[英]View is not updating when the button is clicked
问题是单击该按钮时,它没有更新! 它并没有像代码中那样隐藏或显示对象。 我想念什么?
视图控制器
@interface ViewController : UIViewController {
BOOL clicked1;
BOOL clicked2;
}
@property (strong, nonatomic) IBOutlet UIImageView *buttonbg1;
@property (strong, nonatomic) IBOutlet UIImageView *buttonbg11;
@property (strong, nonatomic) IBOutlet UIImageView *buttonbg111;
@property (strong, nonatomic) IBOutlet UIButton *exaa1;
@property (strong, nonatomic) IBOutlet UIButton *exab2;
- (IBAction)exaa1:(id)sender;
- (IBAction)exab2:(id)sender;
@end
视图控制器
- (IBAction)exaa1:(id)sender {
clicked1 = YES;
}
- (IBAction)exab2:(id)sender {
clicked2 = YES;
}
- (void)example1 {
[_exaa1 setTitle:@"1111" forState:UIControlStateNormal];
[_exab2 setTitle:@"2222" forState:UIControlStateNormal];
if (clicked1) {
_buttonbg111.hidden = NO;
_buttonbg11.hidden = YES;
_buttonbg1.hidden = YES;
NSLog(@"1");
} else if(clicked2) {
_buttonbg11.hidden = NO;
_buttonbg1.hidden = YES;
_buttonbg111.hidden = YES;
NSLog(@"2");
}
}
*- (IBAction)exaa1:(id)sender {
clicked1 = YES;
[self example1];
}
- (IBAction)exab2:(id)sender {
clicked2 = YES;
[self example1];
}
- (void)example1 {
[_exaa1 setTitle:@"1111" forState:UIControlStateNormal];
[_exab2 setTitle:@"2222" forState:UIControlStateNormal];
if (clicked1) {
_buttonbg111.hidden = NO;
_buttonbg11.hidden = YES;
_buttonbg1.hidden = YES;
NSLog(@"1");
} else if(clicked2) {
_buttonbg11.hidden = NO;
_buttonbg1.hidden = YES;
_buttonbg111.hidden = YES;
NSLog(@"2");
}
}*
您只是忘了在两个IBActions方法中都调用方法example1。 您只需将[self example1]记入两个IBActions方法中。 然后您将获得准确的输出。
您忘记在两个按钮IBAction方法中都调用example1
方法
Please refer the following corrected code
- (IBAction)exaa1:(id)sender {
clicked1 = YES;
clicked2 = NO;
[self example1];
}
- (IBAction)exab2:(id)sender {
clicked2 = YES;
clicked1 = NO;
[self example1];
}
- (void)example1 {
[_exaa1 setTitle:@"1111" forState:UIControlStateNormal];
[_exab2 setTitle:@"2222" forState:UIControlStateNormal];
if (clicked1) {
_buttonbg111.hidden = NO;
_buttonbg11.hidden = YES;
_buttonbg1.hidden = YES;
NSLog(@"1");
} else if(clicked2) {
_buttonbg11.hidden = NO;
_buttonbg1.hidden = YES;
_buttonbg111.hidden = YES;
NSLog(@"2");
}
}
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