Recently, the king of Samsung s8 mobile phone always prompts that the floating window cannot be displayed. Please open the application that may appear at the top. What happened?

S8 mobile phone supports the floating window preview function, which can preview details such as pictures, videos, short messages, speed dials, etc., and improve browsing efficiency. The method is as follows: \x0d\ 1. Open floating window preview: enter application-settings-floating window preview-open floating window preview-open information preview, progress preview and speed dial preview. \x0d\2。 Use the floating window to preview: information preview: enter the information page, hover your finger over the information, and you can see that the information preview box will appear on the interface. When your hand hovers over pictures, emails and calendars, there will be related previews. Take "pictures" as an example. Preview of progress: in the video playing interface, click the position of the progress bar to preview the video content played at this time. \x0d\ Speed Dial Preview: After setting the speed dial key, put your finger on the dial key and a preview message will appear on your mobile phone.