BoardFragment.java
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package com.huaheng.wms.fragment;
import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.ColorRes;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.github.mikephil.charting.animation.Easing;
import com.github.mikephil.charting.charts.BarChart;
import com.github.mikephil.charting.components.AxisBase;
import com.github.mikephil.charting.components.Description;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.LimitLine;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
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.Entry;
import com.github.mikephil.charting.formatter.IAxisValueFormatter;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import com.huaheng.wms.R;
import com.huaheng.wms.WMSLog;
import com.huaheng.wms.util.LocalJsonAnalyzeUtil;
import com.huaheng.wms.views.BarChartBean;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
public class BoardFragment extends BaseFragment {
private BarChart barChart;
private YAxis leftAxis; //左侧Y轴
private YAxis rightAxis; //右侧Y轴
private XAxis xAxis; //X轴
private Legend legend; //图例
private LimitLine limitLine; //限制线
@Override
public View layout(LayoutInflater inflater) {
View view = inflater.inflate(R.layout.activity_bar_chart, null);
return view;
}
@Override
public void releaseMemory() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = super.onCreateView(inflater, container, savedInstanceState);
barChart = rootView.findViewById(R.id.bar_chart);
initBarChart(barChart);
BarChartBean barChartBean = LocalJsonAnalyzeUtil.JsonToObject(getContext(),
"bar_chart.json", BarChartBean.class);
//处理数据是 记得判断每条柱状图对应的数据集合 长度是否一致
LinkedHashMap<String, List<Float>> chartDataMap = new LinkedHashMap<>();
List<String> xValues = new ArrayList<>();
List<Float> yValue1 = new ArrayList<>();
List<Float> yValue2 = new ArrayList<>();
List<Integer> colors = Arrays.asList(
getResources().getColor(R.color.blue), getResources().getColor(R.color.orange)
);
List<BarChartBean.StFinDateBean.VtDateValueBean> valueList = barChartBean.getStFinDate().getVtDateValue();
List<BarChartBean.StFinDateBean.VtDateValueAvgBean> avgValueList = barChartBean.getStFinDate().getVtDateValueAvg();
// Collections.reverse(valueList);
// Collections.reverse(avgValueList);
for (BarChartBean.StFinDateBean.VtDateValueBean valueBean : valueList) {
WMSLog.d("xValues:" + valueBean.getSYearMonth());
WMSLog.d("yValue1:" + valueBean.getFValue());
xValues.add(valueBean.getSYearMonth());
yValue1.add((float) valueBean.getFValue());
}
for (BarChartBean.StFinDateBean.VtDateValueAvgBean valueAvgBean : avgValueList) {
yValue2.add((float) valueAvgBean.getFValue());
WMSLog.d("yValue2:" + valueAvgBean.getFValue());
}
chartDataMap.put("总数量", yValue1);
chartDataMap.put("已收数量", yValue2);
showBarChart(xValues, chartDataMap, colors);
return rootView;
}
/**
* @param xValues X轴的值
* @param dataLists LinkedHashMap<String, List<Float>>
* key对应柱状图名字 List<Float> 对应每类柱状图的Y值
* @param colors
*/
public void showBarChart(final List<String> xValues, LinkedHashMap<String, List<Float>> dataLists,
@ColorRes List<Integer> colors) {
List<IBarDataSet> dataSets = new ArrayList<>();
int currentPosition = 0;//用于柱状图颜色集合的index
for (LinkedHashMap.Entry<String, List<Float>> entry : dataLists.entrySet()) {
String name = entry.getKey();
List<Float> yValueList = entry.getValue();
List<BarEntry> entries = new ArrayList<>();
