本地推送(iOS 10之前及之后推送的调用)

本地推送通知

本地通知服务主要是处理基于时间行为的通知，比如定时的提醒一些自定义事情，当然还有就是基于区域或位置的通知，主要是当你进入不同的省市会有不同的推送。

在iOS10苹果废弃了之前的UILocalNotification，而采用了新的UserNotifications Framework来推送通知。因此，在注册之前首先要判断系统版本，然后再注册，代码如下：

1.注册

判断系统版本的宏

/**
 *  判断系统版本
 */
#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

注册是在AppDelegate的didFinishLaunchingWithOptions方法里面进行

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    
    //判断系统是否是iOS 10之后
    if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"10.0")) {
        UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
      //设置代理
        center.delegate = self;
        // 申请通知权限
        [center requestAuthorizationWithOptions:UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert completionHandler:^(BOOL granted, NSError * _Nullable error) {
            if (granted) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    [[UIApplication sharedApplication] registerForRemoteNotifications];
                });
            }
        }];
        [center getNotificationSettingsWithCompletionHandler:^(UNNotificationSettings * _Nonnull settings) {
            NSLog(@"======注册成功要处理的事情========");
        }];
    }else {
        if([application respondsToSelector:@selector(registerUserNotificationSettings:)]) {
            UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound categories:nil];
            [application registerUserNotificationSettings:settings];
            [application registerForRemoteNotifications];
        }
    }
    return YES;
}

2.配置推送内容

iOS 10之前

-(void)pushNotificationWithMsg:(NSDictionary *)params  {
    //创建本地通知对象
    UILocalNotification *localNoti  = [[UILocalNotification alloc] init];
    //通知触发时间
    localNoti.fireDate = [NSDate dateWithTimeIntervalSinceNow:15];
    //设置提醒内容
    localNoti.alertBody = @"又一个四季在变幻,我已不是不是那个无悔的少年,青春被时光抛弃已是当父亲的年纪";
    //设置弹出框的标题
    [localNoti setAlertTitle:@"本地通知测试"];
    //通知声音
    localNoti.soundName = UILocalNotificationDefaultSoundName;
    //设置提醒的按钮文字 / 锁屏时界面底部的闪光文字
    localNoti.alertAction = @"锁屏状态下";
    //角标
    localNoti.applicationIconBadgeNumber = 1;
    //设置重复，每隔多久重复发一次推送通知 注意：如果你的通知没有消除，即使卸载了程序，这依然会残留，在下次装入的时候会继续运行
    localNoti.repeatInterval = NSCalendarUnitMinute;
    //设置通知推送携带的参数，一般用于点击通知打开指定控制器页面
    localNoti.userInfo = @{@"selectIndex" : @"xhj"};
}

调度本地通知 ,将本地通知加入本地通知调度池

[[UIApplication sharedApplication] scheduleLocalNotification:localNotifi];

注意:如果重复次数为0的话，通知了一次这个通知就会从系统消除,但大于1的话就需要自己手动删除，否则，即使你卸载了程序，依然会残留，在下次装入的时候还会继续运行

//删除通知
- (void)cancleLocalNoti {
    NSArray *notifiArray = [UIApplication sharedApplication].scheduledLocalNotifications;
    for (UILocalNotification *local in notifiArray) {
        //将来可以根据UserInfo的值，来查看这个是否是你想要删除的通知
        if (local.userInfo) {
            //删除单个通知
            [[UIApplication sharedApplication]cancelLocalNotification:local];
        }
    }
}

iOS 10及以后系统

UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
        //需创建一个包含待通知内容的 
        UNMutableNotificationContent* content = [[UNMutableNotificationContent alloc] init];
        content.title = [NSString localizedUserNotificationStringForKey:@"Hello!" arguments:nil];
        content.body = [NSString localizedUserNotificationStringForKey:@"Hello_message_body" arguments:nil];
         //声音
        content.sound = [UNNotificationSound defaultSound];
        // 图片
        /*
        NSURL *imageUrl = [[NSBundle mainBundle] URLForResource:@"msgImg" withExtension:@"png"];
        UNNotificationAttachment *attachment = [UNNotificationAttachment attachmentWithIdentifier:@"imageIndetifier" URL:imageUrl options:nil error:nil];
        content.attachments = @[attachment];
      */
        
