Android Search in ListView Example

Android Search in ListView Example

SOURCE CODE [main.xml] is


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:id="@+id/LinearLayout01"
                android:layout_width="fill_parent"

android:layout_height="fill_parent"

                xmlns:android="http://schemas.android.com/apk/res/android"
                android:orientation="vertical">

<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_width="wrap_content"

android:layout_height="wrap_content" >

</ListView>

</LinearLayout>



SOURCE CODE [ListViewSearchExample.java] is


package com.ListViewSearchExample;

import java.util.ArrayList;
import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;

public class ListViewSearchExample extends Activity
{

private ListView lv;

private EditText et;

private String listview_array[] = { "ONE", "TWO", "THREE", "FOUR", "FIVE",

"SIX", "SEVEN", "EIGHT", "NINE", "TEN" };

private ArrayList<String> array_sort= new ArrayList<String>();

int textlength=0;

public void onCreate(Bundle savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

lv = (ListView) findViewById(R.id.ListView01);

et = (EditText) findViewById(R.id.EditText01);

lv.setAdapter(new ArrayAdapter<String>(this,

android.R.layout.simple_list_item_1, listview_array));

et.addTextChangedListener(new TextWatcher()

{

public void afterTextChanged(Editable s)

{

                                                                // Abstract Method of TextWatcher Interface.

}

public void beforeTextChanged(CharSequence s,

int start, int count, int after)

{

// Abstract Method of TextWatcher Interface.

}

public void onTextChanged(CharSequence s,

int start, int before, int count)

{

textlength = et.getText().length();

array_sort.clear();

for (int i = 0; i < listview_array.length; i++)

{

if (textlength <= listview_array[i].length())

{

if(et.getText().toString().equalsIgnoreCase(

(String)

listview_array[i].subSequence(0,

textlength)))

{

                                                                                                                array_sort.add(listview_array[i]);
                                                                                                }
                                                                                }
                                                                }

lv.setAdapter(new ArrayAdapter<String>

(ListViewSearchExample.this,

android.R.layout.simple_list_item_1, array_sort));

}

});

}

}


The OUTPUT will be