{"id":10842,"date":"2021-09-07T13:38:57","date_gmt":"2021-09-07T05:38:57","guid":{"rendered":"https:\/\/www.bookcard.net\/wordpress\/?p=10842"},"modified":"2021-09-07T13:38:57","modified_gmt":"2021-09-07T05:38:57","slug":"android_onconfigurationchanged","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/android_onconfigurationchanged\/","title":{"rendered":"Android\u7981\u7a0b\u5f0f\u983b\u7e41\u8c03\u7528onCreate"},"content":{"rendered":"<figure id=\"attachment_10843\" aria-describedby=\"caption-attachment-10843\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2021\/09\/Android_onConfigurationChanged.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10843\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2021\/09\/Android_onConfigurationChanged.jpg\" alt=\"Android\u7981\u7a0b\u5f0f\u983b\u7e41\u8c03\u7528onCreate\" width=\"1280\" height=\"800\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2021\/09\/Android_onConfigurationChanged.jpg 1280w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2021\/09\/Android_onConfigurationChanged-300x188.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2021\/09\/Android_onConfigurationChanged-768x480.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/a><figcaption id=\"caption-attachment-10843\" class=\"wp-caption-text\">Android\u7981\u7a0b\u5f0f\u983b\u7e41\u8c03\u7528onCreate<\/figcaption><\/figure>\n<p>Android\u624b\u6a5f\u300e\u65b9\u5411\u5207\u6362\u300f\u300e\u6ed1\u51fa\u9375\u76d8\u300f, Android\u6703\u8a8d\u70ba\u914d\u7f6e\u6539\u8b8a, \u5c06\u9500\u6bc1\u5e76\u91cd\u555f\u7a0b\u5f0f. \u8abf\u7528activity:onCreate()\u6703\u5927\u91cf\u5360\u7528CPU\u6642\u9593. \u4fc2\u6e38\u6232\u9020\u6210500ms\u4ee5\u4e0a\u90fd\u5514\u53ef\u63a5\u53d7. \u7de8\u8f2f\u300eAndroidManifest.xml\u300f\u4fc2\u300e&lt;activity&gt;\u300f\u5143\u7d20\u300econfigChanges\u300f\u5c5e\u52a0\u5165\u300eorientation\u65b9\u5411\u5207\u6362\u300f\u540c\u300ekeyboardHidden\u6ed1\u51fa\u9375\u76d8\u300f\u300ekeyboard\u63d2\u5165\u952e\u76d8\u300f. \u4fc2MainActivity\u91cd\u8f7donConfigurationChanged ()\u81ea\u5df1\u8655\u7406, \u9054\u7f6e \u300e\u65b9\u5411\u5207\u6362\u300f\u300e\u6ed1\u51fa\u9375\u76d8\u300f\u5187\u9700\u518d\u6b21\u8c03\u5468onCreate().<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"575\">AndroidManifest.xml<\/td>\n<\/tr>\n<tr>\n<td width=\"575\">&lt;activity<\/p>\n<p>android:name=&#8221;.MainActivity&#8221;<\/p>\n<p>android:configChanges=&#8221;keyboard|keyboardHidden|orientation&#8221;&gt;<\/p>\n<p>&lt;\/activity&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"575\">MainActivity<\/td>\n<\/tr>\n<tr>\n<td width=\"575\">\u00a0\u00a0\u00a0 @Override<\/p>\n<p>public void onConfigurationChanged(Configuration newConfig) {<\/p>\n<p>if(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {\/\/ \u6a2a\u5411<\/p>\n<p>}<\/p>\n<p>else<\/p>\n<p>if(newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {\/\/ \u7eb5\u5411<\/p>\n<p>}<\/p>\n<p>if(newConfig.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO )\u00a0\u00a0 \u00a0{\/\/\u00a0 \u663e\u793a\u952e\u76d8<\/p>\n<p>}<\/p>\n<p>super.onConfigurationChanged(newConfig);<\/p>\n<p>}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Android\u624b\u6a5f\u300e\u65b9\u5411\u5207\u6362\u300f\u300e\u6ed1\u51fa\u9375\u76d8\u300f, Android\u6703\u8a8d\u70ba\u914d\u7f6e\u6539\u8b8a, \u5c06\u9500\u6bc1\u5e76\u91cd\u555f\u7a0b\u5f0f. \u8abf\u7528acti &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/android_onconfigurationchanged\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">Android\u7981\u7a0b\u5f0f\u983b\u7e41\u8c03\u7528onCreate<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[2],"class_list":["post-10842","post","type-post","status-publish","format-standard","hentry","category-android","tag-android","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/10842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=10842"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/10842\/revisions"}],"predecessor-version":[{"id":10844,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/10842\/revisions\/10844"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=10842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=10842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=10842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}