perf-monitor | Simple UI component | Performance Testing library
kandi X-RAY | perf-monitor Summary
kandi X-RAY | perf-monitor Summary
Performance monitor. Simple UI component that helps you measure performance. Demo.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of perf-monitor
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QUESTION
I already read the question.
Understanding React Native Perf Monitor
but I could not understand clearly.
on react native docs perf monitor image
The views column has two values. I have two question.
1) What's meaning Views in this image? 2) Why divided 2 space in views column?
...ANSWER
Answered 2018-Jan-03 at 08:41React-Native uses Views for layout of the application - this is basically done with the tags View
and Text
, and some other containers for lists etc.
The top Views number shows the number of views that are currently displayed on the screen.
The bottom Views number shows the total number of views that are currently being rendered (layout and drawing calculations are performed for them), including those that are off-screen or that could be merged (like nested Text nodes, for example).
Since calculating layout for views is work that takes time, minimizing the difference between those two numbers is a way to optimize your app.
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