android - why ExpandableListView group item scrool to bottom by default? -

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android - why ExpandableListView group item scrool to bottom by default? -

i have 20 grouping items in expandablelistview displaying in 1 tab, , @ time 5 item can visible on screen.

i using setselectedgroup(9) set 10 grouping visible when expandablelistview loads. in case working want, items visible 10 15 on screen.

problem occurs when seek alter info set list 10 item , seek display first 5 item using setselectedgroup(0), in case when expandablelistview loads, bottom 5 iems visible on screen.

i want see top 5 items visible when alter info set list.

question why expandablelistview grouping items moves bottom of list? why cant display top.

can help me on please..

android expandablelistview

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