for (int i = 0; i < yValueList.size(); i++) {
entries.add(new BarEntry(i, yValueList.get(i)));
}
// 每一个BarDataSet代表一类柱状图
BarDataSet barDataSet = new BarDataSet(entries, name);
initBarDataSet(barDataSet, colors.get(currentPosition));
dataSets.add(barDataSet);
currentPosition++;
}
//X轴自定义值
xAxis.setValueFormatter(new IAxisValueFormatter() {
@Override
public String getFormattedValue(float value, AxisBase axis) {
return xValues.get((int) Math.abs(value) % xValues.size());
}
});
//右侧Y轴自定义值
rightAxis.setValueFormatter(new IAxisValueFormatter() {
@Override
public String getFormattedValue(float value, AxisBase axis) {
return String.valueOf((int) (value));
}
});
BarData data = new BarData(dataSets);
data.setBarWidth(0.6f);
int barAmount = dataLists.size(); //需要显示柱状图的类别 数量
//设置组间距占比30% 每条柱状图宽度占比 70% /barAmount 柱状图间距占比 0%
float groupSpace = 0.2f; //柱状图组之间的间距
float barWidth = (1f - groupSpace) / barAmount;
float barSpace = 0f;
//设置柱状图宽度
data.setBarWidth(barWidth);
//(起始点、柱状图组间距、柱状图之间间距)
data.groupBars(0f, groupSpace, barSpace);
barChart.setData(data);
xAxis.setAxisMinimum(0f);
xAxis.setAxisMaximum(xValues.size());
//将X轴的值显示在中央
xAxis.setCenterAxisLabels(true);
}
/**
* 柱状图始化设置 一个BarDataSet 代表一列柱状图
*
* @param barDataSet 柱状图
* @param color 柱状图颜色
*/
private void initBarDataSet(BarDataSet barDataSet, int color) {
barDataSet.setColor(color);
barDataSet.setFormLineWidth(1f);
barDataSet.setFormSize(15.f);
//不显示柱状图顶部值
barDataSet.setDrawValues(false);
// barDataSet.setValueTextSize(10f);
// barDataSet.setValueTextColor(color);
}
private void initBarChart(final BarChart barChart) {
/***图表设置***/
//背景颜色
barChart.setBackgroundColor(Color.WHITE);
//不显示图表网格
barChart.setDrawGridBackground(false);
barChart.setDrawBorders(false); //不显示图表边框
Description description = new Description();
description.setEnabled(false);
barChart.setDescription(description); //不显示右下角描述内容
//背景阴影
barChart.setDrawBarShadow(false);
barChart.setHighlightFullBarEnabled(false);
//显示边框
barChart.setDrawBorders(true);
//设置动画效果
barChart.animateY(1000, Easing.EasingOption.Linear);
barChart.animateX(1000, Easing.EasingOption.Linear);
/***XY轴的设置***/
//X轴设置显示位置在底部
xAxis = barChart.getXAxis();
xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
// xAxis.setAxisMinimum(0f);
xAxis.setGranularity(1f);
leftAxis = barChart.getAxisLeft();
rightAxis = barChart.getAxisRight();
//保证Y轴从0开始，不然会上移一点
// leftAxis.setAxisMinimum(0f);
// rightAxis.setAxisMinimum(0f);
xAxis.setDrawAxisLine(false);
leftAxis.setDrawAxisLine(false);
rightAxis.setDrawAxisLine(false); //不显示X轴 Y轴线条
leftAxis.setEnabled(false); //不显示左侧Y轴
//不显示X轴网格线
xAxis.setDrawGridLines(false);
//右侧Y轴网格线设置为虚线
rightAxis.enableGridDashedLine(10f, 10f, 0f);
barChart.setDrawGridBackground(false);
/***折线图例 标签 设置***/
legend = barChart.getLegend();
legend.setForm(Legend.LegendForm.LINE);
legend.setTextSize(11f);
//显示位置
legend.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
legend.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
legend.setOrientation(Legend.LegendOrientation.HORIZONTAL);
//是否绘制在图表里面
legend.setDrawInside(false);
barChart.setOnChartValueSelectedListener(new OnChartValueSelectedListener() {
@Override
public void onValueSelected(Entry e, Highlight h) {
for (IBarDataSet dataSet : barChart.getBarData().getDataSets()) {
BarEntry entry = dataSet.getEntryForIndex((int) e.getX());
WMSLog.d("entry:" + entry.toString());
}
}
@Override
public void onNothingSelected() {
}
});
}
}