-1
编译器标记我的三元运算符,并表示它预期]
而不是kGraySquare
。 我做错了什么?使用宏方法调用三元编译器错误
#define kGreenSquare [UIImage [email protected]"distance_on"]
#define kGraySquare [UIImage [email protected]"distance_off"]
@implementation DistanceIndicatorView
{
NSMutableArray<UIImageView*>*items;
}
- (void)drawRect:(CGRect)rect {
items = [[NSMutableArray<UIImageView*> alloc] initWithCapacity:10];
NSInteger offset = 0;
for (int i = 0; i<10; i++){
[items addObject:[[UIImageView alloc] initWithFrame:CGRectMake(offset, 0, 8, 8)]];
[items[i] setImage:_distance<i?kGreenSquare:kGraySquare];
offset += 10;
}
}
你错过了':'尝试[UIImage imageNamed:@“distance_on”] – iYoung
这么愚蠢的错误!谢谢你,IYoung! –
如果回答您的问题,您能否将答案标记为已接受? – iYoung