IOS-GCD中的Timer
- (IBAction)gcdResourceTestBtnPressed:(id)sender
{
/// 初始化一个gcd队列.
dispatch_queue_t timerQueue = dispatch_queue_create("timerQueue", 0);
/// 创建 gcd timer.
_timerSource = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, timerQueue);
double interval = 2 * NSEC_PER_SEC; /// 间隔2秒
dispatch_source_set_timer(_timerSource, dispatch_time(DISPATCH_TIME_NOW, 0), interval, 0);
/// 定时器block设置
dispatch_source_set_event_handler(_timerSource, ^{
NSLog(@"%@",[NSThread currentThread]);
progressTotal += 0.1;
dispatch_async(dispatch_get_main_queue(), ^{
[_progressView setProgress:progressTotal];
});
});
/// 唤起定时器任务.
dispatch_resume(_timerSource);
}
2014-11-22 10:21:50.964 MultitThreadManagement[856:410093] <NSThread: 0x7fd8d3511a50>{number = 2, name = (null)}
2014-11-22 10:21:52.969 MultitThreadManagement[856:410093] <NSThread: 0x7fd8d3511a50>{number = 2, name = (null)}
2014-11-22 10:21:54.969 MultitThreadManagement[856:410093] <NSThread: 0x7fd8d3511a50>{number = 2, name = (null)}
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