android - Weird behavior with a RelativeLayout and the Galaxy S4 -

this not first time such thing occured galaxy s4. here situation :

i have layout in want center in parent thin line , center horizontally above , below 2 other views. managed achieve desired effect on every android phone hands on except galaxy s4.

tested phones :

• nexus 6 (android 5.1.1) - working
• nexus 4 (android 5.1.1) - working
• wiko darkfull (android 4.2.1) - working
• galaxy s4 gt-i9505 (android 4.4.2) - not working

here effect working on every phone except s4 :

and here effect have on s4 :

the relevant part of code :

 <relativelayout         android:layout_width="64dp"         android:layout_height="match_parent"         android:background="@color/black_blur_12">          <imageview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_above="@+id/separator"             android:layout_centerhorizontal="true"             android:layout_marginright="8dp"             android:src="@drawable/ic_group_white_24dp" />          <imageview             android:id="@+id/separator"             android:layout_width="32dp"             android:layout_height="0.5dp"             android:layout_centerinparent="true"             android:background="@color/white"/>          <textview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_below="@id/separator"             android:layout_centerhorizontal="true"             android:singleline="true"             android:textappearance="@android:style/textappearance.medium"             android:textcolor="@color/white"             android:text="0"/>   </relativelayout> 

as said, not first time have problem layouts , galaxy s4. roms official.

thanks help.