Searchable.xml for Android Studio, place where?

Rigth click to ‘res’, ‘new android resource file’.
Filename ‘searchable.xml’, resource type xml, ‘ok’.

<?xml version="1.0" encoding="utf-8"?>
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
    android:label="@string/app_label"
    android:hint="@string/search_hint" >
</searchable>

On AndroidManifest.xml add next code inside ‘application’ label.

<activity android:name="search.search_class">
    <intent-filter>
        <action android:name="android.intent.action.SEARCH"/>
    </intent-filter>
        <meta-data
            android:name="android.app.searchable"
            android:resource="@xml/searchable" <---
                />
</activity>

Step by Step Solution :

Step 1 : Right click on res > New > Android resource directory

Step 2 : Popup will open choose Directory name as xml and Resource type as xml

Step 3 : Then xml Directory will be created in res folder, Right click on xml > New > XML resource file

Step 4 : popup will open set file name as searchable.xml and Root element as searchable

searchable.xml is created do your code then.

You have to create a folder called xml in res folder of your android project and place your searchable.xml file into xml folder

`XML file saved at res/xml/searchable.xml:`

Do like this below

<?xml version="1.0" encoding="utf-8"?>
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
android:label="@string/app_name"
android:hint="@string/search_hint" />

In AndroidManifest.xml

 <activity android:name=".MainActivity"
        android:label="@string/title_activity_main">
    <meta-data
        android:name="android.app.searchable"
        android:resource="@xml/searchable"/> <!-- Your searchable file -->
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

Hope this helps you…

See this for more info