android WIFI相关

package com.yarin.android.Examples_08_08;     
import java.util.List;     
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 android.net.wifi.WifiManager.WifiLock;     
public class WifiAdmin     
{     
    //定义WifiManager对象      
    private WifiManager mWifiManager;     
    //定义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> mWifiConfiguration;     
    //定义一个WifiLock      
    WifiLock mWifiLock;     
    //构造器      
    public  WifiAdmin(Context context)     
    {     
        //取得WifiManager对象      
        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);     
        //取得WifiInfo对象      
        mWifiInfo = mWifiManager.getConnectionInfo();     
    }     
    //打开WIFI      
    public void OpenWifi()     
    {     
        if (!mWifiManager.isWifiEnabled())     
        {     
            mWifiManager.setWifiEnabled(true);     
                 
        }     
    }     
    //关闭WIFI      
    public void CloseWifi()     
    {     
        if (!mWifiManager.isWifiEnabled())     
        {     
            mWifiManager.setWifiEnabled(false);      
        }     
    }     
    //锁定WifiLock      
    public void AcquireWifiLock()     
    {     
        mWifiLock.acquire();     
    }     
    //解锁WifiLock      
    public void ReleaseWifiLock()     
    {     
        //判断时候锁定      
        if (mWifiLock.isHeld())     
        {     
            mWifiLock.acquire();     
        }     
    }     
    //创建一个WifiLock      
    public void CreatWifiLock()     
    {     
        mWifiLock = mWifiManager.createWifiLock("Test");     
    }     
    //得到配置好的网络      
    public List<WifiConfiguration> GetConfiguration()     
    {     
        return mWifiConfiguration;     
    }     
    //指定配置好的网络进行连接      
    public void ConnectConfiguration(int index)     
    {     
        //索引大于配置好的网络索引返回      
        if(index > mWifiConfiguration.size())     
        {     
            return;     
        }     
        //连接配置好的指定ID的网络      
        mWifiManager.enableNetwork(mWifiConfiguration.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      
        mWifiConfiguration = mWifiManager.getConfiguredNetworks();     
    }     
    //得到网络列表      
    public List<ScanResult> GetWifiList()     
    {     
        return mWifiList;     
    }     
    //查看扫描结果      
    public StringBuilder LookUpScan()     
    {     
        StringBuilder stringBuilder = new StringBuilder();     
        for (int i = 0; i < mWifiList.size(); i++)     
        {     
            stringBuilder.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、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();     
    }     
    //得到接入点的BSSID      
    public String GetBSSID()     
    {     
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.getBSSID();     
    }     
    //得到IP地址      
    public int GetIPAddress()     
    {     
        return (mWifiInfo == null) ? 0 : mWifiInfo.getIpAddress();     
    }     
    //得到连接的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();     
    }     
    //添加一个网络并连接      
    public void AddNetwork(WifiConfiguration wcg)     
    {     
        int wcgID = mWifiManager.addNetwork(wcg);      
        mWifiManager.enableNetwork(wcgID, true);      
    }     
    //断开指定ID的网络      
    public void DisconnectWifi(int netId)     
    {     
        mWifiManager.disableNetwork(netId);     
        mWifiManager.disconnect();     
    }     
}    

转载自： http://blog.youkuaiyun.com/pilou5400/article/details/5954849