Android项目笔记六：自定义的wificlass

待我称王封你为后i 2022-08-23 00:47 181阅读 0赞

由于时间比较紧，切没有接触过Android，这个CLASS写的很烂，但是功能正常：

1、判断wifi是否打开；

2、判断wifi是否连接；

3、扫面wifi列表；

4、连接指定wifi；

5、自动判断加密方式（无密码和WAP(2)已验证）；

6、获得接入点IP；

7、关闭wifi；

public class MyWifiClass \{  
  
  
/\*private List<ScanResult> my\_list=null;\*/  
  
  
public boolean my\_WifiOpen(Context inContext)\{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return false;  
\}  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
if(!wifiMgr.isWifiEnabled())\{  
wifiMgr.setWifiEnabled(true);  
\}  
return wifiMgr.isWifiEnabled();  
\}  
  
  
public void my\_WifiClose(Context inContext)\{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return ;  
\}  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
if(wifiMgr.isWifiEnabled())\{  
wifiMgr.setWifiEnabled(false);  
\}  
\}  
  
  
public List<ScanResult> my\_WifiList(Context inContext)\{  
List<ScanResult> list=null;  
  
  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return list;  
\}  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
wifiMgr.startScan();//扫描wifi  
list = wifiMgr.getScanResults();//获得列表  
  
  
return list;  
\}  
  
  
  
  
public boolean isWiFiActive(Context inContext) \{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return false;  
\}  
ConnectivityManager connectivity = (ConnectivityManager) context  
.getSystemService(Context.CONNECTIVITY\_SERVICE);  
if (connectivity != null) \{  
NetworkInfo\[\] info = connectivity.getAllNetworkInfo();  
if (info != null) \{  
for (int i = 0; i < info.length; i++) \{  
if (info\[i\].getTypeName().equals("WIFI") && info\[i\].isConnected()) \{  
return true;  
\}  
\}  
\}  
\}  
return false;  
\}  
  
  
public String my\_ReturnWifiName(Context inContext)\{  
  
  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return null;  
\}  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
int wifiState = wifiMgr.getWifiState();  
WifiInfo info = wifiMgr.getConnectionInfo();  
String wifiId = info != null ? info.getSSID() : null;  
  
  
int i;  
char toChar;  
String returnString;  
returnString=null;  
if(wifiId != null)\{  
returnString = "";  
if(wifiId.charAt(0) == '\\"')\{  
for(i=1;i<wifiId.length()-1;i++)\{  
toChar = wifiId.charAt(i);  
returnString+=toChar;  
\}  
\}else \{  
returnString = wifiId;  
\}  
\}  
  
  
return returnString;  
\}  
  
  
public int my\_getWifiIp\_Int(Context inContext) \{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return 0;  
\}  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
  
  
// if (isWifiEnabled()) \{  
int ipAsInt = wifiMgr.getConnectionInfo().getIpAddress();  
if (ipAsInt == 0) \{  
return 0;  
\} else \{  
return ipAsInt;  
\}  
// \} else \{  
// return null;  
// \}  
\}  
  
  
public String my\_getWifiIp\_String(Context inContext) \{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return null;  
\}  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
  
  
// if (isWifiEnabled()) \{  
int ipAsInt = wifiMgr.getConnectionInfo().getIpAddress();  
if (ipAsInt == 0) \{  
return null;  
\} else \{  
return intToIp(ipAsInt);  
\}  
// \} else \{  
// return null;  
// \}  
\}  
  
  
  
  
  
  
public int my\_getHOSTIp\_Int(Context inContext) \{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return 0;  
\}  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
  
  
// if (isWifiEnabled()) \{  
DhcpInfo dhcpinfo = wifiMgr.getDhcpInfo();  
if(null == dhcpinfo)\{  
return 0;  
\}  
int ipAsInt = dhcpinfo.serverAddress;  
if (ipAsInt == 0) \{  
return 0;  
\} else \{  
return ipAsInt;  
\}  
// \} else \{  
// return null;  
// \}  
\}  
  
  
public String my\_getHOSTIp\_String(Context inContext) \{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return null;  
\}  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
  
