20190726 Background App Refresh Taskがやってきた

Transcript

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13. λεΫͷొ࿥ BGTaskScheduler.shared.register(forTaskWithIdentifier: "XXX", using: nil) { task in self.handleAppRefresh(task: task as! BGAppRefreshTask) }
14. λεΫͷ౤ೖ func applicationDidEnterBackground(_ application: UIApplication) { scheduleAppRefresh() } func scheduleAppRefresh() { let request = BGAppRefreshTaskRequest(identifier: "XXX") request.earliestBeginDate = Date(timeIntervalSinceNow: 15 * 60) do { try BGTaskScheduler.shared.submit(request) } catch { print("Could not schedule app refresh: \(error)") } }
15. λεΫͷ࣮ߦ func handleAppRefresh(task: BGAppRefreshTask) { // ඞཁ͕͋Ε͹࠶౤ೖ scheduleAppRefresh() task.expirationHandler = { // ࣮ߦظݶ͕੾Εͨͱ͖ͷΩϟϯηϧॲཧ } // do something // λεΫ׬ྃ task.setTaskCompleted(success: true) }
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