//========================================
public class PieChartView extends View{

    private final static String[] RColors = {"#448c9b", "#789a98", "#a4a795", "#ac6226", "#ef3c5e", "#b17170", "#9a9a82", "#bda763"};

    private RectF rec;
    private Paint p = new Paint();
    private String[][] data = {
            {"Facebook", "20"},
            {"Twitter", "20"},
            {"Whats app", "20"},
            {"Pinterest", "20"},
            {"Baby App", "20"}
    };
    private int d = 0;
    private float textSize = 20f;

    //========================
    public PieChartView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    //========================
    public PieChartView(Context ctx){super(ctx);}

    //========================
    @Override
    public void onSizeChanged(int nw, int nh, int ow, int oh){
        super.onSizeChanged(nw, nh, ow, oh);
        d = nw>nh?nh:nw;
        rec = new RectF(0, 0, d, d);
        p.setFlags(Paint.ANTI_ALIAS_FLAG);
    }

    //========================
    public void setTextSize(float size){textSize=size;}

    //========================
    /**Set data to be shown in pie chart view
     * @param dList ArrayList of Object[], 1st element will contain the name, 2nd the percentage (int)
     */
    public void setData(ArrayList<Object[]> dList){
        data = new String[dList.size()][2];
        int i=0;
        for(Object[] op:dList){
            data[i++] = new String[]{op[0]+"",op[1]+""};
        }
    }
}