关于iOS通知
我正在研究通知，我创建了一个代码，使用datePicker来计划显示通知。代码运行得很好。 但是，当我的应用程序在后台时，如何每10分钟显示一次通知？ 这是我的操作系统代码： AppDelegate：关于iOS通知,ios,swift2,Ios,Swift2,我正在研究通知，我创建了一个代码，使用datePicker来计划显示通知。代码运行得很好。 但是，当我的应用程序在后台时，如何每10分钟显示一次通知？ 这是我的操作系统代码： AppDelegate： func application(application: UIApplication, didRegisterUserNotificationSettings notificationSettings: UIUserNotificationSettings) { print(not
func application(application: UIApplication, didRegisterUserNotificationSettings notificationSettings: UIUserNotificationSettings) {
print(notificationSettings.types.rawValue)
}
func application(application: UIApplication, didReceiveLocalNotification notification: UILocalNotification) {
print("Received Local Notification:")
print(notification.alertBody!)
}
func application(application: UIApplication, handleActionWithIdentifier identifier: String?, forLocalNotification notification: UILocalNotification, completionHandler: () -> Void) {
if identifier == "editList" {
NSNotificationCenter.defaultCenter().postNotificationName("modifyListNotification", object: nil)
}
else if identifier == "trashAction" {
NSNotificationCenter.defaultCenter().postNotificationName("deleteListNotification", object: nil)
}
completionHandler()
}
import UIKit
class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, UITextFieldDelegate {
@IBOutlet weak var txtAddItem: UITextField!
@IBOutlet weak var tblShoppingList: UITableView!
@IBOutlet weak var btnAction: UIButton!
@IBOutlet weak var datePicker: UIDatePicker!
var shoppingList: NSMutableArray!
var timer = NSTimer()
override func viewDidLoad() {
super.viewDidLoad()
self.tblShoppingList.delegate = self
self.tblShoppingList.dataSource = self
self.txtAddItem.delegate = self
datePicker.hidden = true
loadShoppingList()
setupNotificationSettings()
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(ViewController.handleModifyListNotification), name: "modifyListNotification", object: nil)
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(ViewController.handleDeleteListNotification), name: "deleteListNotification", object: nil)
listenerSchedule()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
func handleModifyListNotification() {
txtAddItem.becomeFirstResponder()
}
func handleDeleteListNotification() {
shoppingList.removeAllObjects()
saveShoppingList()
tblShoppingList.reloadData()
}
func setupNotificationSettings() {
let notificationSettings: UIUserNotificationSettings! = UIApplication.sharedApplication().currentUserNotificationSettings()
if (notificationSettings.types == UIUserNotificationType.None){
let notificationTypes = UIUserNotificationType.Alert.union(UIUserNotificationType.Sound)
let justInformAction = UIMutableUserNotificationAction()
justInformAction.identifier = "justInform"
justInformAction.title = "OK, got it"
justInformAction.activationMode = UIUserNotificationActivationMode.Background
justInformAction.destructive = false
justInformAction.authenticationRequired = false
let modifyListAction = UIMutableUserNotificationAction()
modifyListAction.identifier = "editList"
modifyListAction.title = "Edit list"
modifyListAction.activationMode = UIUserNotificationActivationMode.Foreground
modifyListAction.destructive = false
modifyListAction.authenticationRequired = true
let trashAction = UIMutableUserNotificationAction()
trashAction.identifier = "trashAction"
trashAction.title = "Delete list"
trashAction.activationMode = UIUserNotificationActivationMode.Background
trashAction.destructive = true
trashAction.authenticationRequired = true
let actionsArray = NSArray(objects: justInformAction, modifyListAction, trashAction)
let actionsArrayMinimal = NSArray(objects: trashAction, modifyListAction)
let shoppingListReminderCategory = UIMutableUserNotificationCategory()
shoppingListReminderCategory.identifier = "shoppingListReminderCategory"
shoppingListReminderCategory.setActions(actionsArray as? [UIUserNotificationAction], forContext: UIUserNotificationActionContext.Default)
shoppingListReminderCategory.setActions(actionsArrayMinimal as? [UIUserNotificationAction], forContext: UIUserNotificationActionContext.Minimal)
let categoriesForSettings = NSSet(objects: shoppingListReminderCategory)
