animation - Scrolling an image inside a imageView in android -

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i working on application in having large image , need display image in imageview of small size . thinking view whole image scrolling image inside image view automatic.can posible ?

i have tried following not getting satisfaction. android how zoom , scroll bitmap created on fly

android autoscroll imageview

http://blog.sephiroth.it/2011/04/04/imageview-zoom-and-scroll/

in short need develop ken burns effect

i tried https://github.com/flavioarfaria/kenburnsview getting error follows :

 java.lang.nullpointerexception @ com.flaviofaria.kenburnsview.mathutils.getrectratio(mathutils.java:44)


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