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https://github.com/dropbox/componentbox
Reactive server-driven UI for iOS, Android, and web
https://github.com/dropbox/componentbox
android compose ios jetpack kotlin-multiplatform react server-driven-ui swift-ui
Last synced: about 19 hours ago
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Reactive server-driven UI for iOS, Android, and web
- Host: GitHub
- URL: https://github.com/dropbox/componentbox
- Owner: dropbox
- License: apache-2.0
- Archived: true
- Created: 2022-02-28T16:34:29.000Z (over 2 years ago)
- Default Branch: master
- Last Pushed: 2024-03-06T21:55:31.000Z (8 months ago)
- Last Synced: 2024-10-02T11:04:21.964Z (about 1 month ago)
- Topics: android, compose, ios, jetpack, kotlin-multiplatform, react, server-driven-ui, swift-ui
- Language: Kotlin
- Homepage: https://dropbox.github.io/componentbox/
- Size: 38.4 MB
- Stars: 260
- Watchers: 12
- Forks: 6
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE.txt
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
- awesome-kotlin-multiplatform - componentbox - A Kotlin multiplatform library for building dynamic server-driven UI (Libraries / GUI)
README
# Component Box
> [!NOTE]
>
> **No longer active!**
>
> After internal experimentation and discussion, we've decided to move forward with other options.
### Sample
#### Model (server)
```kotlin
class Counter : ComposableModel(0) {
private fun increment() {
withState {
setState(state.value + 1)
}
}
private fun decrement() {
withState {
setState(state.value - 1)
}
}
override fun on(event: CounterEvent) = when (event) {
Increment -> increment()
Decrement -> decrement()
}
}
```
#### UI Representation (server)
##### Static
###### [Tree](componentbox/src/commonMain/kotlin/com/dropbox/componentbox/Tree.kt)
```kotlin
@SerializableComponentBox
fun main() = componentBox {
tree {
lazyColumn(
verticalArrangement = Arrangement.SpaceEvenly(2.dp),
horizontalAlignment = Alignment.Start
) {
child(header)
child(count)
child(incrementButton)
child(decrementButton)
}
}
}
val header = text(
text = "Component Box Counter",
style = TextStyle(fontWeight = FontWeight.ExtraBold)
)
val count = text(
text = "Count: \${COUNTER_STATE}",
style = TextStyle(color = Color.Hex("#FF0000"))
)
val incrementButton = textButton(
text = "+1",
onClick = semantic { Increment }
)
val decrementButton = textButton(
text = "-1",
onClick = semantic { Decrement }
)
```
##### Dynamic
###### [Graph](componentbox/src/commonMain/kotlin/com/dropbox/componentbox/Graph.kt)
```kotlin
@Composable
@ComponentBoxExport
fun main() = statefulComponentBoxGraph(init = null) {
Graph(start = CounterOnboardingFlow.value) {
componentBox(CounterLoginScreen.value, LoginScreen())
componentBox(CounterOnboardingFlow.value, OnboardingFlow())
componentBox(CounterScreen.Home.value, HomeScreen())
}
}
```
###### [Forest](componentbox/src/commonMain/kotlin/com/dropbox/componentbox/Forest.kt)
```kotlin
@Composable
fun LoginScreen() = Forest {
tree("heading", Tree { LoginHeading() })
tree("button", Tree { LoginButton() })
}
```
###### [Trail](componentbox/src/commonMain/kotlin/com/dropbox/componentbox/Trail.kt)
```kotlin
@Composable
fun OnboardingFlow() = Trail {
node(WelcomeScreen())
node(FeatureDiscoveryScreen())
node(HomeScreen())
}
```
###### [Tree](componentbox/src/commonMain/kotlin/com/dropbox/componentbox/Tree.kt)
```kotlin
@Composable
fun HomeScreen() = ComponentBox {
Tree {
LazyColumn(
verticalArrangement = Arrangement.SpaceEvenly(2.dp),
horizontalAlignment = Alignment.Start
) {
child(header)
child(Count())
child(IncrementButton())
child(DecrementButton())
}
}
}
@Composable
fun IncrementButton() = StatefulComposable {
ContainedButton(onClick = lambda { it.on(Increment) }) {
text(text = "+1")
}
}
@Composable
fun DecrementButton() = StatefulComposable {
ContainedButton(onClick = lambda { it.on(Decrement) }) {
text(text = "-1")
}
}
@Composable
fun Count() = StatefulComposable {
text(
text = "Count: ${it.state.value}",
style = TextStyle(color = Color.Hex("#FF0000"))
)
}
```
#### Binaries (server)
```shell
./gradlew componentBoxJs
```
```shell
./gradlew componentBoxJson
```
#### Jetpack Compose (Android)
##### Activity
```kotlin
class ComponentBoxActivity : ComponentActivity() {
private val scope = CoroutineScope(Dispatchers.Default)
private val service = ComponentBoxService(scope)
private val componentBox = service.componentBox
private val render = RenderingEngine()
override fun onStart() {
super.onStart()
service.launch(MANIFEST_URL)
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
val root = componentBox.collectAsState()
render {
root.value
}
}
}
}
```
##### Composable
```kotlin
@Composable
fun ComponentBoxView(componentBox: StateFlow, render: RenderingEngine) {
val root = componentBox.collectAsState()
render {
root.value
}
}
```
#### React (web)
```js
export default function ComponentBoxView(props: {manifestUrl: string}) {
const [root, setRoot] = useState(null);
const service = new ComponentBoxService();
const render = new RenderingEngine();
useEffect(() => {
async function launch(manifestUrl: string): Tree {
const componentBox = await service.launch(manifestUrl)
setRoot(componentBox.root)
}
launch(props.manifestUrl)
}, [props.manifestUrl]);
return render(root)
}
```
#### SwiftUI (iOS)
```swift
struct ComponentBoxView: View {
@StateObject private var service = ComponentBoxService()
@State private var root: Component?
var body: some View {
render {
root
}
.onAppear {
service.launch(from: MANIFEST_URL) { result in
switch result {
case .success(let componentBox):
DispatchQueue.main.async {
self.root = componentBox.root
}
}
}
}
}
```
## Snapshots
Snapshots are available
in [Sonatype's snapshots repository](https://s01.oss.sonatype.org/content/repositories/snapshots/com/dropbox/componentbox/).
## License
```text
Copyright (c) 2023 Dropbox, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
```
## Acknowledgments
| [
](https://github.com/cashapp) | Thanks to our friends at [Cash App](http://github.com/cashapp) for [Zipline](http://github.com/cashapp/zipline) |
|:-:|---|