ListView作为Content View，ListView无法显示EmptyView about swipetoloadlayout

[Aspsine]

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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">

    <TextView
        android:id="@+id/tvEmpty"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="emptyView"
        android:clickable="true"
        android:textSize="18sp" />

    <com.aspsine.swipetoloadlayout.SwipeToLoadLayout
        android:id="@+id/swipeToLoadLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context="com.aspsine.swipetoloadlayoutdemo.MainActivity">

        <com.aspsine.swipetoloadlayoutdemo.RefreshHeaderView
            android:id="@id/swipe_refresh_header"
            android:layout_width="match_parent"
            android:layout_height="100dp"
            android:gravity="center" />

        <ListView
            android:id="@id/swipe_target"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

        <com.aspsine.swipetoloadlayoutdemo.LoadMoreFooterView
            android:id="@id/swipe_load_more_footer"
            android:layout_width="match_parent"
            android:layout_height="100dp"
            android:gravity="center" />

    </com.aspsine.swipetoloadlayout.SwipeToLoadLayout>
</FrameLayout>

ListView listView = (ListView) findViewById(R.id.swipe_target);

TextView tvEmpty = (TextView) findViewById(R.id.tvEmpty);

listView.setEmptyView(tvEmpty);

I have tested, it works!