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Posted by Jack - - 5 comments


SEARCH IN CUSTOM LISTVIEW ON BUTTON CLICK

SOURCE CODE [main.xml] is

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

                <Button android:text="Search"
android:id="@+id/Button01"
                                android:layout_alignParentTop="true"
android:layout_alignParentRight="true"
                                android:layout_width="wrap_content"
android:layout_height="wrap_content">
</Button>

                <EditText android:layout_width="fill_parent"
                                android:layout_height="wrap_content"
android:text="" android:id="@+id/EditText01"
                                android:layout_toLeftOf="@+id/Button01">
</EditText>

                <ListView android:layout_height="wrap_content"
                                android:layout_below="@+id/EditText01"
android:layout_width="wrap_content"
                                android:id="@+id/ListView01">
</ListView>
                               
</RelativeLayout>

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 [CustomListViewSearchOnButtonClick.java] is

package com.CustomListViewSearchOnButtonClick;

import java.util.ArrayList;

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

public class CustomListViewSearchOnButtonClick extends Activity
{
                EditText edittext;
                ListView listview;
                Button search;

                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 };
                int textlength = 0;
                ArrayList<String> text_sort = new ArrayList<String>();
                ArrayList<Integer> image_sort = new ArrayList<Integer>();

                public void onCreate(Bundle savedInstanceState)
{

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

                                search = (Button) findViewById(R.id.Button01);

                                edittext = (EditText) findViewById(R.id.EditText01);
                                listview = (ListView) findViewById(R.id.ListView01);
                                listview.setAdapter(new MyCustomAdapter(text, image));

                                search.setOnClickListener(new OnClickListener()
{

                                                public void onClick(View v)
{

                                                                textlength = edittext.getText().length();
                                                                text_sort.clear();
                                                                image_sort.clear();

                                                                for (int i = 0; i < text.length; i++)
{
                                                                                if (textlength <= text[i].length())
{
                                                                                                if (edittext.getText().toString().
equalsIgnoreCase((String) text[i].subSequence(0, textlength)))
{
                                                                                                                text_sort.add(text[i]);
                                                                                                                image_sort.add(image[i]);
                                                                                                }
                                                                                }
                                                                }

                                                                listview.setAdapter(new MyCustomAdapter(text_sort, image_sort));

                                                }

                                });

                }

                class MyCustomAdapter extends BaseAdapter
{

                                String[] data_text;
                                int[] data_image;

                                MyCustomAdapter()
{

                                }

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

                                MyCustomAdapter(ArrayList<String> text, ArrayList<Integer> image)
{
                                                data_text = new String[text.size()];
                                                data_image = new int[image.size()];

                                                for (int i = 0; i < text.size(); i++) {
                                                                data_text[i] = text.get(i);
                                                                data_image[i] = image.get(i);
                                                }

                                }

                                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://lh6.googleusercontent.com/-R4bFy6lEv2Y/TpLgrs85DDI/AAAAAAAAANM/HA55nX7qBlA/s480/custom_listview_search_on_buttonclick1.png 

https://lh4.googleusercontent.com/-tKUKfIrdMVo/TpLgrzX2VBI/AAAAAAAAANQ/LIHDIezhKaY/s480/custom_listview_search_on_buttonclick2.png