(Also, even caring about the historical data is rare. If all you need is the most recent positions, just ignore the historical data.)
On Fri, Oct 15, 2010 at 3:54 PM, Dianne Hackborn <[email protected]>wrote: > Just think of this as a two dimensional array. A MotionEvent contains N > pointers. That MotionEvent may also have M historical positions each > containing another N pointers that exactly match the identifiers of the most > recent pointers in the event. > > > On Fri, Oct 15, 2010 at 2:42 PM, Julio Suarez <[email protected]> wrote: > >> Hi, >> >> Have you figured this out yet? I too am very confused as to how to >> handle Historical points when more the one pointer is on the screen. I >> have no idea how to separate what and how much historical data goes >> with each pointer. >> >> On Aug 22, 6:23 pm, sztupy <[email protected]> wrote: >> > I couldn't find a definite reference for the size of a MotionEvents >> > history, when there are multiple pointers. The reference says that if >> > you use a getHistorical* function, you might pass it a history >> > position which is somewhere between [0..getHistorySize()-1]. But in a >> > lot of examples handlingmultitouchif there are multiple pointers >> > they only use history positions between [0..getHistorySize()/ >> > getPointers()-1] (so they divide the history's size with the number of >> > pointers). Which one is the correct way? >> > >> > SztupY >> >> -- >> 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]<android-developers%[email protected]> >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > > > -- > Dianne Hackborn > Android framework engineer > [email protected] > > 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. > > -- Dianne Hackborn Android framework engineer [email protected] 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 [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

