- [NSCFSet invalidate]：无法识别的选择器

Question

*** -[NSCFSet invalidate]: unrecognized selector sent to instance 0x4726190

*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFSet invalidate]: unrecognized selector sent to instance 0x4726190'

Stack: (
    40895051,
    2477298953,
    41166651,
    40629526,
    40626194,
    23371,
    2792390,
    3262677,
    3271439,
    3266626,
    2915688,
    2810349,
    2841671,
    49254780,
    40435772,
    40431688,
    49248413,
    49248610,
    2833889,
    9956,
    9810
)

如何纠正这个问题？

Answer 1

听起来你的NSTimer实例已经发布了。你应该确保保留你的实例来调用它的方法。