KotlinLeaner
02/14/2023, 10:14 PMfun DrawProgressBar() {
val activity = LocalContext.current as AppCompatActivity
val rangeComposition = RangeComposition()
val itemLst = rangeComposition.bpExplained
val boxSize = 30.dp
val brush = Brush.horizontalGradient(listOf(Color.Red, Color.Blue))
val progressBarPointer = rangeComposition.findReadingWithPointer(142, 90).second
Box(
modifier = Modifier
.background(Color.White)
.height(height = boxSize)
) {
Canvas(
modifier = Modifier.fillMaxSize()
) {
val strokeWidth = 8.dp
val canvasWidth = size.width
val canvasHeight = size.height
val strokeWidthPx = density.run { strokeWidth.toPx() }
val pathEffect = PathEffect.dashPathEffect(floatArrayOf(canvasHeight / 19, canvasHeight / 19), 0f)
drawLine(
start = Offset(x = 0f, y = canvasHeight / 2),
end = Offset(x = canvasWidth, y = canvasHeight / 2),
color = Color.Gray,
strokeWidth = strokeWidthPx,
cap = StrokeCap.Round,
)
val progressBarPointerInPixel = (progressBarPointer / 100f) * canvasWidth
drawLine(
color = Color.White,
start = Offset(x = progressBarPointerInPixel, y = canvasHeight / 2),
end = Offset(x = progressBarPointerInPixel + strokeWidthPx / 2, y = canvasHeight / 2),
strokeWidth = strokeWidthPx,
)
drawLine(
brush = brush,
start = Offset(x = 0f, y = canvasHeight / 2),
end = Offset(x = progressBarPointerInPixel, y = canvasHeight / 2),
strokeWidth = strokeWidthPx,
cap = StrokeCap.Round,
)
drawArc(
topLeft = Offset(x = progressBarPointerInPixel, y = canvasHeight / 2 - strokeWidthPx / 2),
size = Size(strokeWidthPx, strokeWidthPx),
color = Color.White,
startAngle = -90f,
sweepAngle = 180f,
useCenter = true
)
itemLst.forEachIndexed { index, rangeItem ->
val endPointInPixel = (rangeItem.endPoint / 100f) * canvasWidth
if (index != itemLst.lastIndex) {
drawLine(
start = Offset(x = endPointInPixel, y = 0F),
end = Offset(x = endPointInPixel, y = boxSize.toPx()),
color = Color.Black,
strokeWidth = 1.2.dp.toPx(),
pathEffect = pathEffect
)
}
}
}
}
}
romainguy
02/14/2023, 10:39 PMKotlinLeaner
02/14/2023, 10:41 PMromainguy
02/14/2023, 10:43 PMcap = StrokeCap.Round
KotlinLeaner
02/14/2023, 10:45 PMephemient
02/14/2023, 10:54 PMromainguy
02/14/2023, 11:08 PMephemient
02/14/2023, 11:10 PMromainguy
02/14/2023, 11:14 PM