Android button shadow/margin top -

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i have button , imageview in 1 line. button has margin top. , use simple background drawable.

part of xml code:

<linearlayout     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:orientation="horizontal"     android:layout_marginleft="20dp"     android:layout_marginright="20dp"     android:layout_margintop="20dp">      <textview         android:layout_width="match_parent"         android:layout_height="60dp"         android:layout_weight="4"         android:background="@color/main_green"         android:text="@string/from"         android:gravity="center"         android:textsize="22dp"         android:textcolor="@color/text_color_white"/>      <button         android:id="@+id/fromcitybutton"         android:layout_width="match_parent"         android:layout_height="60dp"         android:layout_weight="1"         android:hint="from"         android:background="@drawable/button_blank_border"/>      </linearlayout>

button background drawable code:

<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android">     <item>         <shape>             <solid android:color="@color/main_background"/>             <stroke android:width="1px" android:color="#000000" />         </shape>     </item> </selector>

now part looks this: enter image description here

but should this: enter image description here

how should fix shadow/margin of button?

this should work

    <textview         android:layout_width="match_parent"         android:layout_height="60dp"         android:background="#008080"         android:layout_weight="4"         android:gravity="center"         android:layout_gravity="center"  <--------         android:text="is"         android:textcolor="#ffffff"         android:textsize="22dp" />

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