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-[AppDelegate managedObjectContext]: unrecognized selector sent to instance - ObjC
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0
This is my code I type in Xcode 10.1
- (void)createData
id delegate = [[UIApplication sharedApplication] delegate];
NSManagedObjectContext *context = [delegate managedObjectContext];
NSManagedObject *personObj = [NSEntityDescription insertNewObjectForEntityForName:@"Person" inManagedObjectContext:context];
[personObj setValue:@"Bob" forKey:@"fullname"];
[personObj setValue:@(15) forKey:@"age"];
if ([context save:nil])
NSLog(@"Update Person SUCCESS");
else
NSLog(@"Update Person FAIL");
I checked the check box when I compile the project, but I get the following error.
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AppDelegate managedObjectContext]: unrecognized selector sent to instance 0x60800003c200'
*** First throw call stack:
(
0 CoreFoundation 0x0000000107ab8d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00000001070f921e objc_exception_throw + 48
2 CoreFoundation 0x0000000107b28f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x0000000107a3e005 ___forwarding___ + 1013
4 CoreFoundation 0x0000000107a3db88 _CF_forwarding_prep_0 + 120
5 MyStore 0x0000000106b1ff80 -[DeviceViewController managedObjectContext] + 128
6 MyStore 0x0000000106b20058 -[DeviceViewController viewDidAppear:] + 88
7 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
8 UIKit 0x00000001080b98d7 -[UINavigationController viewDidAppear:] + 207
9 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
10 UIKit 0x00000001080877da __64-[UIViewController viewDidMoveToWindow:shouldAppearOrDisappear:]_block_invoke + 42
11 UIKit 0x0000000108085ac4 -[UIViewController _executeAfterAppearanceBlock] + 86
12 UIKit 0x0000000107ee977c _runAfterCACommitDeferredBlocks + 653
13 UIKit 0x0000000107ed6273 _cleanUpAfterCAFlushAndRunDeferredBlocks + 566
14 UIKit 0x0000000107ef9757 __84-[UIApplication _handleApplicationActivationWithScene:transitionContext:completion:]_block_invoke_2 + 194
15 CoreFoundation 0x0000000107a5d6ac __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
16 CoreFoundation 0x0000000107a426f4 __CFRunLoopDoBlocks + 356
17 CoreFoundation 0x0000000107a41e65 __CFRunLoopRun + 901
18 CoreFoundation 0x0000000107a41884 CFRunLoopRunSpecific + 420
19 GraphicsServices 0x000000010b952a6f GSEventRunModal + 161
20 UIKit 0x0000000107edcc68 UIApplicationMain + 159
21 MyStore 0x0000000106b2132f main + 111
22 libdyld.dylib 0x000000010a9ae68d start + 1
23 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
I am new to using coreData in objective c. I have searched thorough stack and internet but couldn't find a solution for this.
objective-c
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
add a comment |
0
This is my code I type in Xcode 10.1
- (void)createData
id delegate = [[UIApplication sharedApplication] delegate];
NSManagedObjectContext *context = [delegate managedObjectContext];
NSManagedObject *personObj = [NSEntityDescription insertNewObjectForEntityForName:@"Person" inManagedObjectContext:context];
[personObj setValue:@"Bob" forKey:@"fullname"];
[personObj setValue:@(15) forKey:@"age"];
if ([context save:nil])
NSLog(@"Update Person SUCCESS");
else
NSLog(@"Update Person FAIL");
I checked the check box when I compile the project, but I get the following error.
