WifiAdmin WiFi管理工具類

public class WifiAdmin {

    private static final String TAG = WifiAdmin.class.getSimpleName();

    // 定義WifiManager對象
    private static WifiManager mWifiManager;
    // 定義WifiInfo對象
    private WifiInfo mWifiInfo;
    // 掃描出的網(wǎng)絡(luò)連接列表
    private List<ScanResult> mWifiList = new ArrayList();
    // 網(wǎng)絡(luò)連接列表
    private List<WifiConfiguration> mWifiConfiguration;
    // 定義一個WifiLock
    private WifiLock mWifiLock;

    public static boolean isConnect = false;

    // 構(gòu)造器
    public WifiAdmin(Context context) {
        // 取得WifiManager對象
        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        // 取得WifiInfo對象
        mWifiInfo = mWifiManager.getConnectionInfo();
    }

    // 打開WIFI
    public void openWifi(Context context) {
        if (!mWifiManager.isWifiEnabled()) {
            mWifiManager.setWifiEnabled(true);
        } else if (mWifiManager.getWifiState() == 2) {
            Toast.makeText(context, "親，Wifi正在開啟，不用再開了", Toast.LENGTH_SHORT).show();
        } else {
            Toast.makeText(context, "親，Wifi已經(jīng)開啟,不用再開了", Toast.LENGTH_SHORT).show();
        }
    }

    // 關(guān)閉WIFI
    public void closeWifi(Context context) {
        if (mWifiManager.isWifiEnabled()) {
            mWifiManager.setWifiEnabled(false);
        } else if (mWifiManager.getWifiState() == 1) {
            Toast.makeText(context, "親，Wifi已經(jīng)關(guān)閉，不用再關(guān)了", Toast.LENGTH_SHORT).show();
        } else if (mWifiManager.getWifiState() == 0) {
            Toast.makeText(context, "親，Wifi正在關(guān)閉，不用再關(guān)了", Toast.LENGTH_SHORT).show();
        } else {
            Toast.makeText(context, "請重新關(guān)閉", Toast.LENGTH_SHORT).show();
        }
    }

    // 檢查當(dāng)前WIFI狀態(tài)
    public void checkState(Context context) {
        if (mWifiManager.getWifiState() == 0) {
            Toast.makeText(context, "Wifi正在關(guān)閉", Toast.LENGTH_SHORT).show();
        } else if (mWifiManager.getWifiState() == 1) {
            Toast.makeText(context, "Wifi已經(jīng)關(guān)閉", Toast.LENGTH_SHORT).show();
        } else if (mWifiManager.getWifiState() == 2) {
            Toast.makeText(context, "Wifi正在開啟", Toast.LENGTH_SHORT).show();
        } else if (mWifiManager.getWifiState() == 3) {
            Toast.makeText(context, "Wifi已經(jīng)開啟", Toast.LENGTH_SHORT).show();
        } else {
            Toast.makeText(context, "沒有獲取到WiFi狀態(tài)", Toast.LENGTH_SHORT).show();
        }
    }

    public boolean getWifiState(Context context) {
        if (mWifiManager.getWifiState() == 3) { // Wifi已經(jīng)開啟
            return true;
        }
        return false;
    }

    // 鎖定WifiLock
    public void acquireWifiLock() {
        mWifiLock.acquire();
    }

    // 解鎖WifiLock
    public void releaseWifiLock() {
        // 判斷時候鎖定
        if (mWifiLock.isHeld()) {
            mWifiLock.acquire();
        }
    }

    // 創(chuàng)建一個WifiLock
    public void creatWifiLock() {
        mWifiLock = mWifiManager.createWifiLock("Test");
    }

    // 得到配置好的網(wǎng)絡(luò)
    public List<WifiConfiguration> getConfiguration() {
        return mWifiConfiguration;
    }

    // 指定配置好的網(wǎng)絡(luò)進(jìn)行連接
    public void connectConfiguration(int index) {
        // 索引大于配置好的網(wǎng)絡(luò)索引返回
        if (index > mWifiConfiguration.size()) {
            return;
        }
        // 連接配置好的指定ID的網(wǎng)絡(luò)
        mWifiManager.enableNetwork(mWifiConfiguration.get(index).networkId,
                true);
    }

    public void startScan(Context context) {
        mWifiManager.startScan();
        //得到掃描結(jié)果
        List<ScanResult> results = mWifiManager.getScanResults();
        // 得到配置好的網(wǎng)絡(luò)連接
        mWifiConfiguration = mWifiManager.getConfiguredNetworks();
        if (results == null) {
            if (mWifiManager.getWifiState() == 3) {
                Toast.makeText(context, "當(dāng)前區(qū)域沒有無線網(wǎng)絡(luò)", Toast.LENGTH_SHORT).show();
            } else if (mWifiManager.getWifiState() == 2) {
                Toast.makeText(context, "wifi正在開啟，請稍后掃描", Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(context, "WiFi沒有開啟", Toast.LENGTH_SHORT).show();
            }
        } else {
            for (ScanResult result : results) {
                if (result.SSID == null || result.SSID.length() == 0 || result.capabilities.contains("[IBSS]")) {
                    continue;
                }
                boolean found = false;
                for (ScanResult item : mWifiList) {
                    if (item.SSID.equals(result.SSID) && item.capabilities.equals(result.capabilities)) {
                        found = true;
                        break;
                    }
                }
                if (!found) {
                    mWifiList.add(result);
                }
            }
        }
    }


