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Android 应用内连接指定 WIFI_android 连接指定wifi

作者：你好赵伟 | 2024-06-12 23:53:57

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android 连接指定wifi
广播过滤Action
  1.  
  2. WifiManager.NETWORK_STATE_CHANGED_ACTION

工具类

  1. package com.yw.wifipage.wifi;
  2.  
  3. import android.content.Context;
  4. import android.content.IntentFilter;
  5. import android.net.ConnectivityManager;
  6. import android.net.NetworkInfo;
  7. import android.net.wifi.WifiConfiguration;
  8. import android.net.wifi.WifiInfo;
  9. import android.net.wifi.WifiManager;
  10. import android.os.Handler;
  11.  
  12. import com.yw.wifipage.receiver.WifiChangeReceiver;
  13.  
  14. public class WifiConnectUtil {
  15.  
  16.     private boolean isConnect = false;
  17.     private WifiChangeReceiver receiver;
  18.  
  19.     public void connect(Context context, String ssid, String bssid, String password, int timeOut, IConnectListener listener) {
  20.  
  21.         String mssid = ssid.replace("\"", "");
  22.  
  23.         WifiConfiguration wifiCong = new WifiConfiguration();
  24.         wifiCong.allowedAuthAlgorithms.clear();
  25.         wifiCong.allowedGroupCiphers.clear();
  26.         wifiCong.allowedKeyManagement.clear();
  27.         wifiCong.allowedPairwiseCiphers.clear();
  28.         wifiCong.allowedProtocols.clear();
  29.         wifiCong.SSID = "\"" + mssid + "\"";
  30.         wifiCong.BSSID = bssid;
  31.         wifiCong.preSharedKey = "\"" + password + "\"";//WPA-PSK密码
  32.         wifiCong.hiddenSSID = false;
  33.         wifiCong.status = WifiConfiguration.Status.ENABLED;
  34.         int id = MyNetworkUtil.getInstance().getWifiManager().addNetwork(wifiCong);
  35.         MyNetworkUtil.getInstance().getWifiManager().enableNetwork(id, true);
  36.  
  37.         //注册广播快速监听连接状态
  38.         receiver = new WifiChangeReceiver(networkInfo -> {
  39.             if (networkInfo.getDetailedState() == NetworkInfo.DetailedState.CONNECTED && networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
  40.                 WifiInfo wifiInfo = MyNetworkUtil.getInstance().getWifiInfo();
  41.                 if (wifiInfo.getSSID().replace("\"", "").equals(mssid)) {
  42.                     isConnect = true;
  43.                     if (receiver != null) {
  44.                         context.unregisterReceiver(receiver);
  45.                         receiver = null;
  46.                         listener.onConnected();
  47.                     }
  48.                 }
  49.             }
  50.         });
  51.  
  52.         IntentFilter intentFilter = new IntentFilter();
  53.         intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
  54.         context.registerReceiver(receiver, intentFilter);
  55.         //延时监听变化
  56.         new Handler().postDelayed(new Runnable() {
  57.             @Override
  58.             public void run() {
  59.                 if (isConnect) {
  60.                     return;
  61.                 }
  62.                 if (receiver != null) {
  63.                     context.unregisterReceiver(receiver);
  64.                 }
  65.                 MyNetworkUtil.getInstance().getWifiManager().removeNetwork(id);
  66.                 MyNetworkUtil.getInstance().getWifiManager().reconnect();
  67.                 listener.onConnectFail();
  68.             }
  69.         }, timeOut);
  70.     }
  71.  
  72.  
  73.     public interface IConnectListener {
  74.         void onConnected();
  75.         void onConnectFail();
  76.     }
  77. }

