Retrofit 返回 Flow<out T>

依赖版本

Dependency	Version
kotlin	1.4.21
kotlinx-coroutines-android	1.4.2
retrofit	2.9.0

Gradle 依赖

1.root build.gradle

allprojects {
	repositories {
		...
		maven { url "https://jitpack.io" }
	}
}

2.app build.gradle

dependencies {
	implementation 'com.github.chenxyu:retrofit-adapter-flow:1.1.3'
}

使用方法

@POST(API.LOGIN)
fun login(@Body any: Any): Flow<User>

Retrofit.Builder()
    ...
    .addCallAdapterFactory(FlowCallAdapterFactory())
    .build()

lifecycleScope.launch(Dispatchers.Main) {
            var resultFlow: Flow<String>? = null
            withContext(Dispatchers.IO) {
                resultFlow = githubService.search("kotlinx.coroutines")
            }
            resultFlow?.catch { e ->
                // 异常处理
                if (e is CancellationException) {
                    Toast.makeText(this@MainActivity, e.message, Toast.LENGTH_LONG).show()
                }
            }?.collect {
                textView.text = it
            }
        }