zbser opened a new issue #3099: [iOS] Textarea组件在使用的时候，首次出现异常卡顿的情况 URL: https://github.com/apache/incubator-weex/issues/3099 使用的weex版本是 0.28.0，iOS环境下，Xcode Version 11.3 (11C29) 第一次渲染<textarea>会出现卡顿的情况，卡顿时间有点长，感受很明显。 而且把整个vue文件就精简到就一个<textarea>的依然如此... Xcode的控制条还会打印出如下的信息： 2019-12-29 23:19:54.618318+0800 weextoolkit[9827:2216298] [reports] Main Thread Checker: UI API called on a background thread: -[UITextView font] PID: 9827, TID: 2216298, Thread name: com.taobao.weex.component, Queue name: com.apple.root.default-qos.overcommit, QoS: 0 Backtrace: 4 weextoolkit 0x0000000100fc570c __35-[WXTextAreaComponent measureBlock]_block_invoke + 340 5 weextoolkit 0x0000000100e7293c ZL18flexCssNodeMeasurePN8WeexCore16WXCoreLayoutNodeEfNS_11MeasureModeEfS2 + 336 6 weextoolkit 0x0000000100d6d188 _ZN8WeexCore16WXCoreLayoutNode15measureLeafNodeEffbb + 304 7 weextoolkit 0x0000000100d6cb08 _ZN8WeexCore16WXCoreLayoutNode19hypotheticalMeasureEffb + 116 8 weextoolkit 0x0000000100d6dca4 _ZN8WeexCore16WXCoreLayoutNode12measureChildEPS0_fffbb + 364 9 weextoolkit 0x0000000100d6ccd4 _ZN8WeexCore16WXCoreLayoutNode19measureInternalNodeEffbb + 404 10 weextoolkit 0x0000000100d6cae4 _ZN8WeexCore16WXCoreLayoutNode19hypotheticalMeasureEffb + 80 11 weextoolkit 0x0000000100d6ba6c _ZN8WeexCore16WXCoreLayoutNode7measureEffb + 68 12 weextoolkit 0x0000000100d6b410 _ZN8WeexCore16WXCoreLayoutNode15calculateLayoutERKNSt3__14pairIffEE + 252 13 weextoolkit 0x0000000100deb978 _ZN8WeexCore10RenderPage15CalculateLayoutEv + 116 14 weextoolkit 0x0000000100def884 _ZN8WeexCore10RenderPage11LayoutInnerEv + 28 15 weextoolkit 0x0000000100def970 _ZN8WeexCore10RenderPage17LayoutImmediatelyEv + 40 16 weextoolkit 0x0000000100d2b154 _ZN8WeexCore18CoreSideInPlatform11ForceLayoutERKNSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE + 72 17 weextoolkit 0x0000000100ec1b34 +[WXCoreBridge layoutPage:forced:] + 424 18 weextoolkit 0x0000000100ea0e60 -[WXComponentManager _layout] + 156 19 weextoolkit 0x0000000100ea0d38 -[WXComponentManager _layoutAndSyncUI] + 40 20 weextoolkit 0x0000000100ea0a20 -[WXComponentManager _handleDisplayLink] + 352 21 weextoolkit 0x0000000100ea2170 -[WXComponentManager handleDisplayLink] + 40 22 weextoolkit 0x0000000100ee4b64 -[WXDisplayLinkManager _handleDisplayLink] + 304 23 GPUToolsCore 0x00000001020695f8 -[DYDisplayLinkInterposer forwardDisplayLinkCallback:] + 168 24 QuartzCore 0x00000001a2ebb88c 84C3CD6E-F832-3F6F-BE62-5A4348853273 + 71820 25 QuartzCore 0x00000001a2f85694 84C3CD6E-F832-3F6F-BE62-5A4348853273 + 898708 26 CoreFoundation 0x000000019c4e38ac 1B9B1E61-8CB4-3903-9870-402C3DE959BB + 526508 27 CoreFoundation 0x000000019c50d07c 1B9B1E61-8CB4-3903-9870-402C3DE959BB + 696444 28 CoreFoundation 0x000000019c50c7a8 1B9B1E61-8CB4-3903-9870-402C3DE959BB + 694184 29 CoreFoundation 0x000000019c50767c 1B9B1E61-8CB4-3903-9870-402C3DE959BB + 673404 30 CoreFoundation 0x000000019c506adc CFRunLoopRunSpecific + 464 31 Foundation 0x000000019c8467f4 503900AF-2ECD-329F-B742-C07C3E672BEB + 30708 32 weextoolkit 0x0000000100e93c38 -[WXComponentManager _runLoopThread] + 332 33 Foundation 0x000000019c9770a4 503900AF-2ECD-329F-B742-C07C3E672BEB + 1278116 34 libsystem_pthread.dylib 0x000000019c2a9d8c _pthread_start + 156 35 libsystem_pthread.dylib 0x000000019c2ad76c thread_start + 8 有具体解决方案吗？
---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
