android - PieChart adding scrollview in achartEngine? -

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how adding scrollview in piechart graph using achartengine . trying below way add scrollview

1) adding linearlayout(graphview) parent scrollview
2)other way -mrender.setinscroll(true) not working

in 1st way not showing graph problem , 2nd way not scrolling view

how graphview scrolling (how show piegraph legend item)??

under scrollview have insert

android:fillviewport="true"

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