android-with Achartengine appeased shape diagram

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Code

http://download.csdn.net/detail/miaoyunzexiaobao/8386183

Steps:

1. Introduction of Achartengine Package

2. Write the drawing function: the first parameter of this function is the layout variable (where the pie chart is placed), the second argument is a double array (controls the proportions in the pie chart)

public void Drawpie (LinearLayout layout, double[] value) {int[] COLORS = new int[] {color.green, color.blue, Color.Black, Color.magenta, Color.cyan}; Categoryseries mseries = new Categoryseries ("");D efaultrenderer mrenderer = new Defaultrenderer (); Graphicalview Mchartview;mchartview = Chartfactory.getpiechartview (this, mseries, mrenderer); Layout.addView ( Mchartview, New Layoutparams (layoutparams.match_parent,layoutparams.match_parent)); Mrenderer.removeallrenderers ( ); Mseries.clear (); for (double v:value) {Mseries.add ("Series" + (Mseries.getitemcount () + 1), V); Simpleseriesrenderer renderer = new Simpleseriesrenderer () Renderer.setcolor (colors[(Mseries.getitemcount ()-1)% Colors.length]); Mrenderer.addseriesrenderer (renderer);} Mchartview.repaint ();}

3. In the OnCreate in Mainactivity, add:

Double[] Value = {10.00, 20.00, 30.00, 40.00, 50.00};D Rawpie ((linearlayout) Findviewbyid (R.id.chart), value);

The Drawpie function is detailed:

The program calls the Drawpie function in the Oncreat function to draw a pie chart in the activity.

Variable:

Categoryseries mseries: Data set

Defaultrenderer mrenderer: Chart Settings set

Graphicalview mchartview: Pie chart control

The function first places the Mchartview in the incoming linearlayout, and then resets Mrenderer and Mseries.

Then use for to traverse the incoming values. For each value, perform the following actions:

1. Add title and value to Mseries

2. Addseriesrenserer in Mrenserer

Finally redraw the Mchartview

android-with Achartengine appeased shape diagram