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AirTip: Problem with app.xml in Flex 3

So this is first tip for AIR development (See my FlexTips). I came across bug in Flex 3 Beta. It’s strange. I was playing with App-app.xml file to try change chrome and transparency.

<rootcontent systemChrome=”standard” transparent=”false” visible=”true”></rootcontent>

If you have systemChrome=”standard”, transparency must be set to false, if you have systemChrome=”none”, you can set transparency to true. And now problem. Try to set systemChrome=”standard” but have transparent=”true”. After compiling there is error: “Unknown error generating output application.xml files”. You can set systemChrome and transparent parameters back to correct values, you will not get rid of this error. After surfing I have find, that there is because of some invisible chars in the app.xml file. I was trying to remove them, but I can’t see any invisible chars. I have tried to delete file, and copy another working app.xml from working AIR project. Nothing.

The only way how I clear the error was by creating new AIR project, and copy all files from old project except app.xml. I use the new one.

Hope this help someone.

May this will help you:
I wanted to delete this project, and in bin folder there were app.xml which was used by Windows and can be delete, and there were wrong line:

<rootcontent systemChrome=”standard” transparent=”true” visible=”true”></rootcontent>

So it seems, when you will have this error in your project, you have to delete or fix file in bin directory, not in source directory.
And when I wanted to switch off the computer, there were process which can be killed (flex 3), so I have to reset the computer.

This should help

This is some text prior to the author information. You can change this text from the admin section of WP-Gravatar  I'm living in Bratislava, Slovakia. I'm Senior Flex, AIR Developer for my own company Flexets. Read more from this author