520闷在家里做图（ 安卓统计图MPAndroidChart开发 ）

repositories {
    maven { url 'https://jitpack.io' }
}

dependencies {
    implementation 'com.github.PhilJay:MPAndroidChart:v3.1.0'
}

 1 dongxiaodongchart = findViewById(R.id.chart);
 2 //触摸事件监听
 3 dongxiaodongchart.setOnChartGestureListener(new OnChartGestureListener() {
 4     //开始触摸手势时回调
 5     @Override
 6     public void onChartGestureStart(MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) {
 7         //Toast.makeText(MainActivity.this,"东小东：触摸事件开始",Toast.LENGTH_SHORT).show();
 8     }
 9     //结束触摸手势时回调
10     @Override
11     public void onChartGestureEnd(MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) {
12         //Toast.makeText(MainActivity.this,"东小东：触摸事件结束",Toast.LENGTH_SHORT).show();
13     }
14     //长按图表时回调
15     @Override
16     public void onChartLongPressed(MotionEvent me) {
17         Toast.makeText(MainActivity.this,"东小东：图表长按",Toast.LENGTH_SHORT).show();
18     }
19     //双击图表时回调
20     @Override
21     public void onChartDoubleTapped(MotionEvent me) {
22         Toast.makeText(MainActivity.this,"东小东：图表被双击",Toast.LENGTH_SHORT).show();
23     }
24     //单击图表时进行回调
25     @Override
26     public void onChartSingleTapped(MotionEvent me) {
27         Toast.makeText(MainActivity.this,"东小东：图表单击",Toast.LENGTH_SHORT).show();
28     }
29     //图幅描述变化
30     /*参数：
31     x的速度
32     y的速度
33      */
34     @Override
35     public void onChartFling(MotionEvent me1, MotionEvent me2, float velocityX, float velocityY) {
36         Toast.makeText(MainActivity.this,"东小东：图幅描述变化",Toast.LENGTH_SHORT).show();
37     }
38     //缩放图表时的回调
39     /*参数：
40     scaleX x轴上的比例因子
41     scaleY y轴上的比例因子
42     */
43     @Override
44     public void onChartScale(MotionEvent me, float scaleX, float scaleY) {
45         Toast.makeText(MainActivity.this,"东小东：图表正在缩放中。。。。。",Toast.LENGTH_SHORT).show();
46     }
47     //通过拖动手势移动/转换图表时的回调
48     /*参数：
49        dX 在x轴上的平移距离
50        dY 在y轴上的平移距离
51     */
52     @Override
53     public void onChartTranslate(MotionEvent me, float dX, float dY) {
54         Toast.makeText(MainActivity.this,"东小东：图表正在移动中。。。。。",Toast.LENGTH_SHORT).show();
55     }
56 });

public enum EasingOption {
      Linear,
      EaseInQuad,
      EaseOutQuad,
      EaseInOutQuad,
      EaseInCubic,
      EaseOutCubic,
      EaseInOutCubic,
      EaseInQuart,
      EaseOutQuart,
      EaseInOutQuart,
      EaseInSine,
      EaseOutSine,
      EaseInOutSine,
      EaseInExpo,
      EaseOutExpo,
      EaseInOutExpo,
      EaseInCirc,
      EaseOutCirc,
      EaseInOutCirc,
      EaseInElastic,
      EaseOutElastic,
      EaseInOutElastic,
      EaseInBack,
      EaseOutBack,
      EaseInOutBack,
      EaseInBounce,
      EaseOutBounce,
      EaseInOutBounce,
  }

//默认效果动画
dongxiaodongchart = findViewById(R.id.chart);
dongxiaodongchart.animateX(2000);
//添加固定效果动画
dongxiaodongchart = findViewById(R.id.chart);
dongxiaodongchart.animateX(2000,Easing. EaseInOutQuad);

dongxiaodongchart = findViewById(R.id.chart);
XAxis xAxis = dongxiaodongchart.getXAxis();//获取x轴的实例
xAxis.setLabelRotationAngle(-45);//刻度旋转-45度
xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);//只在图表下面显示

dongxiaodongchart = findViewById(R.id.chart);
YAxis leftAxis = dongxiaodongchart.getAxisLeft();
YAxis rightAxis = dongxiaodongchart.getAxisRight();

public void setData(ChartData data) { ... }

public LineDataSet(List<Entry> entries, String label) { ... }

public Entry(float x, float y) { ... }

Description description = chart.getDescription();

