Xcode的顯示圖像，如果有上ImageView的

Question

沒有像我需要幫助做這樣的事情

IBOutlet UIImageView *imageview; 
IBOutlet UIImageView *imageview2; 

if(imageview have no image){ 
SET this image @"x"; 
}else if(imageview2 have no image){ 
Set this Image @"x"; 
} 

，並保存與負載NSUserDefaults

Answer 1

代碼試試這個

UIImageView *myImageView; 
if(myImageView.image){ 
myImageView.image = [UIImage imageNamed:@"myImage1"]; 
    //image exists 
} 
else { 
myImageView.image = [UIImage imageNamed:@"myOtherImage"]; 
//image doesnt exists 
} 
//by this time some image or the other will be set so we save the image 
[[NSUserDefaults standardDefaults]setObject:myImageView.image forKey:@"myImage"]; 

我不知道是否NSUserDefault可以設置圖像對象因爲我試過它可能會得到一個異常，如果你可以在if語句中使用[[NSUserDefaults standardDefaults] setObject:@"imagenameoftheimage" forKey:@"myImageName]"