MainActivity.kt

        val nameET = findViewById<EditText>(R.id.nameEt)
        val phoneEt = findViewById<EditText>(R.id.phoneEt)
        val saveBtn = findViewById<Button>(R.id.saveBtn)

        //HANDLE BUTTON CLICK

        saveBtn.setOnClickListener {
            
            //GET TEXT FROM EDITTEXT
            
            val name = nameET.text.toString()
            val phone = phoneEt.text.toString()

            //INTENT TO START NEW ACTIVITY

            val intent = Intent (this, Main2Activity:: class.java)

            intent.putExtra("Name", name)
            intent.putExtra("Phone", phone)

            startActivity(intent)