[FLEX-28486] UIMovieclip not visible under some circumstances

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Adobe Flex SDK 4.5.1 (Release)
• Component/s: Spark: Group
• Environment: Affected OS(s): Windows; Affected OS(s): Windows 7; Browser: Internet Explorer 8.x; Language Found: German
• Assignee: Unassigned
• Reporter: Adobe JIRA
• Created: 12/Sep/11 05:58
• Updated: 12/Sep/11 05:58

Description

Steps to reproduce:
1. create a group with an UIMovieClip inside
2. create a Class (extending Sprite) which only draws on graphics (in this case: graphics.drawRect())
3. addChild the Sprite extending class to the UIMovieClip

Actual Results:
The Sprite (rectangle) is not drawn.

Expected Results:
The Sprite (rectangle) is drawn.

Workaround (if any):
add a flash-Textfield with height=1 and width=1 with no content. Then the rectangle is drawn.
(or use SpriteVisualElement instead of UIMovieClip)