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BlakeBarrett/20-users-info-sample.json

Created August 21, 2023 00:42
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JSON USER DATA EXAMPLE: Fake Users JSON array generated by ChatGPT
Raw
20-users-info-sample.json
[
{
"id": 1,
"first_name": "Alice",
"last_name": "Smith",
"email": "alice@example.com",
"age": 28,
"last_login_date": "2023-08-09T10:30:00",
"friends_user_ids": [2, 3, 5, 7],
"favorite_animal": "Dog",
"least_favorite_smell": "Durian",
"hobbies": ["Painting", "Hiking"],
"birthplace": "Cityville",
"favorite_color": "Purple",
"unread_messages": 3,
"has_pets": true,
"shoe_size": 7.5,
"coffee_preference": "Black",
"dream_destination": "Bora Bora",
"music_genre": "Indie Rock",
"is_vegan": false,
"fitness_level": "Intermediate",
"lucky_number": 17
},
{
"id": 2,
"first_name": "Bob",
"last_name": "Johnson",
"email": "bob@example.com",
"age": 35,
"last_login_date": "2023-08-08T15:20:00",
"friends_user_ids": [1, 4, 8],
"favorite_animal": "Cat",
"least_favorite_smell": "Sulfur",
"hobbies": ["Reading", "Gardening"],
"birthplace": "Villageville",
"favorite_color": "Blue",
"unread_messages": 0,
"has_pets": true,
"shoe_size": 9.0,
"coffee_preference": "Latte",
"dream_destination": "Paris",
"music_genre": "Classical",
"is_vegan": true,
"fitness_level": "Beginner",
"lucky_number": 5
},
{
"id": 3,
"first_name": "Charlie",
"last_name": "Brown",
"email": "charlie@example.com",
"age": 22,
"last_login_date": "2023-08-09T08:45:00",
"friends_user_ids": [1, 5, 9],
"favorite_animal": "Elephant",
"least_favorite_smell": "Fish",
"hobbies": ["Cooking", "Playing Guitar"],
"birthplace": "Townsville",
"favorite_color": "Green",
"unread_messages": 10,
"has_pets": false,
"shoe_size": 8.5,
"coffee_preference": "Cappuccino",
"dream_destination": "Tokyo",
"music_genre": "Pop",
"is_vegan": false,
"fitness_level": "Advanced",
"lucky_number": 12
},
{
"id": 4,
"first_name": "David",
"last_name": "Lee",
"email": "david@example.com",
"age": 31,
"last_login_date": "2023-08-07T18:10:00",
"friends_user_ids": [2, 8, 10],
"favorite_animal": "Lion",
"least_favorite_smell": "Garlic",
"hobbies": ["Soccer", "Photography"],
"birthplace": "Countryville",
"favorite_color": "Yellow",
"unread_messages": 5,
"has_pets": true,
"shoe_size": 10.5,
"coffee_preference": "Espresso",
"dream_destination": "New York",
"music_genre": "Rock",
"is_vegan": false,
"fitness_level": "Intermediate",
"lucky_number": 9
},
{
"id": 5,
"first_name": "Eve",
"last_name": "Williams",
"email": "eve@example.com",
"age": 27,
"last_login_date": "2023-08-09T12:05:00",
"friends_user_ids": [1, 3, 9, 11],
"favorite_animal": "Dolphin",
"least_favorite_smell": "Onion",
"hobbies": ["Yoga", "Traveling"],
"birthplace": "Seaville",
"favorite_color": "Turquoise",
"unread_messages": 8,
"has_pets": true,
"shoe_size": 8.0,
"coffee_preference": "Mocha",
"dream_destination": "Maldives",
"music_genre": "Electronic",
"is_vegan": true,
"fitness_level": "Advanced",
"lucky_number": 3
},
{
"id": 6,
"first_name": "Frank",
"last_name": "Davis",
"email": "frank@example.com",
"age": 45,
"last_login_date": "2023-08-08T09:40:00",
"friends_user_ids": [12, 13, 14],
"favorite_animal": "Giraffe",
"least_favorite_smell": "Vinegar",
"hobbies": ["Golf", "Painting"],
"birthplace": "Mountainville",
"favorite_color": "Orange",
"unread_messages": 2,
"has_pets": false,
"shoe_size": 11.0,
"coffee_preference": "Americano",
"dream_destination": "Switzerland",
"music_genre": "Jazz",
"is_vegan": false,
"fitness_level": "Beginner",
"lucky_number": 8
},
{
"id": 7,
"first_name": "Grace",
"last_name": "Martinez",
"email": "grace@example.com",
"age": 29,
"last_login_date": "2023-08-09T16:15:00",
"friends_user_ids": [1, 15, 16],
"favorite_animal": "Penguin",
"least_favorite_smell": "Cabbage",
"hobbies": ["Singing", "Cooking"],
"birthplace": "Snowville",
"favorite_color": "White",
"unread_messages": 1,
"has_pets": true,
"shoe_size": 6.5,
"coffee_preference": "Latte",
"dream_destination": "Hawaii",
"music_genre": "Reggae",
"is_vegan": true,
"fitness_level": "Intermediate",
"lucky_number": 13
},
{
"id": 8,
"first_name": "Henry",
"last_name": "Taylor",
"email": "henry@example.com",
"age": 32,
"last_login_date": "2023-08-08T13:30:00",
"friends_user_ids": [2, 4, 9, 17],
"favorite_animal": "Tiger",
"least_favorite_smell": "Mold",
"hobbies": ["Running", "Chess"],
"birthplace": "Desertville",
"favorite_color": "Red",
"unread_messages": 12,
"has_pets": true,
"shoe_size": 10.0,
"coffee_preference": "Cappuccino",
"dream_destination": "Australia",
"music_genre": "Country",
"is_vegan": false,
"fitness_level": "Advanced",
"lucky_number": 21
},
{
"id": 9,
"first_name": "Ivy",
"last_name": "Anderson",
"email": "ivy@example.com",
"age": 24,
"last_login_date": "2023-08-09T07:55:00",
"friends_user_ids": [3, 5, 8, 18],
"favorite_animal": "Kangaroo",
"least_favorite_smell": "Smoked Fish",
"hobbies": ["Dancing", "Biking"],
"birthplace": "Jungleville",
"favorite_color": "Yellow",
"unread_messages": 6,
"has_pets": true,
"shoe_size": 8.0,
"coffee_preference": "Espresso",
"dream_destination": "Brazil",
"music_genre": "Hip Hop",
"is_vegan": true,
"fitness_level": "Beginner",
"lucky_number": 6
},
{
"id": 10,
"first_name": "Jack",
"last_name": "Moore",
"email": "jack@example.com",
"age": 30,
"last_login_date": "2023-08-07T21:20:00",
"friends_user_ids": [4, 7, 9, 19],
"favorite_animal": "Horse",
"least_favorite_smell": "Burnt Rubber",
"hobbies": ["Photography", "Travelling"],
"birthplace": "Farmville",
"favorite_color": "Brown",
"unread_messages": 9,
"has_pets": true,
"shoe_size": 10.5,
"coffee_preference": "Black",
"dream_destination": "New Zealand",
"music_genre": "Alternative",
