Shared ViewModel in Kotlin Multiplatform

Double Symmetry

Last update: Nov 8, 2022

Overview

multiplatform-viewmodel 🗳

Create shared ViewModel's for shared business logic using our ViewModel base class.

Features

Uses Jetpack ViewModel on Android for lifecycled
Exposes a CoroutineScope to be used in your methods

Overview of Package

This package has 1 component to it: A ViewModel class you can base your view models on.

Getting Started

Add Dependency

commonMain {
    dependencies {
        // ...
        api("com.doublesymmetry:multiplatform-viewmodel:0.0.1")
    }
}

Expose it to iOS native side

ios {
    binaries {
        framework {
            baseName = "shared"
            export(Deps.viewmodel) // required to expose the class to iOS
        }
    }
}

Using the ViewModel

class ExampleViewModel: ViewModel() {
    private val _viewState = MutableStateFlow(UIViewState())
    val viewState: StateFlow<UIViewState> = _viewState
 
    fun onLaunched() {
        scope.launch {
            // fetch some data
            _viewState.emit(newState)
        }
    }
}

Using your ViewModel on iOS with a `UIViewController`

When using it on iOS you'll want to make sure that you call clear() on your ViewModel on deinit to properly kill the CoroutineScope

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Releases(0.0.3)

0.0.3(Apr 26, 2022)
What's Changed

Add better instantiation and synchronization of scope by @dcvz in https://github.com/doublesymmetry/multiplatform-viewmodel/commit/4bb4c72c494c9f7f4447efebfcefdc348fc3c1b7

Breaking

Expose CoroutineScope as viewModelScope by @dcvz in https://github.com/doublesymmetry/multiplatform-viewmodel/commit/5604b999ad9fa7f70322ff98b36836ad1e0f83df

New Contributors

@dcvz made their first contribution in https://github.com/doublesymmetry/multiplatform-viewmodel/pull/1

Full Changelog: https://github.com/doublesymmetry/multiplatform-viewmodel/compare/0.0.2...0.0.3
Source code(tar.gz)
Source code(zip)
0.0.2(Apr 16, 2022)
Updates

Moves lock usage from Stately to AtomicFU

Source code(tar.gz)
Source code(zip)
0.0.1(Apr 7, 2022)

First release! 🎉
Source code(tar.gz)
Source code(zip)

Shared ViewModel in Kotlin Multiplatform

Related tags

Overview

multiplatform-viewmodel 🗳

Features

Overview of Package

Getting Started

Using the ViewModel

Using your ViewModel on iOS with a `UIViewController`

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Shared ViewModel in Kotlin Multiplatform

Related tags

Overview

multiplatform-viewmodel 🗳

Features

Overview of Package

Getting Started

Using the ViewModel

Using your ViewModel on iOS with a UIViewController

You might also like...

[Android-Kotlin] MVVM, ViewModel, LiveData, Observer, DataBinding, Repository, Retrofit, Dagger example

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Releases(0.0.3)

0.0.3(Apr 26, 2022)

What's Changed

Breaking

New Contributors

0.0.2(Apr 16, 2022)

Updates

0.0.1(Apr 7, 2022)

Owner

Double Symmetry

Plugin-shared-preferences - Pluto plugin to manage your Shared Preferences

D-KMP Architecture official sample: it uses a shared KMP ViewModel and Navigation for Compose and SwiftUI apps.

ViewModel LiveData Sample - Sample of using ViewModel, LiveData and Data Binding

Clean MVVM with eliminating the usage of context from view models by introducing hilt for DI and sealed classes for displaying Errors in views using shared flows (one time event), and Stateflow for data

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