前言
iOS 10 中废弃了 UILocalNotification （ UIKit Framework ） 这个类，采用了全新的 UserNotifications Framework 来推送通知，从此推送通知也有了自己的标签 UN （这待遇真是没别人了），以及对推送功能的一系列增强改进（两个 extension 和 界面的体验优化），简直是苹果的亲儿子，因此推送这部分功能也成为开发中的重点。
本文主要查看了 iOS 10 的相关文档，整理出了在 iOS 10 下的本地推送通知，由于都是代码，就不多做讲解，直接看代码及注释，有问题留言讨论哦。
新的推送注册机制
注册通知（ Appdelegate.m ）：
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#import <UserNotifications/UserNotifications.h>#import "AppDelegate.h"@interface AppDelegate ()<UNUserNotificationCenterDelegate>@end@implementation AppDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // 使用 UNUserNotificationCenter 来管理通知 UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter]; //监听回调事件 center.delegate = self; //iOS 10 使用以下方法注册，才能得到授权 [center requestAuthorizationWithOptions:(UNAuthorizationOptionAlert + UNAuthorizationOptionSound) completionHandler:^(BOOL granted, NSError * _Nullable error) { // Enable or disable features based on authorization. }]; //获取当前的通知设置，UNNotificationSettings 是只读对象，不能直接修改，只能通过以下方法获取 [center getNotificationSettingsWithCompletionHandler:^(UNNotificationSettings * _Nonnull settings) { }]; return YES;}#pragma mark - UNUserNotificationCenterDelegate//在展示通知前进行处理，即有机会在展示通知前再修改通知内容。-(void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler{ //1. 处理通知 //2. 处理完成后条用 completionHandler ，用于指示在前台显示通知的形式 completionHandler(UNNotificationPresentationOptionAlert);}@end |
推送本地通知
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//使用 UNNotification 本地通知+(void)registerNotification:(NSInteger )alerTime{ // 使用 UNUserNotificationCenter 来管理通知 UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter]; //需创建一个包含待通知内容的 UNMutableNotificationContent 对象，注意不是 UNNotificationContent ,此对象为不可变对象。 UNMutableNotificationContent* content = [[UNMutableNotificationContent alloc] init]; content.title = [NSString localizedUserNotificationStringForKey:@"Hello!" arguments:nil]; content.body = [NSString localizedUserNotificationStringForKey:@"Hello_message_body" arguments:nil]; content.sound = [UNNotificationSound defaultSound]; // 在 alertTime 后推送本地推送 UNTimeIntervalNotificationTrigger* trigger = [UNTimeIntervalNotificationTrigger triggerWithTimeInterval:alerTime repeats:NO]; UNNotificationRequest* request = [UNNotificationRequest requestWithIdentifier:@"FiveSecond" content:content trigger:trigger]; //添加推送成功后的处理！ [center addNotificationRequest:request withCompletionHandler:^(NSError * _Nullable error) { UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"本地通知" message:@"成功添加推送" preferredStyle:UIAlertControllerStyleAlert]; UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil]; [alert addAction:cancelAction]; [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:alert animated:YES completion:nil]; }];} |
iOS 10 以前本地推送通知：
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+ (void)registerLocalNotificationInOldWay:(NSInteger)alertTime { // ios8后，需要添加这个注册，才能得到授权 // if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) { // UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound; // UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:type // categories:nil]; // [[UIApplication sharedApplication] registerUserNotificationSettings:settings]; // // 通知重复提示的单位，可以是天、周、月 // } UILocalNotification *notification = [[UILocalNotification alloc] init]; // 设置触发通知的时间 NSDate *fireDate = [NSDate dateWithTimeIntervalSinceNow:alertTime]; NSLog(@"fireDate=%@",fireDate); notification.fireDate = fireDate; // 时区 notification.timeZone = [NSTimeZone defaultTimeZone]; // 设置重复的间隔 notification.repeatInterval = kCFCalendarUnitSecond; // 通知内容 notification.alertBody = @"该起床了..."; notification.applicationIconBadgeNumber = 1; // 通知被触发时播放的声音 notification.soundName = UILocalNotificationDefaultSoundName; // 通知参数 NSDictionary *userDict = [NSDictionary dictionaryWithObject:@"开始学习iOS开发了" forKey:@"key"]; notification.userInfo = userDict; // ios8后，需要添加这个注册，才能得到授权 if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) { UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound; UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:type categories:nil]; [[UIApplication sharedApplication] registerUserNotificationSettings:settings]; // 通知重复提示的单位，可以是天、周、月 notification.repeatInterval = NSCalendarUnitDay; } else { // 通知重复提示的单位，可以是天、周、月 notification.repeatInterval = NSDayCalendarUnit; } // 执行通知注册 [[UIApplication sharedApplication] scheduleLocalNotification:notification];} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