 广播接收器

  1. package com.yw.wifipage.receiver;
  2.  
  3. import android.content.BroadcastReceiver;
  4. import android.content.Context;
  5. import android.content.Intent;
  6. import android.net.NetworkInfo;
  7. import android.net.wifi.WifiManager;
  8. import android.os.Parcelable;
  9.  
  10. public class WifiChangeReceiver extends BroadcastReceiver {
  11.     private String TAG = "WifiChangeReceiver";
  12.     private IWIfiChangeCallBack iwIfiChangeCallBack;
  13.  
  14.     public WifiChangeReceiver(IWIfiChangeCallBack iwIfiChangeCallBack) {
  15.         this.iwIfiChangeCallBack = iwIfiChangeCallBack;
  16.     }
  17.  
  18.     @Override
  19.     public void onReceive(Context context, Intent intent) {
  20.         Parcelable extra = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
  21.         if (extra != null) {
  22.             NetworkInfo networkInfo = (NetworkInfo) extra;
  23.             if (networkInfo != null) {
  24.                 iwIfiChangeCallBack.onChange(networkInfo);
  25.             }
  26.         }
  27.     }
  28. }
  1.  
  2. import android.annotation.SuppressLint;
  3. import android.content.Context;
  4. import android.location.LocationManager;
  5. import android.net.ConnectivityManager;
  6. import android.net.NetworkInfo;
  7. import android.net.wifi.ScanResult;
  8. import android.net.wifi.WifiConfiguration;
  9. import android.net.wifi.WifiInfo;
  10. import android.net.wifi.WifiManager;
  11. import android.os.Handler;
  12. import android.os.Message;
  13. import android.util.Log;
  14.  
  15. import java.io.BufferedReader;
  16. import java.io.InputStream;
  17. import java.io.InputStreamReader;
  18. import java.net.Inet6Address;
  19. import java.net.InetAddress;
  20. import java.net.NetworkInterface;
  21. import java.net.SocketException;
  22. import java.util.Enumeration;
  23. import java.util.List;
  24.  
  25. public class MyNetworkUtil {
  26.     private static MyNetworkUtil myWifiUtil;
  27.     private WifiManager wifiManager;
  28.     private ConnectivityManager connectivityManager;
  29.     private Thread pingThread;
  30.     private boolean startPing = false;
  31.  
  32.     private MyNetworkUtil() {
  33.  
  34.     }
  35.  
  36.     public static MyNetworkUtil getInstance() {
  37.         if (myWifiUtil == null) {
  38.             myWifiUtil = new MyNetworkUtil();
  39.         }
  40.         return myWifiUtil;
  41.     }
  42.  
  43.     public WifiManager getWifiManager() {
  44.         if (wifiManager == null) {
  45.             wifiManager = (WifiManager) MyApplication.getContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
  46.         }
  47.         return wifiManager;
  48.     }
  49.  
  50.     public ConnectivityManager getConnectivityManager() {
  51.         if (connectivityManager == null) {
  52.             connectivityManager = (ConnectivityManager) MyApplication.getContext().getSystemService(Context.CONNECTIVITY_SERVICE);
  53.         }
  54.         return connectivityManager;
  55.     }
  56.  
  57.     public NetworkInfo getNetworkInfo() {
  58.         return getConnectivityManager().getActiveNetworkInfo();
  59.     }
  60.  
  61.     public WifiInfo getWifiInfo() {
  62.         return getWifiManager().getConnectionInfo();
  63.     }
  64.  
  65.     /**
  66.      * 判断 wifi 是否是 5G 频段.
  67.      * 需要权限:
  68.      * <uses-permission android:name="android.permission.INTERNET" />
  69.      * <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
  70.      * <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
  71.      * <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
  72.      */
  73.     public boolean isWifi5G(Object obj) {
  74.         int freq = 0;
  75.         if (obj instanceof WifiInfo) {
  76.             if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.LOLLIPOP) {
  77.                 WifiInfo wifiInfo = (WifiInfo) obj;
  78.                 freq = wifiInfo.getFrequency();
  79.             }
  80.         } else if (obj instanceof ScanResult) {
  81.             ScanResult scanResult = (ScanResult) obj;
  82.             freq = scanResult.frequency;
  83.         }
  84.         return freq > 4900 && freq < 5900;
  85.     }
  86.  
  87.  
  88.     /**
  89.      * 手机是否开启位置服务，如果没有开启那么所有app将不能使用定位功能
  90.      */
  91.     public boolean isLocServiceEnable(Context context) {
  92.         LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
  93.         boolean gps = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
  94.         boolean network = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
  95.         if (gps || network) {
  96.             return true;
  97.         }
  98.         return false;
  99.     }
  100.  
  101.     /**
  102.      * 检查wifi是否可用
  103.      */
  104.     public boolean checkWifiIsEnable() {
  105.         WifiManager wifiManager = (WifiManager) MyApplication.getContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
  106.         return null != wifiManager && wifiManager.isWifiEnabled();
  107.     }
  108.  
  109.  
  110.     /**
  111.      * Get Ip address 自动获取IP地址
  112.      *
  113.      * @throws SocketException
  114.      */
