how to set small image over large Imageview match parent without distorted or stretched in android -

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hi new in android capturing image custom camera , camera preview , image resolution saved image has quality want view image in activity big layout (image-view) image distorted vertically problem samsung tab , note(because image size small , layout full screen). how set small image in full screen image view please give me solution spend hole week not solution .sorry bad english, in advance.


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