그래프 차트 가져다 쓰기

 

youtu.be/vhKtbECeazQ

Radar  xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".chart_radar_activity">


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



</androidx.constraintlayout.widget.ConstraintLayout>

activity

public class chart_radar_activity extends AppCompatActivity {

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

        RadarChart radarChart = findViewById(R.id.radar_chart);

        ArrayList<RadarEntry> visitors = new ArrayList<>();

        visitors.add(new RadarEntry(420));
        visitors.add(new RadarEntry(475));
        visitors.add(new RadarEntry(508));
        visitors.add(new RadarEntry(660));
        visitors.add(new RadarEntry(550));
        visitors.add(new RadarEntry(620));
        visitors.add(new RadarEntry(470));

        RadarDataSet radarDataSetForFirstWebsite = new RadarDataSet(visitors,"Website 1");
        radarDataSetForFirstWebsite.setColor(Color.RED);
        radarDataSetForFirstWebsite.setLineWidth(2f);
        radarDataSetForFirstWebsite.setValueTextColor(Color.RED);
        radarDataSetForFirstWebsite.setValueTextSize(14f);

        RadarData radarData = new RadarData();
        radarData.addDataSet(radarDataSetForFirstWebsite);

        String[] labels ={"2014","2015","2016","2017","2018","2019","2020"};

        XAxis xAxis = radarChart.getXAxis();
        xAxis.setValueFormatter(new IndexAxisValueFormatter(labels));

        radarChart.setData(radarData);

    }
}