Based on the awesome Balloon library by @skydoves.
<Popover module="ti.popover" id="popover">
<View id="contentView">
<Label text="test"/>
</View>
</Popover>
<View id="attach_to"/>
$.popover.show({
view: $.attach_to,
direction: require("ti.popover").POPOVER_ARROW_DIRECTION_DOWN
})