实例介绍
【实例简介】
wifi基本功能
【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 | package com.ethanco.wifitransmit;import android.app.Activity;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.net.DhcpInfo;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Bundle;import android.os.Handler;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.TextView;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.InetAddress;import java.net.ServerSocket;import java.net.Socket;import java.net.UnknownHostException;public class QuickTransferActivity extends Activity implements DisplayMesage, ITransferResult { /** * Called when the activity is first created. */ TextView content; Button mBtn3, mBtn4; WifiAdmin mWifiAdmin; WifiApAdmin wifiAp; Context context; final static String TAG = "robin"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); content = (TextView) this.findViewById(R.id.content); /** */ mBtn3 = (Button) findViewById(R.id.button3); mBtn4 = (Button) findViewById(R.id.button4); mBtn3.setText("点击连接Wifi"); mBtn4.setText("点击创建Wifi热点"); context = this; mBtn3.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub mWifiAdmin = new WifiAdmin(context) { @Override public void myUnregisterReceiver(BroadcastReceiver receiver) { // TODO Auto-generated method stub unregisterReceiver(receiver); } @Override public Intent myRegisterReceiver(BroadcastReceiver receiver, IntentFilter filter) { // TODO Auto-generated method stub registerReceiver(receiver, filter); return null; } @Override public void onNotifyWifiConnected() { // TODO Auto-generated method stub Log.v(TAG, "have connected success!"); Log.v(TAG, "###############################"); } @Override public void onNotifyWifiConnectFailed() { // TODO Auto-generated method stub Log.v(TAG, "have connected failed!"); Log.v(TAG, "###############################"); } }; mWifiAdmin.openWifi(); mWifiAdmin.addNetwork(mWifiAdmin.createWifiInfo(Constant.HOST_SPOT_SSID, Constant.HOST_SPOT_PASS_WORD, WifiAdmin.TYPE_WPA)); } }); mBtn4.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub wifiAp = new WifiApAdmin(context); wifiAp.startWifiAp(Constant.HOST_SPOT_SSID, Constant.HOST_SPOT_PASS_WORD); } }); } public void onClick(View view) { if (view.getId() == R.id.button1) { WifiManager wifiManage = (WifiManager) getSystemService(Context.WIFI_SERVICE); DhcpInfo info = wifiManage.getDhcpInfo(); WifiInfo wifiinfo = wifiManage.getConnectionInfo(); String ip = intToIp(wifiinfo.getIpAddress()); String serverAddress = intToIp(info.serverAddress); new Sender(serverAddress, this, this).start(); Log.w("robin", "ip:" ip "serverAddress:" serverAddress info); } else if (view.getId() == R.id.button2) { Receiver service = new Receiver(this, this); service.start(); } } Handler handler = new Handler(); StringBuffer strBuffer = new StringBuffer(); public void displayMesage(final String msg) { Runnable r = new Runnable() { public void run() { // TODO Auto-generated method stub if (strBuffer.length() > 1024) { strBuffer.delete(0, 100); } strBuffer.append(msg "\n"); content.setText(strBuffer.toString()); content.invalidate(); } }; handler.post(r); } // 将获取的int转为真正的ip地址,参考的网上的，修改了下 private String intToIp(int i) { return (i & 0xFF) "." ((i >> 8) & 0xFF) "." ((i >> 16) & 0xFF) "." ((i >> 24) & 0xFF); } @Override public void appendMesage(String msg) { displayMesage(msg); } @Override public void onResult(int result, long size) { if (wifiAp != null) { wifiAp.closeWifiAp(context); } // TODO Auto-generated method stub closeWifi(); Runnable r = new Runnable() { @Override public void run() { // TODO Auto-generated method stub displayMesage("try to open wifi"); openWifi(); displayMesage("open wifi end"); } }; handler.postDelayed(r, 30 * 1000); } WifiManager mWifiManager; // 打开WIFI public void openWifi() { if (mWifiAdmin != null) { mWifiAdmin.openWifi(); return; } if (mWifiManager == null) { mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); } if (!mWifiManager.isWifiEnabled()) { mWifiManager.setWifiEnabled(true); } } // 关闭WIFI public void closeWifi() { if (mWifiAdmin != null) { mWifiAdmin.closeWifi(); return; } if (mWifiManager == null) { mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); } if (mWifiManager.isWifiEnabled()) { mWifiManager.setWifiEnabled(false); } }}interface DisplayMesage { void displayMesage(String msg); void appendMesage(String msg);}interface ITransferResult { void onResult(int result, long size);}class Receiver extends Thread { private static BufferedReader in; DisplayMesage console; ITransferResult transferResult; Receiver(DisplayMesage console, ITransferResult transferResult) { super(); this.console = console; this.transferResult = transferResult; } public void run() { try { ServerSocket socketService = new ServerSocket(3358); Log.i("robin", "waiting a connection from the client" socketService); Socket sock = socketService.accept(); String hostAddress = sock.getLocalAddress().getHostAddress(); String inetAddress = sock.getInetAddress().getHostAddress(); Log.w("robin", "local:" hostAddress "| inetAddress" inetAddress "|" sock.getRemoteSocketAddress()); Log.w("robin", "local name:" sock.getLocalAddress().getHostName() "| inetAddress" sock.getInetAddress().getHostName() "|" InetAddress.getLocalHost().getHostAddress()); in = new BufferedReader(new InputStreamReader(sock.getInputStream())); String line; boolean flag = true; long count = 0; long time = System.currentTimeMillis(); do { line = in.readLine(); if (flag) { console.displayMesage("Recevie:" line); flag = false; } count = count line.length(); if (count % 1024 == 0) { console.displayMesage("Recevied:" ((count << 1) >> 10) "kB data"); } } while (!Constant.END.equals(line)); Log.w("robin", "you input is :" line); long t = System.currentTimeMillis() - time; if (t == 0) t = 1; count = count << 1; long rate = ((count / t) * 1000) / 1024; count = count >> 10; console.displayMesage("Recevied:" count "kB data" " in " t " ms" " at rate:" rate " kB/second"); Log.i("robin", "exit the app"); sock.close(); socketService.close(); transferResult.onResult(1, count); } catch (Exception e) { e.printStackTrace(); } }}class Sender extends Thread { DisplayMesage console; String serverIp; ITransferResult transferResult; Sender(String serverAddress, DisplayMesage console, ITransferResult transferResult) { super(); serverIp = serverAddress; this.console = console; this.transferResult = transferResult; } public void run() { Socket sock = null; PrintWriter out; try { // 声明sock，其中参数为服务端的IP地址与自定义端口 sock = new Socket(serverIp, 3358); Log.w("robin", "I am try to writer" sock); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } char data[] = new char[1024 * 10]; for (int i = 0; i < data.length; i ) { data[i] = (char) i; } try { if (sock != null) { // 声明输出流out，向服务端输出“Output Message！！” final String msg = "Hello,this is robin!!"; Log.w("robin", "try to writer"); out = new PrintWriter(sock.getOutputStream(), true); StringBuffer strBuffer = new StringBuffer(); strBuffer.append(msg); String str = msg; for (int i = 0; i < 1024; i ) { if (i != 0) { str = msg System.currentTimeMillis() "|"; out.write(data); } out.println(str); Log.w("robin", str); if (i == 0) { console.displayMesage("send message...."); } else if (i % 100 == 0) { console.displayMesage("send message " i " success!"); } if (strBuffer.length() > 1024) { strBuffer.delete(0, strBuffer.length()); } } out.println(Constant.END); out.flush(); } transferResult.onResult(1, 1); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } try { if (sock != null) { sock.close(); } } catch (Exception ex) { ex.printStackTrace(); } }} |
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