let newNotificationSettings = UIUserNotificationSettings(forTypes: notificationTypes, categories: categoriesForSettings as? Set<UIUserNotificationCategory>)
UIApplication.sharedApplication().registerUserNotificationSettings(newNotificationSettings)
}
}
func setActions(actions: [AnyObject]!, forContext context: UIUserNotificationActionContext){}
func scheduleLocalNotification() {
let localNotification = UILocalNotification()
localNotification.fireDate = fixNotificationDate(datePicker.date)
localNotification.alertBody = "test test test"
localNotification.alertAction = "View List"
localNotification.category = "shoppingListReminderCategory"
UIApplication.sharedApplication().scheduleLocalNotification(localNotification)
}
func listenerSchedule() {
timer = NSTimer.scheduledTimerWithTimeInterval(60.0, target: self, selector: #selector(ViewController.startNotication), userInfo: nil, repeats: true)
}
func startNotication(){
}
func fixNotificationDate(dateToFix: NSDate) -> NSDate {
let dateComponets: NSDateComponents = NSCalendar.currentCalendar().components([.Day, .Month, .Year, .Hour, .Minute], fromDate: dateToFix)
dateComponets.second = 0
let fixedDate: NSDate! = NSCalendar.currentCalendar().dateFromComponents(dateComponets)
return fixedDate
}
func textFieldShouldReturn(textField: UITextField) -> Bool {
if shoppingList == nil{
shoppingList = NSMutableArray()
}
shoppingList.addObject(textField.text!)
tblShoppingList.reloadData()
txtAddItem.text = ""
txtAddItem.resignFirstResponder()
saveShoppingList()
return true
}
@IBAction func scheduleReminder(sender: AnyObject) {
if datePicker.hidden {
animateMyViews(tblShoppingList, viewToShow: datePicker)
UIApplication.sharedApplication().cancelAllLocalNotifications()
}
else{
animateMyViews(datePicker, viewToShow: tblShoppingList)
scheduleLocalNotification()
}
txtAddItem.enabled = !txtAddItem.enabled
}
func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
var rows = 0
if let list = shoppingList{
rows = list.count
}
return rows
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("idCellItem")! as UITableViewCell
cell.textLabel?.text = shoppingList.objectAtIndex(indexPath.row) as! NSString as String
return cell
}
func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return 50.0
}
func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
if editingStyle == UITableViewCellEditingStyle.Delete {
removeItemAtIndex(indexPath.row)
}
}
func removeItemAtIndex(index: Int) {
shoppingList.removeObjectAtIndex(index)
tblShoppingList.reloadData()
saveShoppingList()
}
func saveShoppingList() {
let savePath = (NSTemporaryDirectory() as NSString).stringByAppendingPathComponent("shopping_list")
shoppingList.writeToFile(savePath, atomically: true)
}
func loadShoppingList() {
let shoppingListPath = (NSTemporaryDirectory() as NSString).stringByAppendingPathComponent("shopping_list")
if NSFileManager.defaultManager().fileExistsAtPath(shoppingListPath){
shoppingList = NSMutableArray(contentsOfFile: shoppingListPath)
tblShoppingList.reloadData()
}
}
func animateMyViews(viewToHide: UIView, viewToShow: UIView) {
let animationDuration = 0.35
UIView.animateWithDuration(animationDuration, animations: { () -> Void in
viewToHide.transform = CGAffineTransformScale(viewToHide.transform, 0.001, 0.001)
}) { (completion) -> Void in
viewToHide.hidden = true
viewToShow.hidden = false
viewToShow.transform = CGAffineTransformScale(viewToShow.transform, 0.001, 0.001)
UIView.animateWithDuration(animationDuration, animations: { () -> Void in
viewToShow.transform = CGAffineTransformIdentity
})
}
}
}
import UIKit
class ViewController: UIViewController {
var timer = NSTimer()
var backgroundTaskIdentifier: UIBackgroundTaskIdentifier?
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
notificatioAppGoToBackground()
setupNotificationSettings()
//call handle notifications
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(ViewController.handleModifyListNotification), name: "modifyListNotification", object: nil)
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(ViewController.handleDeleteListNotification), name: "deleteListNotification", object: nil)
backgroundTaskIdentifier = UIApplication.sharedApplication().beginBackgroundTaskWithExpirationHandler({
UIApplication.sharedApplication().endBackgroundTask(self.backgroundTaskIdentifier!)
