Thursday, September 22, 2011

Android - Custom ListView Example

CUSTOM LISTVIEW

SOURCE CODE [main.xml] is

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

</LinearLayout>

SOURCE CODE [listview.xml] is

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:layout_height="wrap_content"
android:gravity="left|center"
                android:layout_width="fill_parent"
android:paddingBottom="5px"
                android:background="#fff200"
                android:paddingTop="5px"
android:paddingLeft="5px">

                <ImageView android:id="@+id/ImageView01"
                                android:layout_width="wrap_content"
android:layout_height="wrap_content">
                </ImageView>

                <TextView android:id="@+id/TextView01"
                                android:layout_width="wrap_content"
android:layout_height="wrap_content"
                                android:textSize="20px"
                                android:textStyle="bold"
                                android:layout_marginLeft="10px"
android:textColor="#0099CC">
                </TextView>

</LinearLayout>


SOURCE CODE [CustomListViewExample.java] is

package com.CustomListViewExample;

import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class CustomListViewExample extends Activity
{

                String[] text = { "One", "Two", "Three", "Four", "Five", "Six", "Seven",
                                                "Eight", "Nine", "Ten" };

                int[] image = { R.drawable.one, R.drawable.two, R.drawable.three,
                                                R.drawable.four, R.drawable.five, R.drawable.six, R.drawable.seven,
                                                R.drawable.eight, R.drawable.nine, R.drawable.ten };

                public void onCreate(Bundle savedInstanceState)
{

                                super.onCreate(savedInstanceState);
                                setContentView(R.layout.main);

                                ListView l1 = (ListView) findViewById(R.id.ListView01);
                                l1.setAdapter(new MyCustomAdapter(text, image));

                }

                class MyCustomAdapter extends BaseAdapter
{

                                String[] data_text;
                                int[] data_image;

                                MyCustomAdapter()
{
                                                data_text = null;
data_image = null;
                                }

                                MyCustomAdapter(String[] text, int[] image)
{
                                                data_text = text;
                                                data_image = image;
                                }

                                public int getCount()
{
                                                return data_text.length;
                                }

                                public String getItem(int position)
{
                                                return null;
                                }

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

                                public View getView(int position, View convertView, ViewGroup parent)
{

                                                LayoutInflater inflater = getLayoutInflater();
                                                View row;

                                                row = inflater.inflate(R.layout.listview, parent, false);

                                                TextView textview = (TextView) row.findViewById(R.id.TextView01);
                                                ImageView imageview = (ImageView) row
                                                                                .findViewById(R.id.ImageView01);

                                                textview.setText(data_text[position]);
                                                imageview.setImageResource(data_image[position]);

                                                return (row);

                                }
                }

}

The OUTPUT will be


 https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRsfVeaB1QouDeVJiJPQz6lUdQjtNPXFxhfQQL85Y6gxdKiu6trmWpOgOuNxH9t0IIX9E7VEb5VRUPbf5qHjOvxkdpQJbKIN6lqvccjat480NfrXgkiMQur_GVEvNcpViuUk5uChsZjvg/

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5kw7bFGUxn8A1em94DcQYr_rD-W2RpyKbLcPVNdkqnRKFxDpiGimHSQD00lbMo-Tz69XAO0effrk0u-Rz2AgrQN1kK0TPBcRjl46lLk9UpgwBG0zpalMuJZq7UAAfg_pToykOoxn7oNQ/