Peter,
Thanks. Built the libraries (suggested in the URL below) from scratch, as also the BoofCVAndroid.jar (and so not using the one that came with an older Android projec).
Close but no cigar.
Down to last 7 errors (below) :
Description Resource Path Location Type
The method erode8(ImageUInt8, int, ImageUInt8) in the type BinaryImageOps is not applicable for the arguments (ImageUInt8, ImageUInt8) BinaryDisplayActivity.java /DemoMain/src/org/boofcv/android line 120 Java Problem
The method erode4(ImageUInt8, int, ImageUInt8) in the type BinaryImageOps is not applicable for the arguments (ImageUInt8, ImageUInt8) BinaryDisplayActivity.java /DemoMain/src/org/boofcv/android line 116 Java Problem
The method dilate8(ImageUInt8, int, ImageUInt8) in the type BinaryImageOps is not applicable for the arguments (ImageUInt8, ImageUInt8) BinaryDisplayActivity.java /DemoMain/src/org/boofcv/android line 112 Java Problem
The constructor SfotConfig(Class<ImageUInt8>) is undefined ObjectTrackerActivity.java /DemoMain/src/org/boofcv/android line 111 Java Problem
The method dilate4(ImageUInt8, int, ImageUInt8) in the type BinaryImageOps is not applicable for the arguments (ImageUInt8, ImageUInt8) BinaryDisplayActivity.java /DemoMain/src/org/boofcv/android line 108 Java Problem
The method sparseFlow(SfotConfig, Class<T>, Class<D>) in the type FactoryTrackerObjectQuad is not applicable for the arguments (SfotConfig) ObjectTrackerActivity.java /DemoMain/src/org/boofcv/android line 114 Java Problem
The constructor LinearContourLabelChang2004(int) is undefined ShapeFittingActivity.java /DemoMain/src/org/boofcv/android line 99 Java Problem