怎么用Android的HelloChart绘制多折线图

本文小编为大家详细介绍"怎么用Android的HelloChart绘制多折线图"，内容详细，步骤清晰，细节处理妥当，希望这篇"怎么用Android的HelloChart绘制多折线图"文章能帮助大家解决疑惑，下面跟着小编的思路慢慢深入，一起来学习新知识吧。

一、效果图

二、实现步骤

1.添加依赖库

compile 'com.github.lecho:hellocharts-android:v1.5.8'

2.布局文件

3.Activity类

package com.aldx.hccraftsman.activity;import android.content.Context;import android.content.Intent;import android.graphics.Color;import android.graphics.Matrix;import android.graphics.Typeface;import android.os.Bundle;import android.view.View;import android.view.Window;import android.view.WindowManager;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import com.aldx.hccraftsman.R;import com.aldx.hccraftsman.application.Application;import com.aldx.hccraftsman.base.BaseActivity;import com.aldx.hccraftsman.entity.DustLineChart;import com.aldx.hccraftsman.entity.DustLineChartModel;import com.aldx.hccraftsman.entity.TempChartData;import com.aldx.hccraftsman.jsonparse.JSONObject;import com.aldx.hccraftsman.jsonparse.ReflectUtil;import com.aldx.hccraftsman.okHttp.LoadingDialogCallback;import com.aldx.hccraftsman.utils.Api;import com.aldx.hccraftsman.utils.Constants;import com.aldx.hccraftsman.utils.LogUtil;import com.aldx.hccraftsman.utils.Utils;import com.lzy.okgo.OkGo;import java.text.ParseException;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;import butterknife.OnClick;import cn.qqtheme.framework.picker.DatePicker;import cn.qqtheme.framework.picker.DateTimePicker;import lecho.lib.hellocharts.gesture.ZoomType;import lecho.lib.hellocharts.model.Axis;import lecho.lib.hellocharts.model.AxisValue;import lecho.lib.hellocharts.model.Line;import lecho.lib.hellocharts.model.LineChartData;import lecho.lib.hellocharts.model.PointValue;import lecho.lib.hellocharts.model.ValueShape;import lecho.lib.hellocharts.model.Viewport;import lecho.lib.hellocharts.view.LineChartView;import okhttp3.Call;import okhttp3.Response;/** * author: chenzheng * created on: 2017/9/29 10:18 * description: */public class DustLineChartActivity extends BaseActivity {    @BindView(R.id.line_chart)    LineChartView lineChart;    @BindView(R.id.back_iv)    ImageView backIv;    @BindView(R.id.layout_back)    LinearLayout layoutBack;    @BindView(R.id.title_tv)    TextView titleTv;    @BindView(R.id.right_tv)    TextView rightTv;    @BindView(R.id.layout_right)    LinearLayout layoutRight;    private String projectId;    private List colors = new ArrayList<>();    private List listTemp = new ArrayList();//数据    private List mAxisXValues = new ArrayList();   //x轴方向的坐标数据    private List mAxisYValues = new ArrayList();            //y轴方向的坐标数据    private List distanceList = new ArrayList();    private boolean hasAxes = true;       //是否有轴，x和y轴    private boolean hasAxesNames = true;   //是否有轴的名字    private boolean hasLines = true;       //是否有线（点和点连接的线，选择false只会出现点）    private boolean hasPoints = true;       //是否有点（每个值的点）    private ValueShape shape = ValueShape.CIRCLE;    //点显示的形式，圆形，正方向，菱形    private boolean isFilled = false;                //是否是填充    private boolean hasLabels = true;               //每个点是否有名字    private boolean isCubic = false;                 //是否是立方的，线条是直线还是弧线    private boolean hasLabelForSelected = false;       //每个点是否可以选择（点击效果）    private LineChartData data;          // 折线图封装的数据类    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,                WindowManager.LayoutParams.FLAG_FULLSCREEN);        setContentView(R.layout.activity_dust_line_chart);        projectId = getIntent().getStringExtra("projectId");        ButterKnife.bind(this);        initView();        initData();        doRequest();    }    private void initData() {        //颜色集合        colors.add(0xff0862D8);        colors.add(0xff6221D1);        colors.add(0xff552705);        colors.add(0xff088B05);        colors.add(0xffBF0815);    }    private void initView() {        titleTv.setText("扬尘监测折线图");        Calendar calendar1 = Calendar.getInstance();        String sss = Utils.DATE_SIMPLE_FORMATER.format(calendar1.getTime());        rightTv.setText(sss);        layoutRight.setVisibility(View.VISIBLE);    }    public void doRequest() {        OkGo.get(Api.GET_MONITOR_MONTH_BY_PROJECT_ID)                .tag(this)                .params("projectId", projectId)                .params("time", rightTv.getText().toString())                .execute(new LoadingDialogCallback(this, Constants.LOADING_TXT) {                    @Override                    public void onSuccess(String s, Call call, Response response) {                        DustLineChartModel dustLineChartModel = null;                        try {                            dustLineChartModel = (DustLineChartModel) ReflectUtil                                    .copy(DustLineChartModel.class,                                            new JSONObject(s));                        } catch (Exception e) {                            e.printStackTrace();                        }                        if (dustLineChartModel != null) {                            if (dustLineChartModel.code == Api.SUCCESS_CODE) {                                if (dustLineChartModel.data != null) {                                    setLineChartData(dustLineChartModel.data);                                }                            } else {                                Application.showCodeToast(DustLineChartActivity.this, dustLineChartModel.code);                            }                        }                    }                    @Override                    public void onError(Call call, Response response, Exception e) {                        super.onError(call, response, e);                        Application.showResultToast(DustLineChartActivity.this, call, e);                    }                });    }    private void setLineChartData(List dlcList) {        listTemp.clear();        mAxisXValues.clear();        mAxisYValues.clear();        distanceList.clear();        float yMax = 0;        try {            int xCount = 0;            Calendar curCalendar = Calendar.getInstance();            String curDateStr = Utils.DATE_SIMPLE_FORMATER.format(curCalendar.getTime());            if (rightTv.getText().toString().equals(curDateStr)) {                xCount = curCalendar.get(Calendar.DAY_OF_MONTH);            } else {                Date queryDate = Utils.DATE_FORMATER.parse(rightTv.getText().toString() + "-01");                Calendar queryCalendar = Calendar.getInstance();                queryCalendar.setTime(queryDate);                xCount = queryCalendar.getActualMaximum(Calendar.DAY_OF_MONTH);            }            LogUtil.e("xCount=" + xCount);            for (int j = 1; j <= xCount; j++) {                boolean isFinded = false;                for (DustLineChart dlc : dlcList) {                    String tempStr = dlc.time;                    if (!Utils.isEmpty(tempStr)) {                        Date tempDate = Utils.DATE_FORMATER.parse(tempStr);                        Calendar tempCalendar = Calendar.getInstance();                        tempCalendar.setTime(tempDate);                        if (j == (tempCalendar.get(Calendar.DAY_OF_MONTH))) {                            isFinded = true;                            if (Utils.toFloat(dlc.pm2) > yMax) {                                yMax = Utils.toFloat(dlc.pm2);                            }                            if (Utils.toFloat(dlc.pm10) > yMax) {                                yMax = Utils.toFloat(dlc.pm10);                            }                            if (Utils.toFloat(dlc.windspeed) > yMax) {                                yMax = Utils.toFloat(dlc.windspeed);                            }                            if (Utils.toFloat(dlc.temperature) > yMax) {                                yMax = Utils.toFloat(dlc.temperature);                            }                            if (Utils.toFloat(dlc.noise) > yMax) {                                yMax = Utils.toFloat(dlc.noise);                            }                            listTemp.add(new TempChartData(j + "", Utils.toFloat(dlc.pm2), Utils.toFloat(dlc.pm10),                                    Utils.toFloat(dlc.windspeed), Utils.toFloat(dlc.temperature), Utils.toFloat(dlc.noise)));                            break;                        }                    }                }                if (!isFinded) {                    listTemp.add(new TempChartData(j + "", 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));                }            }            //设置x轴坐标 ，显示的是时间5-1,5-2.。。。            mAxisXValues.clear();            for (int i = 1; i <= xCount; i++) {      //mClockNumberLength                mAxisXValues.add(new AxisValue(i).setLabel(i + ""));            }            mAxisYValues.clear();            float temp = (yMax + 10) / 10;            for (int k = 0; k < 10; k++) {                float ttt = temp * k;                float fff = Utils.toFloat(((int)ttt)+"");                mAxisYValues.add(new AxisValue(fff).setLabel("" + (int)fff));            }            //获取距离            for (int i = 1; i <= listTemp.size(); i++) {                float apart = i;//得到的拒Y轴的距离                distanceList.add(apart);            }            //存放线条对象的集合            List lines = new ArrayList();            lines.clear();            //把数据设置到线条上面去            for (int i = 0; i < 5; ++i) {                List values = new ArrayList();                for (int j = 0; j < listTemp.size(); ++j) {                    //i=0是最高温度的线，i=1,是最低温度的线                    //PointValue的两个参数值，一个是距离y轴的长度距离，另一个是距离x轴长度距离                    if (i == 0) {                        values.add(new PointValue(distanceList.get(j), listTemp.get(j).pm2).setLabel("" + listTemp.get(j).pm2));                    } else if (i == 1) {                        values.add(new