It is up to the launcher to decide how much parallax scrolling to do. The sizes and offsets come from whatever the last launcher app set them to be.
On Fri, Dec 31, 2010 at 9:42 PM, Pedro Duque <pmdu...@gmail.com> wrote: > Let me develop on this subject: > > I've develop a Live Wallpaper that was working perfectly in Android 2.1. It > emulate the standard Android wallpaper by having a bitmap scrolling when a > user changes screen. > > To achieve that effect I use the event "onOffsetsChanged" to detect screen > changes when the user swipes left and right. > > I just installed Android 2.2.1 and now the values returned in onOffsetsChanged > for xPixelOffset and yPixelOffset are always 0. The value for xOffset and > yOffset > do return values from 0 to 1 but because > WallpaperManager.getInstance(myContext).getDesiredMinimumHeight() and > WallpaperManager.getInstance(myContext).getDesiredMinimumHeight() now > return the screen physical size instead of the screen virtual size, I have > now way to calculate how much that percentage represent in terms of actual > displacement. > > I know it's possible to achieve the desired result because the packed > wallpaper has that behaviour. > > Can somebody help? Is this a problem with Samsung Galaxy S implementation > or is this a standard behaviour? > > Thanks, > Pedro Duque > > On 1 January 2011 02:05, Pedro Duque <pmdu...@gmail.com> wrote: > >> When developing a live wallpaper how can I get the virtual screen size? >> How can I know in which virtual screen the user is in? >> >> Thanks, >> PMD >> > > -- > 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<android-developers%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- 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
