在Kotlin的协程库kotlinx.coroutines中,StateFlow和SharedFlow是两种用于处理事件流的API,它们有相似之处,但在设计上的初衷和内在机制上有明显区别。 这次我们就对StateFlow和SharedFlow进行深入对比: StateFlow和SharedFlow概述 StateFlow: 一种用于持有单一最新状态值并发射给多个观察者的热流。适合用于状态管理场景,例如...
这里是我们的ViewModel,它将使用StateFlow来管理计数器的状态。 packagecom.example.counterappimportkotlinx.coroutines.flow.MutableStateFlowimportkotlinx.coroutines.flow.StateFlowimportandroidx.lifecycle.ViewModelimportandroidx.lifecycle.viewModelScopeimportkotlinx.coroutines.launchclassCounterViewModel:ViewModel(){pri...
#2 got -1 ([StandaloneCoroutine{Active}@32a30cca, Dispatchers.IO]) #1 got 0 ([StandaloneCoroutine{Active}@36c7ba04, Dispatchers.IO]) #2 got 0 ([StandaloneCoroutine{Active}@32a30cca, Dispatchers.IO]) Emitting1([StandaloneCoroutine{Active}@5bc02d70, Dispatchers.IO]) #1 got 1 ([S...
有关Flow的介绍及其操作符用法可以参考：异步流 - Kotlin 语言中文站，本文不做赘述。基于LiveData+ViewMo...
implementation"org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.1"implementation"org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.1" 1. 2. 使用StateFlow 下面我们通过一个简单的计数器应用来说明如何使用 StateFlow。 创建一个 ViewModel importandroidx.lifecycle.ViewModelimportandroidx.lifecycle.viewModel...
Kotlin学习笔记 - 数据类型 《Kotlin学习笔记 - 数据类型》是Kotlin编程语言学习系列的一部分,专注于Kotlin中的数据类型,包括布尔型、数字型(整型和浮点型)、字符型及字符串型,详述了各类型的定义、使用方法及相互间的转换规则。适合初学者快速掌握Kotlin基础语法。 53 3 3 毓秀清荷 | 6月前 | 安全 IDE Java...
In our example, we create a new instance of the StateFlowExample class and verify that the initial state is as expected. To test this state holder effectively, we need a controlled environment. The runTest builder from the kotlinx-coroutines-test library is crucial for that. The runTest ...
Android Refresh token with Retrofit, OkHttp, Kotlin Coroutines Mutex 🔂 When multiple requests hit 401 (HTTP_UNAUTHORIZED), only single Refresh token request will be executed. After successful refresh, all pending requests will be executed concurrently. Example of encryption Jetpack Proto DataStore ...
android kotlin android-development declarative-ui android-architecture android-ui stateflow ui-components hacktoberfest kotlin-coroutines ui-toolkit mvvm-android room-persistence-library room-database jetpack-android jetpack-compose coroutines-flow hilt-android datastore-android Updated Jan 3, 2022 Kotlin...
We’re pleased to announce the release of version 1.4.0 of the Kotlin Coroutines library. The highlights of the release are StateFlow and SharedFlow, which are being promoted to stable API. StateFlow and SharedFlow are designed to be used in cases where