<com.github.mikephil.charting.charts.LineChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 LineChart dongxiaodongchart = findViewById(R.id.chart);
 3 dongxiaodongchart.getAxisRight().setEnabled(false);//y轴右边不显示
 4 dongxiaodongchart.getXAxis().setPosition(XAxis.XAxisPosition.BOTTOM);//只在图表下面显示x轴
 5 //创建两个数据集
 6 List<Entry> valsComp1 = new ArrayList<Entry>();//数据集1
 7 valsComp1.add(new Entry(1,2));
 8 valsComp1.add(new Entry(1.2f,3.9f));
 9 valsComp1.add(new Entry(2f,6));
10 List<Entry> valsComp2 = new ArrayList<Entry>();//数据集2
11 valsComp2.add(new Entry(1,2));
12 valsComp2.add(new Entry(2.2f,3.9f));
13 valsComp2.add(new Entry(3f,6));
14 //创建两个线对象
15 LineDataSet setComp1 = new LineDataSet(valsComp1, "东小东1");
16 LineDataSet setComp2 = new LineDataSet(valsComp2, "东小东2");
17 //线对象的样式（更多见：数据对象样式 ）
18 setComp1.setColor(Color.RED);//设置线的颜色
19 setComp2.setCircleRadius(10);//设置数据点的大小
20 //数据显示
21 LineData data = new LineData(setComp1,setComp2);
22 dongxiaodongchart.setData(data);
23 dongxiaodongchart.invalidate();

<com.github.mikephil.charting.charts.LineChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 LineChart dongxiaodongchart = findViewById(R.id.chart);
 3 dongxiaodongchart.getAxisRight().setEnabled(false);//y轴右边不显示
 4 dongxiaodongchart.getXAxis().setPosition(XAxis.XAxisPosition.BOTTOM);//只在图表下面显示x轴
 5 //创建两个数据集
 6 List<Entry> valsComp1 = new ArrayList<Entry>();//数据集1
 7 valsComp1.add(new Entry(1,2));
 8 valsComp1.add(new Entry(1.2f,3.9f));
 9 valsComp1.add(new Entry(2f,6));
10 List<Entry> valsComp2 = new ArrayList<Entry>();//数据集2
11 valsComp2.add(new Entry(1,2));
12 valsComp2.add(new Entry(2.2f,3.9f));
13 valsComp2.add(new Entry(3f,6));
14 //创建两个线对象
15 LineDataSet setComp1 = new LineDataSet(valsComp1, "东小东1");
16 LineDataSet setComp2 = new LineDataSet(valsComp2, "东小东2");
17 //线对象的样式（更多见：数据对象样式 ）
18 setComp1.setColor(Color.RED);//设置线的颜色
19 setComp1.setDrawFilled(true);
20 setComp2.setDrawFilled(true);
21 setComp2.setFillColor(Color.YELLOW);
22 //数据显示
23 LineData data = new LineData(setComp1,setComp2);
24 dongxiaodongchart.setData(data);
25 dongxiaodongchart.invalidate();

<com.github.mikephil.charting.charts.BarChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 BarChart dongxiaodongchart = findViewById(R.id.chart);
 3 //不显示描述
 4 dongxiaodongchart.getDescription().setEnabled(false);
 5 //y轴右边关闭
 6 dongxiaodongchart.getAxisRight().setEnabled(false);
 7 //x轴设置无网格
 8 XAxis xAxis = dongxiaodongchart.getXAxis();
 9 xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
10 xAxis.setDrawGridLines(false);
11 xAxis.setGranularity(1f); //在放大到为轴设置的小数位数不再允许在两个轴值之间进行区分的点时，可以使用此方法来避免值重复。
12 //创建两个数据集
13 List<BarEntry> valsComp1 = new ArrayList<BarEntry>();//数据集1
14 valsComp1.add(new BarEntry(1,2));
15 valsComp1.add(new BarEntry(3f,3.9f));
16 valsComp1.add(new BarEntry(5f,6));
17 //创建条形图对象
18 BarDataSet setComp1 = new BarDataSet(valsComp1, "东小东1");
19 setComp1.setColor(Color.RED);
20 //数据显示
21 BarData data = new BarData(setComp1);
22 dongxiaodongchart.setData(data);//设置数据
23 dongxiaodongchart.invalidate();//刷新
24 //设置动画样式
25 dongxiaodongchart.animateY(2000,Easing. EaseInOutQuad);

