转:Android检查设备是否联网

 1 public static boolean isConnect(Context context) {  2 ConnectivityManager connectionManager = (ConnectivityManager) context  3  .getSystemService(Context.CONNECTIVITY_SERVICE);  4 if (connectionManager != null) {  5 NetworkInfo info = connectionManager.getActiveNetworkInfo();  6 if (info != null && info.isConnected()) {  7 if (info.getState() == NetworkInfo.State.CONNECTED) {  8 return true;  9  } 10  } 11  } 12 return false; 13 } 

 

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