『转』android 程序中判断当前是否连接网络，网络是否可用

if(checkNetWorkStatus(getApplicationContext())){             　　//当前网络可用}else{　　//当前网络不可用　　return -1;}

public static boolean checkNetWorkStatus(Context context)     {        boolean result;        ConnectivityManager cm = (ConnectivityManager) context                .getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo netinfo = cm.getActiveNetworkInfo();        if (netinfo != null && netinfo.isConnected()) {            result = true;            Log.i("NetStatus", "The net was connected");        } else {            result = false;            Log.i("NetStatus", "The net was bad!");        }        return result;    }