    // 得到網(wǎng)絡(luò)列表
    public List<ScanResult> getWifiList() {
        return mWifiList;
    }

    // 查看掃描結(jié)果
    public StringBuilder lookUpScan() {
        StringBuilder stringBuilder = new StringBuilder();
        for (int i = 0; i < mWifiList.size(); i++) {
            stringBuilder.append("Index_" + new Integer(i + 1).toString() + ":");
            // 將ScanResult信息轉(zhuǎn)換成一個字符串包
            // 其中把包括：BSSID、SSID、capabilities、frequency、level
            stringBuilder.append((mWifiList.get(i)).toString());
            stringBuilder.append("/n");
        }
        return stringBuilder;
    }

    // 得到MAC地址
    public String getMacAddress() {
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.getMacAddress();
    }

    // 得到接入點(diǎn)的BSSID
    public String getBSSID() {
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.getBSSID();
    }

    public String getSSID() {
        mWifiInfo = mWifiManager.getConnectionInfo();
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.getSSID();
    }

    // 得到IP地址
    public int getIPAddress() {
        return (mWifiInfo == null) ? 0 : mWifiInfo.getIpAddress();
    }

    // 得到連接的ID
    public int getNetworkId() {
        return (mWifiInfo == null) ? 0 : mWifiInfo.getNetworkId();
    }

    // 得到WifiInfo的所有信息包
    public String getWifiInfo() {
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.toString();
    }

    public WifiInfo getWifiInfo(Context context) {
        return (mWifiInfo == null) ? null : mWifiInfo;
    }


    public static boolean isConnect(Context context){
        WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
        if(wifiInfo != null){
            NetworkInfo.DetailedState state = wifiInfo.getDetailedStateOf(wifiInfo.getSupplicantState());

            Log.i(TAG, "state=" + state);
            if (state == NetworkInfo.DetailedState.CONNECTED || state == NetworkInfo.DetailedState.OBTAINING_IPADDR) {
                return true;
            }
        }
        return false;
    }

    // 添加一個網(wǎng)絡(luò)并連接
    public int addNetwork(WifiConfiguration wcg) {
        int wcgID = mWifiManager.addNetwork(wcg);
        boolean b = mWifiManager.enableNetwork(wcgID, true);

        Log.i(TAG, "wcgID=" + wcgID + " ,b=" + b + " ,connect=" +  isConnect(null));

        return wcgID;
    }

    // 斷開指定ID的網(wǎng)絡(luò)
    public void disconnectWifi(int netId) {
        mWifiManager.disableNetwork(netId);
        mWifiManager.disconnect();
    }

    public void removeWifi(int netId) {
        disconnectWifi(netId);
        mWifiManager.removeNetwork(netId);
    }


    public int getWifiLevel() {
        int level = mWifiInfo.getRssi();
        if (level <= 0 && level >= -50) {
            return 1;
        } else if (level < -50 && level >= -70) {
            return 2;
        } else if (level < -70 && level >= -80) {
            return 3;
        } else if (level < -80 && level >= -100) {
            return 4;
        }
        return 4;
    }

    //然后是一個實(shí)際應(yīng)用方法，只驗(yàn)證過沒有密碼的情況：
    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) {
            mWifiManager.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;
    }

    private WifiConfiguration IsExsits(String SSID) {
        List<WifiConfiguration> existingConfigs = mWifiManager.getConfiguredNetworks();
        for (WifiConfiguration existingConfig : existingConfigs) {
            if (existingConfig.SSID.equals("\"" + SSID + "\"")) {
                return existingConfig;
            }
        }
        return null;
    }
}
?著作權(quán)歸作者所有,轉(zhuǎn)載或內(nèi)容合作請聯(lián)系作者
【社區(qū)內(nèi)容提示】社區(qū)部分內(nèi)容疑似由AI輔助生成，瀏覽時請結(jié)合常識與多方信息審慎甄別。
平臺聲明：文章內(nèi)容（如有圖片或視頻亦包括在內(nèi)）由作者上傳并發(fā)布，文章內(nèi)容僅代表作者本人觀點(diǎn)，簡書系信息發(fā)布平臺，僅提供信息存儲服務(wù)。

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容