{"id":162,"date":"2023-12-09T18:16:58","date_gmt":"2023-12-09T10:16:58","guid":{"rendered":"https:\/\/www.jishuge.cn\/?p=162"},"modified":"2023-12-09T18:17:43","modified_gmt":"2023-12-09T10:17:43","slug":"lifecycle%e7%ae%80%e5%8d%95%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95%e3%80%82","status":"publish","type":"post","link":"https:\/\/blog.jishuge.cn\/?p=162","title":{"rendered":"Lifecycle\u7b80\u5355\u4f7f\u7528\u65b9\u6cd5\u3002"},"content":{"rendered":"\n<p>Lifecycle\u7684\u7ec4\u4ef6\u4f5c\u7528\u5c31\u662f\u89e3\u8026Activity\u7684\u751f\u547d\u5468\u671f\uff0c\u6ca1\u5f53Activity\u7684\u751f\u547d\u5468\u671f\u6539\u53d8\u4e4b\u540e\u901a\u77e5Lifecycle\u89c2\u5bdf\u8005\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\uff0c\u5bfc\u5165Lifecycle\u4f9d\u8d56<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"groovy\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">implementation(\"androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1\")\nimplementation(\"androidx.lifecycle:lifecycle-viewmodel-compose:2.6.1\")\nimplementation(\"androidx.lifecycle:lifecycle-livedata-ktx:2.6.1\")<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\uff0c\u5efa\u7acb\u4e00\u4e2a\u89c2\u5bdf\u8005\uff0c\u5b9e\u73b0DefaultLifecycleObserver\u63a5\u53e3<\/h3>\n\n\n\n<p>\u91cd\u5199DefaultLifecycleObserver\u7684\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u6bd4\u5982\u6211\u4eec\u8981\u89c2\u5bdfActivity\u7684onStart\u3001onStop\u5468\u671f\u51fd\u6570\uff0c\u90a3\u4e48\u5c31\u91cd\u5199\u8fd9\u4e24\u4e2a\u51fd\u6570\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import android.util.Log\nimport androidx.lifecycle.DefaultLifecycleObserver\nimport androidx.lifecycle.LifecycleOwner\n\nclass TestModel(var names:String):DefaultLifecycleObserver {\n\n    lateinit var name:String\n\n    init{\n        this.name = names\n    }\n\n    override fun onStart(owner: LifecycleOwner) {\n        Log.e(\"Xiang\",\"\u6267\u884c\u4e86start $name\")\n    }\n\n    override fun onStop(owner: LifecycleOwner) {\n        Log.e(\"Xiang\",\"\u6267\u884c\u4e86stop $name\")\n    }\n\n\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\uff0c\u7ed1\u5b9a\u5230Activity\u53bb\u3002<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class MainActivity : ComponentActivity() {\n    override fun onCreate(savedInstanceState: Bundle?) {\n        super.onCreate(savedInstanceState)\n        \/\/\u6dfb\u52a0\u89c2\u5bdf\u8005\n        lifecycle.addObserver(TestModel(\"kt\"))\n        setContent {\n            Text(text = \"hi Android\")\n        }\n    }\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53MainActivity \u8fd9\u4e2aActivity\u7684\u751f\u547d\u5468\u671f\u53d1\u751f\u53d8\u5316\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u89c2\u5bdf\u8005TestModel\u4e2d\u540c\u6b65\u5bf9\u5e94\u7684\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Lifecycle\u7684\u7ec4\u4ef6\u4f5c\u7528\u5c31\u662f\u89e3\u8026Activity\u7684\u751f\u547d\u5468\u671f\uff0c\u6ca1\u5f53Activity\u7684\u751f\u547d\u5468\u671f\u6539\u53d8\u4e4b\u540e\u901a\u77e5Li &hellip; <a href=\"https:\/\/blog.jishuge.cn\/?p=162\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Lifecycle\u7b80\u5355\u4f7f\u7528\u65b9\u6cd5\u3002<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":159,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[20,22,21],"class_list":["post-162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-android","tag-android","tag-kotlin","tag-lifecycle"],"_links":{"self":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts\/162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=162"}],"version-history":[{"count":2,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts\/162\/revisions"}],"predecessor-version":[{"id":164,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts\/162\/revisions\/164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/media\/159"}],"wp:attachment":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}