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Make Node a viewmodel store owner #322
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30 changes: 30 additions & 0 deletions
30
libraries/core/src/main/kotlin/com/bumble/appyx/viewmodel/IntegrationPointViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package com.bumble.appyx.viewmodel | ||
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| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.ViewModelProvider | ||
| import androidx.lifecycle.ViewModelStore | ||
| import androidx.lifecycle.ViewModelStoreOwner | ||
| import androidx.lifecycle.get | ||
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| class IntegrationPointViewModel : ViewModel() { | ||
| private val viewModelStores = mutableMapOf<String, ViewModelStore>() | ||
| fun clear(nodeId: String) { | ||
| val viewModelStore = viewModelStores.remove(nodeId) | ||
| viewModelStore?.clear() | ||
| } | ||
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| override fun onCleared() { | ||
| super.onCleared() | ||
| viewModelStores.values.forEach { it.clear() } | ||
| viewModelStores.clear() | ||
| } | ||
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| fun getViewModelStoreForNode(nodeId: String): ViewModelStore = | ||
| viewModelStores.getOrPut(nodeId) { ViewModelStore() } | ||
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| companion object { | ||
| fun getInstance(viewModelStoreOwner: ViewModelStoreOwner): IntegrationPointViewModel { | ||
| return ViewModelProvider(viewModelStoreOwner).get() | ||
| } | ||
| } | ||
| } | ||
35 changes: 35 additions & 0 deletions
35
samples/app/src/main/kotlin/com/bumble/appyx/app/node/samples/MyViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package com.bumble.appyx.app.node.samples | ||
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| import androidx.lifecycle.SavedStateHandle | ||
| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.ViewModelProvider | ||
| import androidx.lifecycle.createSavedStateHandle | ||
| import androidx.lifecycle.viewModelScope | ||
| import androidx.lifecycle.viewmodel.initializer | ||
| import androidx.lifecycle.viewmodel.viewModelFactory | ||
| import kotlinx.coroutines.delay | ||
| import kotlinx.coroutines.flow.Flow | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.getAndUpdate | ||
| import kotlinx.coroutines.launch | ||
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| class MyViewModel() : ViewModel() { | ||
Check warningCode scanning / detekt Empty block of code detected. As they serve no purpose they should be removed.
An empty default constructor can be removed.
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| private val stateFlow = MutableStateFlow(0) | ||
| val flow: Flow<Int> = stateFlow | ||
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| init { | ||
| viewModelScope.launch { | ||
| while (true) { | ||
| stateFlow.getAndUpdate { value -> | ||
| value + 1 | ||
| } | ||
| delay(1000) | ||
| } | ||
| } | ||
| } | ||
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| override fun onCleared() { | ||
| super.onCleared() | ||
| } | ||
| } | ||
Check warningCode scanning / detekt Checks whether files end with a line separator.
The file /home/runner/work/appyx/appyx/samples/app/src/main/kotlin/com/bumble/appyx/app/node/samples/MyViewModel.kt is not ending with a new line.
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