How to set message pop-up for oppo mobile phone?

How to use the lock screen notification: 1, ColorOS 1 1 and above. Go to Settings > Permissions and Privacy/Privacy > Screen Lock Notification, and select the screen lock notification method you need. 2. For ColorOS 7 and above, enter "Settings >"; You can set the notification and status bar > notification management > screen lock notification uniformly for all applications (you can choose to display the notification content, display the notification but hide the content and not display the notification), or you can select an application and click to check the screen lock notification (click to uncheck it again). Tips: ① The screen lock notification function can only be displayed normally when the phone is slid and unlocked, and other third-party screen locks cannot be displayed. ② When the screen lock password is not set, enter "Settings >"; Notification and status bar > notification management > screen lock notification ",only two items are displayed: notification content and no display." This answer applies to all OPPO models.