Kotlin/Compose Multiplatform samples I've been working on over the last 5+ years to provide a guided tour of a number of the libraries/patterns used within them.
val people: List<Assignment>) @Serializable data class IssResponse(val message: String, val iss_position: IssPosition, val timestamp: Long) class PeopleInSpaceApi(val client: HttpClient, val baseUrl) { suspend fun fetchPeople() = client.get(“$baseUrl/astros.json").body<AstroResult>() suspend fun fetchISSPosition() = client.get(“$baseUrl/iss-now.json").body<IssResponse>() } Ktor PeopleInSpace
val people: List<Assignment>) @Serializable data class IssResponse(val message: String, val iss_position: IssPosition, val timestamp: Long) class PeopleInSpaceApi(val client: HttpClient, val baseUrl) { suspend fun fetchPeople() = client.get(“$baseUrl/astros.json").body<AstroResult>() suspend fun fetchISSPosition() = client.get(“$baseUrl/iss-now.json").body<IssResponse>() } Ktor PeopleInSpace
craft TEXT NOT NULL, personImageUrl TEXT, personBio TEXT ); insertItem: INSERT OR REPLACE INTO People(name, craft, personImageUrl, personBio) VALUES(?,?,?,?); selectAll: SELECT * FROM People; deleteAll: DELETE FROM People; SQLDelight PeopleInSpace
Kotlin shared code let sequence = asyncSequence(for: repository.pollISSPosition()) for try await data in sequence { self.issPosition = data } Swift PeopleInSpace
private val onSpeakerSelected: (id: String) -> Unit, ) : KoinComponent, ComponentContext by componentContext { private val coroutineScope = coroutineScope() private val repository: ConfettiRepository by inject() val uiState: Value<SpeakersUiState> = … fun onSpeakerClicked(id: String) { onSpeakerSelected(id) } } Confetti
private val onSpeakerSelected: (id: String) -> Unit, ) : KoinComponent, ComponentContext by componentContext { private val coroutineScope = coroutineScope() private val repository: ConfettiRepository by inject() val uiState: Value<SpeakersUiState> = … fun onSpeakerClicked(id: String) { onSpeakerSelected(id) } } Confetti
body: some View { ... let child = stack.active.instance switch child { case let child as HomeComponentChild.Sessions: SessionsView(child.component) case let child as HomeComponentChild.Speakers: SpeakersView(child.component) ... } } Confetti
AI client SDK for Kotlin Multiplatform enables developers to use Google's state- of-the-art generative AI models (like Gemini) to build AI- powered features and application” Confetti
"Speakers,Session ID,Title,\n" sessions.forEach { session -> session.sessionDescription?.let { val speakers = session.speakers.joinToString(" ") { it.speakerDetails.name } sessionsInfo += "$speakers, ${session.id}, ${session.title},\n" } } val basePrompt = """ I would like to learn about $query. Which talks should I attend? Show me the session ids in the result as comma delimited list. Do not use markdown in the result. """ val prompt = "$basePrompt Base on the following CSV: $sessionsInfo}"
"Speakers,Session ID,Title,\n" sessions.forEach { session -> session.sessionDescription?.let { val speakers = session.speakers.joinToString(" ") { it.speakerDetails.name } sessionsInfo += "$speakers, ${session.id}, ${session.title},\n" } } val basePrompt = """ I would like to learn about $query. Which talks should I attend? Show me the session ids in the result as comma delimited list. Do not use markdown in the result. """ val prompt = "$basePrompt Base on the following CSV: $sessionsInfo}"
var viewModel = CountriesViewModelShared() var body: some View { List { ForEach(viewModel.countryList) { country in CountryView(country: country) } } } } BikeShare
var viewModel = CountriesViewModelShared() var body: some View { List { ForEach(viewModel.countryList) { country in CountryView(country: country) } } } } BikeShare
you to store key-value pairs or typed objects with protocol bu ff ers. DataStore uses Kotlin coroutines and Flow to store data asynchronously, consistently, and transactionally.” DataStore https://developer.android.com/topic/libraries/architecture/datastore FantasyPremierLeague
simple as working with objects in your data model, with idiomatic APIs that integrate directly with Coroutines and Flows.” Realm Kotlin https://github.com/realm/realm-kotlin FantasyPremierLeague
0 var kickoffTime: String? = "" var homeTeam: TeamDb? = null var awayTeam: TeamDb? = null var homeTeamScore: Int = 0 var awayTeamScore: Int = 0 var event: Int = 0 } Realm Kotlin FantasyPremierLeague
object Loading : PlayerListUIState() data class Error(val message: String) : PlayerListUIState() data class Success(val result: List<Player>) : PlayerListUIState() } FantasyPremierLeague
case .loading: ProgressView() .progressViewStyle(CircularProgressViewStyle()) case .error(let error): Text("Error: \(error)") case .success(let success): List(success.result) { player in PlayerView(player: player) } } FantasyPremierLeague
based charting and plotting library allowing you to build great looking interactive charts for Android, desktop, ios, and web using a single API and code base.”
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