由数组引起的SIGABRT
当我单击 nextIdea() 按钮时，出现错误，突出显示 int retVal = UIApplicationMain(argc, argv, nil, nil) 并显示 SIGABRT
- (IBAction)nextIdea:(id)sender
{
int index = arc4random() % ideaArray.count;
ideaTextView.text = [NSString stringWithFormat:@"%@",[ideaArray objectAtIndex:index]];
}
- (void)viewDidLoad
{
[super viewDidLoad];
PFQuery *query = [PFQuery queryWithClassName:@"Ideas"];
[query whereKey:@"Hidden" equalTo:@"entry"];
[query getObjectWithId:@"Idea"];
ideaArray = [[[NSArray alloc] init] autorelease];
// ideaArray = [query findObjects];
ideaArray = [NSArray arrayWithObjects:@"one", @"two", nil];
}
我已经尝试解决这个问题几个小时了但没有运气。
ideaArray 在标头中声明并合成 btw
确切的错误消息：
[15842:f803] application:didFailToRegisterForRemoteNotificationsWithError: Error Domain=NSCocoaErrorDomain Code=3010 "remote notifications are not supported in the simulator" UserInfo=0x6a5e500 {NSLocalizedDescription=remote notifications are not supported in the simulator}
在设备上时，错误读取：
Error Domain=NSCocoaErrorDomain Code=3000 "no valid 'aps-environment' entitlement string found for application" UserInfo=0x19f4f0 {NSLocalizedDescription=no valid 'aps-environment' entitlement string found for application}
When I click the button for nextIdea(), I get an error that highlights int retVal = UIApplicationMain(argc, argv, nil, nil) and says SIGABRT
- (IBAction)nextIdea:(id)sender
{
int index = arc4random() % ideaArray.count;
ideaTextView.text = [NSString stringWithFormat:@"%@",[ideaArray objectAtIndex:index]];
}
- (void)viewDidLoad
{
[super viewDidLoad];
PFQuery *query = [PFQuery queryWithClassName:@"Ideas"];
[query whereKey:@"Hidden" equalTo:@"entry"];
[query getObjectWithId:@"Idea"];
ideaArray = [[[NSArray alloc] init] autorelease];
// ideaArray = [query findObjects];
ideaArray = [NSArray arrayWithObjects:@"one", @"two", nil];
}
I've been trying to figure this out for hours but have no luck.
ideaArray is declared in the header and synthesized btw
Exact error message:
[15842:f803] application:didFailToRegisterForRemoteNotificationsWithError: Error Domain=NSCocoaErrorDomain Code=3010 "remote notifications are not supported in the simulator" UserInfo=0x6a5e500 {NSLocalizedDescription=remote notifications are not supported in the simulator}
When on the device, error reads:
Error Domain=NSCocoaErrorDomain Code=3000 "no valid 'aps-environment' entitlement string found for application" UserInfo=0x19f4f0 {NSLocalizedDescription=no valid 'aps-environment' entitlement string found for application}
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除非将
ideaArray存储为类变量，否则您将无法从nextIdea:方法访问它。ideaArray成为该类的属性。self.ideaArray从nextIdea:方法访问数组。Unless you store the
ideaArrayas a class variable, you will not be able to access it from thenextIdea:method.ideaArraya property of the class.self.ideaArray = [NSArray arrayWithObjects:@"one", @"two", nil];notation. The self will refer to the property you have created.nextIdea:method usingself.ideaArray.该属性设置为（非原子，分配），只需将分配更改为复制，并且它可以工作
The property was set to (nonatomic, assign), just changed assign to copy, and it works