  115.     public String getIpAddress(String ipType) {
  116.         String hostIp = "0.0.0.0";
  117.         try {
  118.             Enumeration nis = NetworkInterface.getNetworkInterfaces();
  119.             InetAddress ia = null;
  120.             while (nis.hasMoreElements()) {
  121.                 NetworkInterface ni = (NetworkInterface) nis.nextElement();
  122.                 if (ni.getName().equals(ipType)) {
  123.                     Enumeration<InetAddress> ias = ni.getInetAddresses();
  124.                     while (ias.hasMoreElements()) {
  125.                         ia = ias.nextElement();
  126.                         if (ia instanceof Inet6Address) {
  127.                             continue;// skip ipv6
  128.                         }
  129.                         String ip = ia.getHostAddress();
  130.                         // 过滤掉127段的ip地址
  131.                         if (!"127.0.0.1".equals(ip)) {
  132.                             hostIp = ia.getHostAddress();
  133.                             break;
  134.                         }
  135.                     }
  136.                 }
  137.             }
  138.         } catch (SocketException e) {
  139.             e.printStackTrace();
  140.         }
  141.         Log.d("vivi", "get the IpAddress--> " + hostIp + "");
  142.         return hostIp;
  143.     }
  144.  
  145.     public String getSecurity(String ssid) {
  146.         ssid = ssid.replace("\"", "");
  147.  
  148.         WifiConfiguration config = null;
  149.  
  150.         @SuppressLint("MissingPermission") List<WifiConfiguration> configurations = wifiManager.getConfiguredNetworks();
  151.         for (WifiConfiguration configuration : configurations) {
  152.             if (configuration.SSID.replace("\"", "").equals(ssid)) {
  153.                 config = configuration;
  154.                 break;
  155.             }
  156.         }
  157.  
  158.         if (config != null) {
  159.             if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_PSK)) {
  160.                 //return SECURITY_PSK;
  161.                 return "WPA/WPA2 PSK";
  162.             }
  163.             if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_EAP) || config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.IEEE8021X)) {
  164.                 return "WEP";
  165.             }
  166.         }
  167.  
  168.         return "unknow";
  169.     }
  170.  
  171.  
  172.     public String getLevel(int level) {
  173.         if (level >= 4) {
  174.             return "强";
  175.         } else if (level >= 2 && level < 4) {
  176.             return "信号稳定";
  177.         }
  178.         return "弱";
  179.     }
  180.  
  181.  
  182.     public void startPing(String host, Handler handler) {
  183.         startPing = true;
  184.         pingThread = new Thread(new Runnable() {
  185.             @Override
  186.             public void run() {
  187.                 try {
  188.                     while (startPing) {
  189.                         //-c 3 3次
  190.                         //-w 5 5秒超时
  191.                         Process exec = Runtime.getRuntime().exec("ping " + host);
  192.                         InputStream inputStream = exec.getInputStream();
  193.                         BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
  194.                         String line;
  195.                         while ((line = reader.readLine()) != null && startPing) {
  196.                             System.out.println("ping====" + line);
  197.                             if (line.contains("time=")) {
  198.                                 String ms = line.split("time=")[1];
  199.                                 Message message = handler.obtainMessage();
  200.                                 message.what = 0;
  201.                                 message.obj = ms;
  202.                                 handler.sendMessage(message);
  203.                             }
  204.                         }
  205.                         reader.close();
  206.                     }
  207.                   //  System.out.println("终止ping");
  208.                 } catch (Exception e) {
  209.                     e.printStackTrace();
  210.                 }
  211.             }
  212.         });
  213.         pingThread.start();
  214.     }
  215.  
  216.     public void stopPing() {
  217.         startPing = false;
  218.     }
  219.  
  220. }

使用方法

  1. new WifiConnectUtil().connect(context, SSID, BSSID, password, 10000,             
  2.             new WifiConnectUtil.IConnectListener() {
  3.                     @Override
  4.                     public void onConnected() {
  5.                         Toast.makeText(context, "连接成功", Toast.LENGTH_SHORT).show();
  6.                      
  7.                     }
  8.  
  9.                     @Override
  10.                     public void onConnectFail() {
  11.                         Toast.makeText(context, "密码错误", Toast.LENGTH_SHORT).show();
  12.                        
  13.                     }
  14.                 });

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