“Cannot Resolve Symbol” Error when using android:id=“@+android:id/my_id”

Question

When I am adding android:id/background to the namespace, Lint complains that it \"Cannot Resolve Symbol\" even though I am requesting to add it rather than call it. The code wor

Answer 1

It seems you are using an extra +.

You should remove it, replace as follows @+android:id/background to @android:id/background.