<?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" > <lecho.lib.hellocharts.view.LineChartView android:id="@+id/activity_charts_line_lcv" android:layout_width="match_parent" android:layout_height="match_parent" /></FrameLayout>
3,activity
package com.sonar.android.push.demo.getui.activities;import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.os.Handler;import android.support.v4.widget.SwipeRefreshLayout;import android.widget.ArrayAdapter;import android.widget.ListView;import com.sonar.android.push.demo.getui.R;import java.util.ArrayList;import java.util.List;import java.util.Random;import lecho.lib.hellocharts.gesture.ContainerScrollType;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.view.LineChartView;/** * 使用HelloCharts图表开发库实现折线图 * Created by Administrator on 2016/10/26. */public class ChartsActivity extends Activity{ LineChartView lineChartView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.layout_activity_charts); setView(); initView(); } private void setView(){ lineChartView = (LineChartView)findViewById(R.id.activity_charts_line_lcv); } private void initView(){ List<PointValue> values = new ArrayList<PointValue>(); List<AxisValue> mAxisValues = new ArrayList<AxisValue>(); for (int i = 0; i < 10 ; i++) { values.add(new PointValue(i, new Random().nextInt(5))); mAxisValues.add(new AxisValue(i).setLabel(i+"")); //为每个对应的i设置相应的label(显示在X轴) } //In most cased you can call data model methods in builder-pattern-like manner. Line line = new Line(values).setColor(Color.BLUE).setCubic(true); List<Line> lines = new ArrayList<Line>(); lines.add(line); LineChartData data = new LineChartData(); data.setLines(lines); //坐标轴 Axis axisX = new Axis(); //X轴 axisX.setHasTiltedLabels(true); axisX.setTextColor(Color.BLUE); axisX.setName("采集时间"); axisX.setMaxLabelChars(10); axisX.setValues(mAxisValues); data.setAxisXBottom(axisX); Axis axisY = new Axis(); //Y轴 axisY.setName("幅度"); axisY.setMaxLabelChars(7); //默认是3,只能看最后三个数字 data.setAxisYLeft(axisY); lineChartView.setInteractive(true); lineChartView.setZoomType(ZoomType.HORIZONTAL); lineChartView.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL); lineChartView.setLineChartData(data); }
}
效果图：
