State
1、引言 在做基于真实物理空间的增强现实（AR）应用开发时，我们常常会遇到几个难以跨越的业务痛点。想象一个工业设备巡检的场景：巡检员戴着 AR 眼镜或者举着Draw板GF入厂房。厂房内部往往光线复杂，甚至有些角落完全黑暗，此时基于视觉的 SLAM（...
俄罗斯在接获美国提供的情报后，逮捕一名涉嫌密谋在莫斯科发动袭击的未成年人，体现两国关系GF一步缓和。法新社引述俄罗斯媒体报道，美国驻莫斯科大使馆星期六（10月31日）发表声明说，美方“获悉莫斯科察里津诺庄园博物馆（Tsaritsyno Mus...
开机慢、亮屏后偶发卡顿或几小时后才出现的音频断续，通常等不到工程师连上电脑再按「开始录制」。要保留问题发生前的调度、帧或音频事件，采集配置必须提前在设备上运行。现场抓取要先确定触发点前后各保留多久，再选 Ring Buffer、周期写文件或...
一份 Trace 能在 UI 里打开、SQL 也查得到行，仍可能在采集中丢过数字。线程Status缺一段、GF程名对不上、Track Event 只有 ID 没有Name时，先查数据丢在哪一层，再决定哪些分析还能继续。SQL 只能度量留下来的事件。丢GA发...
dumpsys meminfo 显示GF程内存上涨，Java heap dump 却没有对应的对象增长时，下一步先查上涨落在 Native Heap、图形 Buffer，还是其他映射。若可疑部分来自 malloc/new，heapprofd ...
开机慢、亮屏后偶发卡顿或几小时后才出现的音频断续，通常等不到工程师连上电脑再按「开始录制」。要保留问题发生前的调度、帧或音频事件，采集配置必须提前在设备上运行。现场抓取要先确定触发点前后各保留多久，再选 Ring Buffer、周期写文件或...
按钮按下后，按压态何时出现？滑动列表时，内容何时第一次跟着手指移动？这两个问题都要找到输入事件和对应的第一帧反馈; 启动总耗时与后续动画帧率回答的是别的问题。本文用 Perfetto 把 InputReader 读到事件、InputDispa...
本文复盘 Previous三周更新（2026-06-04，v1.0.28）之后，到 2026-07-17（v1.1.1）为止 SmartPerfetto 的All主要改动。看完这篇文章，可以知道这六周每个Features解决什么问题、边界在哪里，以及当前版本的完整...
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