Android绘图之AChartEngine的简单应用

这是结合csdn上大佬的写法简化了一下。好多属性没放上，简单参考一下吧。

先放两张效果图

image image

主要代码

1、折线图

public class LineChartHelper {

private GraphicalViewgraphicalView;

    private XYMultipleSeriesDatasetxyMultipleSeriesDataset;//数据集容器

    private XYMultipleSeriesRendererxyMultipleSeriesRenderer;//渲染器容器

    private XYSeriesxySeries;//单条曲线数据集

    private XYSeriesRendererxySeriesRenderer;//单条曲线渲染器

    private Contextcontext;

    public LineChartHelper(Context context) {

        this.context = context;

    }

public GraphicalViewgetGraphicalView() {

graphicalView = ChartFactory.getLineChartView(context, xyMultipleSeriesDataset

                , xyMultipleSeriesRenderer);

        return graphicalView;

    }

public void setXyMultipleSeriesDataset(String chartTitle) {

xyMultipleSeriesDataset =new XYMultipleSeriesDataset();

        xySeries =new XYSeries(chartTitle);

        xyMultipleSeriesDataset.addSeries(xySeries);

    }

public void setXyMultipleSeriesRenderer(String chartTitle) {

xyMultipleSeriesRenderer =new XYMultipleSeriesRenderer();

        if (chartTitle !=null) {

xyMultipleSeriesRenderer.setChartTitle(chartTitle);

        }

xyMultipleSeriesRenderer.setShowGrid(true);

        xyMultipleSeriesRenderer.setXLabelsColor(Color.BLACK);

        xyMultipleSeriesRenderer.setYLabelsColor(0, Color.BLACK);

        xyMultipleSeriesRenderer.setMarginsColor(Color.WHITE);

        xyMultipleSeriesRenderer.setFitLegend(true);//自适应大小

        xySeriesRenderer =new XYSeriesRenderer();

        xySeriesRenderer.setDisplayChartValues(true);//显示数值

        xyMultipleSeriesRenderer.addSeriesRenderer(xySeriesRenderer);

    }

public void updateChart(double x, double y) {

xySeries.add(x, y);

        xyMultipleSeriesRenderer.setRange(new double[]{x -5, x, 0, 1000});

        graphicalView.repaint();

    }

}

调用

public void setLineChart(String chartTitle) {

        lineChartHelper = new LineChartHelper(MainActivity.this);
        lineChartHelper.setXyMultipleSeriesDataset(chartTitle);
        lineChartHelper.setXyMultipleSeriesRenderer(chartTitle);

        graphicalView = lineChartHelper.getGraphicalView();

        lineLayout.addView(graphicalView);
    }

2、饼图

public class PieChartHelper {

    private GraphicalView graphicalView;
    private CategorySeries categorySeries;
    private DefaultRenderer defaultRenderer;
    private SimpleSeriesRenderer simpleSeriesRenderer;// 单块饼图渲染
    private Context context;

    public PieChartHelper(Context context) {
        this.context = context;
    }

    public GraphicalView getGraphicalView() {
        graphicalView = ChartFactory.getPieChartView(context, categorySeries
                , defaultRenderer);
        return graphicalView;
    }

    public void setCategorySeries(String title) {

        categorySeries = new CategorySeries(title);

    }

    public void setDefaultRenderer(String title) {

        defaultRenderer = new DefaultRenderer();

        defaultRenderer.setChartTitle(title);

        defaultRenderer.setDisplayValues(true);

        defaultRenderer.setFitLegend(true);

    }

    public void updateChart(double[] values, double sumval) {

        for (int i = 0; i < values.length; i++) {

            simpleSeriesRenderer = new SimpleSeriesRenderer();

            categorySeries.add("数据" + (i + 1), values[i] / sumval);

            simpleSeriesRenderer.setColor(getRandomColor());

            simpleSeriesRenderer.setChartValuesFormat(NumberFormat.getPercentInstance());

            defaultRenderer.addSeriesRenderer(simpleSeriesRenderer);

        }
        graphicalView.repaint();

    }

    //随机颜色
    public int getRandomColor() {
        Random random = new Random();
        int R = random.nextInt(255);
        int G = random.nextInt(255);
        int B = random.nextInt(255);

        return Color.rgb(R, G, B);
    }

}

调用

public void setPieLayout(String chartTitle) {

        pieChartHelper = new PieChartHelper(MainActivity.this);

        pieChartHelper.setCategorySeries(chartTitle);

        pieChartHelper.setDefaultRenderer(chartTitle);

        values = new double[10];

        graphicalView = pieChartHelper.getGraphicalView();

        pieLayout.addView(graphicalView);

