{"id":310,"date":"2026-09-06T01:24:08","date_gmt":"2026-09-05T17:24:08","guid":{"rendered":"https:\/\/www.ziliaochi.cn\/index.php\/2026\/09\/06\/interview-mobile-performance-25q\/"},"modified":"2026-09-06T01:24:08","modified_gmt":"2026-09-05T17:24:08","slug":"interview-mobile-performance-25q","status":"publish","type":"post","link":"https:\/\/www.ziliaochi.cn\/index.php\/2026\/09\/06\/interview-mobile-performance-25q\/","title":{"rendered":"\u79fb\u52a8\u7aef\u6027\u80fd\u4f18\u5316 25 \u95ee\uff1a\u542f\u52a8\u3001\u5185\u5b58\u3001\u6d41\u7545\u6027\u4e0e\u5305\u4f53\u79ef"},"content":{"rendered":"<div style=\"font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",\"PingFang SC\",\"Hiragino Sans GB\",\"Microsoft YaHei\",sans-serif;font-size:16.5px;line-height:1.9;color:#35435c;letter-spacing:.2px\">\n<div style=\"background:linear-gradient(135deg,#f5f9ff,#eef5ff);border:1px solid #dce8f8;border-left:4px solid #7b68ee;border-radius:12px;padding:16px 20px;margin:0 0 24px;font-size:14.5px;color:#3d5570;line-height:2\"><span style=\"display:inline-block;background:#7b68ee;color:#fff;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:6px;margin-right:12px;letter-spacing:1px;vertical-align:1px\">\u5173\u952e\u8bcd<\/span>\u79fb\u52a8\u6027\u80fd\u9762\u8bd5\u3001\u542f\u52a8\u4f18\u5316\u3001\u5185\u5b58\u6cc4\u6f0f\u3001\u6389\u5e27\u3001\u5305\u4f53\u79ef\u3001\u5f31\u7f51\u4f18\u5316<\/div>\n<div style=\"background:#fafbfd;border:1px solid #e8edf5;border-radius:12px;padding:18px 22px;margin:0 0 30px\">\n<div style=\"font-size:13.5px;font-weight:700;color:#8a99ae;letter-spacing:2px;margin-bottom:12px\">\u76ee\u5f55<\/div>\n<ol style=\"margin:0;padding-left:20px\">\n<li style=\"margin:8px 0;font-size:15px;line-height:1.6\"><a href=\"#sec-1\" style=\"color:#42546e;text-decoration:none;border:none\">\u4e00\u3001\u542f\u52a8\u4f18\u5316\uff086 \u95ee\uff09<\/a><\/li>\n<li style=\"margin:8px 0;font-size:15px;line-height:1.6\"><a href=\"#sec-2\" style=\"color:#42546e;text-decoration:none;border:none\">\u4e8c\u3001\u5185\u5b58\u4f18\u5316\uff086 \u95ee\uff09<\/a><\/li>\n<li style=\"margin:8px 0;font-size:15px;line-height:1.6\"><a href=\"#sec-3\" style=\"color:#42546e;text-decoration:none;border:none\">\u4e09\u3001\u6e32\u67d3\u6d41\u7545\u6027\uff086 \u95ee\uff09<\/a><\/li>\n<li style=\"margin:8px 0;font-size:15px;line-height:1.6\"><a href=\"#sec-4\" style=\"color:#42546e;text-decoration:none;border:none\">\u56db\u3001\u5305\u4f53\u79ef\u4e0e\u7f51\u7edc\uff087 \u95ee\uff09<\/a><\/li>\n<\/ol>\n<\/div>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\"><span style=\"font-size:17px;color:#1e2f47\">\u79fb\u52a8\u7aef\u6027\u80fd\u4f18\u5316\u7684\u9762\u8bd5\u8d8a\u6765\u8d8a\u50cf\u300c\u5f00\u653e\u8bbe\u8ba1\u9898\u300d\uff1a\u9762\u8bd5\u5b98\u629b\u51fa\u300c\u542f\u52a8\u6162\u600e\u4e48\u529e\u300d\u300c\u6389\u5e27\u600e\u4e48\u6392\u67e5\u300d\uff0c\u8003\u5bdf\u7684\u662f\u65b9\u6cd5\u8bba\u4e0e\u5de5\u5177\u94fe\u7684\u5b8c\u6574\u5ea6\u3002\u8fd9\u4efd 25 \u95ee\u6309\u542f\u52a8\u3001\u5185\u5b58\u3001\u6e32\u67d3\u6d41\u7545\u6027\u3001\u5305\u4f53\u79ef\u4e0e\u7f51\u7edc\u4e94\u4e2a\u677f\u5757\u7ec4\u7ec7\uff0c\u53cc\u7aef\uff08Android 17 \/ iOS 27 \u65f6\u4ee3\uff09\u901a\u7528\u601d\u8def\u4e3a\u4e3b\uff0c\u5e73\u53f0\u5dee\u5f02\u5355\u72ec\u6807\u6ce8\u3002<\/p>\n<h2 style=\"font-size:23px;line-height:1.45;font-weight:700;color:#0f1c2e;margin:46px 0 18px;padding:0 0 12px 14px;border-left:5px solid #7b68ee;border-bottom:1px solid #eef2f7;letter-spacing:.3px\" id=\"sec-1\">\u4e00\u3001\u542f\u52a8\u4f18\u5316\uff086 \u95ee\uff09<\/h2>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">1. \u542f\u52a8\u9636\u6bb5\u600e\u4e48\u5212\u5206\uff1f\u5404\u9636\u6bb5\u4f18\u5316\u91cd\u70b9\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u51b7\u542f\u52a8 = \u8fdb\u7a0b\u521b\u5efa \u2192 Application \u521d\u59cb\u5316 \u2192 \u9996\u5e27\u6e32\u67d3 \u2192 \u9996\u5c4f\u53ef\u4ea4\u4e92\u3002\u91cd\u70b9\u4f9d\u6b21\u662f\uff1a\u5ef6\u8fdf\u975e\u5fc5\u8981\u521d\u59cb\u5316\uff08\u542f\u52a8\u4efb\u52a1\u7f16\u6392\uff0c\u6309\u4f9d\u8d56\u5206\u9636\u6bb5\uff09\u3001\u9996\u5c4f\u5e03\u5c40\u7b80\u5316\uff08\u51cf\u5c11\u5d4c\u5957\u5c42\u7ea7\uff09\u3001\u6570\u636e\u9884\u53d6\uff08splash \u671f\u95f4\u5e76\u884c\u8bf7\u6c42\uff09\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">2. Application \u91cc\u6700\u5bb9\u6613\u72af\u7684\u9519\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u540c\u6b65\u521d\u59cb\u5316\u4e00\u5806 SDK\u3002\u7b54\u6848\u6846\u67b6\uff1a\u628a\u521d\u59cb\u5316\u62c6\u6210\u300c\u542f\u52a8\u5fc5\u9700 \/ \u9996\u5e27\u524d \/ \u5f02\u6b65\u53ef\u5ef6\u8fdf\u300d\u4e09\u6863\uff0c\u7528\u6709\u5411\u65e0\u73af\u56fe\u7ba1\u7406\u4f9d\u8d56\uff0c\u5f02\u6b65\u6863\u4e22\u5230\u9996\u5e27\u540e\u7684\u7a7a\u95f2\u671f\u3002iOS \u5bf9\u5e94 +load \u4e0e didFinishLaunching \u7684\u7626\u8eab\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">3. \u600e\u4e48\u6d4b\u91cf\u542f\u52a8\u8017\u65f6\u624d\u51c6\u786e\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u53cc\u53e3\u5f84\uff1a\u5b9e\u9a8c\u5ba4\uff08\u5f55\u5c4f\u9010\u5e27\u5206\u6790 \/ \u6253\u70b9\u65e5\u5fd7\uff09\u4e0e\u7ebf\u4e0a RUM\uff08\u9996\u5e27\u65f6\u95f4 p75\/p90\uff09\u3002\u52a0\u5206\u70b9\uff1a\u8bf4\u660e\u300c\u70b9\u51fb\u56fe\u6807\u5230\u9996\u5e27\u300d\u4e0e\u300c\u9996\u5e27\u5230\u53ef\u4ea4\u4e92\u300d\u8981\u5206\u5f00\u770b\uff0c\u7528\u6237\u611f\u77e5\u7684\u662f\u540e\u8005\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">4. \u9996\u5c4f\u6570\u636e\u8fd8\u6ca1\u56de\u6765\u600e\u4e48\u529e\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u7f13\u5b58\u515c\u5e95\uff08\u4e0a\u6b21\u6570\u636e\u7684\u5feb\u7167\u5148\u6e32\u67d3\uff09+ \u9aa8\u67b6\u5c4f + \u589e\u91cf\u5237\u65b0\u3002\u300c\u5148\u5c55\u793a\u65e7\u6570\u636e\u300d\u6bd4\u300c\u767d\u7b49\u65b0\u6570\u636e\u300d\u4f53\u9a8c\u597d\u5f97\u591a\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">5. \u542f\u52a8\u4f18\u5316\u5230\u4ec0\u4e48\u7a0b\u5ea6\u7b97\u5230\u5934\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u770b\u6536\u76ca\u66f2\u7ebf\uff1a\u4f18\u5316\u6536\u76ca\u9012\u51cf\u65f6\u8f6c\u6295\u5165\u4e0b\u4e00\u9636\u6bb5\u3002\u7ed9\u51fa\u57fa\u51c6\uff1a\u51b7\u542f\u52a8 