我有一個的UIImageView和滑塊的圖。滑塊最小1最大10.當移動滑塊時,UIImageView應顯示不同的圖像。滑塊是1 test1.png將顯示,滑塊是2 test2.png將顯示,滑塊是3 test3.png將顯示等...改變一個UIImageView圖像與滑塊
在Interface Builder中,我已經連接IBOutlet滑塊到水平滑塊,IBOutlet圖像到圖像查看,& IBAction爲changeImage到水平滑塊「值改爲」
我投滑塊浮動爲int。在IBAction changeImage中放置NSLog語句以確保方法正在被調用,它是。構建時沒有收到任何錯誤消息。但是,當我構建&在UIImageView中的模擬器圖像中運行並移動滑塊不會更改。這個問題必須是我碰到牆的「邏輯」,並且無法解決。
#import <UIKit/UIKit.h>
@interface SliderViewController : UIViewController {
IBOutlet UISlider *slider;
IBOutlet UIImageView *image;
}
@property (nonatomic, retain) IBOutlet UISlider *slider;
@property (nonatomic, retain) IBOutlet UIImageView *image;
- (IBAction)changeImage;
@end
#import "SliderViewController.h"
@implementation SliderViewController
@synthesize slider;
@synthesize image;
- (IBAction)changeImage {
NSLog(@"changeImage method being called!!!!");
int intSlider = (int)(slider.value);
if (intSlider == 0) {
image.image = [UIImage imageNamed:@"ash1.png"];
}
if (intSlider == 1) {
image.image = [UIImage imageNamed:@"ash2.png"];
}
if (intSlider == 2) {
image.image = [UIImage imageNamed:@"ash3.png"];
}
if (intSlider == 3) {
image.image = [UIImage imageNamed:@"ash4.png"];
}
if (intSlider == 4) {
image.image = [UIImage imageNamed:@"ash5.png"];
}
if (intSlider == 5) {
image.image = [UIImage imageNamed:@"ash6.png"];
}
if (intSlider == 6) {
image.image = [UIImage imageNamed:@"ash7.png"];
}
if (intSlider == 7) {
image.image = [UIImage imageNamed:@"ash8.png"];
}
if (intSlider == 8) {
image.image = [UIImage imageNamed:@"ash9.png"];
}
if (intSlider == 9) {
image.image = [UIImage imageNamed:@"ash10.png"];
}
if (intSlider == 10) {
image.image = [UIImage imageNamed:@"ash11.png"];
}
}