habitica-android/Habitica/res/layout/fragment_inbox.xml

<android.support.v4.widget.SwipeRefreshLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/inbox_refresh_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior">

    <android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

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

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                style="@style/SectionTitle"
                android:text="@string/sidebar.inbox"
                android:textAppearance="?android:attr/textAppearanceMedium" />

            <android.support.v7.widget.CardView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textSize="@dimen/card_large_text"
                style="@style/CardView.Default">
                <LinearLayout
                    android:id="@+id/inbox_messages"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical"
                    android:divider="?android:listDivider"
                    android:showDividers="middle">
                </LinearLayout>
            </android.support.v7.widget.CardView>
        </LinearLayout>

    </android.support.v4.widget.NestedScrollView>
</android.support.v4.widget.SwipeRefreshLayout>