|
| 1 | +package com.cornellappdev.uplift.ui.components.capacityreminder |
| 2 | + |
| 3 | +import androidx.compose.animation.core.EaseInOut |
| 4 | +import androidx.compose.animation.core.LinearEasing |
| 5 | +import androidx.compose.animation.core.RepeatMode |
| 6 | +import androidx.compose.animation.core.VectorConverter |
| 7 | +import androidx.compose.animation.core.animateFloat |
| 8 | +import androidx.compose.animation.core.animateValue |
| 9 | +import androidx.compose.animation.core.infiniteRepeatable |
| 10 | +import androidx.compose.animation.core.rememberInfiniteTransition |
| 11 | +import androidx.compose.animation.core.tween |
| 12 | +import androidx.compose.foundation.Canvas |
| 13 | +import androidx.compose.foundation.Image |
| 14 | +import androidx.compose.foundation.background |
| 15 | +import androidx.compose.foundation.layout.Box |
| 16 | +import androidx.compose.foundation.layout.fillMaxSize |
| 17 | +import androidx.compose.foundation.layout.fillMaxWidth |
| 18 | +import androidx.compose.foundation.layout.height |
| 19 | +import androidx.compose.foundation.layout.offset |
| 20 | +import androidx.compose.foundation.layout.padding |
| 21 | +import androidx.compose.foundation.layout.size |
| 22 | +import androidx.compose.foundation.layout.width |
| 23 | +import androidx.compose.foundation.shape.RoundedCornerShape |
| 24 | +import androidx.compose.material3.Text |
| 25 | +import androidx.compose.runtime.Composable |
| 26 | +import androidx.compose.runtime.getValue |
| 27 | +import androidx.compose.ui.Alignment |
| 28 | +import androidx.compose.ui.Modifier |
| 29 | +import androidx.compose.ui.draw.shadow |
| 30 | +import androidx.compose.ui.geometry.Offset |
| 31 | +import androidx.compose.ui.graphics.Brush |
| 32 | +import androidx.compose.ui.graphics.Color |
| 33 | +import androidx.compose.ui.graphics.StrokeCap |
| 34 | +import androidx.compose.ui.layout.ContentScale |
| 35 | +import androidx.compose.ui.res.painterResource |
| 36 | +import androidx.compose.ui.text.font.FontWeight |
| 37 | +import androidx.compose.ui.text.style.TextAlign |
| 38 | +import androidx.compose.ui.tooling.preview.Preview |
| 39 | +import androidx.compose.ui.unit.Dp |
| 40 | +import androidx.compose.ui.unit.dp |
| 41 | +import androidx.compose.ui.unit.sp |
| 42 | +import com.cornellappdev.uplift.R |
| 43 | +import com.cornellappdev.uplift.util.PRIMARY_BLACK |
| 44 | +import com.cornellappdev.uplift.util.montserratFamily |
| 45 | +import kotlin.math.cos |
| 46 | +import kotlin.math.sin |
| 47 | + |
| 48 | + |
| 49 | +@Composable |
| 50 | + |
| 51 | +fun CapacityReminderLoading() { |
| 52 | + val infiniteTransition = rememberInfiniteTransition(label = "Capacity Reminder Loading") |
| 53 | + |
| 54 | + val rotationAngle by infiniteTransition.animateFloat( |
| 55 | + initialValue = 0f, |
| 56 | + targetValue = 360f, animationSpec = infiniteRepeatable( |
| 57 | + animation = tween(durationMillis = 2000, easing = LinearEasing), |
| 58 | + repeatMode = RepeatMode.Restart |
| 59 | + ), |
| 60 | + label = "rotationAngle" |
| 61 | + ) |
| 62 | + |
| 63 | + val logoYOffset by infiniteTransition.animateValue( |
| 64 | + initialValue = 0.dp, |
| 65 | + targetValue = (-20).dp, animationSpec = infiniteRepeatable( |
| 66 | + animation = tween(durationMillis = 750, easing = EaseInOut), |
| 67 | + repeatMode = RepeatMode.Reverse |
| 68 | + ), |
| 69 | + label = "logoYOffset", |
| 70 | + typeConverter = Dp.VectorConverter |
| 71 | + ) |
| 72 | + |
| 73 | + val componentSize by infiniteTransition.animateFloat( |
| 74 | + initialValue = 1f, |
| 75 | + targetValue = 0.97f, animationSpec = infiniteRepeatable( |
| 76 | + animation = tween(durationMillis = 750, easing = EaseInOut), |
| 77 | + repeatMode = RepeatMode.Reverse |
| 78 | + ), |
| 79 | + label = "componentSize" |
| 80 | + ) |
| 81 | + |
| 82 | + val textOpacity by infiniteTransition.animateFloat( |
| 83 | + initialValue = 1f, |
| 84 | + targetValue = 0.5f, animationSpec = infiniteRepeatable( |
