<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="primary">#03A9F4</color>
    <color name="primary_dark">#0288D1</color>
    <color name="primary_light">#B3E5FC</color>
    <color name="accent">#FF4081</color>
    <color name="primary_text">#212121</color>
    <color name="primary_text_dark">#FFFFFF</color>
    <color name="secondary_text">#727272</color>
    <color name="icons">#FFFFFF</color>
    <color name="divider">#B6B6B6</color>

    <color name="translucent">#66000000</color>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="primary">#03A9F4</color>
    <color name="primary_dark">#0288D1</color>
    <color name="primary_light">#B3E5FC</color>
    <color name="accent">#FF4081</color>
    <color name="primary_text">#212121</color>
    <color name="primary_text_dark">#FFFFFF</color>
    <color name="secondary_text">#727272</color>
    <color name="icons">#FFFFFF</color>
    <color name="divider">#B6B6B6</color>

    <color name="translucent">#99000000</color>
</resources>

Make the background of ImageViewerActivity darker
Make the background of ImageViewerActivity darker
