question: private boolean showAppMenu ( View view , boolean startDragging ) { if ( ! mMenuHandler . isAppMenuShowing ( ) && mMenuHandler . showAppMenu ( view , startDragging ) ) { if ( ! startDragging ) RecordUserAction . record ( "MobileUsingMenuBySwButtonTap" ) ; if ( mOnAppMenuShownListener != null ) { mOnAppMenuShownListener . run ( ) ; } return true ; } return false ; }
target:  Shows the app menu if it is not already shown.