android - Add background across day in CombinedChart MpAndroidChart library -

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i need current task. didn't find solutions that. need show info current , previous week in combinedchart. group data in grouped bardata , add 2 linedataset chart. chart below. enter image description here

but don`t know how can select(highlight) interval of day across 1 day (example mon, wed, fri).

i need achive this. enter image description here

i don't know how add background or shadow behind specific grouped barentries?

any ideas?

thank time!





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