I am sure, you are missing .so files which is a part of your library. you need the .so files "Add to build path" and things will work.
Warm Regards, *Mukesh Kumar*, Android Consultant/Freelancer, India,Hyderabad. On Sat, Dec 31, 2011 at 12:57 PM, Pritish <pritishdeshm...@gmail.com> wrote: > Now this time I am using the Cairo.Matrix dll in my monoandroid > application to load the some System.Drawing.Drawing2D.Matix Class > Methods it works fine at build time but at run time the Matrix class > from Cairo.Matrix gives an error "System.NullReferenceException: > Object reference not set to an instance of an object." > when I intialize the Cairo.Matrix Class error is "Exception in > loading dicom filelibcairo-2.dll." > > This below code I am trying.......... > using System; > using System.Drawing; > using Medsynaptic.Common; > using Medsynaptic.Imaging1.Mathematics; > using Matrix = Cairo.Matrix; > > public class SpatialTransform : ISpatialTransform > { > private Cairo.Matrix _cumulativeTransform; > private Cairo.Matrix _transform; > public PointF ConvertToDestination(PointF sourcePoint) > { > double x = 0.0, y = 0.0; > this.CumulativeTransform.TransformPoint(ref x, ref > y); > PointF point = new PointF((float)x, (float)y); > return point; > } > Here it show Null Ref Exception:Object reference not set to an > instance of an object > public Cairo.Matrix CumulativeTransform > { > get > { > Calculate(); > return _cumulativeTransform; > } > } > protected virtual void Calculate() > { > if (!this.RecalculationRequired) > return; > ERROR @ if condition:- Object reference not set to an > instance of an object > if (_cumulativeTransform == null) > _cumulativeTransform = new Cairo.Matrix(); > > // _cumulativeTransform.Reset(); > > _cumulativeTransform.InitIdentity(); > } > } > > > so please help me for this it's very urgent. > Regards > Pritish M. Deshmukh > > -- > 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 -- -- 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