安卓wifi管理操作帮助类

<span style="font-size:24px;">wifi管理帮助类，可直接用，有网上搜的一些方法，也有自己添加的一些方法，其中需要添加的权限：</span>

<span style="font-size:24px;"><span style="color: rgb(69, 69, 69); font-family: arial, 宋体, sans-serif, tahoma, 'Microsoft YaHei'; font-size: 14px; line-height: 24px;"></span></span><pre style="line-height: 26.600000381469727px; font-family: 'Courier New', Courier, monospace;"><uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission><uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission><uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>

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import java.util.Iterator;import java.util.List;import android.content.Context;import android.net.ConnectivityManager;import android.net.NetworkInfo.State;import android.net.wifi.ScanResult;import android.net.wifi.WifiConfiguration;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.net.wifi.WifiManager.WifiLock;import android.text.TextUtils;public class WifiUtil {private Context context;//定义一个WifiManager对象private WifiManager mWifiManager;//定义一个WifiInfo对象private WifiInfo mWifiInfo;//扫描出的网络连接列表private List<ScanResult> mWifiList;//网络连接列表private List<WifiConfiguration> mWifiConfigurations;WifiLock mWifiLock;public WifiUtil(Context context){//取得WifiManager对象mWifiManager=(WifiManager) context.getSystemService(Context.WIFI_SERVICE);//取得WifiInfo对象mWifiInfo=mWifiManager.getConnectionInfo();this.context=context;}//打开wifipublic boolean openWifi(){boolean isOk=false;if(!mWifiManager.isWifiEnabled()){isOk= mWifiManager.setWifiEnabled(true);}return isOk;}//关闭wifipublic boolean closeWifi(){boolean isOk=false;if(mWifiManager.isWifiEnabled()){isOk=mWifiManager.setWifiEnabled(false);}return isOk;}// 检查当前wifi状态public int checkState() {return mWifiManager.getWifiState();}//锁定wifiLockpublic void acquireWifiLock(){mWifiLock.acquire();}//解锁wifiLockpublic void releaseWifiLock(){//判断是否锁定if(mWifiLock.isHeld()){mWifiLock.acquire();}}//创建一个wifiLockpublic void createWifiLock(){mWifiLock=mWifiManager.createWifiLock("test");}//得到配置好的网络public List<WifiConfiguration> getConfiguration(){return mWifiConfigurations;}//指定配置好的网络进行连接public void connetionConfiguration(int index){if(index>mWifiConfigurations.size()){return ;}//连接配置好指定ID的网络mWifiManager.enableNetwork(mWifiConfigurations.get(index).networkId, true);}public void startScan(){mWifiManager.startScan();//得到扫描结果mWifiList=mWifiManager.getScanResults();//得到配置好的网络连接mWifiConfigurations=mWifiManager.getConfiguredNetworks();}//得到网络列表public List<ScanResult> getWifiList(){return mWifiList;}//查看扫描结果public StringBuffer lookUpScan(){StringBuffer sb=new StringBuffer();for(int i=0;i<mWifiList.size();i++){sb.append("Index_" + new Integer(i + 1).toString() + ":");// 将ScanResult信息转换成一个字符串包// 其中把包括：BSSID、SSID、capabilities、frequency、levelsb.append((mWifiList.get(i)).toString()).append("\n");}return sb;}public String getMacAddress(){return (mWifiInfo==null)?"NULL":mWifiInfo.getMacAddress();}public String getBSSID(){return (mWifiInfo==null)?"NULL":mWifiInfo.getBSSID();}public int getIpAddress(){return (mWifiInfo==null)?0:mWifiInfo.getIpAddress();}//得到连接的IDpublic int getNetWordId(){return (mWifiInfo==null)?0:mWifiInfo.getNetworkId();}//得到wifiInfo的所有信息public String getWifiInfo(){return (mWifiInfo==null)?"NULL":mWifiInfo.toString();}//添加一个网络并连接public boolean addNetWork(WifiConfiguration configuration){int wcgId=mWifiManager.addNetwork(configuration);mWifiManager.saveConfiguration();return  mWifiManager.enableNetwork(wcgId, true);}//断开指定ID的网络public void disConnectionWifi(int netId){mWifiManager.disableNetwork(netId);mWifiManager.disconnect();}// 判断wifi连接状态public boolean isWifiAvailable() {ConnectivityManager conMan = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);State wifi = conMan.