No, I have the report lines in an object and only draw the lines that are visible for the current scroll values. It's very fast.
On Jul 14, 8:52 pm, Connie <[email protected]> wrote: > With Canvas if you have to create the table (in bit map form) > dynamically does that take a bunch of time? > > Connie > > On Jul 13, 8:50 pm, Zsolt Vasvari <[email protected]> wrote: > > > > > In my app, in a generic report viewer, I just draw the lines on a > > Canvas. It's very fast and lightweight. If you send me an e-mail, I > > can send you my code. > > > On Jul 14, 2:02 am, Mark Murphy <[email protected]> wrote: > > > > On Tue, Jul 13, 2010 at 1:21 PM, Connie Walsh > > > > <[email protected]> wrote: > > > > I am writing a financial calculator and part of my code is printing > > > > out an amortization table for 25 - 30 years. Some times there can be > > > > up to 2000 rows on the page. Here is my code to do this part: > > > > Ack! > > > > > Should I try to add them as the person scrolls down? > > > > You should use a ListView. This will automatically handle scrolling, > > > will let you recycle your rows to minimize memory consumption, will > > > only process the rows presently visible to increase execution speed, > > > etc. > > > > -- > > > Mark Murphy (a Commons > > > Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy > > > > Android 2.2 Programming Books:http://commonsware.com/books- Hide quoted > > > text - > > - Show quoted text - -- 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