"is_vegan": false,
"fitness_level": "Intermediate",
"lucky_number": 11
},
{
"id": 11,
"first_name": "Karen",
"last_name": "Jackson",
"email": "karen@example.com",
"age": 26,
"last_login_date": "2023-08-09T14:50:00",
"friends_user_ids": [5, 10, 20],
"favorite_animal": "Panda",
"least_favorite_smell": "Rotting Fruit",
"hobbies": ["Yoga", "Reading"],
"birthplace": "Cityville",
"favorite_color": "Pink",
"unread_messages": 4,
"has_pets": false,
"shoe_size": 7.0,
"coffee_preference": "Mocha",
"dream_destination": "Thailand",
"music_genre": "R&B",
"is_vegan": true,
"fitness_level": "Advanced",
"lucky_number": 15
},
{
"id": 12,
"first_name": "Liam",
"last_name": "Garcia",
"email": "liam@example.com",
"age": 21,
"last_login_date": "2023-08-08T08:00:00",
"friends_user_ids": [6, 13, 15],
"favorite_animal": "Sloth",
"least_favorite_smell": "Dirty Socks",
"hobbies": ["Gaming", "Cooking"],
"birthplace": "Villageville",
"favorite_color": "Black",
"unread_messages": 7,
"has_pets": true,
"shoe_size": 9.5,
"coffee_preference": "Latte",
"dream_destination": "Greece",
"music_genre": "Metal",
"is_vegan": false,
"fitness_level": "Beginner",
"lucky_number": 14
},
{
"id": 13,
"first_name": "Mia",
"last_name": "Rodriguez",
"email": "mia@example.com",
"age": 33,
"last_login_date": "2023-08-09T11:40:00",
"friends_user_ids": [6, 12, 14, 16],
"favorite_animal": "Owl",
"least_favorite_smell": "Stale Beer",
"hobbies": ["Singing", "Painting"],
"birthplace": "Countryville",
"favorite_color": "Blue",
"unread_messages": 5,
"has_pets": true,
"shoe_size": 8.5,
"coffee_preference": "Cappuccino",
"dream_destination": "Italy",
"music_genre": "Pop",
"is_vegan": true,
"fitness_level": "Intermediate",
"lucky_number": 8
},
{
"id": 14,
"first_name": "Noah",
"last_name": "Martinez",
"email": "noah@example.com",
"age": 40,
"last_login_date": "2023-08-08T17:55:00",
"friends_user_ids": [6, 13, 15],
"favorite_animal": "Wolf",
"least_favorite_smell": "Mothballs",
"hobbies": ["Running", "Cooking"],
"birthplace": "Cityville",
"favorite_color": "Green",
"unread_messages": 2,
"has_pets": false,
"shoe_size": 10.0,
"coffee_preference": "Espresso",
"dream_destination": "Australia",
"music_genre": "Rock",
"is_vegan": false,
"fitness_level": "Advanced",
"lucky_number": 19
},
{
"id": 15,
"first_name": "Olivia",
"last_name": "Thompson",
"email": "olivia@example.com",
"age": 29,
"last_login_date": "2023-08-09T10:15:00",
"friends_user_ids": [7, 13, 14, 17],
"favorite_animal": "Duck",
"least_favorite_smell": "Wet Dog",
"hobbies": ["Soccer", "Gardening"],
"birthplace": "Townsville",
"favorite_color": "Red",
"unread_messages": 1,
"has_pets": true,
"shoe_size": 7.0,
"coffee_preference": "Black",
"dream_destination": "Japan",
"music_genre": "Electronic",
"is_vegan": true,
"fitness_level": "Intermediate",
"lucky_number": 10
},
{
"id": 16,
"first_name": "Peter",
"last_name": "Wright",
"email": "peter@example.com",
"age": 37,
"last_login_date": "2023-08-08T12:30:00",
"friends_user_ids": [6, 15, 18],
"favorite_animal": "Bear",
"least_favorite_smell": "Gasoline",
"hobbies": ["Reading", "Biking"],
"birthplace": "Seaville",
"favorite_color": "Blue",
"unread_messages": 0,
"has_pets": false,
"shoe_size": 9.5,
"coffee_preference": "Mocha",
"dream_destination": "New Zealand",
"music_genre": "Indie Rock",
"is_vegan": false,
"fitness_level": "Advanced",
"lucky_number": 7
},
{
"id": 17,
"first_name": "Quinn",
"last_name": "Hernandez",
"email": "quinn@example.com",
"age": 25,
"last_login_date": "2023-08-09T09:05:00",
"friends_user_ids": [8, 16, 19],
"favorite_animal": "Fox",
"least_favorite_smell": "Wet Carpet",
"hobbies": ["Painting", "Singing"],
"birthplace": "Mountainville",
"favorite_color": "Orange",
"unread_messages": 4,
"has_pets": true,
"shoe_size": 8.0,
"coffee_preference": "Latte",
"dream_destination": "Greece",
"music_genre": "Pop",
"is_vegan": true,
"fitness_level": "Beginner",
"lucky_number": 22
},
{
"id": 18,
"first_name": "Ryan",
"last_name": "Adams",
"email": "ryan@example.com",
"age": 32,
"last_login_date": "2023-08-08T14:25:00",
"friends_user_ids": [9, 15, 20],
"favorite_animal": "Gorilla",
"least_favorite_smell": "Burnt Popcorn",
"hobbies": ["Gaming", "Hiking"],
"birthplace": "Villageville",
"favorite_color": "Green",
"unread_messages": 6,
"has_pets": true,
"shoe_size": 10.5,
"coffee_preference": "Black",
"dream_destination": "Hawaii",
"music_genre": "Electronic",
"is_vegan": false,
"fitness_level": "Intermediate",
"lucky_number": 18
},
{
"id": 19,
"first_name": "Sophia",
"last_name": "Gonzalez",
"email": "sophia@example.com",
"age": 28,
"last_login_date": "2023-08-09T13:00:00",
"friends_user_ids": [10, 17, 20],
"favorite_animal": "Llama",
"least_favorite_smell": "Public Restrooms",
"hobbies": ["Reading", "Dancing"],
"birthplace": "Cityville",
"favorite_color": "Purple",
"unread_messages": 2,
"has_pets": true,
"shoe_size": 8.0,
"coffee_preference": "Latte",
"dream_destination": "Paris",
"music_genre": "Pop",
"is_vegan": true,
"fitness_level": "Advanced",
"lucky_number": 4
},
{
"id": 20,
"first_name": "Thomas",
"last_name": "Walker",
"email": "thomas@example.com",
"age": 30,
"last_login_date": "2023-08-08T19:45:00",
"friends_user_ids": [11, 19],
"favorite_animal": "Monkey",
"least_favorite_smell": "Sewage",
"hobbies": ["Cooking", "Traveling"],
"birthplace": "Townsville",
"favorite_color": "Blue",
"unread_messages": 7,
"has_pets": false,
"shoe_size": 9.5,
"coffee_preference": "Cappuccino",
"dream_destination": "Maldives",
"music_genre": "Rock",
"is_vegan": false,
"fitness_level": "Intermediate",
"lucky_number": 16
}
]
@BlakeBarrett
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BlakeBarrett commented Aug 25, 2023 •
edited

