nstimer

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OSX Core MIDI- Calling MIDIPacketListAdd from NSTimer

I\'m sending a string of MIDI packets using MIDIPacketListAdd. I want to change the packets dynamically during playback, so I\'m using a NSTimer to add each packet before the scheduled time the packet[详细]

2023-04-11 05:41 分类：问答
NSTimer inaccurate?

I\'m using an NSTimer to update a label that shows the current time each minute. I fire the timer at a full minute date (e.g. 2:23:00 instead of 2:22:17). The problem is that NSTimer seems to work ina[详细]

2023-04-11 00:53 分类：问答
how do I understand what's causing app to crash from crash log?

This is my crash log: Exception Type:EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0xd1e5501b[详细]

2023-04-11 00:49 分类：问答
How calculate time from current time?

I have design an application in which i am have three text field in wh开发者_开发知识库ich i am giving my time like as 10:10 PM. Now problem is that i want to calculate time difference between current[详细]

2023-04-10 13:58 分类：问答
Memory management of NSTimer -- does it need to be assigned to a variable?

Whenever I want to make a timer, I just do: [NSTimer scheduledTimerWithTimeInterval:5.0 target:self selector:@selector(someMethod)[详细]

2023-04-10 07:06 分类：问答
Fire action at specific date and time iPhone

in my Core Data model, I have an entity which has got a date attribute. For example, I\'ll set this date to 10/07/2011 4:00pm and I want to f开发者_如何学JAVAire an action when current date will pass[详细]

2023-04-09 16:37 分类：问答
invalidate nstimer in objective-c iphone

I am having issue with invalidating a NSTimer. I initialize a NSTimer with below function. -(void) initLTTimer{[详细]

2023-04-08 20:48 分类：问答
Countdown refresh button

I have implemented a refresh button of style UIBarSystemItem which will be disabled for 10s whenever it is pressed.[详细]

2023-04-07 15:40 分类：问答
NSDateFormatter set date to 1970

In my summarydict, I have a entire called date_generated, it looks like : Sep 22, 2:33 PM, I want to convert it into a NSDate so that I can later feed it into a repeated timer.[详细]

2023-04-07 09:36 分类：问答
Change the time interval of a Timer

here is my question: Is it possible to increase the scheduledTimerWithTimeInterval:2 for example of \"3\" after 10 seconds in ViewDidLoad for example.[详细]

2023-04-06 23:17 分类：问答