{"id":15766,"date":"2025-07-18T10:45:09","date_gmt":"2025-07-18T02:45:09","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=15766"},"modified":"2025-07-18T10:45:09","modified_gmt":"2025-07-18T02:45:09","slug":"%e6%a0%b9activity%e7%9a%84%e7%94%9f%e5%91%bd%e5%91%a8%e6%9c%9f","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=15766","title":{"rendered":"\u6839Activity\u7684\u751f\u547d\u5468\u671f"},"content":{"rendered":"<p><strong>\u95ee\u9898<\/strong>\uff1a\u4e3a\u4ec0\u4e48android\u7a0b\u5e8f\u542f\u52a8\u7684\u7b2c\u4e00\u4e2aactivity \uff0cback\u952e\u4e0d\u4f1a\u8d70onDestroy\u65b9\u6cd5\uff0c\u800c\u65b0\u5f00\u7684activity\u4f1a\uff1f<\/p>\n<p><strong>deepseek<\/strong>:\u5728 Android \u4e2d\uff0c<strong>Back \u952e\u662f\u5426\u89e6\u53d1 <code>onDestroy()<\/code> \u53d6\u51b3\u4e8e Activity \u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u548c\u4efb\u52a1\u6808\uff08Task Stack\uff09\u7684\u884c\u4e3a<\/strong>\u3002\u4ee5\u4e0b\u662f\u5173\u952e\u539f\u56e0\u5206\u6790\uff1a<\/p>\n<hr \/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=15766\/#1_%E6%A0%B9_Activity%EF%BC%88%E7%AC%AC%E4%B8%80%E4%B8%AA%E5%90%AF%E5%8A%A8%E7%9A%84_Activity%EF%BC%89%E6%8C%89_Back_%E9%94%AE\" title=\"1. \u6839 Activity\uff08\u7b2c\u4e00\u4e2a\u542f\u52a8\u7684 Activity\uff09\u6309 Back \u952e\">1. \u6839 Activity\uff08\u7b2c\u4e00\u4e2a\u542f\u52a8\u7684 Activity\uff09\u6309 Back \u952e<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=15766\/#2_%E5%90%8E%E7%BB%AD%E5%90%AF%E5%8A%A8%E7%9A%84_Activity_%E6%8C%89_Back_%E9%94%AE\" title=\"2. \u540e\u7eed\u542f\u52a8\u7684 Activity \u6309 Back \u952e\">2. \u540e\u7eed\u542f\u52a8\u7684 Activity \u6309 Back \u952e<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=15766\/#3_%E6%A0%B8%E5%BF%83%E5%B7%AE%E5%BC%82%EF%BC%9A%E4%BB%BB%E5%8A%A1%E6%A0%88%E7%9A%84%E8%A7%92%E8%89%B2\" title=\"3. \u6838\u5fc3\u5dee\u5f02\uff1a\u4efb\u52a1\u6808\u7684\u89d2\u8272\">3. \u6838\u5fc3\u5dee\u5f02\uff1a\u4efb\u52a1\u6808\u7684\u89d2\u8272<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=15766\/#4_%E5%BC%80%E5%8F%91%E8%80%85%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9\" title=\"4. \u5f00\u53d1\u8005\u6ce8\u610f\u4e8b\u9879\">4. \u5f00\u53d1\u8005\u6ce8\u610f\u4e8b\u9879<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"1_%E6%A0%B9_Activity%EF%BC%88%E7%AC%AC%E4%B8%80%E4%B8%AA%E5%90%AF%E5%8A%A8%E7%9A%84_Activity%EF%BC%89%E6%8C%89_Back_%E9%94%AE\"><\/span>1. <strong>\u6839 