How to pass a boolean between intents

Question

I need to pass a boolean value to and intent and back again when the back button is pressed. The goal is to set the boolean and use a conditional to prevent multiple launche

Answer 1

This is how you do it in Kotlin :

val intent = Intent(this@MainActivity, SecondActivity::class.java)
            intent.putExtra("sample", true)
            startActivity(intent)

var sample = false
sample = intent.getBooleanExtra("sample", sample)
println(sample)

Output sample = true