LineChartMarkView.java
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package com.huaheng.wms.barchart;
import android.annotation.SuppressLint;
import android.content.Context;
import android.widget.TextView;
import com.github.mikephil.charting.charts.Chart;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.components.MarkerView;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import com.github.mikephil.charting.formatter.IAxisValueFormatter;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;
import com.github.mikephil.charting.utils.MPPointF;
import com.huaheng.wms.R;
import java.text.DecimalFormat;
import java.util.List;
/**
* Created by xhu_ww on 2018/6/1.
* description:
*/
public class LineChartMarkView extends MarkerView {
private TextView tvDate;
private TextView tvValue0;
private TextView tvValue1;
private IAxisValueFormatter xAxisValueFormatter;
DecimalFormat df = new DecimalFormat("0.00");
public LineChartMarkView(Context context, IAxisValueFormatter xAxisValueFormatter) {
super(context, R.layout.layout_markview);
this.xAxisValueFormatter = xAxisValueFormatter;
tvDate = (TextView) findViewById(R.id.tv_date);
tvValue0 = (TextView) findViewById(R.id.tv_value0);
tvValue1 = (TextView) findViewById(R.id.tv_value1);
}
@SuppressLint("SetTextI18n")
@Override
public void refreshContent(Entry e, Highlight highlight) {
Chart chart = getChartView();
if (chart instanceof LineChart) {
LineData lineData = ((LineChart) chart).getLineData();
//获取到图表中的所有曲线
List<ILineDataSet> dataSetList = lineData.getDataSets();
for (int i = 0; i < dataSetList.size(); i++) {
LineDataSet dataSet = (LineDataSet) dataSetList.get(i);
//获取到曲线的所有在Y轴的数据集合，根据当前X轴的位置 来获取对应的Y轴值
float y = dataSet.getValues().get((int) e.getX()).getY();
if (i == 0) {
tvValue0.setText(dataSet.getLabel() + "：" + (int)y);
}
if (i == 1) {
tvValue1.setText(dataSet.getLabel() + "：" + (int)y);
}
}
tvDate.setText(xAxisValueFormatter.getFormattedValue(e.getX(), null));
}
super.refreshContent(e, highlight);
}
@Override
public MPPointF getOffset() {
return new MPPointF(-(getWidth() / 2), -getHeight());
}
}