android - ExpandableListView with custom row backgrounds -

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enter image description here

i'm android newbie. want create screen expandable headers illustrated. i've created 1st row "gff" shown. however, each row under gff shows space in between rows. also, listview does'nt fill width of screen , leaves margin on sides , above.

how can header , caption fill entire length of screen shown in diagram? also, how can rows show different color?

is there example or code similar?

try setting divider of listview null, listview.setdivider(null), should help. can set listview.setselector(null) should remove unnecessary margins.


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