Embedding a rich bitmap is fairly easy in Flex (by providing the backgroundImage property), and adding a component with vector drawing is even easier.

在 Flex 中嵌入一个丰富的位图是很容易的（通过提供 backgroundImage property），添加一个带矢量图的组件就更容易了。

youdao

Con: the report with 96 dpi BackgroundImage would be displayed correctly in ReportViewer, but when printing or exporting to PDF, the quality would be very poor.

弊：以96 dpi分辨率的图片为背景的报表在ReportViewer里应该能正确显示，但在打印或输出为PDF时，质量应该会很差。

youdao

If your navigation bar uses them, you can also specify its tint color (with the TintColor key) or the name of its custom background image (with the BackgroundImage key).

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog