LIST VIEW IN ANDROID

SimpleListViewActivity.java


package com.windrealm.android;

import java.util.ArrayList;
import java.util.Arrays;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
//import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class SimpleListViewActivity extends Activity {
 
  private ListView mainListView ;
  private ArrayAdapter<String> listAdapter ;
 
 
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
   
    // Find the ListView resource.
    mainListView = (ListView) findViewById( R.id.mainListView );

    //


    // Create and populate a List of planet names.
    String[] planets = new String[] { "Mercury", "Venus", "Earth", "Mars",
                                      "Jupiter", "Saturn", "Uranus", "Neptune"}; 




    ArrayList<String> planetList = new ArrayList<String>();
    planetList.addAll( Arrays.asList(planets) );
   //my chnge
   
   
    // Create ArrayAdapter using the planet list.
    listAdapter = new ArrayAdapter<String>(this, R.layout.simplerow, planetList);
   
   
   
   
    // Add more planets. If you passed a String[] instead of a List<String>
    // into the ArrayAdapter constructor, you must not add more items.
    // Otherwise an exception will occur.
    listAdapter.add( "Ceres" );
    listAdapter.add( "Pluto" );
    listAdapter.add( "Haumea" );
    listAdapter.add( "Makemake" );
    listAdapter.add( "Eris" );
  
       // Set the ArrayAdapter as the ListView's adapter.
    mainListView.setAdapter( listAdapter );
 
   
    mainListView.setOnItemClickListener(new OnItemClickListener() {

        public void onItemClick(AdapterView<?> arg0, View arg1, int pos,
                long arg3) {
           
            //Log.i("m", "-"+pos);
    
       
        Intent myIntent = new Intent(SimpleListViewActivity.this, MainActivity.class);
        myIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        myIntent.putExtra("pos", pos);
        startActivity(myIntent);
       
        }
   
    });
 
  }
}

MainActivity.java





package com.windrealm.android;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
public class MainActivity extends Activity {
    //TextView tv;

    /** Called when the activity is first created. */
      @Override
      public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.mainactivity);
     TextView   tv = (TextView) findViewById(R.id.textView1);
       Bundle b = getIntent().getExtras();
       int pos = b.getInt("pos");
        Log.i("pos=", "-"+pos);
          if(pos==0)
       
     {
   
          tv.setText("MERCURY \n Aphelion \n69,816,900 km\n0.466 697 AU\nPerihelion\n 46,001,200 km\n");




     }
  if(pos==2)
  {
      tv.setText("earth");
  }

      }
   
}




layout
   
 
main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent">
 
    <ListView android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:id="@+id/mainListView">
    </ListView>
   
</LinearLayout>


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

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView" />
                   
</LinearLayout>

simplerow.xml









<TextView xmlns:android="http://schemas.android.com/apk/res/android"
 android:id="@+id/rowTextView"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:padding="10dp"
 android:textSize="16sp" >
</TextView>