Android android gets the network status, Android android gets

Android android gets the network status, Android android gets

First, add the permission in AndroidManifest. xml.

<Uses-permission android: name = "android. permission. ACCESS_NETWORK_STATE"/>

1. Determine whether a network connection exists.

public 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;  }

2. Determine whether the Wi-Fi network is available

public 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;  }

3. Determine whether the MOBILE network is available

public 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;  }

4. Determine the network type

// Return value-1: No network 1: WIFI network 2: wap network 3: net network public static int GetNetype (Context context) {int netType =-1; connectivityManager connMgr = (ConnectivityManager) context. getSystemService (Context. CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr. getActiveNetworkInfo (); if (networkInfo = null) {return netType;} int nType = networkInfo. getType (); if (nType = ConnectivityManager. TYPE_MOBILE) {if (networkInfo. getExtraInfo (). toLowerCase (). equals ("cmnet") {netType = 3 ;}else {netType = 2 ;}} else if (nType = ConnectivityManager. TYPE_WIFI) {netType = 1;} return netType ;}