Example of code with boilerplate removed

StudentListActivity.kt

   private fun launchStudentDetailsActivity(id: String, name: String, totalScore: Int) {
        val intent = Intent(this, StudentDetailsActivity::class.java)
        intent.replaceExtras(getExtras(id, name, totalScore))
        startActivity(intent)
    }

    private fun launchStudentEditorActivity(id: String, name: String, totalScore: Int) {
        val intent = Intent(this, StudentEditorActivity::class.java)
        intent.replaceExtras(getExtras(id, name, totalScore))
        startActivity(intent)
    }

    private fun getExtras(id: String, name: String, totalScore: Int): Bundle {
        val extras = Bundle()
        extras.putString(EXTRA_STUDENT_ID, id)
        extras.putString(EXTRA_STUDENT_NAME, name)

        //Suppose "totalScore" is score of student in 5 subjects.
        val totalPercentage = totalScore / 5

        extras.putString(EXTRA_STUDENT_PERCENTAGE, totalPercentage)
        return extras
    }