我有3個VC。 A顯示問題和答案。當問題被錯誤地選擇爲C時,一旦級別清晰,B就會顯示出來。 我遇到了A-B & A-C的問題。 這裏是我的代碼區分兩個視圖控制器
#import "AViewController.h"
#import "BViewController.h"
#import "CViewController.h"
@interface AViewController()
@end
現在這裏是實現代碼
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
BViewController *incorrect = [segue destinationViewController];
incorrect.currentQuestion = self.currentQuestion;}
//這裏正在發送哪些問題是回答不正確,即當前問題
- (void)viewDidLoad
{
[super viewDidLoad];
rootArray = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Addition1" ofType:@"plist"]];
currentQuestion = -1;
[self showNextQuestion];
}
-(void) showNextQuestion{
currentQuestion++;
if (currentQuestion <= 3) {
int numItems = [rootArray count];
NSMutableArray *question = [NSMutableArray arrayWithCapacity:numItems];
NSMutableArray *A = [NSMutableArray arrayWithCapacity:numItems];
NSMutableArray *B = [NSMutableArray arrayWithCapacity:numItems];
NSMutableArray *C = [NSMutableArray arrayWithCapacity:numItems];
NSMutableArray *addimage = [NSMutableArray arrayWithCapacity:numItems];
NSMutableArray *Answer = [NSMutableArray arrayWithCapacity:numItems];
for (NSDictionary *itemData in rootArray) {
[question addObject:[itemData objectForKey:@"question"]];
[A addObject:[itemData objectForKey:@"A"]];
[B addObject:[itemData objectForKey:@"B"]];
[C addObject:[itemData objectForKey:@"C"]];
[addimage addObject:[itemData objectForKey:@"ImageUse"]];
[Answer addObject:[itemData objectForKey:@"ANS"]];
}
self.questionasked.text = question[currentQuestion];
self.answer1.text = A[currentQuestion];
self.answer2.text = B[currentQuestion];
self.answer3.text = C[currentQuestion];
additionImage.image = [UIImage imageNamed:addimage[currentQuestion]];
self.correctAns = Answer[currentQuestion];}
else{
NSLog(@"End of Array ");
[self performSegueWithIdentifier:@"levelpassed" sender:nil];
}
}
這家B信息上面的區域是我遇到問題的地方
當水平被清除ÇVC是有這個錯誤顯示
[CViewController setCurrentQuestion:]: unrecognized selector sent to instance 0x71cae70
2013-03-30 21:17:31.264 thefyp[14311:c07] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[CViewController setCurrentQuestion:]: unrecognized selector sent to instance 0x71cae70'
我所知道的問題是,發現很難SEGUE區分,並試圖發送有關時,所有我想要的當前問題C數據要做的是顯示C,當A完成時顯示所有問題,沒有數據正在傳輸,就像A正在繼續B一樣。B & C也是A的子類。任何幫助將不勝感激
請檢查您是否更改了storyboard中viewController的標識。 – Anupdas
的segue標識符? – user2236306
CViewController的身份 – Anupdas