股票行情图：Udp更新数据（MPAndroidChart更新视图）

1.1

import com.github.mikephil.charting.charts.CombinedChart;
import com.github.mikephil.charting.data.BarData;
import com.github.mikephil.charting.data.BarDataSet;
import com.github.mikephil.charting.data.BarEntry;
import com.github.mikephil.charting.data.CandleData;
import com.github.mikephil.charting.data.CandleDataSet;
import com.github.mikephil.charting.data.CandleEntry;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;


/**
 * Created by wblobin on 2016/8/29.
 * qq：563084073
 */
public class CalculateChartUDP {

    public static boolean addLine(CombinedChart kline_chart, float entryVals[]) {
        boolean isAddSuccess = false;
        LineData lineData = kline_chart.getLineData();
        boolean isAdd[] = new boolean[3];
        if (lineData != null) {
            int dataSetCount = lineData.getDataSetCount();
            for (int i = 0; i < dataSetCount; i++) {
                LineDataSet lineDataSet = (LineDataSet) lineData.getDataSetByIndex(i);
                if (lineDataSet != null) {
                    int count = lineDataSet.getEntryCount();
                    //Entry entry = new Entry(getSum(CMAs[i], kLineDatas.size() - 1), count);
                    Entry entry = new Entry(entryVals[i], count);
                    isAdd[i] = lineDataSet.addEntry(entry);
                    if (isAdd[i]) {
                        isAddSuccess = true;
                        lineDataSet.notifyDataSetChanged();
                    } else {
                        return false;
                    }
                }
            } 
        }
        return isAddSuccess;
    }

    public static boolean addCandle(CombinedChart kline_chart, float open, float close, float high, float low ) {
        boolean isAddSuccess = false;
        CandleData candleData = kline_chart.getCandleData();
        if (candleData != null) {
            int indexLastDataSet = candleData.getDataSetCount() - 1;
            CandleDataSet candleDataSet = (CandleDataSet) candleData.getDataSetByIndex(indexLastDataSet);
            if (candleDataSet != null) {
                int count = candleDataSet.getEntryCount();
                CandleEntry candleEntry = new CandleEntry(count, high, low, open, close);
                isAddSuccess = candleDataSet.addEntry(candleEntry);
                if (isAddSuccess) {
                    candleDataSet.notifyDataSetChanged();
                }
            }
        }
        return isAddSuccess;
    }

    public static boolean addBar(CombinedChart kline_chart, float barEntryVal) {
        boolean isAddSuccess = false;
        BarData barData = kline_chart.getBarData();
        if (barData != null) {
            int indexLastDataSet = barData.getDataSetCount() - 1;
            BarDataSet barDataSet = (BarDataSet) barData.getDataSetByIndex(indexLastDataSet);
            if (barDataSet != null) {
                int count = barDataSet.getEntryCount();
                BarEntry barEntry = new BarEntry(barEntryVal, count);
                isAddSuccess = barDataSet.addEntry(barEntry);
                if (isAddSuccess) {
                    barDataSet.notifyDataSetChanged();
                }
            }
        }
        return isAddSuccess;
    }


    public static boolean removeLine(CombinedChart kline_chart) {
        boolean isRemoveSuccess = false;
        boolean isRemove[] = new boolean[3];
        LineData lineData = kline_chart.getLineData();
        if (lineData != null) {
            int dataSetCount = lineData.getDataSetCount();
            for (int i = 0; i < dataSetCount; i++) {
                LineDataSet lineDataSet = (LineDataSet) lineData.getDataSetByIndex(i);
                if (lineDataSet != null) {
                    int count = lineDataSet.getEntryCount();
                    isRemove[i] = lineData.removeEntry(lineDataSet.getEntryForXIndex(count - 1), i); 
                }
            }
            if (isRemove[0] && isRemove[1] && isRemove[2]) {
                isRemoveSuccess = true;
                lineData.notifyDataChanged();
            }
        }
        return isRemoveSuccess;
    }

    public static boolean removeCanadle(CombinedChart kline_chart) {
        boolean isRemoveSuccess = false;
        CandleData candleData = kline_chart.getCandleData();
        if (candleData != null) {
            int indexLastDataSet = candleData.getDataSetCount() - 1;
            CandleDataSet candleDataSet = (CandleDataSet) candleData.getDataSetByIndex(indexLastDataSet);
            if (candleDataSet != null) {
                int count = candleDataSet.getEntryCount();
                isRemoveSuccess = candleData.removeEntry(candleDataSet.getEntryForXIndex(count - 1), indexLastDataSet); 
                if (isRemoveSuccess) {
                    candleData.notifyDataChanged();
                } 
            }

        }
        return isRemoveSuccess;
    }

    public static boolean removeBar(CombinedChart kline_chart) {
        boolean isRemoveSuccess = false;
        BarData barData = kline_chart.getBarData();
        if (barData != null) {
            int indexLastDataSet = barData.getDataSetCount() - 1;
            BarDataSet barDataSet = (BarDataSet) barData.getDataSetByIndex(indexLastDataSet);
            if (barDataSet != null) {
                int count = barDataSet.getEntryCount();
                isRemoveSuccess = barData.removeEntry(barDataSet.getEntryForXIndex(count - 1), indexLastDataSet); 
                if (isRemoveSuccess) {
                    barData.notifyDataChanged();
                }
            }
        }
        return isRemoveSuccess;
    }

}