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letiti

Objective-C -Navigation Controller

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letiti

Boa noite .. Estou a desenvolver uma aplicação para iphone e estou a utilizar o navigation controller, no entanto não me está a aparecer o botão para voltar para trás da navigation controller, ja fiz com código e nunca aparece .. alguém consegue me dar alguma ideia?

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KTachyon

Se estiveres no topViewController não existe botão para voltar para trás. Quando fazes push de um UIViewController, aí vais ter o botão para voltar para trás.

Agora, para te ajudar vou precisar de um pouco mais de contexto.


“There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult.”

-- Tony Hoare

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