I’m in the process of migrating older code to Swift 3 and I’m stuck on this one.
How do you create a timer dispatch source?
Old code:
let source = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue)
dispatch_source_set_timer(source, dispatch_time(DISPATCH_TIME_NOW, 0),
UInt64(interval * 1000_000_000), 0)
dispatch_source_set_event_handler(source) {
// Do something useful
}
dispatch_resume(source)
New code:
It should be something like this (untested):
let timer = DispatchSource.makeTimerSource(flags: ..., queue: queue)
timer.scheduleRepeating(deadline: ..., interval: ..., leeway: ...)
timer.setEventHandler {
...
}
timer.resume()
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