找不到com.chaychan.library目录，是删了吗

[zbywl]

TouTiao-master\app\src\main\res\common\layout\activity_main.xml
以下全爆红：
<com.chaychan.library.BottomBarItem
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
app:iconNormal="@mipmap/tab_home_normal"
app:iconSelected="@mipmap/tab_home_selected"
app:itemText="@string/tab_home"
app:itemTextSize="8sp"
app:textColorNormal="@color/color_515051"
app:textColorSelected="@color/color_D33D3C"
app:itemMarginTop="-5dp"
app:openTouchBg="true"
app:touchDrawable="@drawable/selector_bottom_tab"
/>

    <com.chaychan.library.BottomBarItem
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        app:iconNormal="@mipmap/tab_video_normal"
        app:iconSelected="@mipmap/tab_video_selected"
        app:itemText="@string/tab_video"
        app:itemTextSize="8sp"
        app:textColorNormal="@color/color_515051"
        app:textColorSelected="@color/color_D33D3C"
        app:itemMarginTop="-5dp"
        app:openTouchBg="true"
        app:touchDrawable="@drawable/selector_bottom_tab"
        />