android 连接指定wifi

连接指定wifi

/** * Created by grzh02 on 2018/9/3. */public class WifiAutoConnector {    private static final String TAG = WifiAutoConnector.class.getSimpleName();    private WifiManager wifiManager;    private IWifiConnectorListener mListener;    public static final int WIFI_CIPHER_WPA = 3;    public static final int WIFI_CIPHER_NOPASS = 2;    public static final int WIFI_CIPHER_WEP = 1;    // 构造函数    public WifiAutoConnector(WifiManager wifiManager) {        this.wifiManager = wifiManager;    }    public void setConnectorListener(IWifiConnectorListener listener) {        this.mListener = listener;    }    // 提供一个外部接口，传入要连接的无线网    public void connect(String ssid, String password, int type) {        ConnectManager cm = new ConnectManager(ssid, password, type);        cm.connect();    }    // 查看以前是否也配置过这个网络    private WifiConfiguration isExist(String SSID) {        List existingConfigs = wifiManager.getConfiguredNetworks();        if (existingConfigs != null) {            for (WifiConfiguration existingConfig : existingConfigs) {                if (existingConfig.SSID.equals("\"" + SSID + "\"")) {                    return existingConfig;                }            }        }        return null;    }    private WifiConfiguration createWifiInfo(String SSID, String Password, int wifiCapabilities) {        WifiConfiguration config = new WifiConfiguration();        config.allowedAuthAlgorithms.clear();        config.allowedGroupCiphers.clear();        config.allowedKeyManagement.clear();        config.allowedPairwiseCiphers.clear();        config.allowedProtocols.clear();        config.SSID = "\"" + SSID + "\"";        // nopass        if (wifiCapabilities == WIFI_CIPHER_NOPASS) {            config.wepKeys[0] = "\"" + "\"";            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);            config.wepTxKeyIndex = 0;        }        // wep        if (wifiCapabilities == WIFI_CIPHER_WEP) {            if (!TextUtils.isEmpty(Password)) {                if (isHexWepKey(Password)) {                    config.wepKeys[0] = Password;                } else {                    config.wepKeys[0] = "\"" + Password + "\"";                }            }            config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);            config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);            config.wepTxKeyIndex = 0;        }        // wpa        if (wifiCapabilities == WIFI_CIPHER_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);            // 此处需要修改否则不能自动重联            // 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;    }    // 打开wifi功能    private boolean openWifi() {        boolean bRet = true;        if (!wifiManager.isWifiEnabled()) {            bRet = wifiManager.setWifiEnabled(true);        }        return bRet;    }    class ConnectManager {        private String ssid;        private String password;        private int type;        public ConnectManager(String ssid, String password, int type) {            this.ssid = ssid;            this.password = password;            this.type = type;        }        public void connect() {            // 打开wifi            boolean isOpen = openWifi();            if (!isOpen) {                mListener.onConnectorState(false, "");                return;            }            wifiManager.disconnect();            while (wifiManager.getWifiState() == WifiManager.WIFI_STATE_ENABLING) {                try {                    // 为了避免程序一直while循环，让它睡个100毫秒检测……                    Thread.sleep(300);                } catch (InterruptedException ie) {                }            }//            WifiConfiguration tempConfig = isExist(ssid);//            if (tempConfig != null) {//                int networkId = wifiManager.getConnectionInfo().getNetworkId();//                boolean isForgot = wifiManager.removeNetwork(networkId);//                if (!isForgot) {//                    Log.i(TAG, "网络忘记不成功....");//                }//            } else {//                Log.i(TAG, "该网络的配置不存在....");//            }            WifiConfiguration wifiConfig = createWifiInfo(ssid, password, type);            if (wifiConfig == null) {                Log.d(TAG, "wifiConfig is null!");                return;            }            int netID = wifiManager.addNetwork(wifiConfig);            boolean enabled = wifiManager.enableNetwork(netID, true);            Log.e(TAG, "enable=" + enabled + " ssid = " + ssid);            String tmpSsid = "\"" + ssid + "\"";            boolean connected = wifiManager.reconnect() && tmpSsid.equals(CommonUtils.getWifiName());            Log.d(TAG, "enableNetwork connected=" + connected);            if (mListener != null) {                mListener.onConnectorState(connected, NetUtils.getLocalIpAddress(App.getContext()));            }        }    }    private static boolean isHexWepKey(String wepKey) {        final int len = wepKey.length();        // WEP-40, WEP-104, and some vendors using 256-bit WEP (WEP-232?)        if (len != 10 && len != 26 && len != 58) {            return false;        }        return isHex(wepKey);    }    private static boolean isHex(String key) {        for (int i = key.length() - 1; i >= 0; i--) {            final char c = key.charAt(i);            if (!(c >= '0' && c <= '9' || c >= 'A' && c <= 'F' || c >= 'a' && c <= 'f')) {                return false;            }        }        return true;    }}
连接指定wifi

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