Android Checkable Menu Item

Question

I have the following menu layout in my Android app:

Answer 1

Layout looks right. But you must check and uncheck menu item in code.

From the documentation:

When a checkable item is selected, the system calls your respective item-selected callback method (such as onOptionsItemSelected()). It is here that you must set the state of the checkbox, because a checkbox or radio button does not change its state automatically. You can query the current state of the item (as it was before the user selected it) with isChecked() and then set the checked state with setChecked().