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Program Icons
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Icon sizes: 256x256, 48x48, 32x32, 24x24, 20x20, 16x16 File formats: ICO, GIF, PNG, BMP Designing Tab and Menu Icons for Android AppsWhen designing Android apps or designing graphics for Android apps, one must conform to srict guidelines. Using images made for other operating systems, especially desktop-based, is not a good idea. Foreign graphics will look out of place at best, or will make your Android apps appear hardly recognizable at worst.Producing Tab and Menu Icons for Android Description: When designing Android apps or drawing graphics for mobile apps, it is essential to conform to srict guidelines. Re-using graphics 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. Body: There exist strict guidelines published for designing standard-compliant Android icons. Different design guidelines are available for tab icons and menu images. Tab icons represent individual tabs in tabbed UI. Tab icons should be provided in two distinct 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 employing a wide range of hardware. In connection to icon graphics, those platforms can have different screen 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 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 providing all three standard resolutions, designers can ensure that their apps will be shown properly on a variety of platforms running the Android OS. Menu icons are used in the "options" menu, and are shown to the user 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 resolutions for menu icons are described in a slightly more comprehensive way as opposed to to tab icons. Instead of two resolutions described for tab icons (inner shape and boundary box), the inner shape of menu icons can be smaller or bigger depending on their shape. If a menu icon is square-shaped, its resolution should be smaller than for icons with different shapes. The reason for having two different size limits is to establish a consistent visual weight 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, mdpi icons should fit 30x30 and 32x32 pixel boxes, while high-definition images should fit into 44x44 and 48x48 pixel boxes respectively. Instead of designing your own graphics conforming to these guidelines, Android developers have an option of obtaining ready-made icons from professional designers. For example, Android Tab Icons by Aha-Soft offer 112 unique tab graphics in selected and unselected states and all standard resolutions. Should additional resolutions be required, developers can render images at any resolution 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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