How to convert if expression to when in Kotlin

Question

How can I convert the following code from

if expression

to

when

by using Kotlin?

Actually i'm using 2 adapters inside my Activity and i got problem will converting

if expression

to

when

, any solution?

Here is my code

    var ADAPTER_TYPE_1=adapter1

    var ADAPTER_TYPE_2=adapter2



   if(ADAPTER_TYPE_1 ==lvFoods2.adapter) {

       ADAPTER_TYPE_1 = FoodAdapter(listOfFoods2, this)

       lvFoods2.adapter = ADAPTER_TYPE_1

    } else if (ADAPTER_TYPE_2==lvFoods2.adapter) {

       ADAPTER_TYPE_2 = FoodAdapter2(listOfFoods3, this)

       lvFoods2.adapter = ADAPTER_TYPE_2

     }

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Answer 1

Something like this:

var adapterType1 = adapter1
var adapterType2 = adapter2

lvFoods2.adapter = when (lvFoods2.adapter) {
    adapterType1 -> FoodAdapter(listOfFoods2, this).also { adapterType1 = it }
    adapterType2 -> FoodAdapter2(listOfFoods3, this).also { adapterType2 = it }
    else -> lvFoods2.adapter
}

How to convert if expression to when in Kotlin

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