android image layout size -

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enter image description here

from above image,how can remove white space surrounding image

imageview layout is

<imageview android:id="@+id/list_image" android:layout_width="@android:dimen/app_icon_size" android:layout_height="@android:dimen/app_icon_size"  android:layout_gravity="center_vertical" android:scaletype="fitcenter"/>

add image android:adjustviewbounds=true

if still not working, change layout size wrap_content


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