使用UILocalNotification除了可以实现本地消息的推送功能（可以设置推送内容，推送时间，提示音），还可以设置应用程序右上角的提醒个数。
下面演示如何设置，效果图如下：
--- AppDelegate.swift ---
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import UIKit
@UIApplicationMainclass AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
func application(application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
application.registerUserNotificationSettings(UIUserNotificationSettings(
forTypes: UIUserNotificationType.Sound | UIUserNotificationType.Alert |
UIUserNotificationType.Badge, categories: nil))
return true
}
func applicationWillResignActive(application: UIApplication) {
}
func applicationDidEnterBackground(application: UIApplication) {
}
func applicationWillEnterForeground(application: UIApplication) {
}
func applicationDidBecomeActive(application: UIApplication) {
}
func applicationWillTerminate(application: UIApplication) {
}
} |
--- ViewController.swift ---
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import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
//发送通知消息
scheduleNotification();
}
//发送通知消息
func scheduleNotification(){
//清除所有本地推送
UIApplication.sharedApplication().cancelAllLocalNotifications()
//创建UILocalNotification来进行本地消息通知
var localNotification = UILocalNotification()
//设置应用程序右上角的提醒个数
localNotification.applicationIconBadgeNumber = 78;
UIApplication.sharedApplication().scheduleLocalNotification(localNotification)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
} |