Hi Jacqueline, Thanks for the long answer and for sharing the code. I’ll try it out tomorrow! best regards, John.
> On 30 Nov 2016, at 21:34, J. Landman Gay <jac...@hyperactivesw.com> wrote: > > On 11/30/16 7:35 AM, John Allijn wrote: >> I can’t get the scroller working > > I haven't had any problem with scrollers on either iOS or Android, barring a > specific vScroll bug that's been reported. > (http://quality.livecode.com/show_bug.cgi?id=18924) Aside from that they > work very well as long as you follow the instructions here: > > <http://lessons.livecode.com/m/4069/l/94412-creating-a-native-scroller-to-scroll-a-field?id=94412-creating-a-native-scroller-to-scroll-a-field> > > Scrollers are picky, you have to make sure that: > > 1. The full length of the field is displayed. It can't be a scrolling field, > it has to be a very tall field at its full height so all content is visible. > It's okay if it runs off the window. > 2. The field must have lockloc set to true. > 3. The field must be in a group, and generally it's the only thing in the > group. The group should be sized to the rectangle you want the user to see. > It's lockloc must be set to true. > 4. For now (until the bug is fixed) the vScroll of the group should be set to > 0 when the mobile scroller is created, and the mobile vScroll should also be > 0. (A workaround is in the bug report if you want to set the vScroll to > something else.) > > I have a simplified handler that creates a mobile scroller which has been > working for a long time. The only parameter it needs is the short name of the > group that contains the field. (The content of the group doesn't have to be a > field, it can be an image or anything else.) > > I find that using names instead of IDs is much easier because you don't have > to bother with "the result" or track the reference in a script local. It just > works, provided each scrolling group has a unique name. When you want to > delete the scroller you can also just use the name. This handler > automatically creates a scroller with the same name as the group it is > scrolling. > > command createScroller pName > if the environment is not "mobile" then exit createScroller > deleteMobileControl pName -- custom handler, in case one already exists > set the vScroll of control pName to 0 -- init for alignment > set the hScroll of control pName to 0 > mobileControlCreate "scroller", pName > mobileControlSet pName, "rect", the rect of control pName > put (0,0,the formattedwidth of control pName,the formattedheight of control > pName) into tRect > mobileControlSet pName, "contentRect",tRect > mobileControlSet pName, "hScroll",0 > mobileControlSet pName, "vScroll",0 > mobileControlSet pName, "hIndicator",false > mobileControlSet pName, "vIndicator",true > mobileControlSet pName, "visible", true > end createScroller > > This is enough to create a basic scroller. There are other settings you might > want to add for iOS, such as the canBounce, etc., and you may want to change > the v and h indicator settings. Adding more settings is easy, but the above > does the basic work. > > -- > Jacqueline Landman Gay | jac...@hyperactivesw.com > HyperActive Software | http://www.hyperactivesw.com > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
