Merge 9c38898451 into d6abd6d3e5
muraki
1 week ago
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GitHub
commit
cb205fc7b8
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/*
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* Copyright 2026 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.ui
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.SharingStarted
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.stateIn
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/**
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* Converts a [Flow] to a [StateFlow] scoped to the [ViewModel]'s lifecycle, using
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* [SharingStarted.WhileSubscribed] with a 5-second stop timeout.
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*
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* Shorthand for:
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* ```
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* stateIn(
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* scope = viewModelScope,
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* started = SharingStarted.WhileSubscribed(5_000),
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* initialValue = initialValue,
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* )
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* ```
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*
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* The [ViewModel] context is resolved implicitly from `this` when called inside a [ViewModel].
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*/
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context(viewModel: ViewModel)
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fun <T> Flow<T>.stateInUi(initialValue: T): StateFlow<T> = stateIn(
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scope = viewModel.viewModelScope,
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started = SharingStarted.WhileSubscribed(5_000),
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initialValue = initialValue,
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)
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