{"description":"NSUserDefaults \u306b\u306f NSUserDefaultsDidChangeNotification \u3068\u3044\u3046\u901a\u77e5\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066\u5909\u66f4\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308b\u4e8b\u304c\u3067\u304d\u308b\u3002 \u3053\u306e\u901a\u77e5\u306f userInfo \u304c nil \u306b\u306a\u3063\u3066\u3044\u3066\u3001\u4f55\u304c\u5909\u66f4\u3055\u308c\u305f\u306e\u304b\u5909\u66f4\u306e\u8a73\u7d30\u3092\u77e5\u308b\u4e8b\u304c\u3067\u304d\u306a\u3044\u3002 NSUserDefaults \u306e\u4f55\u306e\u30ad\u30fc\u304c\u5909\u66f4\u3055\u308c\u305f\u304b\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306b\u306f KVO \u3092\u4f7f\u3046\u3002 Notification \u3068\u9055\u3063\u3066 KVO \u3067\u306f observer \u3068\u3057\u3066\u767b\u9332\u3059\u308b\u969b\u306b\u5909\u66f4\u901a\u77e5\u3092\u53d7\u3051\u308b keyPath \u3092\u4e8b\u524d\u306b\u77e5\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u304c\u3001NSKeyValueObservingOptionNew NSKeyValueObs\u2026","blog_url":"https://koze.hatenablog.jp/","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkoze.hatenablog.jp%2Fentry%2F2015%2F06%2F23%2F230000\" title=\"NSUserDefaults \u306e\u5909\u66f4\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308b - ObjecTips\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Tips","Objective-C","NSUserDefaults","KVO"],"title":"NSUserDefaults \u306e\u5909\u66f4\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308b","published":"2015-06-23 23:00:00","height":"190","blog_title":"ObjecTips","provider_name":"Hatena Blog","image_url":null,"author_url":"https://blog.hatena.ne.jp/Koze/","version":"1.0","url":"https://koze.hatenablog.jp/entry/2015/06/23/230000","author_name":"Koze","width":"100%","type":"rich"}