Difference between “@id/” and “@+id/” in Android
you refer to Android resources , which are already defined in Android system, with @android:id/.. while to access resources that you have defined/created in your project, you use @id/.. More Info As per your clarifications in the chat, you said you have a problem like this : If we use android:id=”@id/layout_item_id” it doesn’t work. Instead … Read more