Android Fullscreen Activity

<manifest ...>
    <application ...>
        <activity
            android:name=".ImageViewActivity"
            android:label="@string/title_activity_image_view"
            android:theme="@style/AppTheme.Fullscreen">
        </activity>
    </application>
</manifest>

<resources>
    <style name="AppTheme.Fullscreen">
        <item name="android:windowFullscreen">true</item>
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
    </style>
</resources>