AtStringSlashTitleActivityMain

        <activity
            android:name="com.example.jmim.mypak.LessonOneActivity"
            android:label="@string/title_activity_main" >

            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
                <data android:mimeType="text/plain"/>
            </intent-filter>

        </activity>