how to add action programmatically to a button Item (Swift)

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I’m new in iOS dev with swift 3 I would like to create a calculator with UITextField so i have implemented a toolBar with items above number pad but i can’t interact with UITextField without an error . I passed some hours to read and i found some solutions with action parameter but none worked.

Furthermore for = buttonItem i would like to do the result of the operation in my UITextField but i dont know how to do this thing.

Regards

http://i.stack.imgur.com/XyGe2.png

asked 53 secs ago

idealisticDreamer2.0

برچسب: how to address a letter,how to add fractions,how to address a cover letter,how to address an envelope,how to add friends on steam,how to add music to iphone,how to add signature in outlook,how to add pokemon to a gym,how to add mixed fractions,how to add a pokestop, نویسنده: استخدام کار تاريخ: شنبه 6 شهريور 1395 ساعت: 6:45

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how to add action programmatically to a button Item (Swift)

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