摘要:
配置动画时,加上一下两句animation.removedOnCompletion = NO;animation.fillMode = kCAFillModeForwards; 阅读全文
摘要:
使用 __bridge 关键字来实现id类型与void*类型的相互转换。看下面的例子。id obj = [[NSObject alloc] init];void *p = (__bridge void *)obj;id o = (__bridge id)p;__bridge_retained先来看使... 阅读全文