so that means if I wish to make a listview of conversation, with some chatbubbles on the right and some on the left, android does not provide support to optimize its display because it expects predictable types for each row?
On Feb 23, 2:02 am, Mark Murphy <[email protected]> wrote: > hc wrote: > > In a list, is it possible to have different kind of views, inflated > > from different layout XML? > > Sure! > > > How am I able to have certain rows with layout inflated from a > > different XML? The method above seems to assume that all of them will > > have the same kind of layout. > > 1. Override getViewTypeCount() to return the distinct number of types of > layouts you are using. > > 2. Override getItemViewType(int position) to return the 0-based index of > the type of layout you are going to use for the indicated item in the list. > > At this point, getView() will only be passed a convertView to be > recycled if it is of the proper type. > > > I wish to make the last row a view with > > a Next/Previous button, and add rows with different layout in the > > middle of the list. > > I wouldn't recommend that approach. The getItemViewType() mechanism does > not seem to support the notion of row positions changing type. If you > make your Next/Previous button a row, that row will need to keep the > same position, otherwise the row caching may break. > > I would recommend putting the next/previous button outside the list. > > -- > Mark Murphy (a Commons Guy)http://commonsware.com > > Android Training on the Ranch! -- Mar 16-20, > 2009http://www.bignerdranch.com/schedule.shtml --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