UserProfile.kt

package com.blakebarrett.myapplication

import androidx.compose.foundation.background
import androidx.compose.foundation.clickable
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.wrapContentWidth
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.material3.Card
import androidx.compose.material3.CardDefaults
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.lifecycle.ViewModel
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import androidx.lifecycle.viewmodel.compose.viewModel
import androidx.navigation.NavHostController
import androidx.navigation.NavType
import androidx.navigation.compose.NavHost
import androidx.navigation.compose.composable
import androidx.navigation.compose.rememberNavController
import androidx.navigation.navArgument
import com.blakebarrett.myapplication.ui.theme.DIALTheme
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.update
import kotlinx.serialization.Serializable
import kotlinx.serialization.json.Json

@Preview(showBackground = true)
@Composable
fun UserProfileScreenPreview() {
    DIALTheme {
        InitAppWithNavigation()
    }
}

@Composable
fun UserProfileApp() {
    DIALTheme {
        InitAppWithNavigation()
    }
}

object Routes {
    const val FRIENDS_LIST = "friendsList"
    private const val PROFILE = "profile"
    fun profile(userId: Int) = "$PROFILE/$userId"
}

@Composable
fun InitAppWithNavigation() {
    val navController = rememberNavController()
    NavHost(
        navController = navController,
        startDestination = Routes.FRIENDS_LIST
    ) {
        composable(
            "profile/{userId}",
            arguments = listOf(navArgument("userId") { type = NavType.IntType })
        ) { backStackEntry ->
            val userId = backStackEntry.arguments?.getInt("userId")
            userId?.let {
                Scaffold(
                    bottomBar = {
                        Row(
                            modifier = Modifier
                                .fillMaxWidth()
                                .height(56.dp)
                                .background(Color.Magenta),
                            verticalAlignment = Alignment.CenterVertically,
                            horizontalArrangement = Arrangement.SpaceEvenly
                        ) {
                            Text(
                                text = "All Users",
                                modifier = Modifier
                                    .weight(1f)
                                    .clickable {
                                        navController.navigate(Routes.FRIENDS_LIST)
                                    }
                                    .padding(16.dp),
                                fontStyle = MaterialTheme.typography.bodyMedium.fontStyle
                            )
                            Text(
                                text = "Back",
                                modifier = Modifier
                                    .weight(1f)
                                    .clickable {
                                        navController.popBackStack()
                                    }
                                    .padding(16.dp),
                                fontStyle = MaterialTheme.typography.bodyMedium.fontStyle
                            )
                        }
                    }
                ) { padding ->
                    UserProfileScreen(
                        modifier = Modifier.padding(padding),
                        userId = userId,
                        navigateToUserId = { friendId ->
                            navController.navigate(Routes.profile(friendId))
                        }
                    )
                }
            }
        }
        composable(Routes.FRIENDS_LIST) {
            LazyColumn (
                modifier = Modifier
                    .fillMaxSize()
                    .padding(16.dp)
            ) {
                val allUsers = User.parse(data)
                items(allUsers.count()) {index ->
                    val user = allUsers[index]
                    Box(
                        modifier = Modifier
                            .fillMaxWidth()
                            .background(Color.LightGray, MaterialTheme.shapes.medium)
                            .clickable {
                                navController.navigate(Routes.profile(user.id))
                            }
                            .padding(16.dp)
                    ) {
                        Text("${user.first_name}  ${user.last_name}")
                    }
                }
            }
        }
    }
}

@Composable
fun UserProfileScreen(modifier: Modifier = Modifier,
                      userId: Int,
                      navigateToUserId: (userId: Int) -> Unit = { _ -> }) {
    val model = viewModel<UserViewModelLocator>()
    model.updateUiStateWithUserViewModel(userId)
    model.uiState.collectAsStateWithLifecycle().let { user ->
        Column(
            modifier = modifier
        ) {
            Text(
                text = "User Profile",
                style = MaterialTheme.typography.headlineSmall
            )
            Spacer(modifier = Modifier.height(16.dp))
            user.value?.let {
                UserDetailCard(it, navigateToUserId)
            }
            Spacer(modifier = Modifier.height(16.dp))
        }
    } ?: run {
        Text(
            text = "User not found",
            style = MaterialTheme.typography.headlineMedium
        )
    }
}

@Composable
fun UserDetailCard(
    user: UserViewModelUiState,
    friendClick: (Int) -> Unit = { _ -> }
) {
    Card(
        modifier = Modifier.fillMaxWidth(),
        elevation = CardDefaults.cardElevation(
            defaultElevation = 10.dp
        )
    ) {
        Column(
            modifier = Modifier.padding(16.dp)
        ) {
            Text(
                text = "${user.first_name} ${user.last_name}",
                style = MaterialTheme.typography.headlineMedium
            )
            Spacer(modifier = Modifier.height(8.dp))
            Text(
                text = "Age: ${user.age}",
                style = MaterialTheme.typography.bodyMedium
            )
            Spacer(modifier = Modifier.height(8.dp))
            Text(
                text = "Email: ${user.email}",
                style = MaterialTheme.typography.bodySmall
            )
            Spacer(modifier = Modifier.height(8.dp))
            Text(
                text = "Favorite Animal: ${user.favorite_animal}",
                style = MaterialTheme.typography.bodySmall
            )
            Spacer(modifier = Modifier.height(8.dp))
            UserFriendsList(
                user.friends_user_ids,
                onFriendClicked = friendClick
            )
            Spacer(modifier = Modifier.height(8.dp))
            UserHobbies(user.hobbies)
        }
    }
}

@Composable
fun UserHobbies(hobbies: List<String>) {
    Column {
        Text(
            text = "Hobbies",
            style = MaterialTheme.typography.labelSmall
        )
        Spacer(modifier = Modifier.height(8.dp))
        Column {
            hobbies.forEach { hobby ->
                Text(
                    text = "- $hobby",
                    style = MaterialTheme.typography.bodyMedium
                )
            }
        }
    }
}

@Composable
fun UserFriendsList(
    friends_user_ids: List<Int>,
    onFriendClicked: (Int) -> Unit = {}
) {
    Column {
        Text(
            text = "Friends",
            style = MaterialTheme.typography.labelSmall
        )
        Spacer(modifier = Modifier.height(8.dp))
        Column {
            friends_user_ids.forEach { friendId ->
                viewModel<UserViewModelLocator>()
                    .getUserById(friendId)?.let { user ->
                    Text(
                        text = "- ${user.first_name} ${user.last_name}",
                        style = MaterialTheme.typography.bodyMedium,
                        modifier = Modifier.clickable {
                            onFriendClicked(friendId)
                        }
                    )
                }
            }
        }
    }
}

data class UserViewModelUiState(
    val first_name: String,
    val last_name: String,
    val age: Int,
    val email: String,
    val favorite_animal: String,
    val hobbies: List<String>,
    val friends_user_ids: List<Int>
)

