Custom View in Android - Kotlin

activity_layout.xml

<com.yourapp.widget.DetailsView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:text="Welcome"
    app:value="Feb" />

attr.xml

<resources>
    <declare-styleable name="DetailsView">
        <attr format="string" name="text"/>
        <attr format="string" name="value"/>
    </declare-styleable>
</resources>

details_view.xml

<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

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

        <TextView
            android:id="@+id/text_label"
            android:layout_width="0dip"
            android:layout_height="wrap_content"
            android:layout_weight="0.5"
            tools:text="Label" />

        <TextView
            android:id="@+id/text_value"
            android:layout_width="0dip"
            android:layout_height="wrap_content"
            android:layout_weight="0.5"
            tools:text="Value" />

    </LinearLayout>

</merge>

DetailsView.kt

import android.content.Context
import android.content.res.TypedArray
import android.util.AttributeSet
import android.view.View
import android.widget.LinearLayout
import android.widget.TextView

class DetailsView @JvmOverloads constructor(
    context: Context,
    attrs: AttributeSet? = null,
    defStyleAttr: Int = 0
) : LinearLayout(context, attrs, defStyleAttr) {

    private val attributes: TypedArray = context.obtainStyledAttributes(attrs, R.styleable.DetailsView)
    private val view: View = View.inflate(context, R.layout.details_view, this)

    init {
        view.findViewById<TextView>(R.id.text_label).text = attributes.getString(R.styleable.DetailsView_text)
        view.findViewById<TextView>(R.id.text_value).text = attributes.getString(R.styleable.DetailsView_value)
    }
}