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 Gemstone Icon |
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Making Tab and Menu Icons for Android Apps
When designing mobile apps or drawing graphics for Android apps, it is essential to follow certain guidelines. Re-using icons designed for different systems, especially desktop-based, is generally not a good idea. Foreign icons will look weird at best, or will make your Android apps appear hardly recognizable at worst.Making Standard Tab and Menu Icons for Android Description: When designing mobile apps or drawing graphics for Android apps, one must conform to certain guidelines. Re-using images made for other systems, especially desktop-based, is not a good idea. Foreign icons will look weird at best, or will make your Android apps hardly recognizable at worst. Body: There are strict guidelines published in reference to Android icons. Different design guidelines are published for tab icons and menu graphics.
Tab icons represent individual tabs in tabbed interface. Tab icons must be supplied in two distinct states: selected and unselected. It is recommended that tab icons are created as simple, flat shapes as opposed to graphics shown 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, screen resolutions, pixel density and dimensions. To accommodate the variety of displays, Android developers should supply all tab icons used in their apps in at least three resolutions to be drawn on low, medium, and high density displays. Resolution-wise, the outer boundaries for the three sizes are defined as 24x24, 32x32, and 48x48 pixels. Inner dimensions should not exceed 22x22, 28x28, and 42x42 pixels respectively. By supplying all three standard sizes, developers can ensure that their apps will display properly on a variety of devices running the Android OS.
Menu icons are drawn in the "options" menu, and are shown to users when they press the Menu button. Similar to tab icons, menu icons should be flat, greyscale images. Like tab icons, developers cannot use 3D or isometric projections.
Pixel resolutions for menu icons are defined in a slightly more complex way as opposed to to tab icons. Instead of just two resolutions defined 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 size should be smaller than for icons shaped otherwise. The reason for having two different size limits is to establish a consistent visual weight across the two icon types.
The outer dimensions for low, medium, and high resolution 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, mdpi icons should fit 30x30 and 32x32 pixel boundaries, while high-definition images should fit into 44x44 and 48x48 pixel boxes respectively.
Instead of designing your own icons conforming to these guidelines, Android developers have an option of getting stock graphics from professional designers. For example, Android Tab Icons by Aha-Soft include 112 unique tab icons in both states and all standard sizes. Should additional resolutions be required, developers can produce graphics at any resolution by opening 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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