ARC下也是可以查看引用计数的
1. 通过CoreFoundation框架API
NSLog(@"Retain Count is %ld ", CFGetRetainCount((__bridge CFTypeRef)self));
控制台打印:
Retain Count is 7
2. 通过KVC
NSLog(@"Retain Count is %@ ", [self valueForKey:@"retainCount"]);
控制台打印:
Retain Count is 7
网友评论