错误：在包"com.jams.music.player"中找不到属性"click_remove_id"的资源标识符

我是一个初学者，正试图按照教程学习。但是我遇到了上面的错误：在包"com.jams.music.player"中找不到属性"click_remove_id"的资源标识符。它在布局文件夹中。请帮我解决这个问题。这是给出错误的代码。。

<!-- Current queue drawer -->
<RelativeLayout
    android:id="@+id/main_activity_queue_drawer"
    android:layout_width="320dp"
    android:layout_height="match_parent"
    android:layout_gravity="end" >
    <TextView
      android:id="@+id/empty_queue_text"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerHorizontal="true"
      android:layout_centerVertical="true"
      android:text="@string/queue_is_empty"
      android:layout_marginLeft="25dp"
      android:layout_marginRight="25dp"
      android:visibility="invisible"
      android:textAppearance="?android:attr/textAppearanceMedium" />
    <RelativeLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:layout_below="@+id/divider" >
        <com.mobeta.android.dslv.DragSortListView
            xmlns:dslv="http://schemas.android.com/apk/res/com.jams.music.player"
            android:id="@+id/queue_list_view"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:drawSelectorOnTop="true"
            dslv:click_remove_id="@+id/remove_song_from_queue"
            dslv:drag_enabled="true"
            dslv:drag_handle_id="@+id/playlists_flipped_handle"
            dslv:drag_scroll_start="0.33"
            dslv:drag_start_mode="onDown"
            dslv:float_alpha="0.6"
            dslv:max_drag_scroll_speed="0.8"
            dslv:remove_enabled="true"
            dslv:remove_mode="clickRemove"
            dslv:slide_shuffle_speed="0.5" />
    </RelativeLayout>

<com.mobeta.android.dslv.DragSortListView
            xmlns:dslv="http://schemas.android.com/apk/res/com.jams.music.player"
            android:id="@+id/queue_list_view"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:drawSelectorOnTop="true"
            dslv:click_remove_id="@+id/remove_song_from_queue"
            dslv:drag_enabled="true"
            dslv:drag_handle_id="@+id/playlists_flipped_handle"
            dslv:drag_scroll_start="0.33"
            dslv:drag_start_mode="onDown"
            dslv:float_alpha="0.6"
            dslv:max_drag_scroll_speed="0.8"
            dslv:remove_enabled="true"
            dslv:remove_mode="clickRemove"
            dslv:slide_shuffle_speed="0.5" />

           click_remove_id
           drag_enabled
           drag_handle_id
           drag_scroll_start
           drag_start_mode
           float_alpha
           max_drag_scroll_speed
           remove_enabled
           remove_mode
           slide_shuffle_speed

    <attr name="click_remove_id" format="string" />
    <attr name="drag_enabled" format="boolean" />
    <attr name="drag_handle_id" format="integer" />
    <attr name="drag_scroll_start" format="float" />
    <attr name="drag_start_mode" format="string" />
    <attr name="float_alpha" format="float" />
    <attr name="max_drag_scroll_speed" format="float" />
    <attr name="remove_enabled" format="boolean" />
    <attr name="remove_mode" format="string" />
    <attr name="slide_shuffle_speed" format="float" />