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Group rectangles for android

Hi,

I am working on merging the rectangles and succeded in doing so for CPP side. Below is the implementation I did for cpp.

1) Find the overlapped rectangles(of fixed dimensions) if it satisifies one of my condition . I will push back it to Rectangle Vector( Reactarray variable ).

2) After traversing through the whole image I will have some overalapped rectangle . I pass Reactarray vector to groupRectangles.

Now I want to implement the same thing in Android. Since std::vector is not supported in Android , I am unable to implement in Android. They have given the MatofRect and some methods for implementing the above 2 steps . But I donot know exactly how to use it.

It would be great help if any one could give a example implementation of GroupRectangles problem I am facing.

Thanks in advance