        // 创建通知触发时间
        UNTimeIntervalNotificationTrigger* trigger = [UNTimeIntervalNotificationTrigger
                                                      triggerWithTimeInterval:10 repeats:NO];
        //创建通知请求
        UNNotificationRequest* request = [UNNotificationRequest requestWithIdentifier:@"FiveSecond"
                                                                              content:content trigger:trigger];
        
        //将请求加入通知中心
        [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];
            NSLog(@"=======添加推送成功后的处理==========");
        }];

3.接收通知

iOS 10之前

程序处于前台或后台时候
接收到本地通知后调用AppDelegate的代理方法，当程序处于前台的时候直接返回不做任何处理（通过UIApplicationState的applicationState属性进行判断），如果处于后台根据notification的useinfo进行区分作相应的处理，代码如下：

//接收到本地通知点击处理事件
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
    [self changeLocalNotifi:notification];
}

- (void)changeLocalNotifi:(UILocalNotification *)notification {
    // 如果程序处于前台直接返回
    if ([UIApplication sharedApplication].applicationState == UIApplicationStateActive) {
        return;
    }
    // 获取通知信息
    NSString *selectIndex = notification.userInfo[@"selectIndex"];
    notification.applicationIconBadgeNumber = 0;
    //当通知很多时候，可以通过notification的useinfo来区分不同的通知处理不同的事情
    if ([selectIndex isEqualToString:@"xhj"])
    {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"我接受到通知并做了相应的处理" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
        [alert show];

    }
}

判断用户当前是否是激活状态

@property(nonatomic,readonly) UIApplicationState applicationState;
//判断用户当前是否是激活状态 ,枚举值：
UIApplicationStateActive,     激活
UIApplicationStateInactive,     将要激活
UIApplicationStateBackground     后台

程序处于退出状态的处理
在 AppDelegate 的 didFinishLaunchingWithOptions 方法中添加如下代码，之后还是调用上面代码中的 changeLocalNotifi: 方法，代码如下：

  if (launchOptions[UIApplicationLaunchOptionsLocalNotificationKey]) {
        UILocalNotification *localNotifi = launchOptions[UIApplicationLaunchOptionsLocalNotificationKey];
        [self changeLocalNotifi:localNotifi];
    }

点击通知处理角标数
当点击通知再次进入程序的时候，app的角标数就要变为0，这是需要在AppDelegate的代理方法applicationWillEnterForeground里面进行如下设置：

- (void)applicationWillEnterForeground:(UIApplication *)application {
     [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
}

iOS 10及之后

程序处于前台时候会走下面这个代理

- (void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler {
    NSLog(@"前台收到通知作相应的处理");
}

程序处于后台时候(原理同上相同)

- (void)userNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)(void))completionHandler {

    [self changeLocalUNNotifi:response];
}

- (void)changeLocalUNNotifi:(UNNotificationResponse *)response {
    // 如果在前台直接返回
    if ([UIApplication sharedApplication].applicationState == UIApplicationStateActive) {
        return;
    }
    //
    NSString *selectIndex = response.notification.request.content.userInfo[@"selectIndex"];
    if ([selectIndex isEqualToString:@"xhj"]){
        
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"都死啦发货啦上过课拉伸的" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
        [alert show];
    }
}

当程序退出的时候处理以及再次进入程序的角标数处理的方法和iOS 10之前的一样。

欢迎大家看过后，对文章做出评价，与指导！

本地推送(iOS 10之前及之后推送的调用)

本地推送通知

1.注册

2.配置推送内容

3.接收通知

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