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Slow Flash animation on some mobile phones

I have this flash animation (flash lite 1.1) and the problem is that it is pretty slow on my phone.

It looks like it was 5-6 FPS ....

Can anyone tell me why and how to make it faster?

Thanks in advance.

Here are the swf and fla files: Download

Edit: on SonyEricsson K550, W610, W300 and W880

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Performance issues in Flash Lite are usually best addressed by making render animations simpler, less and less complex. Some specific ideas that often improve productivity:



  • Complex vectors, deviceless text, and gradients are all expensive. Replace them with bitmaps (if you can do so without exceeding memory limits).
  • Limit the use of transparency and limit the number of layers involved.
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Looking at your files, you can do the following:

  • You are using particle effects, this is CPU intensity. Reducing the number of particles can affect the playback speed.
  • Each particle has an alpha decay effect. Reducing the duration of the alpha decay or removing it entirely will help.


Good luck.

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I just downloaded SWF and ran it on my Nokia 6500, it ran pretty smoothly, definitely not 5-6 FPS.

I don't think you can make it smoother on a slow phone (this could be a problem) while keeping the current graphics effects .

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