How does the popupwindow display recyclerview,item in android center?

such as the title.

is the recyclerview, displayed in popupwindows, so it is new.
CustomPopWindow just encapsulates some common operations of Popwindow

paste the relevant code below, please give some advice to solve the doubt!

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Recyclerview popupwindow android-ui android-studio android
Mar.09,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b9c936-2f315.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b9c936-2f315.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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