[FLEX-22627] fauxFocus null, when calling getNextFocusManagerComponent()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: Adobe Flex SDK 4.5 (Release)
• Component/s: Focus Manager
• Environment: Affected OS(s): All OS Platforms; Affected OS(s): All OS Platforms; Browser: Safari; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 06/Jan/10 03:42
• Updated: 16/Feb/10 10:49
• Resolved: 12/Feb/10 12:30

Description

Steps to reproduce:
1. Create a custom component
2. Have a method call focusManager.setFocus(focusManager.getNextFocusManagerComponent());
3. RTE when method is run

Actual Results:
RTE

Expected Results:
getNextFocusManagerComponent() should return next focus component.

Workaround (if any):
None found yet
In Flex 3 focusManager.moveFocus(FocusRequestDirection.FORWARD); was used
This is no longer present in Flex 4.

Stack trace:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.managers::FocusManager/getNextFocusManagerComponent()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\FocusManager.as:1471]
at com.ceros.pageEditor.view.components::PageNumberNavigator/onFocusIn()[/Users/robmcm/Documents/Adobe Flash Builder 4/PageEditor/src/com/ceros/pageEditor/view/components/PageNumberNavigator.mxml:58]
at com.ceros.pageEditor.view.components::PageNumberNavigator/___PageNumberNavigator_TextInput1_focusIn()[/Users/robmcm/Documents/Adobe Flash Builder 4/PageEditor/src/com/ceros/pageEditor/view/components/PageNumberNavigator.mxml:3]