Commenting the code

BirthdayGreet/app/src/main/java/com/example/birthdaygreet/MainActivity.kt

@@ -8,18 +8,22 @@ import android.widget.EditText
 import android.widget.Toast
 import kotlinx.android.synthetic.main.activity_main.*
 
+//class starts here :
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        //the kotlin code is linked to activity_main.xml file here:
         setContentView(R.layout.activity_main)
     }
-
+ //function for creating the birthday card :
     fun createBirthdayCard(view: View) {
-
+        //variable to store the name being input by the user :
         val name = nameInput.editableText.toString()
+        //passing the intent to another activity (the one responsible for creating the birthday card)..
         val intent = Intent(this,BirthdayGreetingActivity::class.java)
+        //passing the name with the help of a keyword..
         intent.putExtra("name",name)
         startActivity(intent)
 
     }
-}
+}