})
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func alert(title:String, message:String ){
let alert = UIAlertController(title: title, message: message, preferredStyle: .Alert)
alert.addAction(UIAlertAction(title: "OK", style: .Default) { _ in })
self.presentViewController(alert, animated: true){}
}
func handleModifyListNotification() {
alert("Atenção", message: "Modificação")
}
func handleDeleteListNotification() {
print("executou a exclusao")
}
func setupNotificationSettings() {
let notificationSettings: UIUserNotificationSettings! = UIApplication.sharedApplication().currentUserNotificationSettings()
if (notificationSettings.types == UIUserNotificationType.None){
// Specify the notification types.
let notificationTypes = UIUserNotificationType.Alert.union(UIUserNotificationType.Sound)
let modifyListAction = UIMutableUserNotificationAction()
modifyListAction.identifier = "editList"
modifyListAction.title = "Edit list"
modifyListAction.activationMode = UIUserNotificationActivationMode.Foreground
modifyListAction.destructive = false
modifyListAction.authenticationRequired = true
let trashAction = UIMutableUserNotificationAction()
trashAction.identifier = "trashAction"
trashAction.title = "Delete list"
trashAction.activationMode = UIUserNotificationActivationMode.Background
trashAction.destructive = true
trashAction.authenticationRequired = true
let actionsArray = NSArray(objects: modifyListAction, trashAction)
let actionsArrayMinimal = NSArray(objects: trashAction, modifyListAction)
// Specify the category related to the above actions.
let shoppingListReminderCategory = UIMutableUserNotificationCategory()
shoppingListReminderCategory.identifier = "shoppingListReminderCategory"
shoppingListReminderCategory.setActions(actionsArray as? [UIUserNotificationAction], forContext: UIUserNotificationActionContext.Default)
shoppingListReminderCategory.setActions(actionsArrayMinimal as? [UIUserNotificationAction], forContext: UIUserNotificationActionContext.Minimal)
let categoriesForSettings = NSSet(objects: shoppingListReminderCategory)
// Register the notification settings.
let newNotificationSettings = UIUserNotificationSettings(forTypes: notificationTypes, categories: categoriesForSettings as? Set<UIUserNotificationCategory>)
UIApplication.sharedApplication().registerUserNotificationSettings(newNotificationSettings)
}
}
func setActions(actions: [AnyObject]!, forContext context: UIUserNotificationActionContext){}
func notificatioAppGoToBackground(){
let notificationCenter = NSNotificationCenter.defaultCenter()
notificationCenter.addObserver(self, selector: #selector(appMovedToBackground), name: UIApplicationWillResignActiveNotification, object: nil)
}
func appMovedToBackground() {
print("App moved to background!!!")
listenerSchedule()
}
func listenerSchedule() {
timer = NSTimer.scheduledTimerWithTimeInterval(10.0, target: self, selector: #selector(ViewController.startNotication), userInfo: nil, repeats: true)
}
func startNotication(){
let date = NSDate()
let dateComponets: NSDateComponents = NSCalendar.currentCalendar().components([.Day, .Month, .Year, .Hour, .Minute, .Minute], fromDate: date)
print("aguardando notificação \(dateComponets.second)" )
let localNotification = UILocalNotification()
//localNotification .fireDate = fixNotificationDate(datePicker.date) //usar com datepicker
localNotification.alertBody = "Teste de notificação"
localNotification.alertAction = "View List"
localNotification.category = "shoppingListReminderCategory"
UIApplication.sharedApplication().scheduleLocalNotification(localNotification)
}
导入UIKit
类ViewController:UIViewController、UITableViewDelegate、UITableViewDataSource、UITextFieldDelegate{
@IBOutlet弱var txtAddItem:UITextField！
@IBOutlet弱var tblShoppingList:UITableView！
@IBOUTLE弱变差按钮：UIButton！
@IBVAR弱日期选择器：UIDatePicker！
var shoppingList:NSMutableArray！
var timer=NSTimer（）
重写func viewDidLoad（）{
super.viewDidLoad（）
self.tblShoppingList.delegate=self
self.tblShoppingList.dataSource=self
self.txtAddItem.delegate=self
datePicker.hidden=true
loadShoppingList（）
setupNotificationSettings（）
