[android-beginners] Listener on custom dialog

Hi, I have created a custom (alert)dialog based on a layout, which contains some buttons. I'd like to listen these buttons, so I tried doing a simple OnclickListener but it crashes... I think this happens since at start he tries to listen a element which is not displayed. No ? Is there anybody

[android-beginners] How to download?

Hi, I'd like to download a file (.ics) over http, in background, but I don't know to do that. I've tried this tuto: http://developerlife.com/tutorials/?p=369 but it does'nt work: it says that it c'ant instantiate the type httpClient. Can anyone give me an example/a solution? Thanks -- You