AndroidManifest.xml

<activity android:name=".SearchableActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <action android:name="android.intent.action.SEARCH" />
            </intent-filter>

            <!-- note: this is needed to show a keyboard with proposals -->
            <meta-data
                android:name="android.app.searchable"
                android:resource="@xml/searchable" />
        </activity>

searchable.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- in src/xml -->
   <!-- label is used in Quick Search Box
    see http://developer.android.com/guide/topics/search/search-dialog.html#InvokingTheSearchDialog
    -->
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
    android:label="@string/app_name"
    android:hint="Search Mikes stuff" >
</searchable>

SearchViewWithToggle.java

package de.siobra.mikesgreatandroid4app.view;

import android.app.Activity;
import android.app.SearchManager;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.SearchView;
import android.widget.Switch;
import android.widget.TextView;

import java.lang.reflect.Field;

import de.siobra.mikesgreatandroid4app.R;

/**
 * extended SearchView with a toggle to the right, behaving like iOS toggle
 * Created by mike on 11.09.13.
 */
public class SearchViewWithToggle extends SearchView {

    private static final String TAG = SearchViewWithToggle.class.getSimpleName();
    private Switch searchSwitch;
    private TextView leftLabel;
    private TextView rightLabel;

    public SearchViewWithToggle(Context context) {
        super(context);
    }

    public SearchViewWithToggle(Context context, AttributeSet attrs) {
        super(context, attrs);
    }


    public void initSearchView(SearchManager searchManager, Activity activity, final CompoundButton.OnCheckedChangeListener onCheckCallback) {
        SearchViewWithToggle searchView = this;
        searchView.setSearchableInfo(searchManager.getSearchableInfo(activity.getComponentName()));
        //use whole width
        searchView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));

        View searchToggleLayout = activity.getLayoutInflater().inflate(R.layout.search_toggle, null);

        searchView.getSearchBarLayout().addView(searchToggleLayout);

        searchSwitch = (Switch) searchToggleLayout.findViewById(R.id.searchSwitch);
        leftLabel = (TextView) searchToggleLayout.findViewById(R.id.leftLabel);
        leftLabel.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                searchSwitch.setChecked(false);
            }
        });

        rightLabel = (TextView) searchToggleLayout.findViewById(R.id.rightLabel);
        rightLabel.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                searchSwitch.setChecked(true);
            }
        });

        updateLabels(searchSwitch.isChecked());
        searchSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                updateLabels(checked);
                if (null != onCheckCallback)
                    onCheckCallback.onCheckedChanged(compoundButton, checked);
            }
        });

    }

    private void updateLabels(boolean checked) {
        final int uncheckedColor = getResources().getColor(R.color.textdark_gray);
        final int checkedColor = getResources().getColor(R.color.textlight_color);

        boolean left = !checked;
        if (left) {
            leftLabel.setTextColor(checkedColor);
            rightLabel.setTextColor(uncheckedColor);
        } else {
            leftLabel.setTextColor(uncheckedColor);
            rightLabel.setTextColor(checkedColor);
        }
    }


    public LinearLayout getSearchBarLayout() {
        try {
            Field searchField = SearchView.class.getDeclaredField("mSearchEditFrame");
            searchField.setAccessible(true);
            searchField = SearchView.class.getDeclaredField("mSearchEditFrame");
            searchField.setAccessible(true);
            LinearLayout searchEditFrame = (LinearLayout) searchField.get(this);
            return searchEditFrame;
        } catch (NoSuchFieldException e) {
            Log.e(TAG, e.getMessage(), e);

        } catch (IllegalAccessException e) {
            Log.e(TAG, e.getMessage(), e);
        }
        throw new IllegalStateException();
    }


}