AChartEngine是为android应用而设计的绘图工具库。目前该库的最新稳定版本是0.7，支持绘制以下类型的图表: ?line chart ?area chart ?scatter chart ?time chart ?bar chart ?pie chart ?bubble chart ?doughnut chart ?range (high-low) bar chart ?dial chart / gauge ?combined (any combination of line, c