ios本地推送

// 本地通知回调函数，当应用程序在前台时调用
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
    NSLog(@"noti:%@",notification);
    
    // 这里真实需要处理交互的地方
    // 获取通知所带的数据
    NSString *key = [notification.userInfo objectForKey:LocalPushKey];
    NSString *title = [notification.userInfo objectForKey:@"title"];
    NSString *content = [notification.userInfo objectForKey:@"content"];
    
    NSString *sysVersion = [UIDevice currentDevice].systemVersion;
    CGFloat version = [sysVersion floatValue];
    
    if (version >= 8.0) {
        UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:content preferredStyle:UIAlertControllerStyleAlert];
        UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:nil];
        [alertController addAction:okAction];
        [[UIApplication sharedApplication].keyWindow.rootViewController  presentViewController:alertController animated:YES completion:nil];
    }
    else {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title
                                                        message:content
                                                       delegate:nil
                                              cancelButtonTitle:@"OK"
                                              otherButtonTitles:nil];
        [alert show];

    }
    // 更新显示的徽章个数
    NSInteger badge = [UIApplication sharedApplication].applicationIconBadgeNumber;
    badge--;
    badge = badge >= 0 ? badge : 0;
    [UIApplication sharedApplication].applicationIconBadgeNumber = badge;
    
    // 在不需要再推送时，可以取消推送
    [AppController cancelLocalNotificationWithKey:key];
}

// 设置本地通知
+ (void)registerLocalNotification:(NSNumber *)alertTime key:(NSString *)key alertBody:(NSString *)alertBody title:(NSString *) title content:(NSString *) content{
    //NSLog(@"registerLocalNotification:   %long   %@   %@   %@   %@", [alertTime integerValue], key, alertBody, title, content);
    UILocalNotification *notification = [[UILocalNotification alloc] init];
    // 设置触发通知的时间
    NSDate *fireDate = [NSDate dateWithTimeIntervalSinceNow:[alertTime integerValue]];
    //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.alertTitle = @"通知";
    notification.alertBody = alertBody;
    notification.applicationIconBadgeNumber = 1;
    // 通知被触发时播放的声音
    notification.soundName = UILocalNotificationDefaultSoundName;
    // 通知参数
    NSDictionary *userDict = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects: key, title, content, nil] forKeys:[NSArray arrayWithObjects: LocalPushKey, @"title", @"content", nil]];//[NSDictionary dictionaryWithObject:userDictData  forKey:LocalPushKey];
    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];
}

// 取消某个本地推送通知
+ (void)cancelLocalNotificationWithKey:(NSString *)key {
    // 获取所有本地通知数组
    NSArray *localNotifications = [UIApplication sharedApplication].scheduledLocalNotifications;
    
    for (UILocalNotification *notification in localNotifications) {
        NSDictionary *userInfo = notification.userInfo;
        if (userInfo) {
            // 根据设置通知参数时指定的key来获取通知参数
            NSString *userKey = [userInfo objectForKey:LocalPushKey];
            // 如果找到需要取消的通知，则取消
            if (userKey != nil && [userKey isEqualToString:key]) {
                [[UIApplication sharedApplication] cancelLocalNotification:notification];
                break;
            }
        }
    }
}