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Storing Data Similar to Cookies

Storing Data Similar to Cookies
AddThis Social Bookmark Button
Description: Store data with flash so that data remains after closing an applet.
Author: John Bezanis
Added: March 29th 2007
Version: Flash 8


Flash uses Shared Objects to allow data to be stored even after a user closes a flash applet. This is very similar to a browser's use of cookies. Main code in the applet:
  1. //Select the local shared object
  2. var so:SharedObject = SharedObject.getLocal("setbgcolor");
  3. //check if the bgcolor has been previously set
  4. if(so.data.bgcolor!=undefined){
  5.   //if set, set the background color to that color
  6.   setcolor(so.data.bgcolor);
  7. }
  8. //set the background color and save it.
  9. function setcolor(color){
  10.   var bgcolor = new Color(bg);
  11.   bgcolor.setRGB(color);
  12.   so.data.bgcolor=color;
  13.   //force the file to be written
  14.   so.flush();
  15. }
Each button in the applet calls the following code in the on(press) function: setcolor(0x00FF00); 0x00FF00 is a hexadecimal number, and you can tell that because hexadecimal numbers begin with 0x in flash. To delete a set variable in this applet use either delete so.data.bgcolor; or so.clear();

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