PointValue(distanceList.get(j), listTemp.get(j).pm10).setLabel("" + listTemp.get(j).pm10));                    } else if (i == 2) {                        values.add(new PointValue(distanceList.get(j), listTemp.get(j).windspeed).setLabel("" + listTemp.get(j).windspeed));                    } else if (i == 3) {                        values.add(new PointValue(distanceList.get(j), listTemp.get(j).temperature).setLabel("" + listTemp.get(j).temperature));                    } else if (i == 4) {                        values.add(new PointValue(distanceList.get(j), listTemp.get(j).noise).setLabel("" + listTemp.get(j).noise));                    }                }                Line line = new Line(values);                //设置线条的基本属性                line.setColor(colors.get(i));                line.setShape(shape);                line.setCubic(isCubic);                line.setFilled(isFilled);                line.setHasLabels(hasLabels);                line.setHasLabelsOnlyForSelected(hasLabelForSelected);                line.setHasLines(hasLines);                line.setHasPoints(hasPoints);                line.setStrokeWidth(1);                line.setPointRadius(3);                lines.add(line);            }            data = new LineChartData(lines);            if (hasAxes) {                Axis axisX = new Axis();                Axis axisY = new Axis().setHasLines(true);                if (hasAxesNames) {                    axisX.setName("日期");                    axisY.setName("数值");                }                //对x轴，数据和属性的设置                axisX.setTextSize(8);//设置字体的大小                axisX.setHasTiltedLabels(false);//x坐标轴字体是斜的显示还是直的，true表示斜的                axisX.setTextColor(Color.BLACK);//设置字体颜色                axisX.setHasLines(true);//x轴的分割线                axisX.setValues(mAxisXValues); //设置x轴各个坐标点名称                //对Y轴 ，数据和属性的设置                axisY.setTextSize(10);                axisY.setHasTiltedLabels(false);//true表示斜的                axisY.setTextColor(Color.BLACK);//设置字体颜色                axisY.setValues(mAxisYValues); //设置x轴各个坐标点名称                data.setAxisXBottom(axisX);//x轴坐标线的文字，显示在x轴下方//            data.setAxisXTop();      //显示在x轴上方                data.setAxisYLeft(axisY);   //显示在y轴的左边            } else {                data.setAxisXBottom(null);                data.setAxisYLeft(null);            }            data.setBaseValue(2f); //设置反向覆盖区域颜色  ？？            data.setValueLabelBackgroundAuto(false);//设置数据背景是否跟随节点颜色            data.setValueLabelBackgroundColor(Color.BLUE);//设置数据背景颜色            data.setValueLabelBackgroundEnabled(false);//设置是否有数据背景            data.setValueLabelsTextColor(Color.RED);//设置数据文字颜色            data.setValueLabelTextSize(11);//设置数据文字大小            data.setValueLabelTypeface(Typeface.MONOSPACE);//设置数据文字样式            lineChart.setLineChartData(data);     //将数据添加到控件中            lineChart.setViewportCalculationEnabled(false);            lineChart.setZoomType(ZoomType.HORIZONTAL_AND_VERTICAL);//设置线条可以水平方向收缩            final Viewport v = new Viewport(lineChart.getMaximumViewport());            v.bottom = 0;            v.top = yMax+10;            v.left = 0;            v.right = listTemp.size(); //  listBlood.size() - 1//如何解释            lineChart.setMaximumViewport(v);            lineChart.setCurrentViewport(v);        } catch (Exception e) {            e.printStackTrace();        }    }    public static void startActivity(Context context, String projectId) {        Intent intent = new Intent(context, DustLineChartActivity.class);        intent.putExtra("projectId", projectId);        context.startActivity(intent);    }    @OnClick({R.id.layout_back, R.id.layout_right})    public void onViewClicked(View view) {        switch (view.getId()) {            case R.id.layout_back:                finish();                break;            case R.id.layout_right:                chooseDate();                break;        }    }    private void chooseDate() {        Calendar cal = Calendar.getInstance();        try {            cal.setTime(Utils.DATE_FORMATER.parse(rightTv.getText().toString()+"-01"));        } catch (ParseException e) {            e.printStackTrace();        }        Calendar curCal = Calendar.getInstance();        int curMonth = cal.get(Calendar.MONTH) + 1;        int curYear = cal.get(Calendar.YEAR);        final DatePicker picker = new DatePicker(this, DateTimePicker.YEAR_MONTH);        picker.setRangeEnd(curCal.get(Calendar.YEAR), curCal.get(Calendar.MONTH) + 1);        picker.setRangeStart(2010, 1);        picker.setUseWeight(true);        picker.setSelectedItem(curYear, curMonth);        picker.setOnDatePickListener(new DatePicker.OnYearMonthPickListener() {            @Override            public void onDatePicked(String year, String month) {                rightTv.setText(year + "-" + month);                doRequest();            }        });        picker.show();    }}

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