Try This, Erste UIImageView erstellen
@interface ViewController()
{
UIImageView *imageView;
}
und schreibe diesen Code unter viewDiloa
d() Funktion
imageView = [[UIImageView alloc]initWithFrame:CGRectMake(self.slider.frame.origin.x, self.slider.frame.origin.y-20, 20, 10)];
imageView.image = [UIImage imageNamed:@"navigateImage.png"];
[self.view addSubview:imageView];
[self.slider addTarget:self action:@selector(sliderValueChanged:) forControlEvents:UIControlEventValueChanged];
und stell 'die Slider Event-Funktion
-(void)sliderValueChanged:(UISlider *)slider{
CGRect trackRect = [self.slider trackRectForBounds:self.slider.bounds];
CGRect thumbRect = [self.slider thumbRectForBounds:self.slider.bounds
trackRect:trackRect
value:self.slider.value];
CGRect r = [imageView frame];
r.origin.x = thumbRect.origin.x;
[imageView setFrame:r];
NSLog(@"%f",thumbRect.origin.x);
}
ich Formatierung und Klarheit der Frage verbessert und das Bild des Schiebers enthalten. – zx485