NSNotificationCenter.defaultCenter（）.addObserver（self，选择器：#选择器（ViewController.handleModifyListNotification），名称：“modifyListNotification”，对象：nil）
NSNotificationCenter.defaultCenter（）.addObserver（self，选择器：#选择器（ViewController.handleDeleteListNotification），名称：“deleteListNotification”，对象：nil）
listenerSchedule（）
}
重写func didReceiveMemoryWarning（）{
超级。我收到了记忆警告（）
}
func handleModifyListNotification（）{
txtAddItem.becomeFirstResponder（）
}
func handleDeleteListNotification（）{
shoppingList.removeAllObjects（）
saveShoppingList（）
tblShoppingList.reloadData（）
}
func setupNotificationSettings（）{
让notificationSettings:UIUserNotificationSettings！=UIApplication.sharedApplication（）.currentUserNotificationSettings（）
如果（notificationSettings.types==UIUserNotificationType.None）{
让notificationTypes=UIUserNotificationType.Alert.union（UIUserNotificationType.Sound）
让justInformAction=UIMutableUserNotificationAction（）
justInformAction.identifier=“justInform”
justInformAction.title=“好的，明白了”
justInformAction.activationMode=UIUserNotificationActivationMode.Background
justInformAction.destromical=false
justInformAction.authenticationRequired=false
让modifyListAction=UIMutableUserNotificationAction（）
modifyListAction.identifier=“editList”
modifyListAction.title=“编辑列表”
modifyListAction.activationMode=UIUserNotificationActivationMode.前台
modifyListAction.destructive=false
modifyListAction.authenticationRequired=true
让TrasAction=UIMutableUserNotificationAction（）
trashAction.identifier=“trashAction”
trashAction.title=“删除列表”
TrashaAction.activationMode=UIUserNotificationActivationMode.Background
trashAction.destromical=true
trashAction.authenticationRequired=true
let actionsArray=NSArray（对象：justInformAction、modifyListAction、TrashaAction）
let actionsArrayMinimal=NSArray（对象：trashAction，modifyListAction）
let ShoppingListMemberCategory=UIMutableUserNotificationCategory（）
shoppingListReminderCategory.identifier=“shoppingListReminderCategory”
shoppingListReminderCategory.setActions（actionsArray为？[UIUserNotificationAction]，forContext:UIUserNotificationActionContext.Default）
shoppingListReminderCategory.setActions（actionsArrayMinimal为？[UIUserNotificationAction]，forContext:UIUserNotificationActionContext.Minimal）
let categoriesForSettings=NSSet（对象：shoppingListReminderCategory）
让newNotificationSettings=UIUserNotificationSettings（forTypes:notificationTypes，categories:categories for设置为？Set）
UIApplication.sharedApplication（）.registerUserNotificationSettings（newNotificationSettings）
}
}
func setActions（actions:[AnyObject]！，forContext上下文：UIUserNotificationActionContext）{}
func scheduleLocalNotification（）{
让localNotification=UILocalNotification（）
localNotification.fireDate=fixNotificationDate（datePicker.date）
localNotification.alertBody=“测试”
localNotification.alertAction=“查看列表”
localNotification.category=“ShoppingListMemberCategory”
UIApplication.sharedApplication（）.scheduleLocalNotification（localNotification）
}
func listenerSchedule（）{
timer=NSTimer.scheduledTimerWithTimeInterval（60.0，目标：self，选择器：#选择器（ViewController.startNotification），userInfo:nil，repeats:true）
}
func startNotation（）{
}
func fixNotificationDate（dateToFix:NSDate）->NSDate{
让dateComponets:NSDateComponents=NSCalendar.currentCalendar（）.components（[.Day、.Month、.Year、.Hour、.Minute]，fromDate:dateToFix）
dateComponets.second=0
让fixedDate:NSDate！=NSCalendar.currentCalendar（）.dateFromComponents（DateComponents）
返回固定日期
}
func textField应该返回（textField:UITextField）->Bool{
如果shoppingList==nil{
shoppingList=NSMutableArray（）
}
shoppingList.addObject（textField.text！）
tblShoppingList.reloadData（）
txtAddItem.text=“”
txtAddItem.resignFirstResponder（）辞职
saveShoppingList（）
返回真值
}
@iAction func scheduleReminder（发件人：AnyObject）{
如果datePicker.hidden{
AnimateMyView（tblShoppingList，viewToShow:datePicker）
UIApplication.sharedApplication（）.cancelAllLocalNotifications（）
}
否则{
AnimateMyView（日期选择器、视图显示：tblShoppingList）
scheduleLocalNotification（）
}
txtAddItem.enabled=！txtAddItem.enabled
}
func numberOfSectionsInTableView（tableView:UITableView）->Int{
返回1
}
func tableView（tableView:UITableView，numberofrowsinssection:Int）->Int
import UIKit
class ViewController: UIViewController {
var timer = NSTimer()
var backgroundTaskIdentifier: UIBackgroundTaskIdentifier?
