<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <com.github.mikephil.charting.charts.ScatterChart
        android:id="@+id/chart1"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</RelativeLayout>

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

import com.github.mikephil.charting.charts.ScatterChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.ScatterData;
import com.github.mikephil.charting.data.ScatterDataSet;
import com.github.mikephil.charting.interfaces.datasets.IScatterDataSet;
import com.github.mikephil.charting.utils.ColorTemplate;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    // creating a variable for scatter chart
    private ScatterChart chart;

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

        // initializing our scatter chart.
        chart = findViewById(R.id.chart1);

        // below line is use to disable the description 
        // of our scatter chart.
        chart.getDescription().setEnabled(false);

        // below line is use to draw grid background 
        // and we are setting it to false.
        chart.setDrawGridBackground(false);

        // below line is use to set touch 
        // enable for our chart.
        chart.setTouchEnabled(true);

        // below line is use to set maximum 
        // highlight distance for our chart.
        chart.setMaxHighlightDistance(50f);

        // below line is use to set
        // dragging for our chart.
        chart.setDragEnabled(true);

        // below line is use to set scale
        // to our chart.
        chart.setScaleEnabled(true);

        // below line is use to set maximum 
        // visible count to our chart.
        chart.setMaxVisibleValueCount(200);

        // below line is use to set 
        // pinch zoom to our chart.
        chart.setPinchZoom(true);

        // below line we are getting 
        // the legend of our chart.
        Legend l = chart.getLegend();

        // after getting our chart
        // we are setting our chart for vertical and horizontal
        // alignment to top, right and vertical.
        l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
        l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
        l.setOrientation(Legend.LegendOrientation.VERTICAL);

        // below line is use for 
        // setting draw inside to false.
        l.setDrawInside(false);

        // below line is use to set 
        // offset value for our legend.
        l.setXOffset(5f);

        // below line is use to get 
        // y-axis of our chart.
        YAxis yl = chart.getAxisLeft();

        // below line is use to set 
        // minimum axis to our y axis.
        yl.setAxisMinimum(0f);

        // below line is use to get axis
        // right of our chart
        chart.getAxisRight().setEnabled(false);

        // below line is use to get
        // x axis of our chart.
        XAxis xl = chart.getXAxis();

        // below line is use to enable
        // drawing of grid lines.
        xl.setDrawGridLines(false);

        // in below line we are creating an array list 
        // for each entry of our chart.
        // we will be representing three values in our charts.
        // below is the line where we are creating three
        // lines for our chart.
        ArrayList<Entry> values1 = new ArrayList<>();
        ArrayList<Entry> values2 = new ArrayList<>();
        ArrayList<Entry> values3 = new ArrayList<>();

        // on below line we are adding data to our charts.
        for (int i = 0; i < 11; i++) {
            values1.add(new Entry(i, (i * 2)));
        }

        // on below line we are adding
        // data to our value 2
        for (int i = 11; i < 21; i++) {
            values2.add(new Entry(i, (i * 3)));
        }

        // on below line we are adding
        // data to our 3rd value.
        for (int i = 21; i < 31; i++) {
            values3.add(new Entry(i, (i * 4)));
        }

        // create a data set and give it a type
        ScatterDataSet set1 = new ScatterDataSet(values1, "Point 1");

        // below line is use to set shape for our point on our graph.
        set1.setScatterShape(ScatterChart.ScatterShape.SQUARE);

        // below line is for setting color to our shape.
        set1.setColor(ColorTemplate.COLORFUL_COLORS[0]);

        // below line is use to create a new point for our scattered chart.
        ScatterDataSet set2 = new ScatterDataSet(values2, "Point 2");

        // for this point we are setting our shape to circle
        set2.setScatterShape(ScatterChart.ScatterShape.CIRCLE);

        // below line is for setting color to our point in chart.
        set2.setScatterShapeHoleColor(ColorTemplate.COLORFUL_COLORS[3]);

        // below line is use to set hole 
        // radius to our point in chart.
        set2.setScatterShapeHoleRadius(3f);

        // below line is use to set color to our set.
        set2.setColor(ColorTemplate.COLORFUL_COLORS[1]);

        // in below line we are creating a third data set for our chart.
        ScatterDataSet set3 = new ScatterDataSet(values3, "Point 3");

        // inside this 3rd data set we are setting its color.
        set3.setColor(ColorTemplate.COLORFUL_COLORS[2]);

        // below line is use to set shape size
        // for our data set of the chart.
        set1.setScatterShapeSize(8f);
        set2.setScatterShapeSize(8f);
        set3.setScatterShapeSize(8f);

        // in below line we are creating a new array list for our data set.
        ArrayList<IScatterDataSet> dataSets = new ArrayList<>();

        // in below line we are adding all 
        // data sets to above array list.
        dataSets.add(set1); // add the data sets
        dataSets.add(set2);
        dataSets.add(set3);

        // create a data object with the data sets
        ScatterData data = new ScatterData(dataSets);

        // below line is use to set data to our chart
        chart.setData(data);

        // at last we are calling
        // invalidate method on our chart.
        chart.invalidate();
    }
}