legado/app/src/main/res/layout/dialog_variable.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:background="@drawable/shape_card_view"
        android:orientation="vertical"
        tools:ignore="UselessParent">

        <androidx.appcompat.widget.Toolbar
            android:id="@+id/tool_bar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:elevation="5dp"
            android:theme="?attr/actionBarStyle"
            app:displayHomeAsUp="false"
            app:fitStatusBar="false"
            app:title="Set variable"
            app:titleTextAppearance="@style/ToolbarTitle" />

        <io.legato.kazusa.ui.widget.text.AccentTextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="3dp"
            android:text="variable"
            tools:ignore="HardcodedText" />

        <io.legato.kazusa.lib.theme.view.ThemeEditText
            android:id="@+id/tv_variable"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            tools:ignore="SpeakableTextPresentCheck,TouchTargetSizeCheck" />

        <androidx.core.widget.NestedScrollView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"

            android:overScrollMode="ifContentScrolls">

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

                <io.legato.kazusa.ui.widget.text.AccentTextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:padding="3dp"
                    android:text="@string/variable_comment" />

                <TextView
                    android:id="@+id/tv_comment"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:padding="3dp"
                    android:textColor="@color/secondaryText"
                    android:textIsSelectable="true" />

            </LinearLayout>

        </androidx.core.widget.NestedScrollView>

    </LinearLayout>

</FrameLayout>