???????An elegant modern declarative data visualization chart framework for Android . Extremely powerful, supports line, spline, area, areaspline, column, bar, pie, scatter, angular gauges, arearange, areasplinerange, columnrange, bubble, box plot, error bars, funnel, waterfall and polar chart types.?其精美而又强大的 Android ?据可?化?表?架,支持柱??、?形?、折??、曲??、折?…