List System Properties of Android system

List System Properties

package com.example.androidcustomlistview;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Properties;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.app.Activity;
import android.content.Context;

public class MainActivity extends Activity {

 private class SystemProperties{
  private String propertiesName;
  private String properties;
  
  SystemProperties(String pName, String p){
   propertiesName = pName;
   properties = p; 
  }
  
  public String getPropertiesName(){
   return propertiesName;
  }
  
  public String getpPoperties(){
   return properties;
  }
 } 

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  ListView listView = (ListView)findViewById(R.id.listview);
  
  //Init ArrayList of MyObject
  ArrayList<SystemProperties> myPropertyList = new ArrayList<SystemProperties>();
  
  //get System Properties
  Properties properties = System.getProperties();
  Enumeration<String> propEnum = 
                (Enumeration<String>)properties.propertyNames();
         
        while(propEnum.hasMoreElements()){
            String propName = propEnum.nextElement();
            String prop = System.getProperty(propName);
            SystemProperties nexProp = new SystemProperties(propName, prop);
            myPropertyList.add(nexProp);
        }
  
  
  MyAdapter myAdapter = new MyAdapter(this, myPropertyList);
  listView.setAdapter(myAdapter);
  
  listView.setOnItemClickListener(new OnItemClickListener(){

   @Override
   public void onItemClick(AdapterView<?> parent, 
     View view, int position, long id) {
    SystemProperties clickedObj = (SystemProperties)parent.getItemAtPosition(position);
    Toast.makeText(MainActivity.this, 
      clickedObj.getPropertiesName() + ":\n" +
      clickedObj.getpPoperties(), 
      Toast.LENGTH_LONG).show();
   }});
  
 }

 private class MyAdapter extends BaseAdapter {
  
  private ArrayList<SystemProperties> myList;
  
  private Activity parentActivity;
     private LayoutInflater inflater; 
  
     public MyAdapter(Activity parent, ArrayList<SystemProperties> l) {
      parentActivity = parent;
         myList=l;
         inflater = (LayoutInflater)parentActivity
           .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     }

  @Override
  public int getCount() {
   return myList.size();
  }

  @Override
  public Object getItem(int position) {
   return myList.get(position);
  }

  @Override
  public long getItemId(int position) {
   return position;
  }

  @Override
  public View getView (int position, View convertView, 
    ViewGroup parent) {
   View view = convertView;
         if(convertView==null)
             view = inflater.inflate(R.layout.row, null);
  
         TextView text1 = (TextView)view.findViewById(R.id.text1);
         TextView text2 = (TextView)view.findViewById(R.id.text2);
         SystemProperties myObj = myList.get(position);
         text1.setText(String.valueOf(myObj.getPropertiesName()));
         text2.setText(myObj.getpPoperties());
         return view;
  }
 }
}