    }

3、柱状图

public class BarChartHelper {

    private GraphicalView graphicalView;
    private XYMultipleSeriesDataset xyMultipleSeriesDataset;
    private XYMultipleSeriesRenderer xyMultipleSeriesRenderer;
    private XYSeries xySeries;
    private XYSeriesRenderer xySeriesRenderer;

    private Context context;

    public BarChartHelper(Context context) {
        this.context = context;
    }

    public GraphicalView getGraphicalView() {
        graphicalView = ChartFactory.getBarChartView(context, xyMultipleSeriesDataset,
                xyMultipleSeriesRenderer, BarChart.Type.DEFAULT);

        return graphicalView;
    }

    public void setXyMultipleSeriesDataset() {
        xyMultipleSeriesDataset = new XYMultipleSeriesDataset();
    }

    public void setXyMultipleSeriesRenderer(String title) {
        xyMultipleSeriesRenderer = new XYMultipleSeriesRenderer();

        xyMultipleSeriesRenderer.setChartTitle(title);
        xyMultipleSeriesRenderer.setFitLegend(true);

    }

    public void updateChart(String[] titles, ArrayList<double[]> values) {

        for (int i = 0; i < titles.length; i++) {
            xySeries = new XYSeries(titles[i]);
            double[] yLable = values.get(i);
            for (int j = 0; j < yLable.length; j++) {
                xySeries.add(j, yLable[j]);
            }
            xyMultipleSeriesDataset.addSeries(xySeries);

            xySeriesRenderer = new XYSeriesRenderer();
            xySeriesRenderer.setColor(getRandomColor());
            xySeriesRenderer.setDisplayChartValues(true);
            xyMultipleSeriesRenderer.addSeriesRenderer(xySeriesRenderer);
        }
        graphicalView.repaint();

    }

    public int getRandomColor() {
        Random random = new Random();
        int R = random.nextInt(255);
        int G = random.nextInt(255);
        int B = random.nextInt(255);
        return Color.rgb(R, G, B);
    }

}

调用

public void setBarLayout(String title) {

        barChartHelper = new BarChartHelper(MainActivity.this);

        barChartHelper.setXyMultipleSeriesDataset();

        barChartHelper.setXyMultipleSeriesRenderer(title);

        barValues = new ArrayList<>();

        graphicalView = barChartHelper.getGraphicalView();

        barLayout.addView(graphicalView);

    }

4、Main函数

public class MainActivity extends AppCompatActivity {

    private GraphicalView graphicalView;
    private LinearLayout lineLayout, pieLayout, barLayout;
    private LineChartHelper lineChartHelper;
    private PieChartHelper pieChartHelper;
    private BarChartHelper barChartHelper;

    private Map<String, String> map;
    private String data;
    private int x;
    private int j;
    private double[] values;
    private double sumval;
    private boolean flag = true;
    private ArrayList<double[]> barValues;
    private String[] barTitles = {"1"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        lineLayout = findViewById(R.id.lineChart);
        pieLayout = findViewById(R.id.pieChart);
        barLayout = findViewById(R.id.barChart);

        setLineChart("折线图");
        setPieLayout("饼图");
        setBarLayout("柱状图");


        new Thread(new Runnable() {
            @Override
            public void run() {
                map = new HashMap<>();
                map.put("object", "light");
                map.put("action", "get");
                Log.i("http", "开启线程");
                while (true) {
                    try {
                        String httpData = HttpUtil.getJson(MainActivity.this, map);
                        Log.i("http", httpData);
                        JSONObject jsonObject = new JSONObject(httpData);
                        data = jsonObject.getString("pm2.5");
                        Message message = new Message();
                        message.what = 1;
                        handler.sendMessage(message);
                        Thread.sleep(1 * 1000);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        }).start();


    }

5、更新数据

private Handler handler = new Handler() {
        @Override
        public void handleMessage(@NonNull Message msg) {
            if (msg.what == 1) {
                Log.i("http", "handler");
                lineChartHelper.updateChart(x, Double.valueOf(data));//折线图
                if (j < 10) {
                    values[j] = Double.valueOf(data);
                    sumval = sumval + values[j];
                    j++;
                }
                if (j == 10 && flag == true) {
                    pieChartHelper.updateChart(values, sumval);//饼图（前十个数据）
                    flag = false;
                    barValues.add(values);
                    barChartHelper.updateChart(barTitles, barValues);//柱状图（前十个数据）
                }
            }
            x++;

        }
    };