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AppDelegate managedObjectContext]: unrecognized selector sent to instance 0x60800003c200'
*** First throw call stack:
(
0 CoreFoundation 0x0000000107ab8d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00000001070f921e objc_exception_throw + 48
2 CoreFoundation 0x0000000107b28f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x0000000107a3e005 ___forwarding___ + 1013
4 CoreFoundation 0x0000000107a3db88 _CF_forwarding_prep_0 + 120
5 MyStore 0x0000000106b1ff80 -[DeviceViewController managedObjectContext] + 128
6 MyStore 0x0000000106b20058 -[DeviceViewController viewDidAppear:] + 88
7 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
8 UIKit 0x00000001080b98d7 -[UINavigationController viewDidAppear:] + 207
9 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
10 UIKit 0x00000001080877da __64-[UIViewController viewDidMoveToWindow:shouldAppearOrDisappear:]_block_invoke + 42
11 UIKit 0x0000000108085ac4 -[UIViewController _executeAfterAppearanceBlock] + 86
12 UIKit 0x0000000107ee977c _runAfterCACommitDeferredBlocks + 653
13 UIKit 0x0000000107ed6273 _cleanUpAfterCAFlushAndRunDeferredBlocks + 566
14 UIKit 0x0000000107ef9757 __84-[UIApplication _handleApplicationActivationWithScene:transitionContext:completion:]_block_invoke_2 + 194
15 CoreFoundation 0x0000000107a5d6ac __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
16 CoreFoundation 0x0000000107a426f4 __CFRunLoopDoBlocks + 356
17 CoreFoundation 0x0000000107a41e65 __CFRunLoopRun + 901
18 CoreFoundation 0x0000000107a41884 CFRunLoopRunSpecific + 420
19 GraphicsServices 0x000000010b952a6f GSEventRunModal + 161
20 UIKit 0x0000000107edcc68 UIApplicationMain + 159
21 MyStore 0x0000000106b2132f main + 111
22 libdyld.dylib 0x000000010a9ae68d start + 1
23 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
I am new to using coreData in objective c. I have searched thorough stack and internet but couldn't find a solution for this.
objective-c
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
TryAppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
– vadian
Mar 23 at 8:26
add a comment |
0
0
0
This is my code I type in Xcode 10.1
- (void)createData
id delegate = [[UIApplication sharedApplication] delegate];
NSManagedObjectContext *context = [delegate managedObjectContext];
NSManagedObject *personObj = [NSEntityDescription insertNewObjectForEntityForName:@"Person" inManagedObjectContext:context];
[personObj setValue:@"Bob" forKey:@"fullname"];
[personObj setValue:@(15) forKey:@"age"];
if ([context save:nil])
NSLog(@"Update Person SUCCESS");
else
NSLog(@"Update Person FAIL");
I checked the check box when I compile the project, but I get the following error.
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AppDelegate managedObjectContext]: unrecognized selector sent to instance 0x60800003c200'
*** First throw call stack:
(
0 CoreFoundation 0x0000000107ab8d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00000001070f921e objc_exception_throw + 48
2 CoreFoundation 0x0000000107b28f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x0000000107a3e005 ___forwarding___ + 1013
4 CoreFoundation 0x0000000107a3db88 _CF_forwarding_prep_0 + 120
5 MyStore 0x0000000106b1ff80 -[DeviceViewController managedObjectContext] + 128
6 MyStore 0x0000000106b20058 -[DeviceViewController viewDidAppear:] + 88
7 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
8 UIKit 0x00000001080b98d7 -[UINavigationController viewDidAppear:] + 207
9 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
10 UIKit 0x00000001080877da __64-[UIViewController viewDidMoveToWindow:shouldAppearOrDisappear:]_block_invoke + 42
11 UIKit 0x0000000108085ac4 -[UIViewController _executeAfterAppearanceBlock] + 86
12 UIKit 0x0000000107ee977c _runAfterCACommitDeferredBlocks + 653
13 UIKit 0x0000000107ed6273 _cleanUpAfterCAFlushAndRunDeferredBlocks + 566
14 UIKit 0x0000000107ef9757 __84-[UIApplication _handleApplicationActivationWithScene:transitionContext:completion:]_block_invoke_2 + 194
15 CoreFoundation 0x0000000107a5d6ac __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
16 CoreFoundation 0x0000000107a426f4 __CFRunLoopDoBlocks + 356
17 CoreFoundation 0x0000000107a41e65 __CFRunLoopRun + 901
18 CoreFoundation 0x0000000107a41884 CFRunLoopRunSpecific + 420
19 GraphicsServices 0x000000010b952a6f GSEventRunModal + 161
20 UIKit 0x0000000107edcc68 UIApplicationMain + 159
21 MyStore 0x0000000106b2132f main + 111
22 libdyld.dylib 0x000000010a9ae68d start + 1
23 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
I am new to using coreData in objective c. I have searched thorough stack and internet but couldn't find a solution for this.
