我用代码构建试图识别器,为什么无法识别啊.我拖控件可以识别

Question

-----------------------------------------------------------------------------------@interface ImageView : UIView-(void)Up:(UIPanGestureRecognizer *)up;
@end------------------------------------------------------------------------------------
#import "ImageView.h"@implementation ImageView/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/-(void)Up:(UIPanGestureRecognizer *)up{
    NSLog(@"dsa");
}@end---------------------------------------------------------------------------------------
#import "ViewController.h"
#import "ImageView.h"@interface ViewController ()
@property ImageView * view1;@end@implementation ViewController//-(IBAction)handlePan:(UIPanGestureRecognizer* )sender
//{
//    NSLog(@"dsa");
//}
- (void)viewDidLoad {    [super viewDidLoad];//    self.view1.userInteractionEnabled = true;    // Do any additional setup after loading the view, typically from a nib.    [self.view1 addGestureRecognizer:[[UIPanGestureRecognizer alloc] initWithTarget:self.view1 action:@selector(Up:)]];
    
}
@end

Answer 1

这个属性要设置一下 拖控件 这个属性默认是 YES的