How to Create a Search Interface in Android

 How to Create a Search Interface in Android

Today Learn How to Create a Search Interface in Android

1.MainActivity.java:

import android.content.Intent;

import android.widget.ArrayAdapter;

import android.widget.ListAdapter;

 

public class MainActivty extends Search {

    @Override

    ListAdapter makeMeAnAdapter(Intent intent) {

        return(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,items));

    }

}

2.Search.java:

import android.os.Bundle;

import android.app.ListActivity;

import android.app.SearchManager;

import android.content.Intent;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.EditText;

import android.widget.ListAdapter;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.Toast;

import java.util.ArrayList;

import org.xmlpull.v1.XmlPullParser;

 

abstract public class Search extends ListActivity {

    abstract ListAdapter makeMeAnAdapter(Intent intent);

 

    private static final int LOCAL_SEARCH_ID = Menu.FIRST + 1;

    private static final int GLOBAL_SEARCH_ID = Menu.FIRST + 2;

    EditText selection;

    ArrayList<String> items = new ArrayList<String>();

 

    @Override

    public void onCreate(Bundle bundle) {

        super.onCreate(bundle);

        setContentView(R.layout.activity_main);

        selection = (EditText) findViewById(R.id.selection);

 

        try {

            XmlPullParser xpp = getResources().getXml(R.xml.words);

 

            while (xpp.getEventType() != XmlPullParser.END_DOCUMENT) {

                if (xpp.getEventType() == XmlPullParser.START_TAG) {

                    if (xpp.getName().equals("word")) {

                        items.add(xpp.getAttributeValue(0));

                    }

                }

                xpp.next();

            }

        } catch (Throwable t) {

            Toast.makeText(this, "Request failed: " + t.toString(), 4000)

                    .show();

        }

 

        setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);

        onNewIntent(getIntent());

    }

 

    @Override

    public void onNewIntent(Intent intent) {

        ListAdapter adapter = makeMeAnAdapter(intent);

        if (adapter == null) {

            finish();

        } else {

            setListAdapter(adapter);

        }

    }

 

    public void onListItemClick(ListView parent, View v, int position, long id) {

        selection.setText(parent.getAdapter().getItem(position).toString());

 

    }

 

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        menu.add(Menu.NONE, LOCAL_SEARCH_ID, Menu.NONE, "Local Search")

                .setIcon(android.R.drawable.ic_search_category_default);

        menu.add(Menu.NONE, GLOBAL_SEARCH_ID, Menu.NONE, "Global Search")

                .setIcon(R.drawable.search)

                .setAlphabeticShortcut(SearchManager.MENU_KEY);

 

        return (super.onCreateOptionsMenu(menu));

    }

 

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {

        case LOCAL_SEARCH_ID:

            onSearchRequested();

            return (true);

 

        case GLOBAL_SEARCH_ID:

            startSearch(null, false, null, true);

            return (true);

        }

        return (super.onOptionsItemSelected(item));

    }

}

3.SearchInterface:

import java.util.ArrayList;

import java.util.List;

 

import android.app.SearchManager;

import android.content.Intent;

import android.widget.ArrayAdapter;

import android.widget.ListAdapter;

 

public class SearchInterface extends Search {

    @Override

    ListAdapter makeMeAnAdapter(Intent intent) {

        ListAdapter adapter=null; 

 

        if (intent.getAction().equals(Intent.ACTION_SEARCH)) {

            String query=intent.getStringExtra(SearchManager.QUERY);

            List<String> results=searchItems(query);

 

            adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,results);

            setTitle("Search : "+query);

        }

        return(adapter);

    }

 

    private List<String> searchItems(String query) {

        SearchSuggestionProvider

            .getBridge(this)

            .saveRecentQuery(query, null);

 

        List<String> results=new ArrayList<String>();

 

        for (String item : items) {

            if (item.indexOf(query)>-1) {

                results.add(item);

            }

        }

        return(results);

    }

}

4.activity_main.xml:

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

 

    <EditText

        android:id="@+id/selection"

        android:layout_width="fill_parent"

        android:layout_height="60dp" />

 

    <ListView

        android:id="@android:id/list"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent"

        android:drawSelectorOnTop="false" />

 

</LinearLayout>

5.Word.xml:

<words>

 

    <word value="C" />

    <word value="gcc" />

    <word value="C++" />

    <word value="codeBlocks" />

    <word value="Java" />

    <word value="NetBeans" />

    <word value="Eclipse" />

    <word value="Android" />

    <word value="Eclipse" />

    <word value="PHP" />

    <word value="MIPS" />

    <word value="SQL" />

    <word value="SQLite" />

    <word value="XML" />

    <word value="C#" />

    <word value="Adodbe" />

    <word value="MATLAB" />

    <word value=".NET" />

    <word value="Google" />

 

</words>

6.Manifest.xml add code:

<meta-data

     android:name="android.app.searchable"

     android:resource="@xml/searchable" />