AndroidAPS/app/src/main/res/layout/food_fragment.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="info.nightscout.androidaps.plugins.treatments.fragments.TreatmentsExtendedBolusesFragment">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:contentDescription="@string/filter"
            android:paddingLeft="5dp"
            android:paddingRight="5dp"
            app:srcCompat="@android:drawable/ic_menu_search" />

        <EditText
            android:id="@+id/filter"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:autofillHints="@string/filter"
            android:ems="10"
            android:inputType="text"
            android:text="" />

        <ImageView
            android:id="@+id/clearfilter"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:contentDescription="@string/clear_filter"
            android:paddingLeft="5dp"
            android:paddingRight="5dp"
            app:srcCompat="@android:drawable/ic_menu_close_clear_cancel" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="5dp"
        android:orientation="horizontal">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/category" />

        <Spinner
            android:id="@+id/category"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="end"
            android:minWidth="100dp" />

        <TextView
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/subcategory" />

        <Spinner
            android:id="@+id/subcategory"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="end"
            android:minWidth="100dp" />

    </LinearLayout>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recyclerview"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </androidx.recyclerview.widget.RecyclerView>

</LinearLayout>