Paul Hegarty の CS193P コース ビデオ (レクチャー #4 @ 1:05:40 マーク) に従っているのですが、問題が発生しました。この「認識されないセレクターがインスタンスに送信されました」エラーのデバッグにご協力ください。ビューには 3 つのオブジェクトがあります - 画像を参照してください ( https://docs.google.com/file/d/0B453_F6cDmYzMG1OQW93WVptYUU/edit?usp=sharing )
コード
// AttributeViewController.m
// Attribute
#import "AttributeViewController.h"
@interface AttributeViewController ()
@property (weak, nonatomic) IBOutlet UILabel *label; // collection of words
@property (weak, nonatomic) IBOutlet UIStepper *selectedWordStepper; // stepper
@property (weak, nonatomic) IBOutlet UILabel *selectedWordLabel; // selected word from label
@end
@implementation AttributeViewController
- (NSArray *)wordList
{
NSArray *wordList = [[self.label.attributedText string] componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
if ([wordList count]) {
return wordList;
} else {
return @[@""];
}
}
- (NSString *)selectedWord
{
return [self wordList][(int)self.selectedWordStepper.value];
}
- (IBAction)updateSelectedWord {
self.selectedWordStepper.maximumValue = [[self wordList] count]-1;
self.selectedWordLabel.text = [self selectedWord];
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[self updateSelectedWord];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
エラー
2013-03-03 18:03:28.948 Attribute[74205:c07] -[AttributeViewController updateSelectedWord:]: unrecognized selector sent to instance 0x71b93a0
2013-03-03 18:03:28.952 Attribute[74205:c07] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AttributeViewController updateSelectedWord:]: unrecognized selector sent to instance 0x71b93a0'
*** First throw call stack:
(0x1c91012 0x10cee7e 0x1d1c4bd 0x1c80bbc 0x1c8094e 0x10e2705 0x162c0 0x16258 0xd7021 0xd757f 0xd7056 0x42b195 0x42ae91 0xd6696 0x45cef 0x45f02 0x23d4a 0x15698 0x1becdf9 0x1c14f3f 0x1c1496f 0x1c37734 0x1c36f44 0x1c36e1b 0x1beb7e3 0x1beb668 0x12ffc 0x25cd 0x24f5)
libc++abi.dylib: terminate called throwing an exception
(lldb) gdb