Android Wifi方法大全

先需要强调一点的是wifi只能在真机上测试!

在Android里,所有的wifi操作都在android.net.wifi包里,而常用的类也就只用几个,对于一般的开发人员来说,常用的操作也是有限的,不需要刻意的去记,用的时候现查就ok了,下面是《Android应用开发揭秘》里面关于wifi的范例,个人感觉还挺齐全,跟大家分享一下!

view plaincopy to clipboardprint?
 
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();  
 
    }  
 
}

 

 

 

 

posted on 2012-01-13 21:45  vus520  阅读(441)  评论(1编辑  收藏

导航