KVOã®ãƒ¡ã‚½ãƒƒãƒ‰ã®æ†¶ãˆæ–¹ - QiitaKVOã¯ãŸã¾ã«ä½¿ã†ã®ã§ã„ã¤ã‚‚メソッドを忘れã¦ã—ã¾ã†ã€‚リファレンスや技術サイトを検索ã—ã¦ã‚‚KVOã«ã¤ã„ã¦ã®æŠ€è¡“å´é¢ã®èª¬æ˜ŽãŒå¤šããƒ¡ã‚½ãƒƒãƒ‰ã‚’ç´ æ—©ãæ€ã„出ã—ãŸã„ã¨ãã®ã‚µã‚¤ãƒˆãŒãªã„ã®ã§ã€ãã®ãƒ¡ãƒ¢ã€‚ 念ã®ãŸã‚ã€Xcodeã®ã‚¹ãƒ‹ãƒšãƒƒãƒˆã«ç™»éŒ²ã§ãるよã†ã«å¤‰æ•°éƒ¨åˆ†ã‚’テンプレート化ã—ã¦ã„る。 監視ã®ç™»éŒ²ã¨è§£é™¤ 登録 //KVOã®ç™»éŒ² [<#監視対象#> addObserver:<#監視ã™ã‚‹ã‚ªãƒ–ザーãƒ#> forKeyPath:<#監視対象ã®ãƒ—ãƒãƒ‘ティå#> options:<#監視ã™ã‚‹ãƒ‡ãƒ¼ã‚¿ã«ã©ã®ã‚ˆã†ãªç‰©ã‚’å«ã‚ã‚‹ã‹#> context:<#ä»»æ„ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹#>];
[Objective-C] KeyValueObserve（ã‚ー値監視）メモ - Qiita![[Objective-C] KeyValueObserve（ã‚ー値監視）メモ - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/6c78f4b6e52cf8f1d0a363166b6f402dcdbf07f0/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9JTVCT2JqZWN0aXZlLUMlNUQlMjBLZXlWYWx1ZU9ic2VydmUlRUYlQkMlODglRTMlODIlQUQlRTMlODMlQkMlRTUlODAlQTQlRTclOUIlQTMlRTglQTYlOTYlRUYlQkMlODklRTMlODMlQTElRTMlODMlQTImdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT01NiZ0eHQtY2xpcD1lbGxpcHNpcyZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTgzZDhiMDhlOWIxNmJjNzU5NDEyZTc5NTNmOTE4MWZi%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwZWRvX20xOCZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9MWZhNjI3N2Y5N2YyYmU4NTJmMzc3YzAyOGM1MTQ2NjA%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3Da26b337d0e26ac26a99fb24fa18b9ef1)
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Objective-C（抽象クラス）
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