  
// if (isWifiEnabled()) \{  
DhcpInfo dhcpinfo = wifiMgr.getDhcpInfo();  
if(null == dhcpinfo)\{  
return null;  
\}  
int ipAsInt = dhcpinfo.serverAddress;  
if (ipAsInt == 0) \{  
return null;  
\} else \{  
return intToIp(ipAsInt);  
\}  
// \} else \{  
// return null;  
// \}  
\}  
  
  
public boolean my\_addNetword(Context inContext,String SSID,String Password)\{  
Context context = inContext.getApplicationContext();  
List<ScanResult> my\_lisi=null;  
int Type=1;  
if(null == context)\{  
return false;  
\}  
  
  
if(isWiFiActive(inContext))\{  
my\_disconnectWifi(inContext);  
\}  
String my\_key;  
my\_lisi=my\_WifiList(inContext);  
for(int i=0;i<my\_lisi.size();i++) \{  
if(my\_lisi.get(i).SSID.equals(SSID))\{  
my\_key=my\_lisi.get(i).capabilities;  
if(my\_key.contains("WPA"))\{  
Type = 3;  
\}else if(my\_key.contains("WEP"))\{  
Type = 2;  
\}else \{  
Type = 1;  
\}  
break;  
\}  
\}  
/\* if(Password == null)\{  
Type = 1;  
\}\*/  
  
  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
WifiConfiguration my\_wcg=null;  
my\_wcg=CreateWifiConfiguration(inContext,SSID,Password,Type);  
if(null == wifiMgr)\{  
return false;  
\}  
if(null == my\_wcg)\{  
return false;  
\}  
int wcgID= wifiMgr.addNetwork(my\_wcg);  
wifiMgr.enableNetwork(wcgID,true);  
return true;  
\}  
  
  
public void my\_disconnectWifi(Context inContext)\{  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return;  
\}  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
int wifiState = wifiMgr.getWifiState();  
WifiInfo info = wifiMgr.getConnectionInfo();  
int netID=info.getNetworkId();  
/\*wifiMgr.disableNetwork(netID);\*/  
wifiMgr.disconnect();  
\}  
  
  
  
  
public List<WifiConfiguration> my\_getWifiConfiguration(Context inContext)\{  
List<WifiConfiguration> wifiConfig=null;  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return null;  
\}  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
if(null != wifiMgr)\{  
wifiConfig = wifiMgr.getConfiguredNetworks();  
\}  
return wifiConfig;  
\}  
  
  
public WifiConfiguration CreateWifiConfiguration(Context inContext,String SSID,String Password,int Type)\{  
  
  
Context context = inContext.getApplicationContext();  
if(null == context)\{  
return null;  
\}  
  
  
WifiManager wifiMgr = (WifiManager)(WifiManager) context.getSystemService(Context.WIFI\_SERVICE);  
  
  
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.IsExsits(inContext,SSID);  
if(null != tempConfig)\{  
wifiMgr.removeNetwork(tempConfig.networkId);  
\}  
switch (Type)\{  
case 1: //WIFICIPHER\_NOPASS  
config.hiddenSSID=true;  
// config.wepKeys\[0\]="";  
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);  
// config.wepTxKeyIndex=0;  
break;  
case 2://WIFICIPHER\_WEP  
config.hiddenSSID = true;  
config.wepKeys\[0\]= "\\""+Password+"\\"";  
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;  
break;  
case 3://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.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);  
config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);  
config.status = WifiConfiguration.Status.ENABLED;  
break;  
\}  
return config;  
\}  
  
  
private WifiConfiguration IsExsits(Context inContext,String SSID)\{  
List<WifiConfiguration> existingConfigs = null;  
existingConfigs = my\_getWifiConfiguration(inContext);  
  
  
for(WifiConfiguration existingConfig : existingConfigs)\{  
if(existingConfig.SSID.equals("\\""+SSID+"\\""))\{  
return existingConfig;  
\}  
\}  
return null;  
\}  
  
  
  
  
  
  
  
  
private String intToIp(int i) \{  
return (i & 0xFF ) + "." +  
((i >> 8 ) & 0xFF) + "." +  
((i >> 16 ) & 0xFF) + "." +  
( i >> 24 & 0xFF) ;  
\}  
\}