安卓工具类之获取网络状态工具类，android设计模式原则
作者：互联网
try {
if (_CM.getActiveNetworkInfo() != null) {
if (_CM.getActiveNetworkInfo().isAvailable()) {
return true;
}
}
} catch (Exception e) {
return false;
}
}
return false;
}
return false;
}
/**
-
获取Wifi是否可用
-
@param pContext Context
-
@return true:isAvailable; false:otherwise;
*/
public static boolean isWiFiActive(Context pContext) {
if (pContext == null)
return false;
boolean _IsAvailable = false;
WifiManager _WifiManager;
WifiInfo _WifiInfo;
try{
_WifiManager = (WifiManager)pContext.getSystemService(Context.WIFI_SERVICE);
_WifiInfo = _WifiManager.getConnectionInfo();
int _IpAddress = _WifiInfo == null ? 0 : _WifiInfo.getIpAddress();
if (_WifiManager.isWifiEnabled() && _IpAddress != 0) {
_IsAvailable = true;
}
}catch(Exception e){
_IsAvailable = false;
}
return _IsAvailable;
}
/**
-
获取当前的网络名称(WIFI or 2G or 3G or 4G)
-
@param pContext Context
-
@return WIFI or 2G or 3G or 4G
*/
public static String getNetworkName(Context pContext) {
try {
ConnectivityManager _CM = (ConnectivityManager) pContext.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo _NetworkInfo = _CM.getActiveNetworkInfo();
if (_NetworkInfo == null || !_NetworkInfo.isConnected()) {
return NET_NO; //not connected
}
if (_NetworkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
return NET_WIFI;
}
if (_NetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
int networkType = _NetworkInfo.getSubtype();
switch (networkType) {
case TelephonyManager.NETWORK_TYPE_GPRS:
case TelephonyManager.NETWORK_TYPE_EDGE:
case TelephonyManager.NETWORK_TYPE_CDMA:
case TelephonyManager.NETWORK_TYPE_1xRTT:
case TelephonyManager.NETWORK_TYPE_IDEN:
return NET_2G;
case TelephonyManager.NETWORK_TYPE_UMTS:
case TelephonyManager.NETWORK_TYPE_EVDO_0:
case TelephonyManager.NETWORK_TYPE_EVDO_A:
case TelephonyManager.NETWORK_TYPE_HSDPA:
case TelephonyManager.NETWORK_TYPE_HSUPA:
case TelephonyManager.NETWORK_TYPE_HSPA:
case TelephonyManager.NETWORK_TYPE_EVDO_B:
case TelephonyManager.NETWORK_TYPE_EHRPD:
case TelephonyManager.NETWORK_TYPE_HSPAP:
return NET_3G;
case TelephonyManager.NETWORK_TYPE_LTE:
return NET_4G;
}
}
} catch (Exception e) {
return NET_NO;
}
return NET_NO;
}
/**
-
获取 Wifi 名称
-
@param pContext
-
@return
*/
public static String getWifiName(Context pContext) {
String _WifiName = “”;
WifiManager _WifiManager = (WifiManager) pContext.getSystemService(Context.WIFI_SERVICE);
_WifiName = _WifiManager.getConnectionInfo().getSSID();
return _WifiName;
}
/**
-
获取 Wifi状态
-
@param pContext Context
-
@return
*/
public static int getWifiStatus(Context pContext) {
return ((WifiManager) pContext.getSystemService(Context.WIFI_SERVICE)).getWifiState();
}
/**
-
获取 Wifi IP
-
@param pContext
-
@return
*/
public static String getHostIp(Context pContext) {
String _HostIp = “”;
try {
WifiManager _WifiManager = (WifiManager) pContext.getSystemService(Context.WIFI_SERVICE);
int i;
if (_WifiManager.isWifiEnabled()) {
i = _WifiManager.getConnectionInfo().getIpAddress();
if (i != 0)
_HostIp = (i & 0xFF) + “.” + (0xFF & i >> 8) + “.”
- (0xFF & i >> 16) + “.” + (0xFF & i >> 24);
} else {
i = getWifiStatus(pContext);
if ((i == 2) || (i == 3)) {
Enumeration<?> _Enumeration = NetworkInterface.getNetworkInterfaces();
while (_Enumeration.hasMoreElements()) {
Enumeration<?> _EnumerationTemp = ((NetworkInterfac
e) _Enumeration
.nextElement()).getInetAddresses();
if (!_EnumerationTemp.hasMoreElements())
;
while (true) {
if (_HostIp.length() <= 0)
break;
InetAddress _LocalInetAddress = (InetAddress) _EnumerationTemp
.nextElement();
if ((_LocalInetAddress.isLoopbackAddress())
|| (!(_LocalInetAddress instanceof Inet4Address)))
break;
_HostIp = _LocalInetAddress.getHostAddress();
(_HostIp.length() <= 0)
break;
InetAddress _LocalInetAddress = (InetAddress) _EnumerationTemp
.nextElement();
if ((_LocalInetAddress.isLoopbackAddress())
|| (!(_LocalInetAddress instanceof Inet4Address)))
break;
_HostIp = _LocalInetAddress.getHostAddress();
标签：case,return,pContext,安卓,TelephonyManager,WifiManager,工具,设计模式,TYPE 来源： https://blog.csdn.net/m0_66265052/article/details/122642191