Activity\uff08\u7b2c\u4e00\u4e2a\u542f\u52a8\u7684 Activity\uff09\u6309 Back \u952e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u884c\u4e3a<\/strong>\uff1a\u76f4\u63a5\u9000\u51fa\u5e94\u7528\uff0c\u4f46 <code>onDestroy()<\/code> \u53ef\u80fd\u4e0d\u4f1a\u7acb\u5373\u8c03\u7528\u3002<\/li>\n<li><strong>\u539f\u56e0<\/strong>\uff1a\n<ul>\n<li>\u5f53\u7528\u6237\u6309\u4e0b Back \u952e\u65f6\uff0c\u7cfb\u7edf\u4f1a\u8c03\u7528 <code>finish()<\/code> \u5173\u95ed\u5f53\u524d Activity\u3002<\/li>\n<li>\u5982\u679c\u8be5 Activity \u662f\u4efb\u52a1\u6808\u4e2d\u7684<strong>\u6700\u540e\u4e00\u4e2a Activity<\/strong>\uff08\u5373\u5e94\u7528\u7684\u6839 Activity\uff09\uff0c\u7cfb\u7edf\u4f1a\u9500\u6bc1\u6574\u4e2a\u4efb\u52a1\u6808\uff08Task\uff09\u3002<\/li>\n<li><strong>\u7cfb\u7edf\u53ef\u80fd\u5ef6\u8fdf\u9500\u6bc1<\/strong>\uff1a\u4e3a\u4e86\u4f18\u5316\u6027\u80fd\uff08\u4f8b\u5982\u5feb\u901f\u91cd\u65b0\u542f\u52a8\u5e94\u7528\uff09\uff0c\u7cfb\u7edf\u53ef\u80fd\u6682\u65f6\u4fdd\u7559\u6839 Activity \u7684\u8fdb\u7a0b\uff0c\u800c\u4e0d\u7acb\u5373\u8c03\u7528 <code>onDestroy()<\/code>\u3002\u4f46\u6700\u7ec8\u8fdb\u7a0b\u4f1a\u88ab\u56de\u6536\u3002<\/li>\n<li><strong>\u7528\u6237\u611f\u77e5<\/strong>\uff1a\u5e94\u7528\u5df2\u9000\u51fa\uff0c\u751f\u547d\u5468\u671f\u65b9\u6cd5\u7684\u8c03\u7528\u7531\u7cfb\u7edf\u8c03\u5ea6\uff0c\u5f00\u53d1\u8005\u4e0d\u5e94\u4f9d\u8d56 <code>onDestroy()<\/code> \u7684\u53ca\u65f6\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"2_%E5%90%8E%E7%BB%AD%E5%90%AF%E5%8A%A8%E7%9A%84_Activity_%E6%8C%89_Back_%E9%94%AE\"><\/span>2. <strong>\u540e\u7eed\u542f\u52a8\u7684 Activity \u6309 Back \u952e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u884c\u4e3a<\/strong>\uff1a\u5173\u95ed\u5f53\u524d Activity\uff0c\u8fd4\u56de\u4e0a\u4e00\u4e2a Activity\uff0c\u4e14 <code>onDestroy()<\/code> \u901a\u5e38\u4f1a\u88ab\u8c03\u7528\u3002<\/li>\n<li><strong>\u539f\u56e0<\/strong>\uff1a\n<ul>\n<li>\u65b0 Activity \u901a\u8fc7 <code>startActivity()<\/code> \u542f\u52a8\u540e\uff0c\u65e7 Activity \u4f1a\u8fdb\u5165 <code>onStop()<\/code>\uff08\u5982\u679c\u88ab\u5b8c\u5168\u8986\u76d6\uff09\u3002<\/li>\n<li>\u5f53\u7528\u6237\u5728\u65b0 Activity \u6309 Back \u952e\u65f6\uff1a\n<ol>\n<li>\u7cfb\u7edf\u9500\u6bc1\u5f53\u524d Activity\uff08\u89e6\u53d1 <code>onDestroy()<\/code>\uff09\u3002<\/li>\n<li>\u6062\u590d\u524d\u4e00\u4e2a Activity\uff08\u89e6\u53d1 <code>onStart()<\/code>\/<code>onResume()<\/code>\uff09\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u5173\u952e\u70b9<\/strong>\uff1a\u7cfb\u7edf\u9ed8\u8ba4\u8ba4\u4e3a\u540e\u7eed Activity \u662f\u201c\u4e34\u65f6\u201d\u7684\uff0c\u6309 Back \u952e\u610f\u5473\u7740\u7528\u6237\u4e0d\u518d\u9700\u8981\u5b83\uff0c\u56e0\u6b64\u76f4\u63a5\u9500\u6bc1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"3_%E6%A0%B8%E5%BF%83%E5%B7%AE%E5%BC%82%EF%BC%9A%E4%BB%BB%E5%8A%A1%E6%A0%88%E7%9A%84%E8%A7%92%E8%89%B2\"><\/span>3. <strong>\u6838\u5fc3\u5dee\u5f02\uff1a\u4efb\u52a1\u6808\u7684\u89d2\u8272<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u6839 Activity<\/strong>\uff1a\u662f\u4efb\u52a1\u6808\u7684\u57fa\u7840\u3002\u9500\u6bc1\u5b83\u4f1a\u8fde\u5e26\u6574\u4e2a\u4efb\u52a1\u6808\uff0c\u8fdb\u7a0b\u53ef\u80fd\u88ab\u4fdd\u7559\u6216\u6e05\u7406\uff08\u7531\u7cfb\u7edf\u51b3\u5b9a\uff09\u3002<\/li>\n<li><strong>\u975e\u6839 Activity<\/strong>\uff1a\u72ec\u7acb\u5b58\u5728\u4e8e\u6808\u4e2d\uff0c\u6309 Back \u952e\u4f1a\u5355\u72ec\u9500\u6bc1\u5b83\uff0c\u4e0d\u5f71\u54cd\u5176\u4ed6 Activity\uff08\u9664\u975e\u88ab\u8986\u76d6\u7684 Activity \u56e0\u8d44\u6e90\u4e0d\u8db3\u88ab\u7cfb\u7edf\u56de\u6536\uff09\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"4_%E5%BC%80%E5%8F%91%E8%80%85%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9\"><\/span>4. <strong>\u5f00\u53d1\u8005\u6ce8\u610f\u4e8b\u9879<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u4e0d\u8981\u4f9d\u8d56 <code>onDestroy()<\/code><\/strong>\uff1a\u56e0\u4e3a\u5b83\u7684\u8c03\u7528\u65f6\u673a\u4e0d\u786e\u5b9a\uff08\u5c24\u5176\u662f\u6839 Activity\uff09\u3002\u5e94\u4f7f\u7528 <code>onPause()<\/code> \u6216 <code>onStop()<\/code> \u5904\u7406\u5173\u952e\u91ca\u653e\u903b\u8f91\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u4e0d\u540c\u573a\u666f<\/strong>\uff1a\u5728\u4f4e\u5185\u5b58\u8bbe\u5907\u6216\u5f3a\u5236\u5173\u95ed\u5e94\u7528\u65f6\uff0c<code>onDestroy()<\/code> \u53ef\u80fd\u4e0d\u4f1a\u8c03\u7528\u3002<\/li>\n<li><strong>\u7406\u89e3\u4efb\u52a1\u6808<\/strong>\uff1a\u53ef\u901a\u8fc7 <code>android:launchMode<\/code> \u6216 Intent \u6807\u5fd7\uff08\u5982 <code>FLAG_ACTIVITY_NEW_TASK<\/code>\uff09\u8c03\u6574 Activity \u7684\u542f\u52a8\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u603b\u7ed3\uff1a\u8fd9\u79cd\u884c\u4e3a\u662f Android \u4efb\u52a1\u6808\u7ba1\u7406\u548c\u8d44\u6e90\u4f18\u5316\u7684\u7ed3\u679c\uff0c<strong>\u6839 Activity 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