Android imitates WeChat to receive messages. If there is a message on the taskbar, when you click on WeChat to open WeChat (without clicking on the message), the taskbar message reminder will automati

Android imitates WeChat to receive messages. If there is a message on the taskbar, when you click on WeChat to open WeChat (without clicking on the message), the taskbar message reminder will automatically disappear.

When displaying NC, call NotificationManager.notify(int id, Notification

notification), which will pass an id value, so when you open the interface, call NotificationManager.cancel (int id), just pass in the id of the NC you want to cancel.