PrepareCall.kt

fun <I, O> prepareCall(activityResultContractor: ActivityResultContractor<I, O>,activityResultCallback: ActivityResultCallback<O>)
: ActivityResultLauncher<I> = prepareCall(object : ActivityResultContract<I, O>() {
                   override fun createIntent(input: I): Intent = activityResultContractor.createIntent(input)
                   override fun parseResult(resultCode: Int, intent: Intent?): O = activityResultContractor.parseResult(resultCode, intent)
      }, activityResultCallback)
 }