Android FloatActionButton: how to make it stick out of a View? -

i have floatactionbutton have stick out bit view contains it, becomes cutted.

how can obtain out bit container?

example image

this complete code of layout, including coordinator layout , fab.

<?xml version="1.0" encoding="utf-8"?>   <framelayout xmlns:android="http://schemas.android.com/apk/res/android"       xmlns:tools="http://schemas.android.com/tools"       xmlns:app="http://schemas.android.com/apk/res-auto"       android:id="@+id/activity_show_image"       android:layout_width="match_parent"       android:layout_height="match_parent">        <imageview           android:layout_width="match_parent"           android:layout_height="match_parent"           android:id="@+id/add_text_to_media_image"/>        <android.support.v7.widget.toolbar           xmlns:android="http://schemas.android.com/apk/res/android"           android:id="@+id/toolbar"           android:layout_width="match_parent"           android:layout_height="wrap_content"           android:background="@color/black_overlay"           android:theme="@style/themeoverlay.appcompat.dark.actionbar"           />        <android.support.design.widget.coordinatorlayout           android:id="@+id/add_text_to_media_detail"           xmlns:android="http://schemas.android.com/apk/res/android"           xmlns:app="http://schemas.android.com/apk/res-auto"           android:layout_width="match_parent"           android:layout_height="wrap_content"           android:layout_gravity="bottom">           <relativelayout               android:layout_width="match_parent"               android:layout_height="wrap_content"               android:background="@color/black_overlay"               android:paddingtop="8dp"               android:paddingbottom="8dp"               android:paddingleft="16dp"               android:paddingright="16dp"               android:id="@+id/add_text_to_media_text_container">               <edittext                   android:layout_width="match_parent"                   android:layout_height="wrap_content"                   android:hint="aggiungi una descrizione..."                   android:textcolorhint="@color/material_grey_300"                   android:textcolor="@color/white"                   android:id="@+id/add_text_to_media_text"/>           </relativelayout>           <android.support.design.widget.floatingactionbutton               android:id="@+id/add_text_to_media_button"               android:layout_width="wrap_content"               android:layout_height="wrap_content"               app:fabsize="normal"               android:src="@drawable/ic_send_white_24dp"               app:layout_anchor="@+id/add_text_to_media_text_container"               app:layout_anchorgravity="right"               android:clickable="true"               android:layout_margintop="-27dp"               android:layout_marginright="16dp"               />       </android.support.design.widget.coordinatorlayout>     </framelayout> 

make view taller transparent background , change background of edittext darker color if want