zyw113 / zywstock Goto Github PK
View Code? Open in Web Editor NEWiOS股票K线图(放大缩小,长按高亮,横竖屏切换,分时图,流畅丝滑) 如果正好帮到了你,给个赞呗。O(∩_∩)O~~
License: Apache License 2.0
iOS股票K线图(放大缩小,长按高亮,横竖屏切换,分时图,流畅丝滑) 如果正好帮到了你,给个赞呗。O(∩_∩)O~~
License: Apache License 2.0
1.存在严重的内存泄露。ChartView 滑动时存在线性的内存增长。
ZYWCandleChartView.m
CGMutablePathRef redRef = CGPathCreateMutable();
CGMutablePathRef greenRef = CGPathCreateMutable();
这个需要手动释放。
// add
CGPathRelease(redRef);
CGPathRelease(greenRef);
2.浏览了代码,思路是在scrollview上放置ChartView。
这样做是有问题的,数据不断增长,ChartView的宽度可以无限变大。
3.可以只绘制当前界面需要显示的K线,减少不必要的开销。
希望可以添加详细注释,想好好学学
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.