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*/
package com.wifi.connect;
import java.util.List;
import .wifi.WifiConfiguration;
import .wifi.WifiManager;
import android.util.Log;
public class WifiConnect {
WifiManager wifiManager;
//定义几种加密方式，一种是WEP，一种是WPA，还有没有密码的情况
public enum WifiCipherType
{
WIFICIPHER_WEP,WIFICIPHER_WPA, WIFICIPHER_NOPASS, WIFICIPHER_INVALID
}
//构造函数
public WifiConnect(WifiManager wifiManager)
{
this.wifiManager = wifiManager;
}
//打开wifi功能
private boolean OpenWifi()
{
boolean bRet = true;
if (!wifiManager.isWifiEnabled())
{
bRet = wifiManager.setWifiEnabled(true);
}
return bRet;
}
//提供一个外部接口，传入要连接的无线网
public boolean Connect(String SSID, String Password, WifiCipherType Type)
{
if(!this.OpenWifi())
{
return false;
}
//开启wifi功能需要一段时间(我在手机上测试一般需要1-3秒左右)，所以要等到wifi
//状态变成WIFI_STATE_ENABLED的时候才能执行下面的语句
while(wifiManager.getWifiState() == WifiManager.WIFI_STATE_ENABLING )
{
try{
//为了避免程序一直while循环，让它睡个100毫秒在检测……
Thread.currentThread();
Thread.sleep(100);
}
catch(InterruptedException ie){
}
}
WifiConfiguration wifiConfig = this.CreateWifiInfo(SSID, Password, Type);
//
if(wifiConfig == null)
{
return false;
}
WifiConfiguration tempConfig = this.IsExsits(SSID);
if(tempConfig != null)
{
wifiManager.removeNetwork(workId);
}
int netID = wifiManager.addNetwork(wifiConfig);
boolean bRet = wifiManager.enableNetwork(netID, false);
return bRet;
}
//查看以前是否也配置过这个网络
private WifiConfiguration IsExsits(String SSID)
{
List existingConfigs = wifiManager.getConfiguredNetworks();
for (WifiConfiguration existingConfig : existingConfigs)
{
if (existingConfig.SSID.equals("\""+SSID+"\""))
{
return existingConfig;
}
}
return null;
}
private WifiConfiguration CreateWifiInfo(String SSID, String Password, WifiCipherType 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 == WifiCipherType.WIFICIPHER_NOPASS)
{
config.wepKeys[0] = "";
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
config.wepTxKeyIndex = 0;
}
if(Type == WifiCipherType.WIFICIPHER_WEP)
{
config.preSharedKey = "\""+Password+"\"";
config.hiddenSSID = true;
config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);
config.allowedGroupCiphers.set(MP);
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;
}
if(Type == WifiCipherType.WIFICIPHER_WPA)
{
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.status = WifiConfiguration.Status.ENABLED;
}
else
{
return null;
}
return config;
}
}
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