A TextView that supports stroked and filled text

attrs.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="StrokedText">
        <attr name="textStrokeColor" format="color"/>
        <attr name="textStrokeWidth" format="dimension"/>
    </declare-styleable>
</resources>

StrokedTextView.kt

import android.content.Context
import android.graphics.Canvas
import android.graphics.Paint
import android.util.AttributeSet
import android.widget.TextView

class StrokedTextView(context: Context, attrs: AttributeSet?) : TextView(context, attrs) {

    val DEFAULT_STROKE_WIDTH = 0f

    var strokeColor = 0
    var strokeWidth = DEFAULT_STROKE_WIDTH

    init {
        if (attrs != null) {
            val a = context.obtainStyledAttributes(attrs, R.styleable.StrokedText)
            strokeColor = a.getColor(R.styleable.StrokedText_textStrokeColor, currentTextColor)
            strokeWidth = a.getDimension(R.styleable.StrokedText_textStrokeWidth, DEFAULT_STROKE_WIDTH)
            a.recycle()
        }
        else {
            strokeColor = currentTextColor
        }
    }

    override fun onDraw(canvas: Canvas) {
        // Set paint to fill mode
        val p = paint
        p.style = Paint.Style.FILL

        // Draw the fill part of text
        super.onDraw(canvas)

        if (strokeWidth > 0) {
            // Save the text color
            val current = textColors

            // Set paint to stroke mode and specify
            // stroke color and width
            p.style = Paint.Style.STROKE
            p.strokeWidth = strokeWidth
            setTextColor(strokeColor)

            // Draw text stroke
            super.onDraw(canvas)

            // Revert the color back to the one
            // initially specified
            setTextColor(current)
        }
    }
}