Better support for iOS 13.5.1

[qxy1004]

Echarts is the only library that meets the complex UI requirements for us. It works perfectly on Android, but for iOS, UI keep frozen on simulator and real devices.

[entronad]

1. Did this occures in iOS 13, but works well in lower iOS ?
2. Did you put the chart on/under any gesture ditector(ScrollView, Button, GestureDetector)
3. Did this happened only after you touched the chart (or something near the chart)?

[qxy1004]

Thanks for response so quickly.

1. It seems not only iOS 13.5.1 but also iOS 13.4.1 has the same issue. I couldn't test it on lower version yet.
2. I used Expanded widget to layout this chart. No any gesture or detector.
3. Yes, it only happened when I touched the chart or scroll the chart. When it is initialised, everything is working before I release my first touch or scroll.

What I do notice from your example is the container has given width and height. In my case, I used Expended widget that can stretch the chart. Is it the case? But Android seems happy with that?

[qxy1004]

I don't know what happened, all existing code is working without any changes... NO crash NO frozen... But there is another one happening on iOS only (No Android) is the chart can move around by dragging it. Any solution for that?

[mellowcello77]

I don't know what happened, all existing code is working without any changes... NO crash NO frozen... But there is another one happening on iOS only (No Android) is the chart can move around by dragging it. Any solution for that?

Same issue here, don't know how to work around it. Something to do with the webview. Did you find a solution yet?

[entronad]

Please see and discuss in this issue: #104 .