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 Taxi Icon |
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Making Standard Tab and Menu Icons for Android Apps
When designing Android apps or designing graphics for Android apps, it is essential to conform to certain guidelines. Re-using images made for different operating systems, especially desktop-based, is generally not a good idea. Foreign icons will look out of place at best, or will make your Android apps hardly recognizable at worst.Designing Tab and Menu Icons for Android Apps Description: When designing Android apps or drawing graphics for mobile apps, it is essential to conform to srict guidelines. Using images designed for other operating systems, especially desktop-based, is not a good idea. Foreign images will look out of place at best, or will render your Android apps appear hardly recognizable at worst. Body: There are precise guidelines published for designing standard-compliant Android icons. Different design guidelines are published for tab icons and menu icons.
Tab icons represent individual tabs in tabbed interface. Tab icons must be supplied in two different states: selected and unselected. It is required that tab icons are drawn as simple, flat shapes as opposed to icons drawn in 3D or isometric projection.
Android OS and Android apps can run on a wide range of different platforms employing a wide range of hardware. In reference to icon graphics, those devices can have different display sizes, display resolutions, pixel density and dimensions. To accommodate the wide range of displays, Android developers should provide all tab icons used in their apps in at least three resolutions to be shown 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 providing all three standard resolutions, designers can ensure that their apps will be shown properly on a wide range of devices running the Android OS.
Menu icons are used in the "options" menu, and are shown to users when they press the Menu button. Similar to tab icons, menu icons are specified as flat, grayscale images. Just as tab icons, developers cannot use 3D or isometric projections.
Pixel sizes for menu icons are described in a slightly more complex way as opposed to to tab icons. Instead of just two sizes described for tab icons (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 dimensions should be smaller than for icons shaped otherwise. The reason for specifying two different sizes is to establish a consistent visual weight across the two icon types.
The outer dimensions for low, medium, and high resolution icons are defined as 36x36, 48x48, and 72x72 pixels respectively. Inner shapes for square, low-definition icons should be 22x22 pixels, while non-square icons should fit into a boundary box sized 24x24 dots. Similarly, medium-definition icons should fit 30x30 and 32x32 pixel boxes, while high-definition images should fit into 44x44 and 48x48 pixel rectangles respectively.
Instead of designing your own icons matching these guidelines, Android developers have an option of obtaining ready-made graphics from professional designers. As an example, Android Tab Icons by Aha-Soft include 112 unique tab images in selected and unselected states and all standard resolutions. If an additional size is needed, developers can render icons at any size by accessing scalable vector sources. Android Tab Icons can be viewed and downloaded at http://www.aha-soft.com/stock-icons/android-tab-icons.htm.
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