Android中wifi的使用

Java代码

package com.Aina.Android;

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;

/**
* com.Aina.Android Pro_wifi
*
* @author Aina.huang E-mail: 674023920@qq.com

* @version 创建时间：2010 Jul 21, 2010 12:29:00 PM 类说明

*/
public class WifiAdmin {

private WifiManager mWifiManager = null;
private WifiInfo mWifiInfo = null;
private List<ScanResult> mWifiList = null;// 扫描出的网络连接列表

private List<WifiConfiguration> mWifiConfiguration = null;// 网络连接列表

private WifiLock mWifiLock = null;

public WifiAdmin(Context mContext) {
mWifiManager = (WifiManager) mContext
.getSystemService(mContext.WIFI_SERVICE);
mWifiInfo = mWifiManager.getConnectionInfo();
}

public void OpenWifi() {
if (!mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(true);// 打开wifi

}
}

public void CloseWife() {
if (mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(false);// 关闭wifi

}
}

public void lockWifi() {
mWifiLock.acquire();// 锁定wifi

}

public void rlockWifi() {
if (mWifiLock.isHeld()) {
mWifiLock.acquire();// 解锁wifi

}
}

public void Createwifilock() {
mWifiLock = mWifiManager.createWifiLock("Testss");// 创建一个wifilock

}

public List<WifiConfiguration> GetConfinguration() {
return mWifiConfiguration;// 得到配置好的网络

}

public void ConnectConfiguration(int index) {
if (index > mWifiConfiguration.size()) {
return;
}
mWifiManager.enableNetwork(mWifiConfiguration.get(index).networkId, true);//连接配置好的指定ID的网络

}
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();
}
}