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 Aquamarine with Shadow Icon |
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Making Standard Tab and Menu Icons for Android Apps
When developing mobile apps or designing graphics for mobile apps, it is essential to conform to certain guidelines. Re-using graphics designed for other systems, especially desktop-based, is generally not a good idea. Foreign images will look out of place at best, or will render your Android apps appear hardly recognizable at worst.Producing Standard Tab and Menu Icons for Android Description: When designing mobile apps or drawing graphics for mobile apps, one must follow certain guidelines. Using graphics made for different systems, especially desktop-based, is not a good idea. Foreign icons will look out of place at best, or will render your Android apps appear hardly recognizable at worst. Body: There are strict guidelines available in reference to Android icons. Different design guidelines are available for tab icons and menu images.
Tab icons represent individual tabs in tabbed interface. Tab icons must be provided in two different states: unselected and selected. It is recommended that tab icons are drawn as simple, flat shapes as opposed to icons drawn in 3D or isometric projection.
Android OS and Android apps are used on a wide range of hardware platforms using a wide range of hardware. In reference to icon images, those devices can have different display sizes, display resolutions, pixel density and dimensions. To accommodate the variety of screens, Android developers should provide all tab icons used in their apps in at least three resolutions to be displayed on low, medium, and high density displays. Resolution-wise, the outer boundaries for the three resolutions are defined as 24x24, 32x32, and 48x48 pixels. Inner dimensions should not exceed 22x22, 28x28, and 42x42 pixels respectively. By including all three standard sizes, developers can ensure that their apps will be shown properly on a variety of platforms running the Android OS.
Menu icons are drawn in the "options" menu, and are displayed to the user when they press the Menu button. Similar to tab icons, menu icons should be flat, grayscale images. Just as tab icons, developers should not use 3D or isometric projections.
Screen sizes for menu icons are described in a slightly more complex way as opposed to to tab icons. Instead of two sizes described for tab graphics (inner shape and boundary box), the inner shape of menu icons can be smaller or larger depending on their shape. If a menu icon is square-shaped, its size should be smaller than for icons with different shapes. The reason for having two different size limits is to establish a consistent visual size across the two icon types.
The outer dimensions for ldpi, mdpi and hdpi icons are described as 36x36, 48x48, and 72x72 pixels respectively. Inner shapes for square, low-definition icons is 22x22 pixels, while non-square icons should fit into a boundary box sized 24x24 pixels. Similarly, medium-definition icons should fit 30x30 and 32x32 pixel boxes, while high-definition images should fit into 44x44 and 48x48 pixel boxes respectively.
Instead of drawing your own images conforming to these guidelines, Android developers have an option of obtaining stock graphics from professional designers. As an example, Android Tab Icons by Aha-Soft offer 112 unique tab graphics in both states and all standard resolutions. If an additional size is needed, developers can render images at any resolution by opening scalable vector sources. Android Tab Icons can be previewed and downloaded at http://www.aha-soft.com/stock-icons/android-tab-icons.htm.
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