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();if (State.CONNECTED == wifi) {return true;} else {return false;}}/*** 创建一个wifi信息* @param ssid 名称* @param passawrd 密码* @param paramInt 有3个参数，1是无密码，2是简单密码，3是wap加密* @param type 是"ap"还是"wifi"* @return*/public WifiConfiguration createWifiInfo(String ssid, String passawrd,int paramInt, String type) {//配置网络信息类WifiConfiguration localWifiConfiguration1 = new WifiConfiguration();//设置配置网络属性localWifiConfiguration1.allowedAuthAlgorithms.clear();localWifiConfiguration1.allowedGroupCiphers.clear();localWifiConfiguration1.allowedKeyManagement.clear();localWifiConfiguration1.allowedPairwiseCiphers.clear();localWifiConfiguration1.allowedProtocols.clear();if(type.equals("wt")) { //wifi连接localWifiConfiguration1.SSID = ("\"" + ssid + "\"");WifiConfiguration localWifiConfiguration2 = isExsits(ssid);if(localWifiConfiguration2 != null) {mWifiManager.removeNetwork(localWifiConfiguration2.networkId); //从列表中删除指定的网络配置网络}if(paramInt == 1) { //没有密码localWifiConfiguration1.wepKeys[0] = "";localWifiConfiguration1.allowedKeyManagement.set(0);localWifiConfiguration1.wepTxKeyIndex = 0;} else if(paramInt == 2) { //简单密码localWifiConfiguration1.hiddenSSID = true;localWifiConfiguration1.wepKeys[0] = ("\"" + passawrd + "\"");} else { //wap加密localWifiConfiguration1.preSharedKey = ("\"" + passawrd + "\"");localWifiConfiguration1.hiddenSSID = true;localWifiConfiguration1.allowedAuthAlgorithms.set(0);localWifiConfiguration1.allowedGroupCiphers.set(2);localWifiConfiguration1.allowedKeyManagement.set(1);localWifiConfiguration1.allowedPairwiseCiphers.set(1);localWifiConfiguration1.allowedGroupCiphers.set(3);localWifiConfiguration1.allowedPairwiseCiphers.set(2);}}else {//"ap" wifi热点localWifiConfiguration1.SSID = ssid;localWifiConfiguration1.allowedAuthAlgorithms.set(1);localWifiConfiguration1.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);localWifiConfiguration1.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);localWifiConfiguration1.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);localWifiConfiguration1.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);localWifiConfiguration1.allowedKeyManagement.set(0);localWifiConfiguration1.wepTxKeyIndex = 0;if (paramInt == 1) {  //没有密码localWifiConfiguration1.wepKeys[0] = "";localWifiConfiguration1.allowedKeyManagement.set(0);localWifiConfiguration1.wepTxKeyIndex = 0;} else if (paramInt == 2) { //简单密码localWifiConfiguration1.hiddenSSID = true;//网络上不广播ssidlocalWifiConfiguration1.wepKeys[0] = passawrd;} else if (paramInt == 3) {//wap加密localWifiConfiguration1.preSharedKey = passawrd;localWifiConfiguration1.allowedAuthAlgorithms.set(0);localWifiConfiguration1.allowedProtocols.set(1);localWifiConfiguration1.allowedProtocols.set(0);localWifiConfiguration1.allowedKeyManagement.set(1);localWifiConfiguration1.allowedPairwiseCiphers.set(2);localWifiConfiguration1.allowedPairwiseCiphers.set(1);}}return localWifiConfiguration1;}/*** 创建网络配置* @param ssid* @param passwd* @param type* @return*/public WifiConfiguration createWifiConfiguration(String ssid, String passwd, String type) {WifiConfiguration config = new WifiConfiguration();config.allowedAuthAlgorithms.clear();config.allowedGroupCiphers.clear();config.allowedKeyManagement.clear();config.allowedPairwiseCiphers.clear();config.allowedProtocols.clear();config.SSID = "\"" + ssid + "\"";if (type.equals("NOPASS")) {config.wepKeys[0] = "";config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);config.wepTxKeyIndex = 0;} else if (type.equals("WEP")) {config.preSharedKey = "\"" + passwd + "\"";config.hiddenSSID = true;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;} else if (type.equals("WPA")) {config.preSharedKey = "\"" + passwd + "\"";config.hiddenSSID = true;config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_EAP);config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);// WPAconfig.allowedProtocols.set(WifiConfiguration.Protocol.WPA);// WPA2config.allowedProtocols.set(WifiConfiguration.Protocol.RSN);config.status = WifiConfiguration.Status.ENABLED;} else {return null;}return config;}/*** 是否存在网络信息* @param str  热点名称* @return*/private WifiConfiguration isExsits(String str) {Iterator localIterator = this.mWifiManager.getConfiguredNetworks().iterator();WifiConfiguration localWifiConfiguration;do {if(!localIterator.hasNext()) return null;localWifiConfiguration = (WifiConfiguration) localIterator.next();}while(!localWifiConfiguration.SSID.equals("\"" + str + "\""));return localWifiConfiguration;}// 计算信号强度public String calSignalLevel(int numLevels) {String s="";if (numLevels<=0 && numLevels>=-50) {s="强";} else if (numLevels<-50 && numLevels>=-70) {s="一般";} else {s="弱";}return s;}//网络安全性public String getCipherType(String capabilities ){String cipherType="";if (!TextUtils.isEmpty(capabilities)) {if (capabilities.contains("WPA") || capabilities.contains("wpa")) {cipherType="WPA";} else if (capabilities.contains("WEP") || capabilities.contains("wep")) {cipherType="WEP";} else {cipherType="NOPASS";}}return cipherType;}}