ALPopoverView mimics the iPad’s UIPopoverController class, but it’s much more flexible, customizable and it’s possible to use it also on the iPhone. Like the iPad-only version, you can open the popover so that its arrow starts at specific coordinates or points to a view, and the rest of the popover is automatically positioned according to its size and the space available around the arrow. But you can also manually configure the direction of the arrow and therefore where the popover’s content will be displayed relatively to the arrow.
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