p75 \u63a7\u5236\u5728 1.5\u20132s \u5185\uff08\u4e2d\u7aef\u673a\u578b\uff09\u662f\u5f53\u524d\u4e3b\u6d41\u6807\u51c6\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">6. \u591a\u8fdb\u7a0b\u5e94\u7528\uff08Android\uff09\u542f\u52a8\u6709\u4ec0\u4e48\u7279\u6b8a\u95ee\u9898\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u4f1a\u8d70\u4e00\u904d Application \u521d\u59cb\u5316\u2014\u2014\u6309\u8fdb\u7a0b\u540d\u533a\u5206\u521d\u59cb\u5316\u5185\u5bb9\uff0c\u975e\u4e3b\u8fdb\u7a0b\u53ea\u505a\u6700\u5c0f\u521d\u59cb\u5316\u3002<\/p>\n<figure style=\"margin:30px 0;text-align:center\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.ziliaochi.cn\/wp-content\/uploads\/2026\/09\/interview-mobile-performance-25q-fig.png\" alt=\"\u6027\u80fd\u95ee\u9898\u7684\u6392\u67e5\u77e9\u9635\" class=\"wp-image-309\" style=\"max-width:100%;height:auto;border-radius:12px;border:1px solid #e6ecf4;box-shadow:0 8px 24px rgba(15,30,60,.07)\" srcset=\"https:\/\/www.ziliaochi.cn\/wp-content\/uploads\/2026\/09\/interview-mobile-performance-25q-fig.png 1200w, https:\/\/www.ziliaochi.cn\/wp-content\/uploads\/2026\/09\/interview-mobile-performance-25q-fig-300x225.png 300w, https:\/\/www.ziliaochi.cn\/wp-content\/uploads\/2026\/09\/interview-mobile-performance-25q-fig-1024x768.png 1024w, https:\/\/www.ziliaochi.cn\/wp-content\/uploads\/2026\/09\/interview-mobile-performance-25q-fig-768x576.png 768w, https:\/\/www.ziliaochi.cn\/wp-content\/uploads\/2026\/09\/interview-mobile-performance-25q-fig-800x600.png 800w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption style=\"margin-top:12px;font-size:13.5px;color:#7b8aa0;text-align:center;line-height:1.75\"><\/figcaption><\/figure>\n<h2 style=\"font-size:23px;line-height:1.45;font-weight:700;color:#0f1c2e;margin:46px 0 18px;padding:0 0 12px 14px;border-left:5px solid #7b68ee;border-bottom:1px solid #eef2f7;letter-spacing:.3px\" id=\"sec-2\">\u4e8c\u3001\u5185\u5b58\u4f18\u5316\uff086 \u95ee\uff09<\/h2>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">7. \u5185\u5b58\u4f18\u5316\u7684\u6307\u6807\u600e\u4e48\u770b\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">PSS\/\u5185\u5b58\u6c34\u4f4d\uff08Android\uff09\u3001footprint\uff08iOS\uff09\uff1b\u66f4\u5173\u952e\u7684\u662f\u300c\u9ad8\u6c34\u4f4d\u8bbe\u5907\u5360\u6bd4\u300d\u4e0e OOM \u7387\u3002OOM \u4e0d\u629b\u5e38\u89c4\u5f02\u5e38\uff0c\u9760\u5185\u5b58\u66f2\u7ebf + \u9875\u9762\u8f68\u8ff9\u5f52\u56e0\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">8. \u56fe\u7247\u5185\u5b58\u600e\u4e48\u6cbb\u7406\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u6309\u663e\u793a\u5c3a\u5bf8\u89e3\u7801\uff08\u4e0b\u91c7\u6837\uff09\u3001\u5408\u7406\u683c\u5f0f\uff08HEIC\/WebP\uff09\u3001\u5217\u8868\u56fe\u7247\u590d\u7528\u4e0e\u6309\u9700\u53d6\u6d88\u89e3\u7801\u3001\u5927\u56fe\u7981\u6b62\u5e38\u9a7b\u5185\u5b58\u3002\u56fe\u7247\u901a\u5e38\u5360 