<com.github.mikephil.charting.charts.BarChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 BarChart dongxiaodongchart = findViewById(R.id.chart);
 3 
 4 //设置颜色图标在右上角显示，默认是在图表底部并排显示
 5 Legend l = dongxiaodongchart.getLegend();
 6 l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
 7 l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
 8 l.setOrientation(Legend.LegendOrientation.VERTICAL);
 9 l.setDrawInside(true);
10 l.setYOffset(0f);
11 l.setXOffset(10f);
12 l.setYEntrySpace(0f);
13 l.setTextSize(8f);
14 
15 //Y轴设置
16 dongxiaodongchart.getAxisRight().setEnabled(false);
17 
18 //X轴设置
19 XAxis xAxis = dongxiaodongchart.getXAxis();//获取到x轴对象
20 xAxis.setGranularity(1f);//设置网格宽度
21 xAxis.setCenterAxisLabels(true);//设置为刻度显示在网格中间
22 xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);//只在图表下面显示
23 
24 dongxiaodongchart.getDescription().setEnabled(false);//不显示描述
25 
26 float groupSpace = 0.08f;//组间隔
27 float barSpace = 0.03f; //每个柱状图的间隔
28 float barWidth = 0.2f; //每个柱状图的宽度
29 // (0.2 + 0.03) * 4 + 0.08 = 1.00 -> interval per "group"
30 
31 //-----数据-----
32 int groupCount = 3;
33 int startYear = 1998;
34 int endYear = startYear + groupCount;
35 
36 ArrayList<BarEntry> values1 = new ArrayList<>();
37 ArrayList<BarEntry> values2 = new ArrayList<>();
38 ArrayList<BarEntry> values3 = new ArrayList<>();
39 ArrayList<BarEntry> values4 = new ArrayList<>();
40 
41 float randomMultiplier = 6 * 10;
42 
43 for (int i = startYear; i < endYear; i++) {
44     values1.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
45     values2.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
46     values3.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
47     values4.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
48 }
49 //设置样式和生成柱状图对象
50 BarDataSet set1, set2, set3, set4;
51 set1 = new BarDataSet(values1, "东小东A");
52 set1.setColor(Color.rgb(104, 241, 175));
53 set2 = new BarDataSet(values2, "东小东B");
54 set2.setColor(Color.rgb(164, 228, 251));
55 set3 = new BarDataSet(values3, "东小东C");
56 set3.setColor(Color.rgb(242, 247, 158));
57 set4 = new BarDataSet(values4, "东小东D");
58 set4.setColor(Color.rgb(255, 102, 0));
59 //数据显示
60 BarData data = new BarData(set1, set2, set3, set4);
61 dongxiaodongchart.setData(data);
62 //设置柱状宽度
63 dongxiaodongchart.getBarData().setBarWidth(barWidth);
64 //设置刻度最小值
65 dongxiaodongchart.getXAxis().setAxisMinimum(startYear);
66 //设置刻度最大值
67 dongxiaodongchart.getXAxis().setAxisMaximum(startYear + dongxiaodongchart.getBarData().getGroupWidth(groupSpace, barSpace) * groupCount);
68 //组适配
69 dongxiaodongchart.groupBars(startYear, groupSpace, barSpace);
70 dongxiaodongchart.invalidate();//刷新数据
71 
72 //设置动画样式
73 dongxiaodongchart.animateY(2000,Easing. EaseInOutQuad);

<com.github.mikephil.charting.charts.BarChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 BarChart dongxiaodongchart = findViewById(R.id.chart);
 3 //不显示描述
 4 dongxiaodongchart.getDescription().setEnabled(false);
 5 //y轴右边关闭
 6 YAxis leftAxis = dongxiaodongchart.getAxisLeft();
 7 leftAxis.setAxisMinimum(0f); // 从零开始
 8 dongxiaodongchart.getAxisRight().setEnabled(false);
 9 //x轴设置无网格
10 XAxis xAxis = dongxiaodongchart.getXAxis();
11 xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
12 xAxis.setDrawGridLines(false);
13 xAxis.setGranularity(1f); //在放大到为轴设置的小数位数不再允许在两个轴值之间进行区分的点时，可以使用此方法来避免值重复。
14 //创建两个数据集
15 List<BarEntry> valsComp1 = new ArrayList<BarEntry>();//数据集1
16 valsComp1.add(new BarEntry(-2f,new float[] { 5, 20, 4 }));
17 valsComp1.add(new BarEntry(0f,new float[] { 10,6, 3 }));
18 valsComp1.add(new BarEntry(2f,new float[] { 10, 20, 7 }));
19 //创建条形图对象
20 BarDataSet setComp1 = new BarDataSet(valsComp1, "东小东1");
21 setComp1.setDrawIcons(false);
22 setComp1.setColors(new int[]{Color.RED,Color.GREEN,Color.BLUE });
23 setComp1.setStackLabels(new String[]{"东1", "东2", "东3"});
24 ArrayList<IBarDataSet> dataSets = new ArrayList<>();
25 dataSets.add(setComp1);
26 //显示
27 BarData data = new BarData(dataSets);
28 dongxiaodongchart.setData(data);
29 dongxiaodongchart.setFitBars(true);
30 dongxiaodongchart.invalidate();
31 //设置动画样式
32 dongxiaodongchart.animateY(2000,Easing. EaseInOutQuad);