class UserViewModelLocator : ViewModel() {
    private val _allUsers: List<User> = User.parse(data)
    private val _uiState = MutableStateFlow<UserViewModelUiState?>(null)
    val uiState: StateFlow<UserViewModelUiState?> = _uiState.asStateFlow()

    fun getUserById(userId: Int): UserViewModelUiState? {
        return _allUsers.find { it.id == userId }?.let { user ->
            UserViewModelUiState(
                first_name = user.first_name,
                last_name = user.last_name,
                age = user.age,
                email = user.email,
                favorite_animal = user.favorite_animal,
                hobbies = user.hobbies,
                friends_user_ids = user.friends_user_ids
            )
        }
    }

    fun updateUiStateWithUserViewModel(userId: Int) {
        getUserById(userId)?.let { user ->
            _uiState.update {
                it?.copy(
                    first_name = user.first_name,
                    last_name = user.last_name,
                    age = user.age,
                    email = user.email,
                    favorite_animal = user.favorite_animal,
                    hobbies = user.hobbies,
                    friends_user_ids = user.friends_user_ids
                ) ?: run {
                    UserViewModelUiState(
                        first_name = user.first_name,
                        last_name = user.last_name,
                        age = user.age,
                        email = user.email,
                        favorite_animal = user.favorite_animal,
                        hobbies = user.hobbies,
                        friends_user_ids = user.friends_user_ids
                    )
                }
            }
        }
    }
}

@Serializable
data class User(
    val id: Int,
    val first_name: String,
    val last_name: String,
    val email: String,
    val age: Int,
    val last_login_date: String,
    val friends_user_ids: List<Int>,
    val favorite_animal: String,
    val least_favorite_smell: String,
    val hobbies: List<String>,
    val birthplace: String,
    val favorite_color: String,
    val unread_messages: Int,
    val has_pets: Boolean,
    val shoe_size: Double,
    val coffee_preference: String,
    val dream_destination: String,
    val music_genre: String,
    val is_vegan: Boolean,
    val fitness_level: String,
    val lucky_number: Int
) {
    companion object {
        fun parse(source: String): List<User> {
            return Json.decodeFromString(source)
        }
    }
}

