I've made a XML with RelativeLayout with the following code:
I can't see the TextView with the id "TV\_voucher\_number".
I've tried maybe making the XML a scrollview, but then I can't see the ListView properly.
The code:

```
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.ManageYourTrip.mytguideapp.Voucher" >

    <LinearLayout
        android:id="@+id/voucherTitle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true">
        <TextView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:text="Voucher"
            android:textColor="@color/Black"
            android:textSize="24sp"
            android:textStyle="bold"/>
    </LinearLayout>

        <TextView
            android:id="@+id/TV_Date"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:layout_below="@id/voucherTitle"
            android:text="Date: "
            android:textSize="12sp"
            android:textStyle="bold"
            android:textColor="@color/Black"
            >
        </TextView>

    <TextView
        android:id="@+id/TV_voucher_date"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_toRightOf="@id/TV_Date"
        android:layout_below="@id/voucherTitle"
        android:textColor="@color/Black"
        android:textSize="12sp">
    </TextView>

    <TextView
        android:id="@+id/TV_supplier_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_below="@id/TV_Date"
        android:text="Supplier Details:"
        android:textColor="@color/Black"
        android:textSize="12dp"
        android:textStyle="bold">
    </TextView>

    <TextView
        android:id="@+id/TV_supplier_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/TV_supplier_title"
        android:textColor="@color/Black"
        android:textSize="12dp">
    </TextView>

    <TextView
        android:id="@+id/LI_TV_suppliers_Address"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/TV_supplier_name"
        android:textColor="@color/Black"
        android:textSize="12dp">
    </TextView>

    <TextView
        android:id="@+id/TV_products_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_below="@id/LI_TV_suppliers_Address"
        android:text="PRODUCTS"
        android:textColor="@color/Black"
        android:textSize="12dp"
        android:textStyle="bold"
        android:layout_marginLeft="2dp">
    </TextView>

    <TextView
        android:id="@+id/TV_products_quantity"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_below="@id/LI_TV_suppliers_Address"
        android:text="Qty."
        android:textColor="@color/Black"
        android:textSize="12dp"
        android:textStyle="bold"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true">
    </TextView>

    <ListView
        android:id="@+id/ProductsList"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:layout_below="@id/TV_products_title">
    </ListView>

    <TextView
        android:id="@+id/voucher_number"
        android:layout_marginTop="20dp"
        android:layout_below="@id/ProductsList"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:textColor="@color/Black"
        android:text="VOUCHER #"
        android:textSize="12dp"
        android:textStyle="bold">
        </TextView>

    <TextView
        android:id="@+id/TV_voucher_number"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_below="@id/voucher_number"
        android:textColor="@color/Black"
        android:textSize="12dp">
    </TextView>

    <TextView
        android:layout_width="wrap_content"
        android:layout_below="@id/ProductsList"
        android:layout_marginTop="20dp"
        android:layout_height="match_parent"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:textColor="@color/Black"
        android:text="REF #"
        android:textSize="12dp"
        android:textStyle="bold">
    </TextView>

    </RelativeLayout>

```