{"id":900,"date":"2023-09-15T13:08:00","date_gmt":"2023-09-15T12:08:00","guid":{"rendered":"https:\/\/mobile.lebara.com\/gb\/en\/blog\/?p=900"},"modified":"2023-09-27T13:22:35","modified_gmt":"2023-09-27T12:22:35","slug":"what-is-background-app-refresh","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/","title":{"rendered":"\u4ec0\u4e48\u662f\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\uff1f"},"content":{"rendered":"<p>\u5728\u6570\u5b57\u65f6\u4ee3\uff0c\u6211\u4eec\u90fd\u4e60\u60ef\u4e8e\u5e0c\u671b\u81ea\u5df1\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u8bbe\u5907\u80fd\u591f\u65e0\u7f1d\u8fd0\u884c\u3002\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\u662f\u7ecf\u5e38\u88ab\u5ffd\u89c6\u7684\u529f\u80fd\u4e4b\u4e00\uff0c\u4f46\u5b83\u5728\u786e\u4fdd\u6d41\u7545\u4f53\u9a8c\u65b9\u9762\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u4f46\u5b83\u7a76\u7adf\u662f\u4ec0\u4e48\uff1f\u5b83\u53c8\u662f\u5982\u4f55\u5f71\u54cd\u6211\u4eec\u7684\u65e5\u5e38\u79fb\u52a8\u4f7f\u7528\u7684\u5462\uff1f<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Apple_Background_App_Refresh\" >\u82f9\u679c\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Refresh_Apps_Why_Its_Important\" >\u5237\u65b0\u5e94\u7528\u7a0b\u5e8f\uff1a\u4e3a\u4f55\u91cd\u8981<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Background_App_Refresh_Not_Working_Common_Issues\" >\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\u4e0d\u8d77\u4f5c\u7528\uff1a\u5e38\u89c1\u95ee\u9898<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Background_App_Refreshing_How_to_Manage_It\" >\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\uff1a\u5982\u4f55\u7ba1\u7406<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#The_Mechanics_of_Apples_BAR\" >\u82f9\u679c BAR \u7684\u673a\u5236<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Adaptive_Learning\" >\u9002\u5e94\u6027\u5b66\u4e60<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Connectivity_Considerations\" >\u8fde\u63a5\u8003\u8651\u56e0\u7d20<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Optimising_BAR_for_Enhanced_Performance\" >\u4f18\u5316 BAR \u4ee5\u63d0\u9ad8\u6027\u80fd<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Customising_App_Preferences\" >\u81ea\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u9996\u9009\u9879<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Understand_Push_vs_Fetch\" >\u4e86\u89e3\u63a8\u9001\u4e0e\u83b7\u53d6<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Myths_and_Misunderstandings\" >\u795e\u8bdd\u4e0e\u8bef\u89e3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Always_On_Equals_Always_Refreshing\" >\u59cb\u7ec8\u4fdd\u6301\u5f00\u673a\u7b49\u4e8e\u59cb\u7ec8\u4fdd\u6301\u6e05\u723d\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#BAR_Drains_Your_Battery_Significantly\" >BAR 