dk_fragment_file_explorer.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@color/dk_color_FFFFFF"
    android:orientation="vertical">

    <com.didichuxing.doraemonkit.ui.widget.titlebar.TitleBar
        android:id="@+id/title_bar"
        android:layout_width="match_parent"
        android:layout_height="44dp"
        app:leftIcon="@drawable/dk_title_back"
        app:leftText="@string/dk_back"
        app:title="@string/dk_kit_file_explorer" />

    <View
        style="@style/DK.Shadow.Bottom" />

    <android.support.v7.widget.RecyclerView
        android:id="@+id/file_list"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>