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POHow to save and load objects in Flash Adobe Air
 

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    <p>I feel like I'm a little out of my depth here - I need to figure out a way to allow users to save their galaxy in an outer space game that I'm building. At the most basic level, I need to write the randomly generated galaxy (which is an instance of a custom class) to disk and then read it from the disk later. I've not used Air's filestream abilities before and I'm having a bit of trouble. My code:</p> <pre><code> public function saveGame(e:MouseEvent):void { trace("save"); var file:File = File.desktopDirectory.resolvePath("test.sv"); var fileStream:FileStream = new FileStream(); fileStream.open(file, FileMode.WRITE); fileStream.writeObject(gal); fileStream.close(); } public function loadGame(e:MouseEvent):void { trace("load"); var file:File = File.desktopDirectory.resolvePath("test.sv"); if (file.exists) { var obj:Object; var fileStream:FileStream = new FileStream(); fileStream.open(file, FileMode.READ); obj = fileStream.readObject(); fileStream.close(); trace(obj); } } </code></pre> <p>The object "gal" is my galaxy, and I've verified that it's a valid instance of my object (it contains children and it contains many variables) but for some reason the file created on the desktop is only 1 byte - obviously too small to contain any info.</p> <p>When I trace the object in the second function it's null.</p> <p>Any help on this would be greatly appreciated, as it's very difficult to find this information clearly explained for a beginner such as me. </p> <p>Thanks for any insight you may have.</p>
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