Actionscript 3 :: Why Does Stage.stageWidth In Flash Builder 4.6 Using Flex On Android Not Work
Jan 11, 2012
I am creating a android app using adobe air (flex sdk 4.6.0) and i am trying to find out what the width of the phone screen is in pixels. So I am fallowing the tutorial here but when ever i copy the code into my project and click run it always gives me this error "TypeError: Error #1009: Cannot access a property or method of a null object reference." and goes to the line that has stage.stageWidth I have also tried stage.width but it does the same thing. So does stage.stageWidth no longer work or how do you tell the screen size of the tablet or phone? Was it replaced with something else for phones? I am trying to get the information so i can center images in the center of the screen using action script.[code]
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[code]....
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[Code]....
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[Code]....
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[Code]...
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Quote:
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[Code]...
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[URL]
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[code]....
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I created a custom class in a .as file. I then linked this custom class with a symbol from the library in my .fla file. However, I can't reference stage.stageWidth in my custom class file. I get a null object error.
I think this happens because the custom class file is associated with a symbol on the stage and not the stage itself. For example, if I set the fla file's Document Class to the name of my custom class I can reference stage.stageWidth in the custom class. But I don't do this because I am creating multiple instances of the symbol on the stage. In order to do that properly i found I have to set the class in the properties panel of the symbol to the underlying class which then defines how each symbol behaves.
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[Code]....
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