Thanks, both of you for your help. I imagine I'll be back with more questions soon!
On Aug 3, 8:08 pm, Bob Kerns <[email protected]> wrote: > Everything -- both the positions and the image widget size -- will be > in pixel coordinates. Actually, you don't need to know that -- just > that they're the same. Hell, I could even be wrong; I'm not going to > take out a microscope and check. > > If you have different coordinates for your image data (or even if you > don't or don't know or might want to scale in the future or are > paranoid), simply scale by the ratio of the image data : image widget. > A scale factor of 1:1 won't cause you any trouble. > > There are times to be absolute, and times to be relative. This is one > of the latter. > > On Aug 3, 9:25 am, kingh32 <[email protected]> wrote: > > > > > Hello - Thanks for your reply! > > > What you have just mentioned is pretty much where I'm stuck! > > I don't know how to identify programatically where the target actually > > is. Would this be done using pixel coordinates? > > Is there a way to determine the resolution of the phone (screen) that > > the app is being run on and adjust these calculations accordingly? > > > Thanks > > > On Aug 3, 4:52 pm, TreKing <[email protected]> wrote: > > > > On Tue, Aug 3, 2010 at 4:05 AM, Horace Bell-Gam > > > <[email protected]>wrote: > > > > > No, so far all I've been able to do is overlay an image of the target > > > > and > > > > make the entire object respond to a click. > > > > You know: > > > - The center of the image > > > - The length of each band > > > - Where the user clicks on the image (via onTouchEvents, me thinks) > > > - Simple algebra to calculate the distance of a point from the center of > > > the > > > image (I hope) > > > > That's all you should need to figure out which band the user has touched. > > > > What have you tried thus far? Where are you stuck? > > > > --------------------------------------------------------------------------- > > > ---------------------- > > > 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 [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