<com.github.mikephil.charting.charts.PieChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 PieChart dongxiaodongchart = findViewById(R.id.chart);
 3 //圆环中间显示
 4 dongxiaodongchart.setCenterText("东小东\n主要标题");
 5 dongxiaodongchart.setCenterTextSize(15);
 6 //边距设置
 7 dongxiaodongchart.setExtraOffsets(20.f, 10.f, 20.f, 10f);
 8 //数据线条
 9 dongxiaodongchart.setHoleRadius(58f);
10 dongxiaodongchart.setTransparentCircleRadius(61f);
11 //颜色标识显示
12 Legend l = dongxiaodongchart.getLegend();
13 l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
14 l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
15 l.setOrientation(Legend.LegendOrientation.VERTICAL);
16 //l.setDrawInside(false);//添加不显示
17 //l.setEnabled(false);
18 //数据
19 List<PieEntry> list=new ArrayList<>();
20 list.add(new PieEntry(30,"东1"));
21 list.add(new PieEntry(30,"东2"));
22 list.add(new PieEntry(40,"东3"));
23 PieDataSet pieDataSet=new PieDataSet(list,"数据标题");
24 //设置样式
25 pieDataSet.setColors(Color.RED,Color.GRAY,Color.CYAN);//设置各个数据的颜色
26 //设置为值外部显示,注释则内部显示
27 pieDataSet.setYValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
28 pieDataSet.setValueLineColor(Color.RED);//值引线为红色
29 pieDataSet.setValueTextSize(30);
30 //输出值
31 PieData data = new PieData(pieDataSet);
32 data.setValueTextSize(11f);//显示值的大小
33 data.setValueTextColor(Color.BLUE);//显示值的颜色
34 dongxiaodongchart.setData(data);//设置数据
35 dongxiaodongchart.invalidate();//刷新

<com.github.mikephil.charting.charts.PieChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

 1 //寻找到控件
 2 PieChart dongxiaodongchart = findViewById(R.id.chart);
 3 dongxiaodongchart.getDescription().setText("东小东图表描述字段");
 4 //外边距设置
 5 dongxiaodongchart.setExtraOffsets(20.f, 10.f, 20.f, 10f);
 6 //图例
 7 Legend l = dongxiaodongchart.getLegend();
 8 l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
 9 l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
10 l.setOrientation(Legend.LegendOrientation.VERTICAL);
11 //数据
12 List<PieEntry> list=new ArrayList<>();
13 list.add(new PieEntry(300,"东1"));
14 list.add(new PieEntry(300,"东2"));
15 list.add(new PieEntry(700,"东3"));
16 PieDataSet pieDataSet=new PieDataSet(list,"数据标题");
17 //设置样式
18 pieDataSet.setColors(Color.RED,Color.GRAY,Color.CYAN);//设置各个数据的颜色
19 //输出值
20 PieData data = new PieData(pieDataSet);
21 //数据显示大小
22 data.setValueTextSize(11f);//显示值的大小
23 data.setValueTextColor(Color.WHITE);//显示值
24 //设置显示单位为%
25 data.setValueFormatter(new PercentFormatter(dongxiaodongchart));
26 //设置开启百分比显示
27 dongxiaodongchart.setUsePercentValues(true);
28 //中心圆设置
29 
30 
31 dongxiaodongchart.setHoleRadius(1);//中心圆半径为1%
32 dongxiaodongchart.setTransparentCircleRadius(0);//中心半透明圆半径为0%
33 //数据刷新显示
34 dongxiaodongchart.setData(data);//设置数据
35 dongxiaodongchart.invalidate();//刷新

