I have a code which looks like this ```class TeaMa...

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[Ankur Gupta]

I have a code which looks like this

class TeaMaker {
    private lateinit var tea: Tea

    fun prepareTea() {
        tea = Tea()
    }

    fun addSugar() {
        tea.add(Sugar())
    }
}

class Restaurant {
    ...
    //In some method
    val teaMaker = TeaMaker()

    teaMaker.prepareTea()
    teaMaker.addSugar()
}

The problem is when i call addSugar I get the lateinit not initialized exception. I tried setting up debugger but found it is initialised. Am I missing something?

[arekolek]

In the real program, is this:

teaMaker.prepareTea()
teaMaker.addSugar()

really done sequentially, or are there multiple threads? If there are, it could explain why the problem goes away when you attach debugger

[Dico]

What probably happened is this:
Tea() returned null

[Dico]

When the compiler thought it never should

[Dico]

I've run into this issue before

[Dico]

The problem with it is that lateinit property is not fail-safe in this case and results in wrong error

[Dico]

Try adding !! and see if error changes

[Brandon Ward]

both of these functions have a void / unit return type, so I highly doubt !! will change anything.

[Dico]

tea = Tea()!!

[Ankur Gupta]

The problem was rather complex and related to lifecycle of activity in android. In the actual code I had view returned in prepareTea() method, the view wasn't not being fully inflated before accessing its property that's why it threw an exception.

[Ankur Gupta]

What I did was make the property val instead of lateinit var to fix the error.