{"id":203905,"date":"2025-05-22T13:19:24","date_gmt":"2025-05-22T05:19:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203905\/"},"modified":"2025-05-22T13:19:24","modified_gmt":"2025-05-22T05:19:24","slug":"android-databinding%e8%a7%86%e5%9b%be%e4%b8%8d%e6%9b%b4%e6%96%b0%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203905\/","title":{"rendered":"Android DataBinding\u89c6\u56fe\u4e0d\u66f4\u65b0\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Android DataBinding\u89c6\u56fe\u4e0d\u66f4\u65b0\u600e\u4e48\u529e\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aAndroid DataBinding\u89c6\u56fe\u4e0d\u66f4\u65b0\u600e\u4e48\u529e\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241130\/1732962652674ae95c0ae43.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>databinding \u89c6\u56fe\u66f4\u65b0\u4e0d\u8d77\u4f5c\u7528\u7684\u539f\u56e0<\/strong><\/p>\n<p>\u5728 android \u5f00\u53d1\u4e2d\uff0c\u5982\u679c\u4f7f\u7528\u4e86 databinding \u6570\u636e\u7ed1\u5b9a\uff0c\u5076\u5c14\u4f1a\u51fa\u73b0\u89c6\u56fe\u4e0d\u66f4\u65b0\u7684\u60c5\u51b5\u3002\u8fd9\u901a\u5e38\u662f\u7531\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\u5bfc\u81f4\u7684\uff1a<\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> databinding \u89c6\u56fe\u4e0d\u66f4\u65b0\uff0c\u5373\u4f7f\u66f4\u65b0\u4e86 viewmodel \u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p><strong>\u89e3\u91ca\uff1a<\/strong><\/p>\n<p>databinding \u9700\u8981\u4e00\u4e2a lifecycleowner\uff08\u901a\u5e38\u662f activity \u6216 fragment\uff09\u6765\u8ddf\u8e2a\u89c6\u56fe\u7684\u72b6\u6001\u548c\u751f\u547d\u5468\u671f\u3002\u5982\u679c\u672a\u5c06 lifecycleowner \u8bbe\u7f6e\u4e3a databinding \u5e03\u5c40\uff0c\u5219 databinding \u5c06\u4e0d\u4f1a\u6ce8\u610f\u5230\u6570\u636e\u66f4\u6539\uff0c\u56e0\u6b64\u65e0\u6cd5\u66f4\u65b0\u89c6\u56fe\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8bf7\u5c06\u53ef\u89c1\u7684\u751f\u547d\u5468\u671f\u6240\u6709\u8005\u8bbe\u7f6e\u4e3a databinding \u5e03\u5c40\uff1a<\/p>\n<pre>binding.setLifecycleOwner(activity);<\/pre>\n<p>\u5176\u4e2d binding \u662f\u60a8\u7684 viewdatabinding \u5bf9\u8c61\uff0cactivity \u662f\u5305\u542b\u8be5\u5e03\u5c40\u7684\u6d3b\u52a8\u3002<\/p>\n<p>\u901a\u8fc7\u8bbe\u7f6e\u751f\u547d\u5468\u671f\u6240\u6709\u8005\uff0cdatabinding \u5c31\u53ef\u4ee5\u5728\u54cd\u5e94\u89c6\u56fe\u751f\u547d\u5468\u671f\u66f4\u6539\u65f6\u66f4\u65b0\u89c6\u56fe\u7ed1\u5b9a\u5bf9\u8c61\u4e2d\u89c2\u5bdf\u5230\u7684\u6570\u636e\u3002\u8fd9\u5c06\u786e\u4fdd\u5728\u66f4\u65b0 viewmodel \u6570\u636e\u65f6\u66f4\u65b0\u89c6\u56fe\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aAndroid DataBinding\u89c6\u56fe\u4e0d\u66f4\u65b0\u600e\u4e48\u529e\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Android DataBind&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203905","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203905"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203905\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}