Android connection status detection

From: http://hi.baidu.com/moon_2009/item/352abc241fa1280b76272c03

Public static Boolean isconnect (context ){

 

// Obtain all connection management objects of the mobile phone (including management of Wi-Fi, net, and other connections)

Try {

Connectivitymanager connectivity = (connectivitymanager) Context

. Getsystemservice (context. connectivity_service );

If (connectivity! = NULL ){

 

// Obtain the object for network connection management

Networkinfo info = connectivity. getactivenetworkinfo ();

 

If (info! = NULL & info. isconnected ()){

// Determine whether the current network is connected

If (info. getstate () = networkinfo. state. Connected ){

Return true;

}

}

}

} Catch (exception e ){

// Todo: handle exception

Log. V ("error", E. tostring ());

}

Return false;

}