Thanks, very helpful info. I'll take it under advisement. Cheers!
On Dec 9, 11:54 am, Ian <[EMAIL PROTECTED]> wrote: > Hi Keith, > > Yes, it's a little tricky. And I certainly don't consider the docs to > be thorough.... more of a work in progress. > > Anyhow, the deal is that layout of the contents of a window happens > *after* all the elements are constructed and added to their parent > views. It has to be this way, because until you know what components > a View contains, and what they contain, and so on, there's no sensible > way you can lay it out. > > Bottom line, if you call getWidth() etc. in a constructor, it will > return zero. The procedure is to create all your view elements in the > constructor, then wait for your View's onSizeChanged() method to be > called -- that's when you first find out your real size, so that's > when you set up the sizes of your GUI elements. > > Be aware too that onSizeChanged() is sometimes called with parameters > of zero -- check for this case, and return immediately (so you don't > get a divide by zero when calculating your layout, etc.). Some time > later it will be called with the real values. > > Cheers, > > Ian --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
