ListView with its Customised BaseAdapter

Following example displays the list of items and on selection of particular item this item is passed to second activity using intents


package com.example.listadapter;

import java.util.ArrayList;

import java.util.List;



import android.os.Bundle;
import android.app.Activity;
import android.app.ListActivity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

public class MainActivity extends Activity {
    protected static final int requestCode = 0;
    VideoGet getObj = new VideoGet();
    ArrayList<VideoGet> sample = new ArrayList<VideoGet>();

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

        getObj.setId("1");
        getObj.setName("one");

        sample.add(getObj);
        for (VideoGet display : sample) {
            System.out.println("inside for loop " + display.getId() + " "
                    + display.getName());

        }
        VideoGet getObj1 = new VideoGet();
        getObj1.setId("2");
        getObj1.setName("two");
        sample.add(getObj1);

        for (VideoGet display : sample) {
            System.out.println("inside second for loop " + display.getId()
                    + " " + display.getName());

        }
        VideoGet getObj2 = new VideoGet();
        getObj2.setId("3");
        getObj2.setName("three");
        sample.add(getObj2);

        VideoGet getObj3 = new VideoGet();
        getObj3.setId("4");
        getObj3.setName("four");
        sample.add(getObj3);

        System.out
                .println("getobj name is in mainactivity " + getObj.getName());

        final ListView lv1 = (ListView) findViewById(R.id.ListView01);

        lv1.setAdapter(new MyCustomAdapter(this, sample));

        lv1.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> a, View v, int position,
                    long id) {
                // TODO Auto-generated method stub
               
               
               
                Object o = lv1.getItemAtPosition(position);
                VideoGet video_items = (VideoGet)o;
                Toast.makeText(MainActivity.this, "selected item is " +" "+video_items.getName()+" "+video_items.getId() , Toast.LENGTH_LONG).show();
                Intent my_intent = new Intent(MainActivity.this,Detail_list.class);
                my_intent.putExtra("name", video_items.getName());
                //startActivity(my_intent);
                startActivityForResult(my_intent, requestCode);
               
               

            }

        });
    }

}




package com.example.listadapter;

import java.util.ArrayList;


import java.util.List;





import android.app.Activity;
import android.content.Context;
import android.database.DataSetObserver;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.TextView;

public class MyCustomAdapter extends BaseAdapter {
   
    private int imgid = R.drawable.arrow;
           
           

    private LayoutInflater l_Inflater;
    private ArrayList<VideoGet> listdisplay;

    public MyCustomAdapter(Context context, ArrayList<VideoGet> sample) {
        // TODO Auto-generated constructor stub

        l_Inflater = LayoutInflater.from(context);
        listdisplay = sample;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return listdisplay.size();
    }

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

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

   

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;

        if (convertView == null) {
           

            convertView = l_Inflater.inflate(R.layout.list_item, null);
            holder = new ViewHolder();
           
            holder.txt_itemName = (TextView) convertView.findViewById(R.id.TextView01);
            holder.txt_itemDescription = (TextView) convertView.findViewById(R.id.TextView02);
            holder.itemImage = (ImageView) convertView.findViewById(R.id.photo);
           
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();

        }
        holder.txt_itemName.setText(listdisplay.get(position).getName()+"  ");
        holder.txt_itemDescription.setText(listdisplay.get(position).getId());
        holder.itemImage.setImageResource(imgid);
       
        return convertView;
        }
   
   
   
    static class ViewHolder {
        TextView txt_itemName;
        TextView txt_itemDescription;
        TextView txt_itemPrice;
        ImageView itemImage;
    }
}



package com.example.listadapter;

public class VideoGet {
    String name;
    String id;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }


}


package com.example.listadapter;

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

public class Detail_list extends Activity{
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.detail_list);
        TextView tv1 = (TextView) findViewById(R.id.textView1);
       
        Bundle mydata = getIntent().getExtras();
       
        String name = mydata.getString("name");
        tv1.setText(name);
       
    }
}

activity_main.xml

<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" >

    <ListView
        android:id="@+id/ListView01"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >
    </ListView>

</RelativeLayout>

detail_list.xml

<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" >

    <TextView
        android:id="@+id/TextView01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello detail activity"
        android:textColor="#0099CC"
        android:textSize="20px"
        android:textStyle="bold" >
    </TextView>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/TextView01"
        android:textColor="#0099CC"
        android:textSize="15px"
        android:textStyle="bold"
       
        android:text="TextView" />

</RelativeLayout>

 list_item.xml

 

<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" >

    <ImageView

           android:id="@+id/photo"

           android:layout_width="wrap_content"

           android:layout_height="wrap_content"

        android:layout_marginLeft="150px"

        android:paddingTop="10px" />

    <TextView

        android:id="@+id/TextView01"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginLeft="50px"

        android:textColor="#0099CC"

        android:textSize="20px"

        android:textStyle="bold" >

    </TextView>

   

    <TextView

        android:id="@+id/TextView02"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginLeft="10px"

        android:textColor="#0099CC"

        android:textSize="20px"

        android:textStyle="bold" >

    </TextView>

   

   

  

</RelativeLayout>