Well-tested GCD Timer in Swift
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Hemanta Sapkota
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Example/GCDTimerExample Update to Swift 4: Example project Nov 22, 2017
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GCDTimer Update to Swift 4 Nov 22, 2017
GCDTimerTests Migrate to Swift3 and add alternative to dispatch_once. Sep 21, 2016
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README.md

Carthage compatible

GCDTimer

Well tested Grand Central Dispatch (GCD) Timer in Swift. Checkout the test file.

Usage

Long running timer

import GCDTimer

class Demo {

  init() {
    let timer = GCDTimer(intervalInSecs: 20)
    
    timer.Event = {
      println("Hello World")
      
      // Send some data to the server
    }
    
    timer.start()
    
    //Don't forget to pause the timer in the AppDelegate:applicationWillResignActive(application: UIApplication) method.
  }

}

Autofinishing timer

import GCDTimer

class Demo {

  init() {
    let timer = GCDTimer(intervalInSecs: 2)
    
    timer.Event = {
      timer.pause()
      //Process after finishing the timer
    }
    
    timer.start()
  }
  
}

Dispatch After - Delay

var index = 0
GCDTimer.delay(2) {
    index += 1
}

Installation

  • Add github "hemantasapkota/GCDTimer" to your cartfile
  • Execute carthage update

Example

The example shows how to use GCDTimer to periodically poll newly submitted items from Hacker News.

ExampleSS

Author

License

The MIT License (MIT)

Copyright (c) 2017 Hemanta Sapkota

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.