How to remove White Transparent Color from top and bottom of UiPickerView row in IOS -

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i have 3 uipickerviews. want remove white transparent color top , bottom of each pickers row should clear , numbers should show full color.

i changed height delegate method 

- (cgfloat)pickerview:(uipickerview *)pickerview rowheightforcomponent:(nsinteger)component

and changed labels height , font size in 

-(uiview *)pickerview:(uipickerview *)pickerview viewforrow:(nsinteger)row forcomponent:(nsinteger)component reusingview:(uiview *)view

but didnt resolve problem.

please me in regard.

you can image of screen below link

enter image description here

unfortunately, can't remove shadow uipickerview.
have either create own view or use custom 1 afpickerview (it's on mit license)


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