const val data = """
[
    {
        "id": 1,
        "first_name": "Alice",
        "last_name": "Smith",
        "email": "alice@example.com",
        "age": 28,
        "last_login_date": "2023-08-09T10:30:00",
        "friends_user_ids": [2, 3, 5, 7],
        "favorite_animal": "Dog",
        "least_favorite_smell": "Durian",
        "hobbies": ["Painting", "Hiking"],
        "birthplace": "Cityville",
        "favorite_color": "Purple",
        "unread_messages": 3,
        "has_pets": true,
        "shoe_size": 7.5,
        "coffee_preference": "Black",
        "dream_destination": "Bora Bora",
        "music_genre": "Indie Rock",
        "is_vegan": false,
        "fitness_level": "Intermediate",
        "lucky_number": 17
    },
    {
        "id": 2,
        "first_name": "Bob",
        "last_name": "Johnson",
        "email": "bob@example.com",
        "age": 35,
        "last_login_date": "2023-08-08T15:20:00",
        "friends_user_ids": [1, 4, 8],
        "favorite_animal": "Cat",
        "least_favorite_smell": "Sulfur",
        "hobbies": ["Reading", "Gardening"],
        "birthplace": "Villageville",
        "favorite_color": "Blue",
        "unread_messages": 0,
        "has_pets": true,
        "shoe_size": 9.0,
        "coffee_preference": "Latte",
        "dream_destination": "Paris",
        "music_genre": "Classical",
        "is_vegan": true,
        "fitness_level": "Beginner",
        "lucky_number": 5
    },
    {
        "id": 3,
        "first_name": "Charlie",
        "last_name": "Brown",
        "email": "charlie@example.com",
        "age": 22,
        "last_login_date": "2023-08-09T08:45:00",
        "friends_user_ids": [1, 5, 9],
        "favorite_animal": "Elephant",
        "least_favorite_smell": "Fish",
        "hobbies": ["Cooking", "Playing Guitar"],
        "birthplace": "Townsville",
        "favorite_color": "Green",
        "unread_messages": 10,
        "has_pets": false,
        "shoe_size": 8.5,
        "coffee_preference": "Cappuccino",
        "dream_destination": "Tokyo",
        "music_genre": "Pop",
        "is_vegan": false,
        "fitness_level": "Advanced",
        "lucky_number": 12
    },
    {
        "id": 4,
        "first_name": "David",
        "last_name": "Lee",
        "email": "david@example.com",
        "age": 31,
        "last_login_date": "2023-08-07T18:10:00",
        "friends_user_ids": [2, 8, 10],
        "favorite_animal": "Lion",
        "least_favorite_smell": "Garlic",
        "hobbies": ["Soccer", "Photography"],
        "birthplace": "Countryville",
        "favorite_color": "Yellow",
        "unread_messages": 5,
        "has_pets": true,
        "shoe_size": 10.5,
        "coffee_preference": "Espresso",
        "dream_destination": "New York",
        "music_genre": "Rock",
        "is_vegan": false,
        "fitness_level": "Intermediate",
        "lucky_number": 9
    },
    {
        "id": 5,
        "first_name": "Eve",
        "last_name": "Williams",
        "email": "eve@example.com",
        "age": 27,
        "last_login_date": "2023-08-09T12:05:00",
        "friends_user_ids": [1, 3, 9, 11],
        "favorite_animal": "Dolphin",
        "least_favorite_smell": "Onion",
        "hobbies": ["Yoga", "Traveling"],
        "birthplace": "Seaville",
        "favorite_color": "Turquoise",
        "unread_messages": 8,
        "has_pets": true,
        "shoe_size": 8.0,
        "coffee_preference": "Mocha",
        "dream_destination": "Maldives",
        "music_genre": "Electronic",
        "is_vegan": true,
        "fitness_level": "Advanced",
        "lucky_number": 3
    },
    {
        "id": 6,
        "first_name": "Frank",
        "last_name": "Davis",
        "email": "frank@example.com",
        "age": 45,
        "last_login_date": "2023-08-08T09:40:00",
        "friends_user_ids": [12, 13, 14],
        "favorite_animal": "Giraffe",
        "least_favorite_smell": "Vinegar",
        "hobbies": ["Golf", "Painting"],
        "birthplace": "Mountainville",
        "favorite_color": "Orange",
        "unread_messages": 2,
        "has_pets": false,
        "shoe_size": 11.0,
        "coffee_preference": "Americano",
        "dream_destination": "Switzerland",
        "music_genre": "Jazz",
        "is_vegan": false,
        "fitness_level": "Beginner",
        "lucky_number": 8
    },
    {
        "id": 7,
        "first_name": "Grace",
        "last_name": "Martinez",
        "email": "grace@example.com",
        "age": 29,
        "last_login_date": "2023-08-09T16:15:00",
        "friends_user_ids": [1, 15, 16],
        "favorite_animal": "Penguin",
        "least_favorite_smell": "Cabbage",
        "hobbies": ["Singing", "Cooking"],
        "birthplace": "Snowville",
        "favorite_color": "White",
        "unread_messages": 1,
        "has_pets": true,
