2009-07-06 06:49:13.666 Spark[9825:10b] -[<NSUserDefaultsController 0x137af0> valueForUndefinedKey:]: this class is not key value coding-compliant for the key hotKeyDisplayEntry.
2009-07-06 06:49:13.667 Spark[9825:10b] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<NSUserDefaultsController 0x137af0> valueForUndefinedKey:]: this class is not key value coding-compliant for the key hotKeyDisplayEntry.'
修改 我认为是什么引起了这个问题。
OSStatus MyHotKeyHandler(EventHandlerCallRef nextHandler,EventRef theEvent,void *userData)
{
EventHotKeyID hkCom;
GetEventParameter(theEvent,kEventParamDirectObject,typeEventHotKeyID,NULL,sizeof(hkCom),NULL,&hkCom);
HotKeyController *controller = (HotKeyController *)userData;
int l = hkCom.id;
switch (l) {
case 1: [controller->window makeKeyAndOrderFront:NSApp];
break;
case 2: [controller->searchWindow makeKeyAndOrderFront:nil];
break;
case 3: [controller->entryWindow makeKeyAndOrderFront:nil];
break;
}
return noErr;
}
- (void)awakeFromNib
{
//Register the Hotkeys
EventHotKeyRef gMyHotKeyRef;
EventHotKeyID gMyHotKeyID;
EventTypeSpec eventType;
eventType.eventClass=kEventClassKeyboard;
eventType.eventKind=kEventHotKeyPressed;
InstallApplicationEventHandler(&MyHotKeyHandler,1,&eventType,(void *)self,NULL);
gMyHotKeyID.signature='htk1';
gMyHotKeyID.id=1;
if([[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyCodeMain"]!=-999) {
RegisterEventHotKey([[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyCodeMain"], [[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyModifiersMain"], gMyHotKeyID, GetApplicationEventTarget(), 0, &gMyHotKeyRef);
}
gMyHotKeyID.signature='htk2';
gMyHotKeyID.id=2;
if([[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyCodeSearch"]!=-999) {
RegisterEventHotKey([[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyCodeSearch"], [[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyModifiersSearch"], gMyHotKeyID, GetApplicationEventTarget(), 0, &gMyHotKeyRef);
}
gMyHotKeyID.signature='htk3';
gMyHotKeyID.id=3;
if([[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyCodeEntry"]!=-999) {
RegisterEventHotKey([[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyCodeEntry"], [[NSUserDefaults standardUserDefaults] integerForKey:@"hotkeyModifiersEntry"], gMyHotKeyID, GetApplicationEventTarget(), 0, &gMyHotKeyRef);
}
}
在NIB中,我还将文本字段连接到NSDefaultsController。
答案 0 :(得分:4)
通常,这意味着您尝试访问某个对象的名为hotKeyDisplayEntry
的密钥,但该对象没有此类密钥。您可能犯了错误或次要逻辑错误。
答案 1 :(得分:1)
您(或某些代码)似乎在您的课程中使用键值编码。我假设某个地方有一个hotKeyDisplayEntry ivar,可能是在一个nib和连接中定义但不在你的类中?
另请阅读:
Key-Value Coding in Cocoa (apple.com)
如果不是上述内容,则可能是在ivar上指定了Observer,或者正在使用对象序列化,并且实际上没有它的访问器方法,因此会引发异常。或者,您需要扩展一下您实际为我做的事情来帮助您!