Re: Using NSTimer to call the main thread
Re: Using NSTimer to call the main thread
- Subject: Re: Using NSTimer to call the main thread
- From: email@hidden
- Date: Thu, 27 Mar 2003 10:36:15 -0800 (PST)
wouldnt it be equally possible to pass a reference to the UI controller to the
secondary thread and call updateValueNow: directly?
On Thu, 27 Mar 2003 10:35:36 -0800 (PST), Peter Robinson wrote:
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I am trying to communicate with the main thread in order to update
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the user interface.
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From my secondary thread, I can install a one-off NSTimer on the
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run-loop of the main thread, like this:
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NSTimer *timer = [NSTimer timerWithTimeInterval: 0
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target: self selector: @selector(updateValueNow:)
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userInfo: nil repeats: NO];
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[mainRunLoop addTimer: timer forMode: NSDefaultRunLoopMode];
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which seems to work well enough. But I am worried that it isn't
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legal to install a timer on a run-loop from another thread. Can I do
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this? If not, what is the simplest way to get code called on the
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main thread? I am using 10.1.
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Thanks,
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Peter
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