        "shoe_size": 6.5,
        "coffee_preference": "Latte",
        "dream_destination": "Hawaii",
        "music_genre": "Reggae",
        "is_vegan": true,
        "fitness_level": "Intermediate",
        "lucky_number": 13
    },
    {
        "id": 8,
        "first_name": "Henry",
        "last_name": "Taylor",
        "email": "henry@example.com",
        "age": 32,
        "last_login_date": "2023-08-08T13:30:00",
        "friends_user_ids": [2, 4, 9, 17],
        "favorite_animal": "Tiger",
        "least_favorite_smell": "Mold",
        "hobbies": ["Running", "Chess"],
        "birthplace": "Desertville",
        "favorite_color": "Red",
        "unread_messages": 12,
        "has_pets": true,
        "shoe_size": 10.0,
        "coffee_preference": "Cappuccino",
        "dream_destination": "Australia",
        "music_genre": "Country",
        "is_vegan": false,
        "fitness_level": "Advanced",
        "lucky_number": 21
    },
    {
        "id": 9,
        "first_name": "Ivy",
        "last_name": "Anderson",
        "email": "ivy@example.com",
        "age": 24,
        "last_login_date": "2023-08-09T07:55:00",
        "friends_user_ids": [3, 5, 8, 18],
        "favorite_animal": "Kangaroo",
        "least_favorite_smell": "Smoked Fish",
        "hobbies": ["Dancing", "Biking"],
        "birthplace": "Jungleville",
        "favorite_color": "Yellow",
        "unread_messages": 6,
        "has_pets": true,
        "shoe_size": 8.0,
        "coffee_preference": "Espresso",
        "dream_destination": "Brazil",
        "music_genre": "Hip Hop",
        "is_vegan": true,
        "fitness_level": "Beginner",
        "lucky_number": 6
    },
    {
        "id": 10,
        "first_name": "Jack",
        "last_name": "Moore",
        "email": "jack@example.com",
        "age": 30,
        "last_login_date": "2023-08-07T21:20:00",
        "friends_user_ids": [4, 7, 9, 19],
        "favorite_animal": "Horse",
        "least_favorite_smell": "Burnt Rubber",
        "hobbies": ["Photography", "Travelling"],
        "birthplace": "Farmville",
        "favorite_color": "Brown",
        "unread_messages": 9,
        "has_pets": true,
        "shoe_size": 10.5,
        "coffee_preference": "Black",
        "dream_destination": "New Zealand",
        "music_genre": "Alternative",
        "is_vegan": false,
        "fitness_level": "Intermediate",
        "lucky_number": 11
    },
    {
        "id": 11,
        "first_name": "Karen",
        "last_name": "Jackson",
        "email": "karen@example.com",
        "age": 26,
        "last_login_date": "2023-08-09T14:50:00",
        "friends_user_ids": [5, 10, 20],
        "favorite_animal": "Panda",
        "least_favorite_smell": "Rotting Fruit",
        "hobbies": ["Yoga", "Reading"],
        "birthplace": "Cityville",
        "favorite_color": "Pink",
        "unread_messages": 4,
        "has_pets": false,
        "shoe_size": 7.0,
        "coffee_preference": "Mocha",
        "dream_destination": "Thailand",
        "music_genre": "R&B",
        "is_vegan": true,
        "fitness_level": "Advanced",
        "lucky_number": 15
    },
    {
        "id": 12,
        "first_name": "Liam",
        "last_name": "Garcia",
        "email": "liam@example.com",
        "age": 21,
        "last_login_date": "2023-08-08T08:00:00",
        "friends_user_ids": [6, 13, 15],
        "favorite_animal": "Sloth",
        "least_favorite_smell": "Dirty Socks",
        "hobbies": ["Gaming", "Cooking"],
        "birthplace": "Villageville",
        "favorite_color": "Black",
        "unread_messages": 7,
        "has_pets": true,
        "shoe_size": 9.5,
        "coffee_preference": "Latte",
        "dream_destination": "Greece",
        "music_genre": "Metal",
        "is_vegan": false,
        "fitness_level": "Beginner",
        "lucky_number": 14
    },
    {
        "id": 13,
        "first_name": "Mia",
        "last_name": "Rodriguez",
        "email": "mia@example.com",
        "age": 33,
        "last_login_date": "2023-08-09T11:40:00",
        "friends_user_ids": [6, 12, 14, 16],
        "favorite_animal": "Owl",
        "least_favorite_smell": "Stale Beer",
        "hobbies": ["Singing", "Painting"],
        "birthplace": "Countryville",
        "favorite_color": "Blue",
        "unread_messages": 5,
        "has_pets": true,
        "shoe_size": 8.5,
        "coffee_preference": "Cappuccino",
        "dream_destination": "Italy",
        "music_genre": "Pop",
        "is_vegan": true,
        "fitness_level": "Intermediate",
        "lucky_number": 8
    },
    {
        "id": 14,
        "first_name": "Noah",
        "last_name": "Martinez",
        "email": "noah@example.com",
        "age": 40,
        "last_login_date": "2023-08-08T17:55:00",
        "friends_user_ids": [6, 13, 15],
