How can Android make Amap's marker display dynamically as the map moves?

how does Android make Amap"s marker display dynamically as the map moves?
is just like sharing a bike, moving to one place to show the current point, and not displaying the marker point where the screen returns.

Mar.23,2021

Map status change Monitor (Baidu is onMapStatusChanged)
1, clear marker
2, upload Map Center, request data
3, load marker

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-64f5-1b3e50d-2c3fc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3e50d-2c3fc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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