Jetpack Compose

Jetpack Compose Grocery App UI | Dashboard App Part 3

Jetpack Compose Grocery App UI | Dashboard App Part 3
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In this article, I make a jetpack compose grocery app UI. Also, you can learn from previse articles part 1and part 2 here I create a UI for the jetpack compose App bar and Jetpack Compose a horizontal list to show the  Banner and category or product.

In this blog, I complete the screen full Ui And add the bestseller list at the bottom of the screen. Jetpack compose is the newest tool for Making UI in native android apps without XML. Let’s Follow the below code for making a grocery app UI in android.

Jetpack compose LazyRow horizontal list

Start your android studio and create a new project if you do not have any existing projects. If You have an exciting open it and also you can read Dashboard App Part 1 and Part 2 to understand more n these.

So In this Project, I Use an AppBar and Add a menu in the ToAppBar then I create a header Ui and add payment here. After the header, I add a promotion Banner  UI and the I Show a Category of product list this UI example I also share in Part1 and part2 in this I add a best seller product list.

Jetpack Compose Grocery App UI | Dashboard App Part 3

  • TopAppBar With Search view and Notification.
  • Header Section with Payout options
  • Promotional Banner List
  • Category
  • Best Sellers

 Step:-  Full Souce Code MainActivity.kt  

package com.codeplayon.jetpackdashboard
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.*
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.lazy.LazyRow
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.*
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.outlined.FavoriteBorder
import androidx.compose.material.icons.outlined.Notifications
import androidx.compose.material.icons.rounded.Search
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.painter.Painter
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.text.style.TextDecoration
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.codeplayon.jetpackdashboard.ui.theme.JetpackDashboardTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            MainTheme {
                HomeScreen()
            }
        }
    }
}

@Composable
fun MainTheme(content: @Composable () -> Unit) {
    JetpackDashboardTheme {
        Surface(color = MaterialTheme.colors.background) {
            content()
        }
    }
}


@Preview(showBackground = true)
@Composable
fun DefaultPreview() {
    MainTheme {
        HomeScreen()
    }
}

@Composable
fun HomeScreen() {
    Box(Modifier.verticalScroll(rememberScrollState())) {
        Image(
            modifier = Modifier
                .fillMaxWidth()
                .offset(0.dp, (-30).dp),
            painter = painterResource(id = R.drawable.bg_main),
            contentDescription = "Header Background",
            contentScale = ContentScale.FillWidth
        )
        Column {
            AppBar()
            Content()

        }
    }
}


@Composable
fun AppBar() {
    Row(
        Modifier
            .padding(16.dp)
            .height(48.dp),
        verticalAlignment = Alignment.CenterVertically,
        horizontalArrangement = Arrangement.SpaceAround
    ) {
        var text by remember { mutableStateOf("Search....") }
        TextField(
            value = text,
            onValueChange = {text = it},
//            label = { Text(text = "Search....", fontSize = 12.sp) },
            singleLine = true,
            leadingIcon = { Icon(imageVector = Icons.Rounded.Search, contentDescription = "Search") },
            colors = TextFieldDefaults.textFieldColors(
                backgroundColor = Color.White,
                focusedIndicatorColor = Color.Transparent,
                unfocusedIndicatorColor = Color.Transparent
            ),
            shape = RoundedCornerShape(8.dp),
            modifier = Modifier
                .weight(1f)
                .fillMaxHeight()
        )
        Spacer(modifier = Modifier.width(8.dp))
        IconButton(onClick = { }) {
            Icon(imageVector = Icons.Outlined.FavoriteBorder, contentDescription = "", tint = Color.White)
        }
        IconButton(onClick = {}) {
            Icon(imageVector = Icons.Outlined.Notifications, contentDescription = "", tint = Color.White)
        }

    }
}

@Composable
fun Content() {
    Column() {
        Header()
        Spacer(modifier = Modifier.height(16.dp))
        Promotions()
        Spacer(modifier = Modifier.height(16.dp))
        CategorySection()
        Spacer(modifier = Modifier.height(16.dp))
        BestSellerSection()
        Spacer(modifier = Modifier.height(16.dp))
    }
}

@Composable
fun Header() {
    Card(
        Modifier
            .height(64.dp)
            .padding(horizontal = 16.dp),
        elevation = 4.dp,
        shape = RoundedCornerShape(8.dp)
    ) {
        Row(
            Modifier.fillMaxSize(),
            verticalAlignment = Alignment.CenterVertically
        ) {
            QrButton()

