suyu/src/android/app/src/main/res/layout/filepicker_toolbar.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.appcompat.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/nnf_picker_toolbar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentTop="true"
    android:background="?attr/colorPrimary"
    android:minHeight="?attr/actionBarSize"
    android:theme="?nnf_toolbarTheme">

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

        <TextView
            android:id="@+id/filepicker_title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ellipsize="start"
            android:singleLine="true"
            android:textAppearance="@style/TextAppearance.AppCompat.Widget.ActionBar.Title" />

        <TextView
            android:id="@+id/nnf_current_dir"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ellipsize="start"
            android:singleLine="true"
            android:textAppearance="@style/TextAppearance.AppCompat.Widget.ActionBar.Subtitle" />
    </LinearLayout>
</androidx.appcompat.widget.Toolbar>