        "favorite_animal": "Wolf",
        "least_favorite_smell": "Mothballs",
        "hobbies": ["Running", "Cooking"],
        "birthplace": "Cityville",
        "favorite_color": "Green",
        "unread_messages": 2,
        "has_pets": false,
        "shoe_size": 10.0,
        "coffee_preference": "Espresso",
        "dream_destination": "Australia",
        "music_genre": "Rock",
        "is_vegan": false,
        "fitness_level": "Advanced",
        "lucky_number": 19
    },
    {
        "id": 15,
        "first_name": "Olivia",
        "last_name": "Thompson",
        "email": "olivia@example.com",
        "age": 29,
        "last_login_date": "2023-08-09T10:15:00",
        "friends_user_ids": [7, 13, 14, 17],
        "favorite_animal": "Duck",
        "least_favorite_smell": "Wet Dog",
        "hobbies": ["Soccer", "Gardening"],
        "birthplace": "Townsville",
        "favorite_color": "Red",
        "unread_messages": 1,
        "has_pets": true,
        "shoe_size": 7.0,
        "coffee_preference": "Black",
        "dream_destination": "Japan",
        "music_genre": "Electronic",
        "is_vegan": true,
        "fitness_level": "Intermediate",
        "lucky_number": 10
    },
    {
        "id": 16,
        "first_name": "Peter",
        "last_name": "Wright",
        "email": "peter@example.com",
        "age": 37,
        "last_login_date": "2023-08-08T12:30:00",
        "friends_user_ids": [6, 15, 18],
        "favorite_animal": "Bear",
        "least_favorite_smell": "Gasoline",
        "hobbies": ["Reading", "Biking"],
        "birthplace": "Seaville",
        "favorite_color": "Blue",
        "unread_messages": 0,
        "has_pets": false,
        "shoe_size": 9.5,
        "coffee_preference": "Mocha",
        "dream_destination": "New Zealand",
        "music_genre": "Indie Rock",
        "is_vegan": false,
        "fitness_level": "Advanced",
        "lucky_number": 7
    },
    {
        "id": 17,
        "first_name": "Quinn",
        "last_name": "Hernandez",
        "email": "quinn@example.com",
        "age": 25,
        "last_login_date": "2023-08-09T09:05:00",
        "friends_user_ids": [8, 16, 19],
        "favorite_animal": "Fox",
        "least_favorite_smell": "Wet Carpet",
        "hobbies": ["Painting", "Singing"],
        "birthplace": "Mountainville",
        "favorite_color": "Orange",
        "unread_messages": 4,
        "has_pets": true,
        "shoe_size": 8.0,
        "coffee_preference": "Latte",
        "dream_destination": "Greece",
        "music_genre": "Pop",
        "is_vegan": true,
        "fitness_level": "Beginner",
        "lucky_number": 22
    },
    {
        "id": 18,
        "first_name": "Ryan",
        "last_name": "Adams",
        "email": "ryan@example.com",
        "age": 32,
        "last_login_date": "2023-08-08T14:25:00",
        "friends_user_ids": [9, 15, 20],
        "favorite_animal": "Gorilla",
        "least_favorite_smell": "Burnt Popcorn",
        "hobbies": ["Gaming", "Hiking"],
        "birthplace": "Villageville",
        "favorite_color": "Green",
        "unread_messages": 6,
        "has_pets": true,
        "shoe_size": 10.5,
        "coffee_preference": "Black",
        "dream_destination": "Hawaii",
        "music_genre": "Electronic",
        "is_vegan": false,
        "fitness_level": "Intermediate",
        "lucky_number": 18
    },
    {
        "id": 19,
        "first_name": "Sophia",
        "last_name": "Gonzalez",
        "email": "sophia@example.com",
        "age": 28,
        "last_login_date": "2023-08-09T13:00:00",
        "friends_user_ids": [10, 17, 20],
        "favorite_animal": "Llama",
        "least_favorite_smell": "Public Restrooms",
        "hobbies": ["Reading", "Dancing"],
        "birthplace": "Cityville",
        "favorite_color": "Purple",
        "unread_messages": 2,
        "has_pets": true,
        "shoe_size": 8.0,
        "coffee_preference": "Latte",
        "dream_destination": "Paris",
        "music_genre": "Pop",
        "is_vegan": true,
        "fitness_level": "Advanced",
        "lucky_number": 4
    },
    {
        "id": 20,
        "first_name": "Thomas",
        "last_name": "Walker",
        "email": "thomas@example.com",
        "age": 30,
        "last_login_date": "2023-08-08T19:45:00",
        "friends_user_ids": [11, 19],
        "favorite_animal": "Monkey",
        "least_favorite_smell": "Sewage",
        "hobbies": ["Cooking", "Traveling"],
        "birthplace": "Townsville",
        "favorite_color": "Blue",
        "unread_messages": 7,
        "has_pets": false,
        "shoe_size": 9.5,
        "coffee_preference": "Cappuccino",
        "dream_destination": "Maldives",
        "music_genre": "Rock",
        "is_vegan": false,
        "fitness_level": "Intermediate",
        "lucky_number": 16
    }
]
"""