App \u5185\u5b58\u4e00\u534a\u4ee5\u4e0a\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">9. \u5185\u5b58\u6cc4\u6f0f\u7684\u9ad8\u53d1\u70b9\u4e0e\u6392\u67e5\u5de5\u5177\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u9759\u6001\u6301\u6709 Activity\/View\u3001\u76d1\u542c\u5668\u672a\u6ce8\u9500\u3001Handler \u5ef6\u8fdf\u6d88\u606f\u3001\u95ed\u5305\u5faa\u73af\u5f15\u7528\uff08iOS \u7684 delegate\/Block\uff09\u3002\u5de5\u5177\uff1aAndroid Profiler + LeakCanary\u3001Xcode Memory Graph + Instruments Leaks\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">10. \u5faa\u73af\u5f15\u7528\u4ec0\u4e48\u65f6\u5019\u9700\u8981\u5f31\u5f15\u7528\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u4e24\u4e2a\u5bf9\u8c61\u4e92\u76f8\u5f3a\u6301\u6709\u5373\u6210\u73af\u3002\u89c4\u5219\uff1adelegate \u7528 weak\uff1bBlock \u6355\u83b7 self \u65f6\u8981\u4e48 weak-strong dance\uff0c\u8981\u4e48\u786e\u4fdd Block \u751f\u547d\u5468\u671f\u77ed\u4e8e self\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">11. \u5927\u5bf9\u8c61\u7f13\u5b58\u600e\u4e48\u8bbe\u8ba1\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">LRU + \u5bb9\u91cf\u4e0a\u9650 + \u6309\u5185\u5b58\u538b\u529b\u964d\u7ea7\uff08onTrimMemory \/ didReceiveMemoryWarning \u65f6\u6e05\u7f13\u5b58\uff09\u3002\u7b54\u51fa\u300c\u7f13\u5b58\u8981\u6709\u6e05\u7a7a\u7b56\u7565\u300d\u5373\u5408\u683c\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">12. \u5185\u5b58\u6296\u52a8\u4e3a\u4ec0\u4e48\u5371\u9669\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">\u77ed\u751f\u547d\u5468\u671f\u5bf9\u8c61\u9ad8\u9891\u521b\u5efa\u56de\u6536 \u2192 GC \u9891\u7e41 \u2192 \u505c\u987f \u2192 \u6389\u5e27\u3002\u5bf9\u7b56\uff1a\u5bf9\u8c61\u6c60\u3001\u590d\u7528\u3001\u907f\u514d\u5728 onDraw\/\u7ed8\u5236\u56de\u8c03\u91cc\u5206\u914d\u5bf9\u8c61\u3002<\/p>\n<h2 style=\"font-size:23px;line-height:1.45;font-weight:700;color:#0f1c2e;margin:46px 0 18px;padding:0 0 12px 14px;border-left:5px solid #7b68ee;border-bottom:1px solid #eef2f7;letter-spacing:.3px\" id=\"sec-3\">\u4e09\u3001\u6e32\u67d3\u6d41\u7545\u6027\uff086 \u95ee\uff09<\/h2>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">13. \u6389\u5e27\u7684\u5224\u5b9a\u6807\u51c6\u4e0e\u6d4b\u91cf\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 0;letter-spacing:.2px\">Android\uff1aJanky frames \u6bd4\u4f8b + Choreographer \u6253\u70b9\uff1biOS\uff1aCADisplayLink \u76d1\u6d4b\u6216 MetricKit \u7684 hang rate\u3002\u76ee\u6807 60fps \u4e0b\u6bcf\u5e27 16.7ms\u3001\u9ad8\u5237\u5c4f 8.3ms\u3002<\/p>\n<h3 style=\"font-size:18.5px;line-height:1.55;font-weight:700;color:#18283e;margin:30px 0 12px;padding-left:12px;border-left:3px solid #7b68ee40\">14. \u5217\u8868\u5361\u987f\u7684\u6392\u67e5\u8def\u5f84\uff1f<\/h3>\n<p style=\"font-size:16.2px;line-height:1.95;color:#35435c;margin:16px 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