I want to use the picker view to controller map view location, e.g pickerview keyword is New York, then the mapview will search New York location in the map.
i don't know how to link these two view.
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http://stackoverflow.com/questions/8598271/how-do-i-reload-refresh-the-uipickerview-with-new-data-array-based-on-button-p – Avinash Babu Nov 01 '14 at 05:37
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i want to use pickerview to show plist dictionary>array>dictionary>string, then the mapview can show the location. – Wesley Wong Nov 01 '14 at 15:27