@BlakeBarrett
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Author

MyComposableUnitTest.kt

import androidx.compose.material3.Text
import androidx.compose.ui.test.junit4.createComposeRule
import androidx.compose.ui.test.onNodeWithText
import org.junit.Rule
import org.junit.Test

class MyComposableTest {

    @get:Rule
    val composeTestRule = createComposeRule()

    @Test
    fun testMyComposable() {
        composeTestRule.setContent {
            // Call your Composable function here
            Text("Hello, World!")
        }

        // Use onNodeWithText or other assertions if needed
        composeTestRule.onNodeWithText("Hello, World!").assertExists()
    }
}

@BlakeBarrett
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Author

https://developer.android.com/jetpack/compose/testing

@BlakeBarrett
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https://developer.android.com/jetpack/compose/testing-cheatsheet

@BlakeBarrett
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build.gradle

plugins {
    id("com.android.application")
    id("org.jetbrains.kotlin.android")
    kotlin("plugin.serialization") version "1.8.10"
}

android {
    namespace = "com.blakebarrett.myapplication"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.blakebarrett.myapplication"
        minSdk = 24
        targetSdk = 34
        versionCode = 1
        versionName = "1.0"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables {
            useSupportLibrary = true
        }
    }

    buildTypes {
        release {
            isMinifyEnabled = false
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = "1.8"
    }
    buildFeatures {
        compose = true
    }
    composeOptions {
        kotlinCompilerExtensionVersion = "1.4.3"
    }
    packaging {
        resources {
            excludes += "/META-INF/{AL2.0,LGPL2.1}"
        }
    }
}

dependencies {

    val lifecycle_version = "2.6.1"
    val compose_version = "1.5.0"

    implementation("androidx.core:core-ktx:1.10.1")
    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")
    implementation("androidx.activity:activity-compose:1.7.2")
    implementation(platform("androidx.compose:compose-bom:2023.08.00"))
    implementation("androidx.compose.ui:ui")
    implementation("androidx.compose.ui:ui-graphics")
    implementation("androidx.compose.ui:ui-tooling-preview")
    implementation("androidx.compose.material3:material3:1.1.1")
    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.5")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
    androidTestImplementation(platform("androidx.compose:compose-bom:2023.08.00"))
    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
    debugImplementation("androidx.compose.ui:ui-tooling")
    debugImplementation("androidx.compose.ui:ui-test-manifest:1.5.0")
    // Kotlin serialization
    implementation("org.jetbrains.kotlin:kotlin-serialization-compiler-plugin-embeddable:1.9.0")
    implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:1.5.1")
    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.1")

    // ViewModel
    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version")
    // ViewModel utilities for Compose
    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:$lifecycle_version")
    // LiveData
    implementation("androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version")
    // Lifecycles only (without ViewModel or LiveData)
    implementation("androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version")
    // Lifecycle utilities for Compose
    implementation("androidx.lifecycle:lifecycle-runtime-compose:$lifecycle_version")
    // Saved state module for ViewModel
    implementation("androidx.lifecycle:lifecycle-viewmodel-savedstate:$lifecycle_version")

    implementation("androidx.compose.runtime:runtime:$compose_version")
    implementation("androidx.compose.runtime:runtime-livedata:$compose_version")
    // Test rules and transitive dependencies:
    testImplementation("androidx.compose.ui:ui-test-junit4:$compose_version")
    // Needed for createAndroidComposeRule, but not createComposeRule:
    testImplementation("androidx.compose.ui:ui-test-manifest:$compose_version")

    // Test rules and transitive dependencies:
    androidTestImplementation("androidx.compose.ui:ui-test-junit4:$compose_version")
    // Needed for createAndroidComposeRule, but not createComposeRule:
    debugImplementation("androidx.compose.ui:ui-test-manifest:$compose_version")

    implementation("androidx.lifecycle:lifecycle-runtime-compose:2.6.1")

    // or Material Design 2
    implementation("androidx.compose.material:material")
    // or skip Material Design and build directly on top of foundational components
    implementation("androidx.compose.foundation:foundation")

    val nav_version = "2.7.1"
    implementation("androidx.navigation:navigation-compose:$nav_version")
}

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