Android pie chart
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Application background Pie in Chart aChartEngine is actually a pie chart, is a data display.Its usage is also very simple, today on the Internet to see a person's summary (http://www.cnblogs.com/hanyonglu/archive/2012/02/20/2360334.html), so he also learned to try.Renderer specifies the style of the graph, such as the color of each element, the size of the title, the background color, and so on.Specifically how to set up, you can find from the official API inside.Then remember to modify the AndroidManifest.xml:Join a activity> <:Activity; android:name < = "org.achartengine.GraphicalActivity" />How to use chart pie.In fact, the use of aChartEngine is very simple, the use of different chart are the same, we do not need to call different chart different interfaces, interfaces are unified. So how should we use it? Summed up the two steps: Key Technology Call get*** ChartFactory () function to get a chart, to the pie chart, for example, Cha