[FLEX-33978] AIR mobile + flex sdk 4.10 + text field setFocus runtime error

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Apache Flex 4.10.0
• Fix Version/s: Apache Flex 4.12.0
• Labels: easyfix easytest
• Assignee: Justin Mclean
• Reporter: Deyan Vitanov
• Created: 04/Dec/13 23:01
• Updated: 26/Dec/13 21:14
• Resolved: 26/Dec/13 21:14

Description

Inside setFocus method, this check throws Null pointer exception:
if (stage.focus != this)
because stage is null.

Here is the full stack trace:

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.components.supportClasses::StyleableTextField/setFocus()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mobilecomponents/src/spark/components/supportClasses/StyleableTextField.as:1016]
at Function/http://adobe.com/AS3/2006/builtin::apply()
at mx.core::UIComponent/callLaterDispatcher2()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:12494]
at mx.core::UIComponent/callLaterDispatcher()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:12432]