Connecting to databse (Android)

Hi,

i have a problem with my Android game it cant connect to my webserver or it gets an error while accessing the databse (it sends username an score to a php script) but what makes me confused is that the login works flawlessly and its the same table an database and what confuses me to is that it works perfect on my Pc where the webserver is running and an other Pc to they are all in the same network the only thing that does not work is that at the end of the level it cant update its score on my nexus 4 but before the connection works without any problem (login) and i dont know how i should give the output of the php script on my android textfield is to small any ideas ?

regards chris