List view icons look a lot like dialog icons, but they use an inner shadow
effect where the light source is above the object. They are also designed to be
used only in a [ListView](https://developer.android.com/reference/android/widget/ListView). Examples include the Settings
application.

As described in [Providing
Density-Specific Icon Sets](https://developer.android.com/guide/practices/ui_guidelines/icon_design#icon-sets), you should create separate icon sets for low-,
medium-, and high-density screens. This ensures that your icons will display
properly across the range of devices on which your application can be installed.
See Table 1 for a listing of the recommended finished icon sizes for each
density. Also, see [Tips for Designers](https://developer.android.com/guide/practices/ui_guidelines/icon_design#design-tips)
for suggestions on how to work with multiple sets of icons.

**Table 1.** Summary of finished list view
icon dimensions for each of the three generalized screen densities.

|   | `ldpi` (120 dpi) (Low density screen) | `mdpi` (160 dpi) (Medium density screen) | `hdpi` (240 dpi) (High density screen) | `xhdpi` (320 dpi) (Extra-high density screen) |
| List View Icon Size | 24 x 24 px | 32 x 32 px | 48 x 48 px | 64 x 64 px |
|---|---|---|---|---|

**Final art must be exported as a transparent PNG file. Do not include
a background color**.

Templates for creating icons in Adobe Photoshop are available in the [Icon
Templates Pack](https://developer.android.com/guide/practices/ui_guidelines/icon_design#templatespack).

## All Android Versions

The following guidelines describe how to design list view icons for all versions
of the Android platform.

### Structure

- A list view icon normally has a 1 px safeframe, but it is OK to use the safeframe area for the edge of the anti-alias of a round shape.
- All dimensions specified are based on a 32x32 pixel artboard size in Photoshop. Keep 1 pixel of padding around the bounding box inside the template.

|---|---|
| ![A view of list view icon structure.](https://developer.android.com/static/images/icon_design/listview_icon.png) | **Figure 1.**Safeframe and fill gradient for list view icons. Icon size is 32x32. |

### Light, effects, and shadows

List view icons are flat and pictured face-on with an inner shadow. Built up
by a light gradient and inner shadow, they stand out well on a dark
background.

|---|---|
| ![A view of light, effects, and shadows for list view icons.](https://developer.android.com/static/images/icon_design/listview_icon_details.png) | **Figure 2.**Light, effects, and shadows for list view icons. |---|---|---|---| | *1.* | Inner shadow: | black \| 57 % opacity \| angle 120° \| blend mode normal \| distance 1px \| size 1px |   | | *2.* | Background: | black \| standard system color These icons are displayed in list views only. | | Note: The list view icon sits on 32x32 px artboard in Photoshop, without a safeframe. || |

|---|
| #### Step by step 1. Add the effects seen in Figure 2 for the proper filter. 2. Export the icon at 32x32 as a PNG file with transparency enabled. 3. Create the basic shapes using a tool like Adobe Illustrator. 4. Import the shape into a tool like Adobe Photoshop and scale to fit an image of 32x32 px on a transparent background. |