动接受数据 mreadThread = new readThread(); mreadThread.start(); } catch (IOException e) { Log.e("connect", "", e); Message msg = new Message(); msg.obj = "连接服务端异常!断开连接重新试一试。"; msg.what = 0; LinkDetectedHandler.sendMessage(msg); } } }; //开启服务器 private class ServerThread extends Thread { public void run() { try { /* 创建一个蓝牙服务器 * 参数分别:服务器名称、UUID */ mserverSocket = mBluetoothAdapter.listenUsingRfcommWithServiceRecord(PROTOCOL_SCHEME_RFCOMM, UUID.fromString("00001101-0000-1000-8000-00805F9B34FB")); Log.d("server", "wait cilent connect..."); Message msg = new Message(); msg.obj = "请稍候,正在等待客户端的连接..."; msg.what = 0; LinkDetectedHandler.sendMessage(msg); /* 接受客户端的连接请求 */ socket = mserverSocket.accept(); Log.d("server", "accept success !"); Message msg2 = new Message(); String info = "客户端已经连接上!可以发送信息。"; msg2.obj = info; msg.what = 0; LinkDetectedHandler.sendMessage(msg2); //启动接受数据 mreadThread = new readThread(); mreadThread.start(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }; /* 停止服务器 */ private void shutdownServer() { new Thread() { public void run() { if(startServerThread != null) { startServerThread.interrupt(); startServerThread = null; } if(mreadThread != null) { mreadThread.interrupt(); mreadThread = null; } try { if(socket != null) { socket.close(); socket = null; } if (mserverSocket != null) { mserverSocket.close();/* 关闭服务器 */ mserverSocket = null; } } catch (IOException e) { Log.e("server", "mserverSocket.close()", e); } }; }.start(); } /* 停止客户端连接 */ private void shutdownClient() { new Thread() { public void run() { if (clientConnectThread!= null ) { clientConnectThread.interrupt(); clientConnectThread= null ; } if (mreadThread != null ) { mreadThread.interrupt(); mreadThread = null ; } if (socket != null ) { try { socket.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } socket = null ; } }; }.start(); } //发送数据 private void sendMessageHandle(String msg) { if (socket == null ) { Toast.makeText(mContext, "没有连接" , Toast.LENGTH_SHORT).show(); return ; } try { OutputStream os = socket.getOutputStream(); os.write(msg.getBytes()); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } list.add( new deviceListItem(msg, false )); mAdapter.notifyDataSetChanged(); mListView.setSelection(list.size() - 1 ); } //读取数据 private class readThread extends Thread { public void run() { byte [] buffer = new byte [ 1024 ]; int bytes; InputStream mmInStream = null ; try { mmInStream = socket.getInputStream(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } while ( true ) { try { // Read from the InputStream if ( (bytes = mmInStream.read(buffer)) > 0 ) { byte [] buf_data = new byte [bytes]; for ( int i= 0 ; i<bytes; i ) { buf_data[i] = buffer[i]; } String s = new String(buf_data); Message msg = new Message(); msg.obj = s; msg.what = 1 ; LinkDetectedHandler.sendMessage(msg); } } catch (IOException e) { try { mmInStream.close(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } break ; } } } } @Override protected void onDestroy() { super .onDestroy(); if (Bluetooth.serviceOrCilent == ServerOrCilent.CILENT) { shutdownClient(); } else if (Bluetooth.serviceOrCilent == ServerOrCilent.SERVICE) { shutdownServer(); } Bluetooth.isOpen = false ; Bluetooth.serviceOrCilent = ServerOrCilent.NONE; } public class SiriListItem { String message; boolean isSiri; public SiriListItem(String msg, boolean siri) { message = msg; isSiri = siri; } } @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub } @Override public void onClick(View arg0) { // TODO Auto-generated method stub } public class deviceListItem { String message; boolean isSiri; public deviceListItem(String msg, boolean siri) { message = msg; isSiri = siri; } } } |
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