
Spark item renderer blinks on hover
Custom Spark item renderer may blink when it gets hovered. This happens when item renderer uses states. Here is the example:
BadItemRenderer gets removed and added back on hover. GoodItemRenderer is not removed on hover because it overrides…
Cloud Layout
Here is the CloudLayout.as [plain] that does nice Web 2.0 tag cloud:
Fit buttons in the toolbar
Sometimes buttons does not fit in the toolbar:

Spark Tree
Unfortunately Flex 4 does not have Spark Tree and MX Tree has 99 bugs at this moment.
In our project we were in need of Spark-based Tree for some time so inspired by Alex Harui I wrote…
Runtime icons for Flex components
Bitmap or BitmapData can not be used as icon in Flex components like MX Button because they want Class that will instantiate as BitmapAsset.
Solution
Create cache of special classes. Each of them will be able to become an icon.…
Change font size in the whole app with Ctrl+/-
Browser supports changing page font size with Ctrl+/- and Ctrl+scrolling, but Flex applications are not affected by this. People with failing sight can not use such applications.
Solution for Flex 4
Work with StyleManager and set fontSize style at runtime.…



