CustomTextView.kt

class CustomTextView : AppCompatTextView {

    constructor(context: Context) : super(context) {
        init(context)
    }

    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
        init(context, attrs)
    }

    constructor(context: Context, attrs: AttributeSet, defStyle: Int) : super(
        context,
        attrs,
        defStyle
    ) {
        init(context, attrs)
    }

    private fun init(context: Context, attrs: AttributeSet? = null) {
        if (!isInEditMode) {
            @Suppress("Recycle")
            context.obtainStyledAttributes(attrs, R.styleable.CustomTextView).use {
                setUpCharacterSpacing(
                    it.getFloat(R.styleable.CustomTextView_characterSpacing, 0.0f)
                )
                setUpLineSpacing(
                    it.getDimension(R.styleable.CustomTextView_lineSpacing, 0f)
                )
            }
            paintFlags = paintFlags or Paint.SUBPIXEL_TEXT_FLAG
        }
    }

    private fun setUpLineSpacing(lineSpacing: Float) {
        if (lineSpacing != 0f) {
            setLineSpacing(lineSpacing - textSize, 1f)
        }
    }
}

sample_layout.xml

<androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/constraintLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/grey_100">

    <com.sample.android.common.widget.CustomTextView
        android:id="@+id/header"
        style="@style/Body_S_Text_Style"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="24dp"
        android:gravity="center"
        android:maxLines="3"
        android:paddingStart="24dp"
        android:paddingEnd="24dp"
        android:text="@string/group_meditation_title"
        android:textColor="@{viewModel.state.eventState instanceof EventState.Live ? @color/grey_100 : @color/grey_900}"
        android:visibility="invisible"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:text="LIVE" />

    <ImageView
        android:id="@+id/closeIcon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/ripple_circle"
        android:contentDescription="@string/close_accessibility"
        android:onClick="@{(view) -> viewModel.onCloseClick()}"
        android:padding="@dimen/spacing_medium"
        android:src="@{viewModel.state.eventState instanceof EventState.Live ? @drawable/ic_close_24dp_pale : @drawable/ic_close_24dp_purple}"
        app:layout_constraintBottom_toBottomOf="@id/header"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/header"
        tools:src="@drawable/ic_close_24dp_purple" />

    <com.airbnb.lottie.LottieAnimationView
        android:id="@+id/popcornAnimation"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:background="@color/red_500"
        android:visibility="visible"
        app:layout_constraintDimensionRatio="750:1080"
        app:lottie_autoPlay="true"
        app:lottie_fileName="GroupMeditation_05-Popcorn_final.json"
        app:lottie_loop="true" />

    <com.sample.android.common.widget.CustomTextView
        android:id="@+id/userCounter"
        style="@style/Title_XL_Text_Style"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="42dp"
        android:layout_marginEnd="24dp"
        android:maxLines="1"
        android:elevation="1dp"
        android:text="@{viewModel.state.userCountText}"
        android:visibility="visible"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/closeIcon"
        tools:text="4,929" />

    <com.sample.android.common.widget.CustomTextView
        android:id="@+id/userCountTitle"
        style="@style/Title_S_Text_Style"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="8dp"
        android:layout_marginEnd="24dp"
        android:gravity="center"
        android:elevation="1dp"
        android:maxLines="3"
        android:text="@string/group_meditation_end_screen_title"
        android:visibility="visible"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/userCounter" />

</androidx.constraintlayout.widget.ConstraintLayout>