I've enabled hardware acceleration and tried to create a separate bitmap for each column. However I still get out of memory error's on some data.
I'm not quite sure how to only draw a certain area given an entire ArrayList of data. On Tuesday, 30 October 2012 14:37:21 UTC, bob wrote: > > Enable hardware acceleration? > > > Use a separate bitmap for each digit? > > > When scrolling 10 pixels up, only redraw the 10 pixel high area that is > new. > > > > On Tuesday, October 30, 2012 8:37:01 AM UTC-5, new_android_dev wrote: >> >> Anyone got any suggestions? >> >> Thanks. >> >> On Thursday, 25 October 2012 21:09:56 UTC+1, new_android_dev wrote: >>> >>> I've been struggling on how to make a very large canvas display in an >>> app I'm making. >>> >>> Here a picture of what I'm trying to draw: >>> dl.dropbox.com/u/12945652/temp.PNG >>> >>> At the moment I've implemented it like this: >>> https://dl.dropbox.com/u/12945652/RowView.java >>> >>> But sticking everything and repeating calling ondraw is making scrolling >>> very slow. >>> >>> So I then tried to split the canvas into smaller bitmaps, like this: >>> https://dl.dropbox.com/u/12945652/temp2java.txt >>> >>> But now I'm getting out of memory errors when creating more than 10 >>> bitmaps and then putting them in an ArrayList. >>> >>> Could anyone help please, I'm totally out of ideas on how to implement >>> this. >>> >>> The second options works very well for smaller data and there is no lag >>> at all. >>> >>> [Note the x-axis variable can be as big as 30,000] >>> >> -- 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
