Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter convertView

Question

I got this error just after converted the adapter code to Kotlin:

java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.         


        

Answer 1

Change your convertView in getView from non-null to nullable

override fun getView(position: Int, convertView: View, parent: ViewGroup): View {

to

override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {