Android中echarts使用

//app/main/res/layout

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <WebView
        android:id="@+id/chartshow_web"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
    <WebView
        android:id="@+id/chart_web"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
</RelativeLayout>
//app/main/java/activity
package com.bluecard.cloudtalkback.user.activity;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;

import com.bluecard.cloudtalkback.R;

import androidx.appcompat.app.AppCompatActivity;

public class PsechartActivity extends AppCompatActivity {
    private WebView chartshow_web;
    private WebView echart_web;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.psechart);
        initView();
    }
    /**
     * 初始化页面元素
     */
    private void initView(){
        echart_web = (WebView)findViewById(R.id.chart_web);
        echart_web.getSettings().setAllowFileAccess(true);
        echart_web.getSettings().setJavaScriptEnabled(true);
        echart_web.loadUrl("file:///android_asset/myEchart.html");
        chartshow_web = (WebView) findViewById(R.id.chartshow_web);
        chartshow_web.getSettings().setAllowFileAccess(true);
        chartshow_web.getSettings().setJavaScriptEnabled(true);
        chartshow_web.loadUrl("file:///android_asset/myEchart.html");


}
//app/main/asstes/js
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>ECharts</title>
    <!-- 引入 echarts.js -->
    <script src="js/echarts.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style=" 100%;height:400px;"></div>
<div id="zhexian" style=" 100%;height:430px;"></div>
<script type="text/javascript">
       // 基于准备好的dom，初始化echarts实例
       var myChart = echarts.init(document.getElementById('main'));
       // 指定图表的配置项和数据
        var  option = {
            title: {
                text: 'Customized Pie',
                left: 'center',
                top: 20,
                textStyle: {
                    color: '#ccc'
                }
            },

            tooltip: {
                trigger: 'item',
                formatter: '{a} <br/>{b} : {c} ({d}%)'
            },

            visualMap: {
                show: false,
                min: 80,
                max: 600,
                inRange: {
                    colorLightness: [0, 1]
                }
            },
            legend: {
                bottom: 10,
                left:'center',
                data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
            },
             grid: {
              top: "8%",
              left: "3%",
              right: "6%",
              bottom: "14%",
              height: "70%",
              containLabel: true
            },
            series: [
                {
                    name: '访问来源',
                    type: 'pie',
                    radius: '55%',
                    center: ['50%', '50%'],
                    data: [
                        {value: 335, name: '直接访问'},
                        {value: 310, name: '邮件营销'},
                        {value: 274, name: '联盟广告'},
                        {value: 235, name: '视频广告'},
                        {value: 400, name: '搜索引擎'}
                    ]
                }
            ]
        };
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);



    // 基于准备好的dom，初始化echarts实例
    var zhexianmyChart = echarts.init(document.getElementById('zhexian'));
    // 指定图表的配置项和数据
         var   zheixnaoption  = {
            title: {
                text: 'Customized Pie',
                left: 'center',
                top: 20,
                textStyle: {
                    color: '#ccc'
                }
            },
            tooltip: {
                trigger: 'axis'
            },
            legend: {
                icon:'roundRect',
                bottom: 0,
                left: 'center',
                data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
            },
            grid: {
              top: "16%",
              left: "3%",
              right: "6%",
              bottom: "10%",
              height: "70%",
              containLabel: true
            },
            xAxis: {
                data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
            },
            yAxis: {
                type: 'value'
            },
            series: [
                {
                    name: '邮件营销',
                    type: 'line',
                    stack: '总量',
                    data: [120, 132, 101, 134, 90, 230, 210]
                },
                {
                    name: '联盟广告',
                    type: 'line',
                    stack: '总量',
                    data: [220, 182, 191, 234, 290, 330, 310]
                },
                {
                    name: '视频广告',
                    type: 'line',
                    stack: '总量',
                    data: [150, 232, 201, 154, 190, 330, 410]
                },
                {
                    name: '直接访问',
                    type: 'line',
                    stack: '总量',
                    data: [320, 332, 301, 334, 390, 330, 320]
                },
                {
                    name: '搜索引擎',
                    type: 'line',
                    stack: '总量',
                    data: [820, 932, 901, 934, 1290, 1330, 1320]
                }
            ]
        };
        // 使用刚指定的配置项和数据显示图表。
        zhexianmyChart.setOption(zheixnaoption);
</script>
</body>
</html>
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原文地址：https://www.cnblogs.com/minghan/p/13602316.html