Flex - 使用复选框禁用软键盘

I have a TextArea and a Checkbox. I want to disable the SoftKeyboard when the checkbox is checcked, so the TextArea can be scrolled without it popping up. I can get the keyboard to disable when the Checkbox is clicked, but as soon as I click on the TextArea to scroll it pops back up. How do I enable/disable the keyboard with a checkbox? Below is my code:I have a TextArea and a Checkbox. I want to dis