Android 如何判断网络的连接状态

Android 如何判断网络的连接状态:

stackoverflow 上的讨论，《How to check internet access on Android》O网页链接

public boolean isOnline(){            ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);            NetworkInfo netIfo != null && netInfo.isConnetedOrConnecting();}

Also add the following permisson to the AndroidManifest.xml :

<users-permisson android-name:"android.permission.ACCESS_NETWORK_STATE"  />