How does Android implement a chart? Open Source Library Mpandroidchart tutorial [photos]

Mpandroidchart Effect Chart

How to use Mpandroidchart

Here we draw an example of a pie chart with the following steps:

XML Layout Code

The code is as follows	Copy Code
<com.github.mikephil.charting.charts.piechart Android:id= "@+id/spread_pie_chart" Android:layout_width= "Match_parent" android:layout_height= "320dip"/>

Initialize pie chart

The code is as follows

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Colortemplate mCt; MCt = new Colortemplate (); Mct.adddatasetcolors (colortemplate.pastel_colors, this); Mchart = (piechart) Headview.findviewbyid (R.id.spread_pie_chart); Mchart.setcolortemplate (mCt); Mchart.setdescription (""); Mchart.setholeradius (30f); Mchart.settransparentcircleradius (0f); Mchart.setcentertextsize (18f); Mchart.setdrawxvalues (TRUE); Mchart.setusepercentvalues (TRUE); Mchart.setdrawlegend (FALSE); Space between slices Mchart.setslicespace (1f); Mchart.setdrawholeenabled (FALSE); Mchart.settouchenabled (FALSE);

Binding chart Data

code is as follows

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ArrayList yvals = new ArrayList (); ArrayList xvals = new ArrayList (); for (int i = 0; i < listdatas.size (); i++) { Yvals.add (new Entry (float) listdatas.get (i). Getprovincecount (), i)); Xvals.add (Listdatas.get (i). Getprovincename ()); } DataSet Set1 = new DataSet (Yvals, "Content"); ArrayList datasets = new ArrayList (); Datasets.add (SET1); ChartData data = new ChartData (xvals, datasets); Mchart.setdata (data);

Summary: simple Android Chart requirements, we can use mpandroidchart very good solution. Of course, Mpandroidchart can also be very friendly to achieve complex Android graphics requirements, you can be the next official Chinese manual in-depth study.