我添加了一个按钮，用于从Parse上的_User数据库中删除用户帐户 . 我使用的代码是这样的：
- (IBAction)deleteButtonPressed:(id)sender {
UIAlertView *deleteAlert = [[UIAlertView alloc] initWithTitle:@"Delete Confirmation"
message:@"Are you sure you want to delete this account?"
delegate:self
cancelButtonTitle:@"No"
otherButtonTitles:@"Yes", nil];
[deleteAlert show];
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
if (buttonIndex == 0) {
//No Button Code
}
if (buttonIndex == 1) {
//Yes Button Code
ParseExampleAppDelegate *delegate=[[UIApplication sharedApplication] delegate];
PFObject *user = [PFObject objectWithoutDataWithClassName:@"_User"
objectId:delegate.applicationUser.objectId];
[user deleteEventually];
}
}
而我得到的错误是这样的：
2015-02-22 21:52:45.374 App[4375:211302] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'User cannot be deleted unless they have been authenticated via logIn or signUp'
First throw call stack:
(
0 CoreFoundation 0x000000010acc0f35 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x0000000109a01bb7 objc_exception_throw + 45
2 CoreFoundation 0x000000010acc0e6d +[NSException raise:format:] + 205
3 App 0x0000000106e2ec51 -[PFUser(Private) checkDeleteParams] + 71
4 App 0x0000000106e1ad30 -[PFObject deleteEventually] + 97
5 App 0x0000000106e0680d -[ResetPasswordViewController alertView:clickedButtonAtIndex:] + 365
6 UIKit 0x00000001073893e0 -[UIAlertView _prepareToDismissForTappedIndex:] + 161
7 UIKit 0x0000000107388ede __35-[UIAlertView _prepareAlertActions]_block_invoke50 + 43
8 UIKit 0x0000000107382464 -[UIAlertController _dismissAnimated:triggeringAction:triggeredByPopoverDimmingView:] + 89
9 UIKit 0x0000000107171308 -[UIWindow _sendTouchesForEvent:] + 735
10 UIKit 0x0000000107171c33 -[UIWindow sendEvent:] + 683
11 UIKit 0x000000010713e9b1 -[UIApplication sendEvent:] + 246
12 UIKit 0x000000010714ba7d _UIApplicationHandleEventFromQueueEvent + 17370
13 UIKit 0x0000000107127103 _UIApplicationHandleEventQueue + 1961
14 CoreFoundation 0x000000010abf6551 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
15 CoreFoundation 0x000000010abec41d __CFRunLoopDoSources0 + 269
16 CoreFoundation 0x000000010abeba54 __CFRunLoopRun + 868
17 CoreFoundation 0x000000010abeb486 CFRunLoopRunSpecific + 470
18 GraphicsServices 0x000000010ab5e9f0 GSEventRunModal + 161
19 UIKit 0x000000010712a420 UIApplicationMain + 1282
20 App 0x0000000106e077b3 main + 115
21 libdyld.dylib 0x000000010e27e145 start + 1
)
I would very much appreciate some help reagarding how to stop this error from happening and getting the button to delete to work. Thanks for your help.