[android-developers] Re: Creating a JTree-like widget for Android?
On Aug 27, 8:08 am, TreKing treking...@gmail.com wrote: On Fri, Aug 27, 2010 at 9:20 AM, FractalBob ruom...@gmail.com wrote: Thanks for the pointer. You're welcome! It seems the objection to a JTree like view is that you'd run out of space on a small screen, but that's not valid, since you could wrap the tree in a scrollview. That's one objection. The other problem is that the size of the items in the list would either have to be very small to accommodate the whole list, or, if you wrap it in a scroll view, require scrolling in every direction just to navigate the thing as sub-nodes expand. The benefit of a JTree type control is it presents a simplified overview of a complex hierarchy. On a mobile platform, you mostly lose that simplified overview and it can result in more complexity and confusion. I guess I'll have to abandon my project until a tree view of some kind makes it to Android, as I don't want to use menus as suggested in the link; If you're abandoning your project because one type of control is not available, your project was not worth doing to begin with. The project is definitely worth completing, but it's discouraging to not have a slick interface unit like a tree available. However, I'll think about alternatives in the meantime. If you're going to wait until it makes it to Android, you're probably going to waiting quite a long time. If you think this type of control would actually be usable / preferable for you project, there is absolutely nothing stopping you from writing your own custom view and adapter that meets your needs. Ummm...I think I'll pass on that! it would be too klunky, IMO. No more so than trying to navigate an entire tree on a single screen with the size, scrolling, and selection issues it would present. Good luck with your project, if you decide to continue it. --- -- TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago transit tracking app for Android-powered devices -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Re: Creating a JTree-like widget for Android?
Thanks for the pointer. It seems the objection to a JTree like view is that you'd run out of space on a small screen, but that's not valid, since you could wrap the tree in a scrollview. I guess I'll have to abandon my project until a tree view of some kind makes it to Android, as I don't want to use menus as suggested in the link; it would be too klunky, IMO. On Aug 26, 4:58 pm, TreKing treking...@gmail.com wrote: On Thu, Aug 26, 2010 at 12:56 PM, FractalBob ruom...@gmail.com wrote: Does anyone know if it's possible to extend this to an arbitrary number of levels? See this recent thread:http://groups.google.com/group/android-developers/browse_thread/threa... --- -- TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago transit tracking app for Android-powered devices -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
Re: [android-developers] Re: Creating a JTree-like widget for Android?
On Fri, Aug 27, 2010 at 9:20 AM, FractalBob ruom...@gmail.com wrote: Thanks for the pointer. You're welcome! It seems the objection to a JTree like view is that you'd run out of space on a small screen, but that's not valid, since you could wrap the tree in a scrollview. That's one objection. The other problem is that the size of the items in the list would either have to be very small to accommodate the whole list, or, if you wrap it in a scroll view, require scrolling in every direction just to navigate the thing as sub-nodes expand. The benefit of a JTree type control is it presents a simplified overview of a complex hierarchy. On a mobile platform, you mostly lose that simplified overview and it can result in more complexity and confusion. I guess I'll have to abandon my project until a tree view of some kind makes it to Android, as I don't want to use menus as suggested in the link; If you're abandoning your project because one type of control is not available, your project was not worth doing to begin with. If you're going to wait until it makes it to Android, you're probably going to waiting quite a long time. If you think this type of control would actually be usable / preferable for you project, there is absolutely nothing stopping you from writing your own custom view and adapter that meets your needs. it would be too klunky, IMO. No more so than trying to navigate an entire tree on a single screen with the size, scrolling, and selection issues it would present. Good luck with your project, if you decide to continue it. - TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago transit tracking app for Android-powered devices -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
