连接WiFi工具类

public class WifiConnect {

    WifiManager wifiManager;

    // 构造函数
    public WifiConnect(WifiManager wifiManager) {
        this.wifiManager = wifiManager;
    }

    // 提供一个外部接口，传入要连接的无线网
    public boolean Connect(String SSID, String Password, int Type) {

        WifiConfiguration wifiConfig = this
                .CreateWifiInfo(SSID, Password, Type);

        WifiConfiguration tempConfig = this.IsExsits(SSID);
        if (tempConfig != null) {
            wifiManager.removeNetwork(tempConfig.networkId);
        }

        int netID = wifiManager.addNetwork(wifiConfig);
        boolean flag = wifiManager.enableNetwork(netID, true);
        return flag;
    }

    // 查看以前是否也配置过这个网络
    private WifiConfiguration IsExsits(String SSID) {
        List<WifiConfiguration> existingConfigs = wifiManager
                .getConfiguredNetworks();
        for (WifiConfiguration existingConfig : existingConfigs) {
            if (existingConfig.SSID.equals(""" + SSID + """)) {
                return existingConfig;
            }
        }
        return null;
    }

    // 配置WifiConfiguration
    public WifiConfiguration CreateWifiInfo(String SSID, String Password,
            int Type) {
        WifiConfiguration config = new WifiConfiguration();
        config.allowedAuthAlgorithms.clear();
        config.allowedGroupCiphers.clear();
        config.allowedKeyManagement.clear();
        config.allowedPairwiseCiphers.clear();
        config.allowedProtocols.clear();
        config.SSID = """ + SSID + """;

        WifiConfiguration tempConfig = this.IsExsits(SSID);
        if (tempConfig != null) {
            wifiManager.removeNetwork(tempConfig.networkId);
        }

        if (Type == 1) // WIFICIPHER_NOPASS
        {
            config.wepKeys[0] = "";
            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
            config.wepTxKeyIndex = 0;
        }
        if (Type == 2) // WIFICIPHER_WEP
        {
            config.hiddenSSID = true;
            config.wepKeys[0] = """ + Password + """;
            config.allowedAuthAlgorithms
                    .set(WifiConfiguration.AuthAlgorithm.SHARED);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
            config.allowedGroupCiphers
                    .set(WifiConfiguration.GroupCipher.WEP104);
            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
            config.wepTxKeyIndex = 0;
        }
        if (Type == 3) // WIFICIPHER_WPA
        {
            config.preSharedKey = """ + Password + """;
            config.hiddenSSID = true;
            config.allowedAuthAlgorithms
                    .set(WifiConfiguration.AuthAlgorithm.OPEN);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
            config.allowedPairwiseCiphers
                    .set(WifiConfiguration.PairwiseCipher.TKIP);
            // config.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
            config.allowedPairwiseCiphers
                    .set(WifiConfiguration.PairwiseCipher.CCMP);
            config.status = WifiConfiguration.Status.ENABLED;
        }
        return config;
    }

}