hi, we are trying to fix it. It is because multi-thread draw text using textkit, now we are using coreText draw text, those crashes are less.
2017-09-06 10:38 GMT+08:00 张水生 <zhang.shuish...@immomo.com>: > Hi, Weex Team: > WXTextComponent view crashes intermittently with EXC_BAD_ACCESS > KERN_INVALID_ADDRESS in drawTextWithContext:bounds:padding:view: > at _drawGlyphsForGlyphRange:atPoint:. This happens rarely, Harder to > reproduce it locally. It is reported via Crashlytics often enough to be > concerning. > > Here is simple stack trace: > =================== > Crashed: com.taobao.weex.displayQueue > EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000000000020 > > Crashed: com.taobao.weex.displayQueue > 0 UIFoundation 0x195888ed4 _ > NSGlyphTreeMoveToCharacterIndex + 196 > 1 UIFoundation 0x195889fbc _ > NSGlyphTreeGlyphRangeForCharacterRange + 84 > 2 UIFoundation 0x19589f1f0 -[NSLayoutManager(NSPrivate) > _drawGlyphsForGlyphRange:atPoint:] + 4512 > ==================== > I can't reproduce the issue locally, so I don't have a solution. My best > guess is that NSTextContainer > is being released while being drawn. > ==================== > Weex SDK version: 0.12.0 > Platform: iOS (iOS 10 and up) > Mac OS 10.12.3 > > Sincerely sheng. > > > > >