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="300dp">

<com.github.mikephil.charting.charts.LineChart
    android:id="@+id/chart"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />
</LinearLayout>
<Button
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="添加一条新数据"
    android:onClick="ButADD"
    android:layout_marginTop="30dp" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="刷新所有数据"
android:onClick="ButREF"
android:layout_marginTop="30dp" />

 1 //寻找到控件
 2 dongxiaodongchart = findViewById(R.id.chart);
 3 //设置图标坐标样式
 4 dongxiaodongchart.getAxisRight().setEnabled(false);//y轴右边不显示
 5 dongxiaodongchart.getXAxis().setPosition(XAxis.XAxisPosition.BOTTOM);//只在图表下面显示x轴
 6 //顶部的线，最高限值虚线
 7 LimitLine ll1 = new LimitLine(3f, "最高限值");//参数是显示的y轴值
 8 ll1.setLineWidth(2f);//设置线条宽度
 9 ll1.enableDashedLine(10f, 10f, 0f);//配置虚线样式
10 ll1.setLabelPosition(LimitLine.LimitLabelPosition.RIGHT_TOP);//设置字体显示在线的上面
11 ll1.setTextSize(10f);//设置字体大小
12 //底部的线，最低限值虚线
13 LimitLine ll2 = new LimitLine(-2f, "最低限值");
14 ll2.setLineWidth(2f);
15 ll2.enableDashedLine(10f, 10f, 0f);
16 ll2.setLabelPosition(LimitLine.LimitLabelPosition.RIGHT_BOTTOM);
17 ll2.setTextSize(10f);
18 //获取y轴对象
19 YAxis yAxis = dongxiaodongchart.getAxisLeft();
20 //设置图表的y轴显示最大最小值范围
21 yAxis.setAxisMaximum(15f);
22 yAxis.setAxisMinimum(-5f);
23 //开始显示两条限值线
24 yAxis.addLimitLine(ll1);
25 yAxis.addLimitLine(ll2);
26 //创建两个数据集
27 List<Entry> valsComp1 = new ArrayList<Entry>();//数据集1
28 valsComp1.add(new Entry(1,2));
29 valsComp1.add(new Entry(1.2f,3.9f));
30 valsComp1.add(new Entry(2f,6));
31 //创建线对象
32 LineDataSet setComp1 = new LineDataSet(valsComp1, "东小东1");
33 //线对象的样式（更多见：数据对象样式 ）
34 setComp1.setColor(Color.BLUE);//设置线的颜色
35 setComp1.setDrawFilled(true);
36 //数据显示
37 LineData data = new LineData(setComp1);
38 dongxiaodongchart.setData(data);
39 dongxiaodongchart.invalidate();
40 }
41 //数据刷新函数
42 public void refreshvalue(){
43     //创建新的数据
44     ArrayList<Entry> values = new ArrayList<>();
45     for (int i = 0; i < 10; i++) {
46         float val = (float) (Math.random() * 10)-4;//Math.random()：产生一个[0，1)
47         values.add(new Entry(i,val));
48     }
49     //获取现在的线对象
50     LineDataSet set1=(LineDataSet)  dongxiaodongchart.getData().getDataSetByIndex(0);
51     //设置新的数据
52     set1.setValues(values);
53     //通知数据改变
54     set1.notifyDataSetChanged();
55     dongxiaodongchart.getData().notifyDataChanged();
56     dongxiaodongchart.notifyDataSetChanged();
57     //刷新显示
58     dongxiaodongchart.invalidate();
59 }
60 //数据加入一条函数
61 public void addvalue(){
62     //获取现在的线对象
63     LineDataSet set1=(LineDataSet)  dongxiaodongchart.getData().getDataSetByIndex(0);
64     //设置随意的坐标值
65     int x= set1.getEntryCount();
66     float y = (float) (Math.random() * 10)-4;//Math.random()：产生一个[0，1)
67     //添加一个点
68     set1.addEntry(new Entry(x,y));
69     //通知数据改变
70     set1.notifyDataSetChanged();
71     dongxiaodongchart.getData().notifyDataChanged();
72     dongxiaodongchart.notifyDataSetChanged();
73     //刷新显示
74     dongxiaodongchart.invalidate();
75 }
76 //按键事件监听
77 public void ButADD(View v){
78     Toast.makeText(MainActivity.this,"添加一条数据", Toast.LENGTH_SHORT).show();
79     addvalue();
80 }
81 public void ButREF(View v){
82     Toast.makeText(MainActivity.this,"刷新所有数据显示", Toast.LENGTH_SHORT).show();
83     refreshvalue();
84 }