KVO 防crash KVO_IS_RETAINING_ALL
2020-11-20 本文已影响0人
东方诗空
crash 原因：
对观察者的炒作没有成对添加和移除
解决方案：
防crash 做好保护，采用本地成对存储添加和删除做判断防crash
Crashed: com.apple.main-thread
0 libobjc.A.dylib 0x180a5e7e8 object_isClass + 16
1 Foundation 0x181f013e8 KVO_IS_RETAINING_ALL_OBSERVERS_OF_THIS_OBJECT_IF_IT_CRASHES_AN_OBSERVER_WAS_OVERRELEASED_OR_SMASHED + 68
2 Foundation 0x181eff8ec NSKeyValueWillChangeWithPerThreadPendingNotifications + 300
3 QuartzCore 0x18555a6dc CAAnimation_setter(CAAnimation*, unsigned int, _CAValueType, void const*) + 156
4 QuartzCore 0x18555d388 -[CAPropertyAnimation setKeyPath:] + 32
