Wifi涉及到的API

下边是封装好的一个wifi操作类

package jia.wifitest1;

import android.content.Context;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import java.util.List;

/**
 * Created by jiawenchao on 2015/12/7.
 */
public class WifiTools {
    private String TAG="WifiTools";
    private WifiManager wifiManager;
    private WifiInfo wifiInfo;
    private List<ScanResult> wifiList=null;
    public WifiTools(Context context){
        this.wifiManager= (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    }
    public boolean isWifiOpen(){
        if(wifiManager.isWifiEnabled())
            return true;
        return false;
    }
    public void openWifi(){
        if(!wifiManager.isWifiEnabled()){
            wifiManager.setWifiEnabled(true);
        }
    }
    public void closeWifi(){
        if(wifiManager.isWifiEnabled())
            wifiManager.setWifiEnabled(false);
    }
    public List<ScanResult> getWifiList(){  //周围wifi热点信息 每个热点就是ScanResult对象
        wifiList=wifiManager.getScanResults();
        return wifiList;
    }
    public WifiConfiguration createWifiConf(String SSID,String Password,int Type){ //配置连接特定的网络
        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.isExist(SSID);
        if(tempConfig!=null){
            wifiManager.removeNetwork(tempConfig.networkId);
        }
        if(Type==1){
            config.wepKeys[0]="";
            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
            config.wepTxKeyIndex=0;
        }
        else if(Type==2){
            config.hiddenSSID=true;
            config.wepKeys[0]="\""+Password+"\"";
            config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);
            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 {
            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 isExist(String SSID){
        List<WifiConfiguration> existConfigs=wifiManager.getConfiguredNetworks();
        for(WifiConfiguration t:existConfigs){
            if(t.SSID.equals("\""+SSID+"\""))
                return t;
        }
        return null;
    }
    public void addNetWork(WifiConfiguration wifiConfiguration){  连接特定的网络
        int wcgId=wifiManager.addNetwork(wifiConfiguration);
        wifiManager.enableNetwork(wcgId,true);
        wifiInfo=wifiManager.getConnectionInfo();
    }
    public WifiInfo getWifiInfo(){
        wifiInfo=wifiManager.getConnectionInfo();
        return wifiInfo;
    }
}
WifiInfo方法介绍
String getBSSID() 返回热点所在网卡的物理地址
int getMacAddress() 返回客户端网卡物理地址
ScanResult方法介绍
属性 String BSSID 返回热点mac的物理地址