Get various version strings of Android devices

package com.example.androidsysinfo;

import android.os.Build;
import android.os.Bundle;
import android.app.Activity;
import android.widget.TextView;

public class MainActivity extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  //setContentView(R.layout.activity_main);
  TextView infoView = new TextView(this);
  setContentView(infoView);
  
  String version = "Version:\n";
  
  version += "CODENAME: " + Build.VERSION.CODENAME + "\n"
    +  "INCREMENTAL: " + Build.VERSION.INCREMENTAL + "\n"
    +  "RELEASE: " + Build.VERSION.RELEASE + "\n"
    +  "SDK_INT: " + Build.VERSION.SDK_INT + "\n"
    +  "\n";
  
  infoView.setText(version);
 }

}