Friday, October 14, 2011

Android - Search in Custom ListView Example

SEARCH IN 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">

<EditText android:id="@+id/EditText01"

android:layout_height="wrap_content"

android:layout_width="fill_parent"

android:hint="Search">

</EditText>

<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 [CustomListViewSearch.java] is

package com.CustomListViewSearch;

import java.util.ArrayList;

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

public class CustomListViewSearch extends Activity
{
EditText edittext;
ListView listview;

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 text_sort = new ArrayList();
ArrayList image_sort = new ArrayList();

public void onCreate(Bundle savedInstanceState)
{

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

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

public void afterTextChanged(Editable s)
{

}

public void beforeTextChanged(CharSequence s, int start,
int count, int after)
{

}

public void onTextChanged(CharSequence s, int start,
int before, int count)
{

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 text, ArrayList 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









5 comments:

  1. That works fine, thanks alot..

    ReplyDelete
    Replies
    1. its not your pleasure you have to thank Mr.Jack

      Orginal Post:

      http://android-helper.blogspot.in/2011/07/android-search-in-custom-listview.html

      Delete
  2. This comment has been removed by the author.

    ReplyDelete
  3. LayoutInflater inflater = getLayoutInflater();
    this line is giving error

    ReplyDelete