a614ac3764
- цветовые токены тёмно-зелёной темы + RadiolaColors (CompositionLocal) - darkColorScheme + всегда тёмная тема, фирменные shapes - типографика с весами/размерами под макет - Brand: AppMark (градиентный R), RadiolaWordmark, MonoMark - Motion: спеки движения, pressScale, живой эквалайзер - pill-таб-бар с анимированной активной вкладкой
103 lines
3.7 KiB
Kotlin
103 lines
3.7 KiB
Kotlin
package com.radiola.ui.theme
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import androidx.compose.animation.core.Animatable
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import androidx.compose.animation.core.FastOutSlowInEasing
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import androidx.compose.animation.core.LinearEasing
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import androidx.compose.animation.core.RepeatMode
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import androidx.compose.animation.core.Spring
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import androidx.compose.animation.core.animateFloat
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import androidx.compose.animation.core.infiniteRepeatable
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import androidx.compose.animation.core.rememberInfiniteTransition
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import androidx.compose.animation.core.spring
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import androidx.compose.animation.core.tween
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import androidx.compose.foundation.Canvas
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import androidx.compose.foundation.gestures.detectTapGestures
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import androidx.compose.foundation.interaction.MutableInteractionSource
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import androidx.compose.foundation.interaction.collectIsPressedAsState
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.remember
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.geometry.CornerRadius
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import androidx.compose.ui.geometry.Offset
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import androidx.compose.ui.geometry.Size
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.graphicsLayer
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import androidx.compose.ui.unit.dp
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import kotlin.math.abs
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/** Стандартные длительности и кривые движения приложения. */
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object Motion {
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const val Fast = 120
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const val Medium = 220
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const val Slow = 360
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fun <T> snappy() = spring<T>(
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dampingRatio = Spring.DampingRatioMediumBouncy,
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stiffness = Spring.StiffnessMediumLow
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)
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fun <T> gentle() = tween<T>(durationMillis = Medium, easing = FastOutSlowInEasing)
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}
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/** Лёгкое нажатие: плавное уменьшение масштаба, пока палец на элементе. */
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@Composable
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fun Modifier.pressScale(
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pressedScale: Float = 0.94f,
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interactionSource: MutableInteractionSource = remember { MutableInteractionSource() }
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): Modifier {
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val pressed by interactionSource.collectIsPressedAsState()
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val scale by androidx.compose.animation.core.animateFloatAsState(
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targetValue = if (pressed) pressedScale else 1f,
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animationSpec = tween(Motion.Fast, easing = FastOutSlowInEasing),
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label = "pressScale"
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)
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return this.graphicsLayer {
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scaleX = scale
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scaleY = scale
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}
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}
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/**
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* Живой эквалайзер для прямого эфира — декоративный, без перемотки.
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* Полоски плавно «дышат» при воспроизведении.
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*/
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@Composable
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fun LiveEqualizer(
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modifier: Modifier = Modifier,
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barCount: Int = 36,
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color: Color = Accent,
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playing: Boolean = true
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) {
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val transition = rememberInfiniteTransition(label = "eq")
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val phase by transition.animateFloat(
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initialValue = 0f,
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targetValue = (Math.PI * 2).toFloat(),
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animationSpec = infiniteRepeatable(
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animation = tween(1400, easing = LinearEasing),
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repeatMode = RepeatMode.Restart
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),
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label = "eqPhase"
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)
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Canvas(modifier = modifier) {
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val gap = 3.dp.toPx()
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val barWidth = (size.width - gap * (barCount - 1)) / barCount
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val maxH = size.height
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for (i in 0 until barCount) {
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val seed = (i * 0.7f)
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val wave = if (playing) {
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0.45f + 0.55f * abs(kotlin.math.sin(phase + seed))
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} else 0.25f
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val h = maxH * wave
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val x = i * (barWidth + gap)
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val y = (maxH - h) / 2f
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drawRoundRect(
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color = color,
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topLeft = Offset(x, y),
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size = Size(barWidth, h),
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cornerRadius = CornerRadius(barWidth / 2f, barWidth / 2f)
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)
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}
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}
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}
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