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顯示具有 NSNotificationCenter 標籤的文章。 顯示所有文章
顯示具有 NSNotificationCenter 標籤的文章。 顯示所有文章

2014/03/25

[iOS] 讓我通知您 - 通知中心NSNotificationCenter


idea...



我是iOS工程師,
我想要知道使用者按了多少下按鈕,
但統計按鈕按下的次數的任務又在Controller上,
要怎麼樣讓Button按鈕被按下時,
可以通知Controller統計按鈕按下的次數?

我是通知中心NSNotificationCenter,
只要向我註冊一個訊息,
當我接收到這個訊息時,
我就會通知Controller,
請Controller做事。
我是Controller,
那我就向通知中心NSNotificationCenter註冊一個訊息,
等你來通知我做事了。

那我也會在我被按下時,
發出一個訊息給通知中心NSNotificationCenter
這樣Controller就會被通知中心NSNotificationCenter告知,
使用者又按下我這個Button按鈕一次,
好讓Controller記錄被按下的次數。