LinearProgressIndicator, similar to Material 2 LinearProgressIndicator

LinearProgressIndicator.kt

package com.example.rideblitzandroidapp.common.ui

import android.content.Context
import android.graphics.Canvas
import android.graphics.Paint
import android.util.AttributeSet
import android.view.View
import com.example.rideblitzandroidapp.R
import com.example.rideblitzandroidapp.common.util.extension.dp
import com.example.rideblitzandroidapp.common.util.extension.getColorById

class LinearProgressIndicator @JvmOverloads constructor(
    context: Context, attrs: AttributeSet? = null
) : View(context, attrs) {

    private var progress: Int = 0
    private var indicatorColor: Int = context.getColorById(R.color.primary_blue)
    private var trackColor: Int = context.getColorById(R.color.primary_light)
    private var trackCornerRadius: Int = 8.dp

    private val trackPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
        style = Paint.Style.FILL
    }

    private val indicatorPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
        style = Paint.Style.FILL
    }

    fun setProgress(value: Int) {
        progress = value.coerceIn(0, 100)
        invalidate()
    }

    fun setIndicatorColor(color: Int) {
        indicatorColor = color
        invalidate()
    }

    fun setTrackColor(color: Int) {
        trackColor = color
        invalidate()
    }

    fun setTrackCornerRadius(radiusDp: Int) {
        trackCornerRadius = radiusDp
        invalidate()
    }

    override fun onDraw(canvas: Canvas) {
        super.onDraw(canvas)

        val width = width.toFloat()
        val height = height.toFloat()
        val progressWidth = width * (progress / 100f)

        // Draw track
        trackPaint.color = trackColor
        canvas.drawRoundRect(
            0f,
            0f,
            width,
            height,
            trackCornerRadius.toFloat(),
            trackCornerRadius.toFloat(),
            trackPaint
        )

        // Draw indicator
        indicatorPaint.color = indicatorColor
        canvas.drawRoundRect(
            0f,
            0f,
            progressWidth,
            height,
            trackCornerRadius.toFloat(),
            trackCornerRadius.toFloat(),
            indicatorPaint
        )
    }
}