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

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