Background image disappears when the user scroll down
Hello
Here is a class that paints a picture as desktop wallpaper. My problem is that if a vertical scrolling is on the screen, when scrolling down the background image does not scroll also. Is it possible to repeat the background so that it is always on the screen when the user scrolls down.
Thank you.
SerializableAttribute public class BaseVerticalFieldManager extends VerticalFieldManager {}
public BaseVerticalFieldManager (long style) {}
Super (style);
}
Public Sub paintBackground (Graphics graphics)
{
graphics.drawBitmap (0, 0, Display.getWidth (), Display.getHeight (), Constants.BACKGROUND_IMAGE, 0, 0);
}
}
adrianeireyahoo wrote:
Public Sub paintBackground (Graphics graphics)
{
graphics.drawBitmap (0, 0, Display.getWidth (), Display.getHeight (), Constants.BACKGROUND_IMAGE, 0, 0);}
The values highlighted are wrong - you need to keep track of the Manager scroll position. In addition, using Display.getWidth () and Display.getHeight () isn't exactly smart - use getWidth() / getHeight() Manager itself.
In short, the correct code would be:
public void paintBackground( Graphics graphics) { graphics.drawBitmap(getHorizontalScroll(), getVerticalScroll(), getWidth(), getHeight(), Constants.BACKGROUND_IMAGE, 0, 0); }
Tags: BlackBerry Developers
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