Usage of SearchView in an ActionBar as a menu item.

package com.example.android.apis.view;

import com.example.android.apis.R;

import android.app.Activity;
import android.app.SearchManager;
import android.app.SearchableInfo;
import android.content.Context;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.SearchView;
import android.widget.TextView;

import java.util.List;

/**
* This demonstrates the usage of SearchView in an ActionBar as a menu item.
* It sets a SearchableInfo on the SearchView for suggestions and submitting queries to.
*/
public class SearchViewActionBar extends Activity implements SearchView.OnQueryTextListener,
SearchView.OnCloseListener, Button.OnClickListener {

private SearchView mSearchView;
private Button mOpenButton;
private Button mCloseButton;
private TextView mStatusView;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_ACTION_BAR);

setContentView(R.layout.searchview_actionbar);

mStatusView = (TextView) findViewById(R.id.status_text);
mOpenButton = (Button) findViewById(R.id.open_button);
mCloseButton = (Button) findViewById(R.id.close_button);
mOpenButton.setOnClickListener(this);
mCloseButton.setOnClickListener(this);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);

MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.searchview_in_menu, menu);
mSearchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
setupSearchView();

return true;
}

private void setupSearchView() {

mSearchView.setIconifiedByDefault(true);

SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
if (searchManager != null) {
List<SearchableInfo> searchables = searchManager.getSearchablesInGlobalSearch();

// Try to use the "applications" global search provider
SearchableInfo info = searchManager.getSearchableInfo(getComponentName());
for (SearchableInfo inf : searchables) {
if (inf.getSuggestAuthority() != null
&& inf.getSuggestAuthority().startsWith("applications")) {
info = inf;
}
}
mSearchView.setSearchableInfo(info);
}

mSearchView.setOnQueryTextListener(this);
mSearchView.setOnCloseListener(this);
}

public boolean onQueryTextChange(String newText) {
mStatusView.setText("Query = " + newText);
return false;
}

public boolean onQueryTextSubmit(String query) {
mStatusView.setText("Query = " + query + " : submitted");
return false;
}

public boolean onClose() {
mStatusView.setText("Closed!");
return false;
}

public void onClick(View view) {
if (view == mCloseButton) {
mSearchView.setIconified(true);
} else if (view == mOpenButton) {
mSearchView.setIconified(false);
}
}
}

//layout/searchview_actionbar.xml

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

<Button
android:id="@+id/open_button"
android:text="@string/open_search"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
/>

<Button
android:id="@+id/close_button"
android:text="@string/close_search"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
/>

<TextView
android:id="@+id/status_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"/>

</LinearLayout>

//menu/searchview_in_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/action_search"
android:title="@string/action_bar_search"
android:icon="@android:drawable/ic_menu_search"
android:showAsAction="always"
android:actionViewClass="android.widget.SearchView" />
</menu>