<RadioButton
    android:id="@+id/rb_rad1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginTop="@dimen/dp_10"
    android:checked="true"
    android:text="@string/text1"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintTop_toBottomOf="@+id/xyz" />


<RadioButton
    android:id="@+id/rb_rad2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginLeft="@dimen/dp_34"
    android:checked="false"
    android:text="@string/text2"
    app:layout_constraintBaseline_toBaselineOf="@+id/rb_rad1"
    app:layout_constraintLeft_toRightOf="@+id/rb_rad1" />

<RadioButton
    android:id="@+id/rb_rad3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:checked="false"
    android:text="@string/text3"
    app:layout_constraintLeft_toLeftOf="@+id/rb_rad1"
    app:layout_constraintTop_toBottomOf="@+id/rb_rad1" />

<RadioButton
    android:id="@+id/rb_rad4"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:checked="false"
    android:text="@string/text4"
    app:layout_constraintLeft_toLeftOf="@+id/rb_rad2"
    app:layout_constraintTop_toBottomOf="@+id/rb_rad2" />

holder.binding.rbRad1.setOnClickListener(object : View.OnClickListener {
                override fun onClick(view: View?) {
                    holder.binding.rbRad2.isChecked = false
                    holder.binding.rbRad4.isChecked = false
                    holder.binding.rbRad3.isChecked = false
                    notifyDataSetChanged()
                }
            })

            holder.binding.rbRad3.setOnClickListener(object : View.OnClickListener {
                override fun onClick(view: View?) {
                    holder.binding.rbRad2.isChecked = false
                    holder.binding.rbRad4.isChecked = false
                    holder.binding.rbRad1.isChecked = false
                    notifyDataSetChanged()
                }
            })

            holder.binding.rbRad2.setOnClickListener(object : View.OnClickListener {
                override fun onClick(view: View?) {
                    holder.binding.rbRad3.isChecked = false
                    holder.binding.rbRad4.isChecked = false
                    holder.binding.rbRad1.isChecked = false
                    notifyDataSetChanged()
                }
            })

            holder.binding.rbRad4.setOnClickListener(object : View.OnClickListener {
                override fun onClick(view: View?) {
                    holder.binding.rbRad2.isChecked = false
                    holder.binding.rbRad3.isChecked = false
                    holder.binding.rbRad1.isChecked = false
                    notifyDataSetChanged()
                }
            })