objective-c
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
This is my code I type in Xcode 10.1
- (void)createData
id delegate = [[UIApplication sharedApplication] delegate];
NSManagedObjectContext *context = [delegate managedObjectContext];
NSManagedObject *personObj = [NSEntityDescription insertNewObjectForEntityForName:@"Person" inManagedObjectContext:context];
[personObj setValue:@"Bob" forKey:@"fullname"];
[personObj setValue:@(15) forKey:@"age"];
if ([context save:nil])
NSLog(@"Update Person SUCCESS");
else
NSLog(@"Update Person FAIL");
I checked the check box when I compile the project, but I get the following error.
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AppDelegate managedObjectContext]: unrecognized selector sent to instance 0x60800003c200'
*** First throw call stack:
(
0 CoreFoundation 0x0000000107ab8d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00000001070f921e objc_exception_throw + 48
2 CoreFoundation 0x0000000107b28f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x0000000107a3e005 ___forwarding___ + 1013
4 CoreFoundation 0x0000000107a3db88 _CF_forwarding_prep_0 + 120
5 MyStore 0x0000000106b1ff80 -[DeviceViewController managedObjectContext] + 128
6 MyStore 0x0000000106b20058 -[DeviceViewController viewDidAppear:] + 88
7 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
8 UIKit 0x00000001080b98d7 -[UINavigationController viewDidAppear:] + 207
9 UIKit 0x0000000108084a6c -[UIViewController _setViewAppearState:isAnimating:] + 945
10 UIKit 0x00000001080877da __64-[UIViewController viewDidMoveToWindow:shouldAppearOrDisappear:]_block_invoke + 42
11 UIKit 0x0000000108085ac4 -[UIViewController _executeAfterAppearanceBlock] + 86
12 UIKit 0x0000000107ee977c _runAfterCACommitDeferredBlocks + 653
13 UIKit 0x0000000107ed6273 _cleanUpAfterCAFlushAndRunDeferredBlocks + 566
14 UIKit 0x0000000107ef9757 __84-[UIApplication _handleApplicationActivationWithScene:transitionContext:completion:]_block_invoke_2 + 194
15 CoreFoundation 0x0000000107a5d6ac __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
16 CoreFoundation 0x0000000107a426f4 __CFRunLoopDoBlocks + 356
17 CoreFoundation 0x0000000107a41e65 __CFRunLoopRun + 901
18 CoreFoundation 0x0000000107a41884 CFRunLoopRunSpecific + 420
19 GraphicsServices 0x000000010b952a6f GSEventRunModal + 161
20 UIKit 0x0000000107edcc68 UIApplicationMain + 159
21 MyStore 0x0000000106b2132f main + 111
22 libdyld.dylib 0x000000010a9ae68d start + 1
23 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
I am new to using coreData in objective c. I have searched thorough stack and internet but couldn't find a solution for this.
objective-c
objective-c
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
asked Mar 23 at 7:45
Nonpawit EkburanawatNonpawit Ekburanawat
1
1
TryAppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
– vadian
Mar 23 at 8:26
add a comment |
TryAppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
– vadian
Mar 23 at 8:26
Try
AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];– vadian
Mar 23 at 8:26
Try
AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];– vadian
Mar 23 at 8:26
add a comment |
0
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AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];– vadian
Mar 23 at 8:26