Tugas 10 - Water Bottle
Water Bottle
MainActivity.kt
package com.example.waterbottle
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.Button
import androidx.compose.material3.ButtonDefaults
import androidx.compose.material3.Card
import androidx.compose.material3.CardDefaults
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableIntStateOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.example.waterbottle.ui.theme.WaterBottleTheme
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
WaterBottleTheme {
Surface(
modifier = Modifier.fillMaxSize(),
color = MaterialTheme.colorScheme.background
) {
var usedWaterAmount by remember {
mutableIntStateOf(0)
}
val totalWaterAmount = remember {
2000
}
var isBottleFull by remember {
mutableStateOf(false)
}
Column(
modifier = Modifier.fillMaxSize(),
horizontalAlignment = Alignment.CenterHorizontally,
verticalArrangement = Arrangement.Center
) {
Box(
contentAlignment = Alignment.Center,
modifier = Modifier.weight(1f)
) {
WatterBottle(
totalWaterAmount = totalWaterAmount,
unit = "ml",
usedWaterAmount = usedWaterAmount
)
if (isBottleFull) {
FullBottleAlert()
}
}
Spacer(modifier = Modifier.height(20.dp))
Text(
text = "Total Amount is : $totalWaterAmount ml",
textAlign = TextAlign.Center,
fontWeight = FontWeight.Bold,
color = Color(0xff279EFF)
)
Spacer(modifier = Modifier.height(20.dp))
Card(
modifier = Modifier
.padding(horizontal = 32.dp)
.padding(bottom = 24.dp),
colors = CardDefaults.cardColors(
containerColor = Color.LightGray.copy(alpha = 0.2f)
),
shape = RoundedCornerShape(16.dp),
elevation = CardDefaults.cardElevation(
defaultElevation = 2.dp
)
) {
Row(
modifier = Modifier
.fillMaxWidth()
.padding(16.dp),
horizontalArrangement = Arrangement.Center,
verticalAlignment = Alignment.CenterVertically
) {
Button(
onClick = {
if (usedWaterAmount + 200 <= totalWaterAmount) {
usedWaterAmount += 200
isBottleFull = (usedWaterAmount == totalWaterAmount)
} else {
usedWaterAmount = totalWaterAmount
isBottleFull = true
}
},
shape = RoundedCornerShape(12.dp),
colors = ButtonDefaults.buttonColors(containerColor = Color(0xff279EFF)),
modifier = Modifier.weight(1f)
) {
Text(
text = "Fill",
fontWeight = FontWeight.Bold,
modifier = Modifier.padding(vertical = 4.dp)
)
}
Spacer(modifier = Modifier.width(16.dp))
Button(
onClick = {
usedWaterAmount = 0
isBottleFull = false
},
shape = RoundedCornerShape(12.dp),
colors = ButtonDefaults.buttonColors(containerColor = Color.Red),
modifier = Modifier.weight(1f)
) {
Text(
text = "Drink All",
fontWeight = FontWeight.Bold,
modifier = Modifier.padding(vertical = 4.dp)
)
}
}
}
}
}
}
}
}
}
@Composable
fun FullBottleAlert() {
Card(
modifier = Modifier
.padding(16.dp),
colors = CardDefaults.cardColors(
containerColor = Color(0xFF1ABC9C).copy(alpha = 0.9f)
),
elevation = CardDefaults.cardElevation(
defaultElevation = 6.dp
)
) {
Text(
text = "Bottle Full. Time to Drink!",
modifier = Modifier.padding(16.dp),
color = Color.White,
fontWeight = FontWeight.Bold,
fontSize = 18.sp,
textAlign = TextAlign.Center
)
}
}
WaterBottle.kt
package com.example.waterbottle
import androidx.compose.animation.core.animateFloatAsState
import androidx.compose.animation.core.animateIntAsState
import androidx.compose.animation.core.tween
import androidx.compose.foundation.Canvas
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxHeight
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.size
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.geometry.CornerRadius
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.Path
import androidx.compose.ui.graphics.drawscope.clipPath
import androidx.compose.ui.text.SpanStyle
import androidx.compose.ui.text.buildAnnotatedString
import androidx.compose.ui.text.withStyle
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
@Composable
fun WatterBottle(
modifier: Modifier = Modifier,
totalWaterAmount: Int,
unit: String,
usedWaterAmount: Int,
waterWavesColor: Color = Color(0xff279EFF),
bottleColor: Color = Color.White,
capColor: Color = Color(0xFF0065B9)
) {
val waterPercentage = animateFloatAsState(
targetValue = (usedWaterAmount.toFloat() / totalWaterAmount.toFloat()),
label = "Water Waves animation",
animationSpec = tween(durationMillis = 1000)
).value
val usedWaterAmountAnimation = animateIntAsState(
targetValue = usedWaterAmount,
label = "Used water amount animation",
animationSpec = tween(durationMillis = 1000)
).value
Box(
modifier = modifier
.size(width = 200.dp, height = 600.dp)
) {
Canvas(modifier = Modifier.fillMaxSize()) {
val width = size.width
val height = size.height
val capWidth = size.width * 0.55f
val capHeight = size.height * 0.13f
val bodyPath = Path().apply {
moveTo(width * 0.3f, height * 0.1f)
lineTo(width * 0.3f, height * 0.2f)
quadraticBezierTo(
0f, height * 0.3f,
0f, height * 0.4f
)
lineTo(0f, height * 0.95f)
quadraticBezierTo(
0f, height,
width * 0.05f, height
)
lineTo(width * 0.95f, height)
quadraticBezierTo(
width, height,
width, height * 0.95f
)
lineTo(width, height * 0.4f)
quadraticBezierTo(
width, height * 0.3f,
width * 0.7f, height * 0.2f
)
lineTo(width * 0.7f, height * 0.2f)
lineTo(width * 0.7f, height * 0.1f)
close()
}
clipPath(
path = bodyPath
) {
drawRect(
color = bottleColor,
size = size,
topLeft = Offset(0f, 0f)
)
val waterWavesYPosition = (1 - waterPercentage) * size.height
val wavesPath = Path().apply {
moveTo(
x = 0f,
y = waterWavesYPosition
)
lineTo(
x = size.width,
y = waterWavesYPosition
)
lineTo(
x = size.width,
y = size.height
)
lineTo(
x = 0f,
y = size.height
)
close()
}
drawPath(
path = wavesPath,
color = waterWavesColor,
)
}
drawRoundRect(
color = capColor,
size = Size(capWidth, capHeight),
topLeft = Offset(size.width / 2 - capWidth / 2f, 0f),
cornerRadius = CornerRadius(45f, 45f)
)
}
val text = buildAnnotatedString {
withStyle(
style = SpanStyle(
color = if (waterPercentage > 0.5f) bottleColor else waterWavesColor,
fontSize = 44.sp
)
) {
append(usedWaterAmountAnimation.toString())
}
withStyle(
style = SpanStyle(
color = if (waterPercentage > 0.5f) bottleColor else waterWavesColor,
fontSize = 22.sp
)
) {
append(" ")
append(unit)
}
}
Box(
modifier = Modifier
.fillMaxSize()
.fillMaxHeight(),
contentAlignment = Alignment.Center
) {
Text(text = text)
}
}
}
@Preview
@Composable
fun WaterBottlePreview() {
WatterBottle(
totalWaterAmount = 2500,
unit = "ml",
usedWaterAmount = 120
)
}
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