how to go the next page

val submitButton = findViewById<Button>(R.id.submit_button)
        submitButton.setOnClickListener {
            showAlertDialog()
        }

private fun showAlertDialog() {
        AlertDialog.Builder(this)
            .setTitle("Submit Confirmation")
            .setMessage("Are you sure you want to submit?")
            .setPositiveButton("Yes") { dialog, which ->
                dialog.dismiss()
                Toast.makeText(this, "Submission Confirmed", Toast.LENGTH_SHORT).show()
                calcres()

            }
            .setNegativeButton("No") { dialog, which ->
                dialog.dismiss()
            }
            .show()
    }

    private fun calcres() {
        val radioGroupIds = arrayOf(
            R.id.RG1, R.id.RG2, R.id.RG3, R.id.RG4, R.id.RG5,
            R.id.RG6, R.id.RG7, R.id.RG8, R.id.RG9, R.id.RG10,
            R.id.RG11, R.id.RG12 // Add IDs for the new RadioGroups
        )

        val correctans = mutableListOf(
            "True", "False", "True", "False", "True",
            "False", "True", "False", "True", "False",
            "True", "False" // Add the correct answers for the new questions
        )
        val urans = mutableListOf<String>()
        var score = 0

        radioGroupIds.forEachIndexed { index, radioGroupId ->
            val radioGroup = findViewById<RadioGroup>(radioGroupId)
            val selectedRadioButtonId = radioGroup.checkedRadioButtonId
            if (selectedRadioButtonId != -1) {
                val radioButton = findViewById<RadioButton>(selectedRadioButtonId)
                val selectedText = radioButton.text.toString()
                urans.add(selectedText)
                if (selectedText == correctans[index]) {
                    score++
                }
            } else {
                urans.add("Not Answered")
            }
        }

        tempScore = score
        checkPermissionsAndShowNotification(score)
        val intent = Intent(this, MainActivity2::class.java).apply {
            putExtra("score", score)
            putStringArrayListExtra("ans", ArrayList(urans))
        }
        startActivity(intent)
    }

#ON NEXT PAGE
val getans:ArrayList<String>?=intent.getStringArrayListExtra("ans")
        val answersText = getans?.joinToString(separator = "\n") ?: "No answers provided"
        val score=intent.getIntExtra("score",0)