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ez-toc-heading-17\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Permission-Based_Operations\" >\u57fa\u4e8e\u6743\u9650\u7684\u64cd\u4f5c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#Smart_Optimisation_Techniques\" >\u667a\u80fd\u4f18\u5316\u6280\u672f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/#The_Influence_on_App_Developers\" >\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4eba\u5458\u7684\u5f71\u54cd<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Apple_Background_App_Refresh\"><\/span>\u82f9\u679c\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/blog.lebara.co.uk\/zh\/a-guide-to-the-top-iphones-for-business-and-pleasure\/\">\u82f9\u679c<\/a> iOS 7 \u5f15\u5165\u4e86\u540e\u53f0\u5e94\u7528\u5237\u65b0 (BAR) \u529f\u80fd\u3002BAR \u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u5728\u672a\u4f7f\u7528\u65f6\u68c0\u67e5\u66f4\u65b0\u548c\u65b0\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u65b0\u95fb app \u53ef\u80fd\u4f1a\u83b7\u53d6\u6700\u65b0\u7684\u5934\u6761\u65b0\u95fb\uff0c\u6216\u8005\u5929\u6c14 app \u53ef\u80fd\u4f1a\u66f4\u65b0\u5929\u6c14\u9884\u62a5\uff0c\u5373\u4f7f\u5b83\u4eec\u5f53\u524d\u5e76\u672a\u5728\u4f60\u7684\u5c4f\u5e55\u4e0a\u6253\u5f00\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e00\u529f\u80fd\u53ef\u786e\u4fdd\u60a8\u5728\u6253\u5f00\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u6700\u65b0\u6570\u636e\u5df2\u7ecf\u5b58\u5728\uff0c\u65e0\u9700\u7b49\u5f85\u624b\u52a8\u66f4\u65b0\u3002\u8fd9\u662f\u4e00\u9879\u6709\u52a9\u4e8e\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u7684\u5de7\u5999\u6280\u672f\uff0c\u56e0\u4e3a\u5b83\u5728\u5b9e\u65f6\u6570\u636e\u53ef\u7528\u6027\u548c\u9ad8\u6548\u7387\u4e4b\u95f4\u67b6\u8d77\u4e86\u4e00\u5ea7\u6865\u6881\u3002 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/10-ways-to-make-a-phone-battery-last-longer\/\">\u7535\u6c60<\/a> \u4f7f\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Refresh_Apps_Why_Its_Important\"><\/span>\u5237\u65b0\u5e94\u7528\u7a0b\u5e8f\uff1a\u4e3a\u4f55\u91cd\u8981<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5237\u65b0\u5e94\u7528\u7a0b\u5e8f\u80cc\u540e\u7684\u7406\u5ff5\u662f\u4fdd\u6301\u5176\u76f8\u5173\u6027\u3002\u8ba9\u6211\u4eec <a href=\"https:\/\/blog.lebara.co.uk\/zh\/how-does-face-recognition-on-mobile-phones-work\/\">\u8138\u5e9e<\/a> \u6211\u4eec\u662f\u4e00\u4e2a\u6e34\u671b\u83b7\u5f97\u5373\u65f6\u4fe1\u606f\u7684\u793e\u4f1a\u3002\u65e0\u8bba\u662f\u793e\u4ea4\u5a92\u4f53\u901a\u77e5\u8fd8\u662f\u6700\u65b0\u7684\u4f53\u80b2\u6bd4\u5206\uff0c\u5ef6\u8fdf\u90fd\u4f1a\u4ee4\u4eba\u6cae\u4e27\u3002BAR \u4e3a\u8fd9\u79cd\u5373\u65f6\u6027\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002<\/p>\n\n\n\n<p>\u5f53\u5e94\u7528\u7a0b\u5e8f\u5728\u540e\u53f0\u5b9a\u671f\u5237\u65b0\u65f6\uff0c\u4e0d\u4ec5\u6709\u52a9\u4e8e\u66f4\u5feb\u5730\u8bbf\u95ee\u5185\u5bb9\uff0c\u8fd8\u80fd\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u529f\u80fd\u4fdd\u6301\u6700\u4f73\u72b6\u6001\u3002\u8fd9\u79cd\u540e\u53f0\u64cd\u4f5c\u53ef\u51cf\u5c11\u518d\u6b21\u8bbf\u95ee\u5e94\u7528\u7a0b\u5e8f\u65f6\u7684\u52a0\u8f7d\u65f6\u95f4\uff0c\u4ece\u800c\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Background_App_Refresh_Not_Working_Common_Issues\"><\/span>\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\u4e0d\u8d77\u4f5c\u7528\uff1a\u5e38\u89c1\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>BAR 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BAR\uff0c\u7531\u4e8e\u5404\u79cd\u539f\u56e0\uff08\u5305\u62ec\u8f6f\u4ef6\u6545\u969c\uff09\uff0c\u67d0\u4e9b\u5e94\u7528\u7a0b\u5e8f\u4e5f\u53ef\u80fd\u65e0\u6cd5\u5728\u540e\u53f0\u5237\u65b0\u3002<\/li><\/ul>\n\n\n\n<p>\u5982\u679c\u4f60\u9047\u5230\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\u65e0\u6cd5\u6309\u9884\u671f\u8fd0\u884c\u7684\u95ee\u9898\uff0c\u4e0d\u59a8\u6df1\u5165\u4e86\u89e3\u4e00\u4e0b\u4f60\u7684\u8bbe\u7f6e\u3002\u786e\u4fdd\u5df2\u542f\u7528\u8be5\u529f\u80fd\uff0c\u5e76\u4e14\u5404\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u6709\u5237\u65b0\u6743\u9650\u3002\u6709\u65f6\uff0c\u53ea\u9700\u5173\u95ed BAR \u8bbe\u7f6e\uff0c\u7136\u540e\u518d\u91cd\u65b0\u6253\u5f00\uff0c\u5c31\u80fd\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Background_App_Refreshing_How_to_Manage_It\"><\/span>\u540e\u53f0\u5e94\u7528\u7a0b\u5e8f\u5237\u65b0\uff1a\u5982\u4f55\u7ba1\u7406<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u867d\u7136 BAR \u65e0\u7591\u5f88\u65b9\u4fbf\uff0c\u4f46\u660e\u667a\u5730\u7ba1\u7406\u5b83\u4e5f\u81f3\u5173\u91cd\u8981\u3002\u5b9a\u671f\u68c0\u67e5\u54ea\u4e9b\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u5728\u540e\u53f0\u5237\u65b0\u3002\u4f18\u5148\u9009\u62e9\u4f60\u7ecf\u5e38\u4f7f\u7528\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u7981\u7528\u4e0d\u5e38\u7528\u5e94\u7528\u7a0b\u5e8f\u7684 BAR\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u7535\u6c60\u5bff\u547d\u6216\u6570\u636e\u7684\u60c5\u51b5\u4e0b\u4eab\u53d7\u66f4\u65b0\u5185\u5bb9\u5e26\u6765\u7684\u597d\u5904\u3002<\/p>\n\n\n\n<p>\u786e\u4fdd\u60a8\u7684\u8bbe\u5907\u6709\u6700\u65b0\u7684\u8f6f\u4ef6\u66f4\u65b0\u4e5f\u6709\u52a9\u4e8e BAR \u7684\u6700\u4f73\u8fd0\u884c\u3002Apple \u4f1a\u7ecf\u5e38\u53d1\u5e03\u66f4\u65b0\uff0c\u4fee\u590d\u6f0f\u6d1e\u5e76\u63d0\u9ad8\u8bbe\u5907\u7684\u6574\u4f53\u6027\u80fd\uff0c\u5176\u4e2d\u5305\u62ec\u5bf9 BAR \u7b49\u529f\u80fd\u7684\u6539\u8fdb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Mechanics_of_Apples_BAR\"><\/span>\u82f9\u679c BAR \u7684\u673a\u5236<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u82f9\u679c\u7684 BAR \u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u83b7\u53d6\u548c\u66f4\u65b0\u8fc7\u7a0b\u3002\u7cfb\u7edf\u4f1a\u8003\u8651\u5404\u79cd\u56e0\u7d20\uff0c\u6bd4\u5982\u4f60\u7684\u5e94\u7528\u4f7f\u7528\u4e60\u60ef\uff0c\u6765\u51b3\u5b9a\u4f55\u65f6\u6fc0\u6d3b\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adaptive_Learning\"><\/span>\u9002\u5e94\u6027\u5b66\u4e60<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>iOS \u8bbe\u5907\u4f1a\u5b66\u4e60\u4f60\u7684\u4f7f\u7528\u6a21\u5f0f\u3002\u5982\u679c\u4f60\u503e\u5411\u4e8e\u6bcf\u5929\u65e9\u4e0a\u67e5\u770b\u67d0\u4e2a\u7279\u5b9a\u7684\u65b0\u95fb app\uff0ciOS \u4f1a\u6ce8\u610f\u5230\u8fd9\u4e00\u70b9\uff0c\u5e76\u5141\u8bb8\u8be5 app \u5728\u4f60\u901a\u5e38\u6253\u5f00\u5b83\u4e4b\u524d\u5237\u65b0\u3002\u4f60\u5f88\u5c11\u4f7f\u7528\u7684\u5e94\u7528\u4e5f\u662f\u5982\u6b64\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u7cfb\u7edf\u4f1a\u8ba4\u8bc6\u5230\u8fd9\u4e00\u70b9\uff0c\u5e76\u9650\u5236\u6b64\u7c7b\u5e94\u7528\u7684\u540e\u53f0\u5237\u65b0\u9891\u7387\uff0c\u4ece\u800c\u8282\u7701\u6570\u636e\u548c\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Connectivity_Considerations\"><\/span>\u8fde\u63a5\u8003\u8651\u56e0\u7d20<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e0e\u67d0\u4e9b\u4eba\u7684\u60f3\u6cd5\u76f8\u53cd\uff0cBAR \u5e76\u4e0d\u4f1a\u5bf9\u4f60\u7684\u6570\u636e\u72c2\u8f70\u6ee5\u70b8\u3002\u5982\u679c\u4f60\u7684\u8bbe\u5907\u8bc6\u522b\u51fa\u4f60\u7684\u6570\u636e\u8ba1\u5212\u6709\u9650\uff0c\u6216\u8005\u4f60\u7684\u6570\u636e\u5df2\u63a5\u8fd1\u4e0a\u9650\uff0c\u5b83\u5c31\u4f1a\u9650\u5236\u901a\u8fc7\u8702\u7a9d\u6570\u636e\u66f4\u65b0\u5e94\u7528\u7a0b\u5e8f\u3002\u6b64\u5916\uff0c\u5927\u591a\u6570\u8bbe\u5907\u90fd\u4f1a\u8bbe\u7f6e\u4e3a\u5728\u8fde\u63a5\u5230 Wi-Fi \u65f6\u4f18\u5148\u66f4\u65b0\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ee5\u786e\u4fdd\u5c06\u6570\u636e\u8d39\u964d\u5230\u6700\u4f4e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optimising_BAR_for_Enhanced_Performance\"><\/span>\u4f18\u5316 BAR \u4ee5\u63d0\u9ad8\u6027\u80fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8981\u8ba9 BAR \u53d1\u6325\u6700\u5927\u4f5c\u7528\uff0c\u4e0d\u4ec5\u4ec5\u662f\u6253\u5f00\u6216\u5173\u95ed\u5b83\u90a3\u4e48\u7b80\u5355\u3002\u60a8\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u7ec6\u5fae\u7684\u5dee\u522b\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Customising_App_Preferences\"><\/span>\u81ea\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u9996\u9009\u9879<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728 iOS \u8bbe\u7f6e\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6307\u5b9a\u8981\u542f\u7528\u6216\u7981\u7528 BAR \u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4e5f\u8bb8\u4f60\u4e0d\u9700\u8981\u5076\u5c14\u73a9\u7684\u6e38\u620f\u7684\u6301\u7eed\u66f4\u65b0\uff0c\u4f46\u5e0c\u671b\u53ca\u65f6\u6536\u5230\u7535\u5b50\u90ae\u4ef6\u901a\u77e5\u3002\u5b9a\u5236\u8fd9\u4e9b\u8bbe\u7f6e\u53ef\u4ee5\u8ba9\u4f60\u63a7\u5236\u8bbe\u5907\u7684\u6027\u80fd\u548c\u6570\u636e\u6d88\u8017\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understand_Push_vs_Fetch\"><\/span>\u4e86\u89e3\u63a8\u9001\u4e0e\u83b7\u53d6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5e76\u975e\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u90fd\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\u4f7f\u7528 