<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/white"
    android:orientation="vertical" >
    
    <ImageButton
        android:id="@+id/plus_drink_button"
        android:layout_width="120dp"
        android:layout_height="120dp"
        android:src="@drawable/drink_plus_button"
        android:contentDescription="@string/add_desc"
        android:background="@android:color/white"/>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    
    
    <RelativeLayout
        android:layout_centerHorizontal="true"
        android:layout_marginTop="220dp"
        android:background="@android:color/white"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content">
              
    <ImageButton
        android:id="@+id/plus_drink_button"
        android:layout_width="160dp"
        android:layout_height="160dp"
        android:src="@drawable/drink_plus_button"
        android:contentDescription="@string/add_desc"
        android:background="@android:color/white"
  
        android:hapticFeedbackEnabled="true"/>

      <ImageButton
        android:id="@+id/inject_drink_button"
        android:layout_width="70dp"
        android:layout_height="70dp"
        android:src="@drawable/drink_inject"
        android:contentDescription="@string/add_desc"
        android:background="@android:color/white"
        android:layout_alignTop="@id/plus_drink_button"
        android:layout_toRightOf="@id/plus_drink_button"
        android:hapticFeedbackEnabled="true"/>
    </RelativeLayout>
    
</RelativeLayout>

Add the drink inject button to the tracker layout page
Add the drink inject button to the tracker layout page