            VerticalDivider()
            Row(Modifier
                .fillMaxHeight()
                .weight(1f)
                .clickable { }
                .padding(horizontal = 8.dp),
                verticalAlignment = Alignment.CenterVertically
            ) {
                Icon(painter = painterResource(id = R.drawable.ic_money), contentDescription = "", tint = Color(0xFF6FCF97))
                Column(Modifier.padding(8.dp)) {
                    Text(text = "$250", fontWeight = FontWeight.Bold, fontSize = 16.sp)
                    Text(text = "Top Up", color = MaterialTheme.colors.primary, fontSize = 12.sp)
                }
            }

            VerticalDivider()
            Row(Modifier
                .fillMaxHeight()
                .weight(1f)
                .clickable { }
                .padding(horizontal = 8.dp),
                verticalAlignment = Alignment.CenterVertically
            ) {
                Icon(painter = painterResource(id = R.drawable.ic_coin), contentDescription = "", tint = MaterialTheme.colors.primary)
                Column(Modifier.padding(8.dp)) {
                    Text(text = "$50", fontWeight = FontWeight.Bold, fontSize = 16.sp)
                    Text(text = "Points", color = Color.LightGray, fontSize = 12.sp)
                }
            }
        }
    }
}

@Composable
fun QrButton() {
    IconButton(
        onClick = {},
        modifier = Modifier
            .fillMaxHeight()
            .aspectRatio(1f)
    ) {
        Icon(
            painter = painterResource(id = R.drawable.ic_scan),
            contentDescription = "",
            modifier = Modifier
                .fillMaxSize()
                .padding(16.dp)
        )
    }
}

@Composable
fun VerticalDivider() {
    Divider(
        color = Color(0xFFF1F1F1),
        modifier = Modifier
            .width(1.dp)
            .height(32.dp)
    )
}

@Composable
fun Promotions() {
    LazyRow(
        Modifier.height(160.dp),
        contentPadding = PaddingValues(horizontal = 16.dp),
        horizontalArrangement = Arrangement.spacedBy(16.dp)
    ) {
        item {
            PromotionItem(
                imagePainter = painterResource(id = R.drawable.promotion),
                title = "Fruit",
                subtitle = "Start @",
                header = "$2",
                backgroundColor = MaterialTheme.colors.primary
            )
        }
        item {
            PromotionItem(
                imagePainter = painterResource(id = R.drawable.promotion),
                title = "Vegetables",
                subtitle = "Discount",
                header = "35%",
                backgroundColor = Color(0xffF2994A)
            )
        }
    }
}

@Composable
fun PromotionItem(
    title: String = "",
    subtitle: String = "",
    header: String = "",
    backgroundColor: Color = Color.Transparent,
    imagePainter: Painter
) {
    Card(
        Modifier.width(300.dp),
        shape = RoundedCornerShape(8.dp),
        backgroundColor = backgroundColor,
        elevation = 0.dp
    ) {
        Row {
            Column(
                Modifier
                    .padding(horizontal = 16.dp)
                    .fillMaxHeight(),
                verticalArrangement = Arrangement.Center
            ) {
                Text(text = title, fontSize = 14.sp, color = Color.White)
                Text(text = subtitle, fontSize = 16.sp, color = Color.White, fontWeight = FontWeight.Bold)
                Text(text = header, fontSize = 28.sp, color = Color.White, fontWeight = FontWeight.Bold)
            }
            Image(
                painter = imagePainter, contentDescription = "",
                modifier = Modifier
                    .fillMaxHeight()
                    .weight(1f),
                alignment = Alignment.CenterEnd,
                contentScale = ContentScale.Crop
            )
        }
    }
}

@Composable
fun CategorySection() {
    Column(Modifier.padding(horizontal = 16.dp)) {
        Row(
            Modifier.fillMaxWidth(),
            verticalAlignment = Alignment.CenterVertically,
            horizontalArrangement = Arrangement.SpaceBetween
        ) {
            Text(text = "Category", style = MaterialTheme.typography.h6)
            TextButton(onClick = {}) {
                Text(text = "More", color = MaterialTheme.colors.primary)
            }
        }

