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A Rating bar for Android written in Compose.
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import androidx.compose.foundation.layout.Row | |
import androidx.compose.material.Icon | |
import androidx.compose.material.icons.Icons | |
import androidx.compose.material.icons.outlined.Star | |
import androidx.compose.material.icons.outlined.StarHalf | |
import androidx.compose.material.icons.outlined.StarOutline | |
import androidx.compose.runtime.Composable | |
import androidx.compose.ui.Modifier | |
import androidx.compose.ui.graphics.Color | |
import androidx.compose.ui.tooling.preview.Preview | |
import kotlin.math.ceil | |
import kotlin.math.floor | |
@Composable | |
fun RatingBar( | |
modifier: Modifier = Modifier, | |
rating: Double = 0.0, | |
stars: Int = 5, | |
starsColor: Color = Color.Yellow, | |
) { | |
val filledStars = floor(rating).toInt() | |
val unfilledStars = (stars - ceil(rating)).toInt() | |
val halfStar = !(rating.rem(1).equals(0.0)) | |
Row(modifier = modifier) { | |
repeat(filledStars) { | |
Icon(imageVector = Icons.Outlined.Star, contentDescription = null, tint = starsColor) | |
} | |
if (halfStar) { | |
Icon( | |
imageVector = Icons.Outlined.StarHalf, | |
contentDescription = null, | |
tint = starsColor | |
) | |
} | |
repeat(unfilledStars) { | |
Icon( | |
imageVector = Icons.Outlined.StarOutline, | |
contentDescription = null, | |
tint = starsColor | |
) | |
} | |
} | |
} | |
@Preview | |
@Composable | |
fun RatingPreview() { | |
RatingBar(rating = 2.5) | |
} | |
@Preview | |
@Composable | |
fun TenStarsRatingPreview() { | |
RatingBar(stars = 10, rating = 8.5) | |
} | |
@Preview | |
@Composable | |
fun RatingPreviewFull() { | |
RatingBar(rating = 5.0) | |
} | |
@Preview | |
@Composable | |
fun RatingPreviewWorst() { | |
RatingBar(rating = 1.0) | |
} | |
@Preview | |
@Composable | |
fun RatingPreviewDisabled() { | |
RatingBar(rating = 0.0, starsColor = Color.Gray) | |
} |
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