android - GridView element selection has different size -

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i've gridview 3 columns , fixed height. seems fine when click on element, selector bigger clicked element. in image, can see, fifth element selected, , selection goes on elemen boundaries.

enter image description here

the gridview layout pretty simple

<gridview     android:id="@+id/gridview"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:gravity="center"     android:numcolumns="3"     android:stretchmode="columnwidth" />

and item pretty straightforward

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="match_parent"     android:layout_height="@dimen/row_height"     android:gravity="center" >      <imageview         android:id="@+id/img"         android:layout_width="@dimen/width"         android:layout_height="@dimen/height"         android:layout_gravity="center"         android:background="@color/r1" />  </linearlayout>

what missing?

maybe using , old android theme on activity try using holo theme (@android:style/theme.holo.light.noactionbar) , check if solve problem, should.


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