        Row(
            Modifier.fillMaxWidth(),
            horizontalArrangement = Arrangement.SpaceBetween
        ) {
            CategoryButton(
                text = "Dairy",
                icon = painterResource(id = R.drawable.ic_cheese),
                backgroundColor = Color(0xffFFFBF3)
            )

            CategoryButton(
                text = "Vegetables",
                icon = painterResource(id = R.drawable.ic_veg),
                backgroundColor = Color(0xffF6FBF3)
            )
            CategoryButton(
                text = "Fruits",
                icon = painterResource(id = R.drawable.ic_orange),
                backgroundColor = Color(0xffFEF4E7)
            )
            CategoryButton(
                text = "Meats",
                icon = painterResource(id = R.drawable.ic_meat),
                backgroundColor = Color(0xffF6E6E9)
            )
        }
    }
}
@Composable
fun CategoryButton(
    text: String = "",
    icon: Painter,
    backgroundColor: Color
) {
    Column(
        Modifier
            .width(72.dp)
            .clickable { }
    ) {
        Box(
            Modifier
                .size(72.dp)
                .background(
                    color = backgroundColor,
                    shape = RoundedCornerShape(12.dp)
                )
                .padding(18.dp)
        ) {
            Image(painter = icon, contentDescription = "", modifier = Modifier.fillMaxSize())
        }
        Text(text = text, modifier = Modifier.fillMaxWidth(), textAlign = TextAlign.Center, fontSize = 12.sp)
    }
}

@Composable
fun BestSellerSection() {
    Column() {
        Row(
            Modifier
                .fillMaxWidth()
                .padding(horizontal = 16.dp),
            verticalAlignment = Alignment.CenterVertically,
            horizontalArrangement = Arrangement.SpaceBetween
        ) {
            Text(text = "Best Sellers", style = MaterialTheme.typography.h6)
            TextButton(onClick = {}) {
                Text(text = "More", color = MaterialTheme.colors.primary)
            }
        }

        BestSellerItems()
    }
}

@Composable
fun BestSellerItems() {
    LazyRow(
        contentPadding = PaddingValues(horizontal = 16.dp),
        horizontalArrangement = Arrangement.spacedBy(16.dp)
    ) {
        item {
            BestSellerItem(
                imagePainter = painterResource(id = R.drawable.item_lettuce),
                title = "Iceberg Lettuce",
                price = "3.41",
                backgroundColor = Color(0xffF6FBF3),
                discountPercent = 10
            )
        }
        item {
            BestSellerItem(
                imagePainter = painterResource(id = R.drawable.item_apple),
                title = "Apple",
                price = "1.43",
                backgroundColor = Color(0xffFEF4E7),
                discountPercent = 5
            )
        }
        item {
            BestSellerItem(
                imagePainter = painterResource(id = R.drawable.item_meat),
                title = "Meat",
                price = "4.31",
                backgroundColor = Color(0xffF6E6E9),
                discountPercent = 20
            )
        }
    }
}

@Composable
fun BestSellerItem(
    title: String = "",
    price: String = "",
    discountPercent: Int = 0,
    imagePainter: Painter,
    backgroundColor: Color
) {
    Card(
        Modifier
            .width(130.dp)
    ) {
        Column(
            Modifier
                .background(
                    color = backgroundColor,
                    shape = RoundedCornerShape(0.dp)
                )
                .padding(bottom = 20.dp)

        ) {
            Image(
                painter = imagePainter, contentDescription = "",
                modifier = Modifier
                    .fillMaxWidth()
                    .aspectRatio(1f),
                contentScale = ContentScale.Fit
            )
            Column(
                Modifier
                    .fillMaxWidth()
                    .padding(horizontal = 8.dp)
            ) {
                Text(text = title, fontWeight = FontWeight.Bold)
                Row {
                    Text(
                        "$${price}",
                        textDecoration = if (discountPercent > 0)
                            TextDecoration.LineThrough
                        else
                            TextDecoration.None,
                        color = if (discountPercent > 0) Color.Gray else Color.Black
                    )
                    if (discountPercent > 0) {
                        Text(text = "[$discountPercent%]", color = MaterialTheme.colors.primary)
                    }
                }
            }
        }
    }
}

 

You can use this final code to make a  Grocery App UI using Jetpack Compose.  here is some of the image drawable file in missing you can see an error on this file you can set your icon here if you want the full file and source you can get it on Codeplayon GitHub account.

 

 

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