Questions about using HomeScreen.setBackgroundImage, please!

I am currently make an app when a user presses a button, should change the wallpaper on the homescreen to an image of my application. I know that I need to use HomeScreen.setBackgroundImage (String URL) for this, but I have some questions about its use, that I have not found on the forums of the knowledge base.

(1) I use PNG images, I realized I may have to change them into JPG, is this true? If it is true, can I just use PNG images in the first place, as in, use them in my application and also as the wallpaper?

(2) how can I find the URL of the chain of my images, I store them in the folder resource in Eclipse. The URL will be the same for the simulator tests as it will be for the device?

(3) what I need to make the images of persistent to keep them as a background image or the api will do that automatically whenever I create a new wallpaper?

I hope that these are simple answers for you pro out there, thanks in advance!

For anyone who needs help with this topic, the following website has answered most of my questions:

http://blog.vimviv.com/BlackBerry/display-information-BlackBerry-homescreen/

Tags: BlackBerry Developers

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