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
notificatioAppGoToBackground()
setupNotificationSettings()
//call handle notifications
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(ViewController.handleModifyListNotification), name: "modifyListNotification", object: nil)
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(ViewController.handleDeleteListNotification), name: "deleteListNotification", object: nil)
backgroundTaskIdentifier = UIApplication.sharedApplication().beginBackgroundTaskWithExpirationHandler({
UIApplication.sharedApplication().endBackgroundTask(self.backgroundTaskIdentifier!)
})
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func alert(title:String, message:String ){
let alert = UIAlertController(title: title, message: message, preferredStyle: .Alert)
alert.addAction(UIAlertAction(title: "OK", style: .Default) { _ in })
self.presentViewController(alert, animated: true){}
}
func handleModifyListNotification() {
alert("Atenção", message: "Modificação")
}
func handleDeleteListNotification() {
print("executou a exclusao")
}
func setupNotificationSettings() {
let notificationSettings: UIUserNotificationSettings! = UIApplication.sharedApplication().currentUserNotificationSettings()
if (notificationSettings.types == UIUserNotificationType.None){
// Specify the notification types.
let notificationTypes = UIUserNotificationType.Alert.union(UIUserNotificationType.Sound)
let modifyListAction = UIMutableUserNotificationAction()
modifyListAction.identifier = "editList"
modifyListAction.title = "Edit list"
modifyListAction.activationMode = UIUserNotificationActivationMode.Foreground
modifyListAction.destructive = false
modifyListAction.authenticationRequired = true
let trashAction = UIMutableUserNotificationAction()
trashAction.identifier = "trashAction"
trashAction.title = "Delete list"
trashAction.activationMode = UIUserNotificationActivationMode.Background
trashAction.destructive = true
trashAction.authenticationRequired = true
let actionsArray = NSArray(objects: modifyListAction, trashAction)
let actionsArrayMinimal = NSArray(objects: trashAction, modifyListAction)
// Specify the category related to the above actions.
let shoppingListReminderCategory = UIMutableUserNotificationCategory()
shoppingListReminderCategory.identifier = "shoppingListReminderCategory"
shoppingListReminderCategory.setActions(actionsArray as? [UIUserNotificationAction], forContext: UIUserNotificationActionContext.Default)
shoppingListReminderCategory.setActions(actionsArrayMinimal as? [UIUserNotificationAction], forContext: UIUserNotificationActionContext.Minimal)
let categoriesForSettings = NSSet(objects: shoppingListReminderCategory)
// Register the notification settings.
let newNotificationSettings = UIUserNotificationSettings(forTypes: notificationTypes, categories: categoriesForSettings as? Set<UIUserNotificationCategory>)
UIApplication.sharedApplication().registerUserNotificationSettings(newNotificationSettings)
}
}
func setActions(actions: [AnyObject]!, forContext context: UIUserNotificationActionContext){}
func notificatioAppGoToBackground(){
let notificationCenter = NSNotificationCenter.defaultCenter()
notificationCenter.addObserver(self, selector: #selector(appMovedToBackground), name: UIApplicationWillResignActiveNotification, object: nil)
}
func appMovedToBackground() {
print("App moved to background!!!")
listenerSchedule()
}
func listenerSchedule() {
timer = NSTimer.scheduledTimerWithTimeInterval(10.0, target: self, selector: #selector(ViewController.startNotication), userInfo: nil, repeats: true)
}
func startNotication(){
let date = NSDate()
let dateComponets: NSDateComponents = NSCalendar.currentCalendar().components([.Day, .Month, .Year, .Hour, .Minute, .Minute], fromDate: date)
print("aguardando notificação \(dateComponets.second)" )
let localNotification = UILocalNotification()
//localNotification .fireDate = fixNotificationDate(datePicker.date) //usar com datepicker
localNotification.alertBody = "Teste de notificação"
localNotification.alertAction = "View List"
localNotification.category = "shoppingListReminderCategory"
UIApplication.sharedApplication().scheduleLocalNotification(localNotification)
}