电信纯流量卡接入点(电信纯流量卡接入点设置)
public static final String APN_TYPE_CTNET = "ctnet";
//3Gnet
public static final String APN_TYPE_3GNET = "3gnet";
//3Gwap
public static final String APN_TYPE_3GWAP = "3gwap";
//uniwap
public static final String APN_TYPE_UNIWAP = "uniwap";
//uninet
public static final String APN_TYPE_UNINET = "uninet";
//cmnet
public static final String APN_TYPE_CMNET = "cmnet";
//cmwap
public static final String APN_TYPE_CMWAP = "cmwap";
//wifi
public static final String APN_TYPE_WIFI = "wifi";
//ctwap
public static final String APN_TYPE_CTWAP = "ctwap";
//宽带
public static final String APN_TYPE_PPP = "ppp";
/**
* 判断是否有外网连接(普通方法不能判断外网的网络是否连接,比如连接上局域网)
*
* @return
*/
public static final boolean ping() {
String result = null;
try {
String ip = "www.baidu.com";// ping 的地址,可以换成任何一种可靠的外网
Process p = Runtime.getRuntime().exec("ping -c 3 -w 100 " + ip);// ping网址3次
// 读取ping的内容,可以不加
InputStream input = p.getInputStream();
BufferedReader in = new BufferedReader(new InputStreamReader(input));
StringBuffer stringBuffer = new StringBuffer();
String content = "";
while ((content = in.readLine()) != null) {
stringBuffer.append(content);
}
Log.d("------ping-----", "result content : " + stringBuffer.toString());
// ping的状态
int status = p.waitFor();
if (status == 0) {
result = "success";
return true;
} else {
result = "failed";
}
} catch (IOException e) {
result = "IOException";
} catch (InterruptedException e) {
result = "InterruptedException";
} finally {
Log.d("----result---", "result = " + result);
}
return false;
}
/**
* 判断是否有网络连接
*
* @param context
* @return
*/
public static boolean isNetworkConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null) {
return mNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 判断WIFI网络是否可用
*
* @param context
* @return
*/
public static boolean isWifiConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mWiFiNetworkInfo = mConnectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (mWiFiNetworkInfo != null) {
return mWiFiNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 判断MOBILE网络是否可用
*
* @param context
* @return
*/
public static boolean isMobileConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mMobileNetworkInfo = mConnectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (mMobileNetworkInfo != null) {
return mMobileNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 获取当前网络连接的类型信息
*
* @param context
* @return
*/
public static int getConnectedType(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null && mNetworkInfo.isAvailable()) {
return mNetworkInfo.getType();
}
}
return -1;
}
/**
* 获取当前的网络状态 :没有网络-0:WIFI网络1:4G网络-4:3G网络-3:2G网络-2
* 自定义
*
* @param context
* @return
*/
public static int getAPNType(Context context) {
//结果返回值
int netType = 0;
//获取手机所有连接管理对象
ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
//获取NetworkInfo对象
NetworkInfo networkInfo = manager.getActiveNetworkInfo();
//NetworkInfo对象为空 则代表没有网络
if (networkInfo == null) {
return netType;
}
//否则 NetworkInfo对象不为空 则获取该networkInfo的类型
int nType = networkInfo.getType();
if (nType == ConnectivityManager.TYPE_WIFI) {
//WIFI
netType = 1;
} else if (nType == ConnectivityManager.TYPE_MOBILE) {
int nSubType = networkInfo.getSubtype();
TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
//3G 联通的3G为UMTS或HSDPA 电信的3G为EVDO
if (nSubType == TelephonyManager.NETWORK_TYPE_LTE
&& !telephonyManager.isNetworkRoaming()) {
netType = 4;
} else if (nSubType == TelephonyManager.NETWORK_TYPE_UMTS
|| nSubType == TelephonyManager.NETWORK_TYPE_HSDPA
|| nSubType == TelephonyManager.NETWORK_TYPE_EVDO_0
&& !telephonyManager.isNetworkRoaming()) {
netType = 3;
//2G 移动和联通的2G为GPRS或EGDE,电信的2G为CDMA
} else if (nSubType == TelephonyManager.NETWORK_TYPE_GPRS
|| nSubType == TelephonyManager.NETWORK_TYPE_EDGE
|| nSub