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Mastering Kotlin Coroutines

Solution: Flow Building

Explore how to build Kotlin flows by converting sequences into flows and collecting their values. This lesson helps you grasp flow-building techniques essential for asynchronous data handling with Kotlin coroutines in Android development.

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Solution

The solution to the challenge we just solved is as follows.

suspend fun main() {
    sequenceOf("A1", "B1", "C1", "D1")
       .asFlow()
       .collect { println(it) }
}
Complete code of the solution

Explanation

Here is a line–by–line explanation of the code above:

  • Line 2: Set a sequence of A1, B1, C1, and D1.
  • Line 3: Use the asFlow function to convert a sequence into Flow.
  • Line 4: Print all the values using collect.