Flutter Performance Profiling — Jank issue

Generate performance metrics and record the timeline by integration tests

Evan Fang
5 min readJun 29, 2022

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I’ve been looking for a way to monitor the app performance by generating the metrics automatically for each build. Thus I can make sure any improvement does enhance the app.

Performance issues can be divided into many categories, including speed, memory, app size, and energy. Today, let’s focus on the speed issue(jank) and find a way to trace them. According to the official documentation, there are 2 ways to…

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