苹果在iOS8之后有了全新的通知机制,当我们收到推送的消息时,或者锁屏的时候,让用户快捷的对通知进行操作,实现的效果图如下:
下面我们就来实现这个效果:
首先在页面上添加一个按钮,点击按钮发送本地通知,
UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
btn.frame = CGRectMake(100, 100, 100, 100);
btn.backgroundColor = [UIColor yellowColor];
[self.view addSubview:btn];
[btn addTarget:self action:@selector(btnAct:) forControlEvents:UIControlEventTouchUpInside];
按钮实现方法:
- (void)btnAct:(UIButton *)btn{
// 1. 创建消息上要添加的动作,以按钮的形式显示
// 1.1 接受按钮
UIMutableUserNotificationAction *acceptAction = [UIMutableUserNotificationAction new];
acceptAction.identifier = @"acceptAction"; // 添加标识
acceptAction.title = @"接受"; // 设置按钮上显示的文字
acceptAction.activationMode = UIUserNotificationActivationModeForeground; // 当点击的时候启动程序
// 1.2 拒绝按钮
UIMutableUserNotificationAction *rejectAction = [UIMutableUserNotificationAction new];
rejectAction.identifier = @"rejectAction";
rejectAction.title = @"拒绝";
rejectAction.activationMode = UIUserNotificationActivationModeBackground; // 当点击的时候不启动程序
rejectAction.authenticationRequired = YES; // 需要解锁才能处理,如果 rejectAction.activationMode = UIUserNotificationActivationModeForeground; 那么这个属性将被忽略
rejectAction.destructive = YES; // 按钮事件是否是不可逆转的
// 2. 创建动作的类别集合
UIMutableUserNotificationCategory *categorys = [UIMutableUserNotificationCategory new];
categorys.identifier = @"alert"; // 动作集合的标识
[categorys setActions:@[acceptAction, rejectAction]
forContext:UIUserNotificationActionContextMinimal]; // 把两个按钮添加到动作的集合中,并设置上下文样式
// 3. 创建UIUserNotificationSettings,并设置消息的显示类型
UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound) categories:[NSSet setWithObjects:categorys, nil]];
// 4. 注册通知
[[UIApplication sharedApplication] registerForRemoteNotifications];
[[UIApplication sharedApplication] registerUserNotificationSettings:settings];
// 我们使用本地通知为例,介绍如何显示出通知栏
UILocalNotification *notification = [UILocalNotification new];
if (notification != nil) {
notification.fireDate = [NSDate dateWithTimeIntervalSinceNow:2]; // 触发时间
notification.alertAction = @"alertAction"; // 定义查看通知的操作名
notification.hasAction = YES;
notification.alertBody = @"测试推送的快捷回复(通知的正文内容:武哥最帅)";
notification.soundName = UILocalNotificationDefaultSoundName; // 通知的背景声
notification.applicationIconBadgeNumber = 1; // 强迫症们最讨厌的图标左上角那个小数字
notification.category = @"alert";
notification.userInfo = @{@"key1": @"value1", @"key2": @"value2"}; // 给通知绑定一些处理通知时需要的额外的信息
// 根据触发事件的配置展示通知消息
[[UIApplication sharedApplication] scheduleLocalNotification:notification];
// 立即发送通知到手机
// [[UIApplication sharedApplication] presentLocalNotificationNow:notification];
}
}
然后我们需要在AppleDelegate协议方法里面做其他的事情:
// 成功注册通知后,会有回调方法,方法写在AppDelegate里
#pragma mark - 成功注册通知后会调用此方法
- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings
{
// 成功注册registerUserNotificationSetting: 后,回调方法
NSLog(@"成功注册%@", notificationSettings);
}
#pragma mark - 收到本地推送后调用的方法
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification
{
// 收到本地消息后调用的方法
NSLog(@"收到本地消息后调用的方法%@", notification);
// 图标上的数字减1
application.applicationIconBadgeNumber -= 1;
}
#pragma mark - 通知事件处理的回调方法
- (void)application:(UIApplication *)application handleActionWithIdentifier:(NSString *)identifier forLocalNotification:(UILocalNotification *)notification completionHandler:(void (^)())completionHandler
{
// 在非App页面收到本地消息,下拉消息会有快捷回复的按钮,点击后调用的方法,根据identifier来判断点击的是哪个按钮,notification为消息内容
NSLog(@"%@ --- %@", identifier, notification);
if ([identifier isEqualToString:@"acceptAction"]) {
NSLog(@"点击了接收按钮");
FirstViewController *firstVc = [[FirstViewController alloc]init];
UINavigationController *naVc = [[UINavigationController alloc]initWithRootViewController:firstVc];
self.window.rootViewController = naVc;
}else{
NSLog(@"点击拒绝的按钮");
}
// 处理完消息后,最后一定要调用这个代码块
completionHandler();
}
这样就实现了...