BAR\u3002\u6709\u4e9b\u4f9d\u8d56\u4e8e \"\u63a8\u9001 \"\u673a\u5236\uff0c\u5373\u670d\u52a1\u5668\u5728\u6709\u65b0\u6570\u636e\u65f6\u53d1\u9001\u4fe1\u606f\u3002\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u5219\u5b9a\u671f \"\u83b7\u53d6 \"\u6570\u636e\u3002\u8bc6\u522b\u54ea\u4e9b\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4e86\u89e3\u6f5c\u5728\u7684\u6570\u636e\u4f7f\u7528\u548c\u7535\u6c60\u6d88\u8017\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Myths_and_Misunderstandings\"><\/span>\u795e\u8bdd\u4e0e\u8bef\u89e3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5bf9\u4e8e\u4efb\u4f55\u6280\u672f\u529f\u80fd\uff0c\u603b\u4f1a\u5b58\u5728\u4e00\u4e9b\u8bef\u89e3\u3002\u6d88\u9664\u5bf9 BAR \u7684\u4e00\u4e9b\u8bef\u89e3\uff0c\u53ef\u4ee5\u8ba9\u4eba\u4eec\u66f4\u597d\u3001\u66f4\u660e\u667a\u5730\u4f7f\u7528\u5b83\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Always_On_Equals_Always_Refreshing\"><\/span>\u59cb\u7ec8\u4fdd\u6301\u5f00\u673a\u7b49\u4e8e\u59cb\u7ec8\u4fdd\u6301\u6e05\u723d\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e00\u4e2a\u5e38\u89c1\u7684\u8bef\u89e3\u662f\uff0c\u5982\u679c\u542f\u7528\u4e86 BAR\uff0c\u5e94\u7528\u7a0b\u5e8f\u5c31\u4f1a\u4e0d\u65ad\u5237\u65b0\u3002\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\u3002\u82f9\u679c\u7684\u7cfb\u7edf\u66f4\u52a0\u667a\u80fd\uff0c\u4f1a\u6839\u636e\u4f7f\u7528\u6a21\u5f0f\u9009\u62e9\u6700\u4f73\u5237\u65b0\u65f6\u95f4\uff0c\u786e\u4fdd\u5c06\u5bf9\u7528\u6237\u7684\u5e72\u6270\u964d\u5230\u6700\u4f4e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BAR_Drains_Your_Battery_Significantly\"><\/span>BAR \u4f1a\u5927\u91cf\u6d88\u8017\u7535\u6c60\u7535\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u867d\u7136\u4efb\u4f55\u7a0b\u5e8f\u90fd\u4f1a\u6d88\u8017\u7535\u6c60\u7535\u91cf\uff0c\u4f46 BAR \u7684\u5f71\u54cd\u5f80\u5f80\u88ab\u5938\u5927\u3002\u5b83\u7684\u81ea\u9002\u5e94\u5b66\u4e60\u673a\u5236\u610f\u5473\u7740\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u5b83\u7684\u6548\u7387\u4f1a\u8d8a\u6765\u8d8a\u9ad8\u3002\u901a\u8fc7\u7ba1\u7406\u8bbe\u7f6e\u5e76\u786e\u4fdd\u53ea\u6709\u5fc5\u8981\u7684\u5e94\u7528\u7a0b\u5e8f\u624d\u542f\u7528 BAR\uff0c\u7528\u6237\u53ef\u4ee5\u51cf\u5c11\u7535\u6c60\u7684\u5927\u91cf\u6d88\u8017\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BAR_Works_Independently_of_App_Usage\"><\/span>BAR \u53ef\u72ec\u7acb\u5de5\u4f5c\uff0c\u4e0d\u53d7\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u60c5\u51b5\u7684\u5f71\u54cd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e00\u4e2a\u666e\u904d\u7684\u8bef\u89e3\u662f\uff0cBAR \u7684\u529f\u80fd\u5b8c\u5168\u4e0d\u53d7\u7528\u6237\u884c\u4e3a\u7684\u5f71\u54cd\u3002\u4e8b\u5b9e\u4e0a\uff0c\u8be5\u7cfb\u7edf\u662f\u6839\u636e\u7528\u6237\u4f7f\u7528\u5e94\u7528\u7a0b\u5e8f\u7684\u65b9\u5f0f\u548c\u65f6\u95f4\u8fdb\u884c\u5b66\u4e60\u548c\u8c03\u6574\u7684\u3002\u5b83\u4e0d\u662f\u4e00\u4e2a\u5b64\u7acb\u8fd0\u884c\u7684\u65e0\u8d56\u529f\u80fd\uff0c\u800c\u662f\u4e00\u4e2a\u80fd\u6839\u636e\u4e2a\u4eba\u4f7f\u7528\u6a21\u5f0f\u8fdb\u884c\u8c03\u6574\u7684\u54cd\u5e94\u5de5\u5177\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Safety_Security_and_BAR\"><\/span>\u5b89\u5168\u3001\u5b89\u4fdd\u548c BAR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4efb\u4f55\u6d89\u53ca\u6570\u636e\u7684\u529f\u80fd <a href=\"https:\/\/blog.lebara.co.uk\/zh\/how-to-transfer-apps-to-a-new-phone\/\">\u8c03\u52a8<\/a> \u53ef\u80fd\u4f1a\u5f15\u8d77\u5b89\u5168\u65b9\u9762\u7684\u62c5\u5fe7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Encryption_and_Data_Transfer\"><\/span>\u52a0\u5bc6\u548c\u6570\u636e\u4f20\u8f93<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u65e0\u8bba\u662f\u4f7f\u7528 WLAN \u8fd8\u662f\u8702\u7a9d\u6570\u636e\uff0c\u901a\u8fc7 BAR \u4f20\u8f93\u7684\u6240\u6709\u6570\u636e\u90fd\u7ecf\u8fc7\u52a0\u5bc6\u3002\u8fd9\u53ef\u786e\u4fdd\u60a8\u7684\u4e2a\u4eba\u548c\u5e94\u7528\u7a0b\u5e8f\u6570\u636e\u5728\u66f4\u65b0\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Permission-Based_Operations\"><\/span>\u57fa\u4e8e\u6743\u9650\u7684\u64cd\u4f5c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u672a\u7ecf\u4f60\u7684\u540c\u610f\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e0d\u4f1a\u5728\u540e\u53f0\u5237\u65b0\u3002\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u5728\u5b89\u88c5\u65f6\u90fd\u4f1a\u8be2\u95ee\u662f\u5426\u53ef\u4ee5\u5728\u540e\u53f0\u5237\u65b0\u3002\u7528\u6237\u6709\u6743\u6388\u4e88\u6216\u62d2\u7edd\u8fd9\u4e00\u6743\u9650\uff0c\u4ece\u800c\u63a7\u5236\u81ea\u5df1\u7684\u6570\u636e\u548c\u8bbe\u5907\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Smart_Optimisation_Techniques\"><\/span>\u667a\u80fd\u4f18\u5316\u6280\u672f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u73b0\u4ee3 iOS \u8bbe\u5907\u914d\u5907\u4e86\u5148\u8fdb\u7684\u7535\u6e90\u7ba1\u7406\u7cfb\u7edf\u3002BAR 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href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-background-app-refresh\/\">\u66f4\u591a\u4fe1\u606f<\/a><\/div>","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-900","post","type-post","status-publish","format-standard","hentry","category-apps","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/comments?post=900"}],"version-history":[{"count":1,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/900\/revisions"}],"predecessor-version":[{"id":947,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/900\/revisions\/947"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/media?parent=900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/categories?post=900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/tags?post=900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}