UIAlertView ã® delegate æŸç¸›ã‚’解放ã—よㆠ- mixi engineer blogã©ã†ã‚‚ã€ä½é‡Žã§ã™ã€‚今回㯠UIAlertView ã®æ‹¡å¼µã‚«ãƒ†ã‚´ãƒªã‚’作ã£ã¦ã€delegate ã§ã¯ãªã Block ã§ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯å‡¦ç†ã‚’記述ã™ã‚‹ãŸã‚ã®æ‹¡å¼µã‚«ãƒ†ã‚´ãƒªã®ä½œã‚Šæ–¹ã‚’紹介ã—ã¾ã™ã€‚ iOS4 ã‹ã‚‰ Objective-C ã§ã¯ Blocks ã¨ã„ã†ç‹¬è‡ªã®ã‚¯ãƒãƒ¼ã‚¸ãƒ£æ©Ÿèƒ½ãŒæ載ã•ã‚Œã¾ã—ãŸã€‚ã“ã‚Œã«ã‚ˆã£ã¦ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ã®è¨˜è¿°ã‚„コールãƒãƒƒã‚¯å‡¦ç†ãªã©ã‚°ãƒƒã¨ç›´è¦³çš„・効率的ã«è¨˜è¿°ã§ãるよã†ã«ãªã£ãŸã®ã§ã™ãŒã€æ®‹å¿µãªãŒã‚‰ UIKit ã«ã‚ˆã£ã¦æä¾›ã•ã‚Œã¦ã„るクラスã®å¤šãã¯ã¾ã Blocks ã«æœ€é©åŒ–ã•ã‚ŒãŸä½œã‚Šã«ãªã£ã¦ã„ã¾ã›ã‚“。UIAlertView ã‚‚ãã®ã²ã¨ã¤ã§ã™ã€‚ UIAlertView ã¯ã€ãã® delegate を実装ã™ã‚‹ã“ã¨ã§ãƒ¦ãƒ¼ã‚¶ã‚¢ã‚¯ã‚·ãƒ§ãƒ³ã«å¯¾ã™ã‚‹å‡¦ç†ã‚’記述ã™ã‚‹è¨³ã§ã™ãŒã€ã©ã†ã‚‚使ã„å‹æ‰‹ãŒæ‚ªã„。例ãˆã°ã€åŒã˜ã§ç”»é¢å†…ã§2通り㮠UIAlertView を表示ã™ã‚‹ã‚ˆã†ãª UIViewController
{{#tags}}- {{label}}
{{/tags}}