| 85 | + animation = tween(durationMillis = 750, easing = EaseInOut), |
| 86 | + repeatMode = RepeatMode.Reverse |
| 87 | + ), |
| 88 | + label = "textOpacity" |
| 89 | + ) |
| 90 | + |
| 91 | + val dotCount by infiniteTransition.animateValue( |
| 92 | + initialValue = 1, |
| 93 | + targetValue = 4, // Animate up to (but not including) this value |
| 94 | + typeConverter = Int.VectorConverter, |
| 95 | + animationSpec = infiniteRepeatable( |
| 96 | + animation = tween( |
| 97 | + durationMillis = 1500, |
| 98 | + easing = LinearEasing |
| 99 | + ), |
| 100 | + repeatMode = RepeatMode.Restart |
| 101 | + ), |
| 102 | + label = "dotCount" |
| 103 | + ) |
| 104 | + |
| 105 | + Box( |
| 106 | + modifier = Modifier |
| 107 | + .fillMaxSize() |
| 108 | + .background(Color(0xFFD9D9D9).copy(alpha = 0.5f)) |
| 109 | + ) { |
| 110 | + Box( |
| 111 | + modifier = Modifier |
| 112 | + .height((270 * componentSize).toInt().dp) |
| 113 | + .width((249 * componentSize).toInt().dp) |
| 114 | + .shadow( |
| 115 | + elevation = 40.dp, |
| 116 | + shape = RoundedCornerShape(20.dp), |
| 117 | + ambientColor = Color(0xFFE5ECED), |
| 118 | + spotColor = Color(0xFFE5ECED) |
| 119 | + ) |
| 120 | + .background(PRIMARY_BLACK, RoundedCornerShape(20.dp)) |
| 121 | + .align(Alignment.Center) |
| 122 | + ) { |
| 123 | + Box( |
| 124 | + modifier = Modifier |
| 125 | + .padding(vertical = 25.dp, horizontal = 20.dp) |
| 126 | + .fillMaxSize() |
| 127 | + ) { |
| 128 | + Text( |
| 129 | + text = buildString { |
| 130 | + append("Loading") |
| 131 | + repeat(dotCount) { append(".") } |
| 132 | + }, |
| 133 | + fontSize = 24.sp, |
| 134 | + fontFamily = montserratFamily, |
| 135 | + fontWeight = FontWeight(500), |
| 136 | + color = Color.White.copy(alpha = textOpacity), |
| 137 | + textAlign = TextAlign.Center, |
| 138 | + modifier = Modifier |
| 139 | + .fillMaxWidth() |
| 140 | + .align(Alignment.BottomCenter) |
| 141 | + ) |
| 142 | + |
| 143 | + Box( |
| 144 | + modifier = Modifier.fillMaxWidth(), |
| 145 | + contentAlignment = Alignment.BottomCenter |
| 146 | + ) { |
| 147 | + Canvas(modifier = Modifier.size(100.dp)) { |
| 148 | + val center = size / 2f |
| 149 | + val rayLength = size.minDimension |
| 150 | + val rayCount = 8 |
| 151 | + val strokeWidth = 8.dp.toPx() |
| 152 | + |
| 153 | + for (i in 0 until rayCount) { |
| 154 | + val angle = i * (360f / rayCount) - 90f + rotationAngle |
| 155 | + val radians = Math.toRadians(angle.toDouble()) |
| 156 | + val start = Offset( |
| 157 | + center.width + (rayLength * 0.50f * cos(radians)).toFloat(), |
| 158 | + center.height + (rayLength * 0.50f * sin(radians)).toFloat() |
| 159 | + ) |
| 160 | + val end = Offset( |
| 161 | + center.width + (rayLength * 0.7 * cos(radians)).toFloat(), |
| 162 | + center.height + (rayLength * 0.7 * sin(radians)).toFloat() |
| 163 | + ) |
| 164 | + val brush = Brush.radialGradient( |
| 165 | + colorStops = arrayOf( |
| 166 | + 0.0f to Color(0xFFFFE894).copy(alpha = 1f - (i * 0.1f)), |
| 167 | + |
| 168 | + 1.0f to Color(0xffffffff).copy(alpha = 1f - (i * 0.1f)) |
| 169 | + ), |
| 170 | + center = Offset( |
| 171 | + 0.1464f, |
| 172 | + 0.8418f |
| 173 | + ), |
| 174 | + radius = 0.6965f |
| 175 | + ) |
| 176 | + |
| 177 | + drawLine( |
| 178 | + brush = brush, |
| 179 | + start = start, |
| 180 | + end = end, |
| 181 | + strokeWidth = strokeWidth, |
| 182 | + cap = StrokeCap.Round |
| 183 | + ) |
| 184 | + } |
| 185 | + } |
| 186 | + Image( |
| 187 | + painter = painterResource(R.drawable.ic_logo_sun_var), |
| 188 | + contentDescription = "Uplift logo", |
| 189 | + modifier = Modifier |
| 190 | + .width(135.dp) |
| 191 | + .offset(y = 25.dp + logoYOffset), |
| 192 | + contentScale = ContentScale.FillWidth |
| 193 | + ) |
| 194 | + } |
| 195 | + } |
| 196 | + } |
| 197 | + } |
| 198 | +} |
| 199 | + |
| 200 | +@Preview |
| 201 | +@Composable |
| 202 | +fun CapacityReminderLoadingPreview() { |
| 203 | + CapacityReminderLoading() |
| 204 | +} |
0 commit comments