the expression cannot be a selector (occur after a dot) items!!.["one"] = liston kotlin error code example

Example 1: The expression cannot be a selector (occur after a dot)

Toast.makeText(applicationContext, "Clicked", Toast.LENGTH_SHORT).show()

Example 2: The expression cannot be a selector (occur after a dot)

Toast.makeText(this@MainActivity, "Clicked", Toast. LENGTH_SHORT).show()