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 Play Forward Icon |
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Making Standard Tab and Menu Icons for Android Apps
When designing mobile apps or designing graphics for Android apps, one must conform to srict guidelines. Re-using images designed for different operating systems, especially desktop-based, is not a good idea. Foreign images will look weird at best, or will render your Android apps appear hardly recognizable at worst.Designing Standard Tab and Menu Icons for Android Description: When designing Android apps or designing graphics for Android apps, one must follow srict guidelines. Using images designed for different systems, especially desktop-based, is not a good idea. Foreign images will look out of place at best, or will render your Android apps hardly recognizable at worst. Body: There exist precise guidelines published for designing standard-compliant Android icons. Different design guidelines are published for tab icons and menu graphics.
Tab icons are drawn in individual tabs in tabbed UI. Tab icons must be supplied in two different states: unselected and selected. It is recommended that tab icons are designed as simple, flat shapes as opposed to icons drawn in 3D or isometric projection.
Android OS and Android apps are used on a variety of different platforms employing a wide range of hardware. In reference to icon images, those platforms can have different screen sizes, display resolutions, pixel dimensions and density. To accommodate the variety of screens, 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 sizes are defined as 24x24, 32x32, and 48x48 pixels. The size of the shape itself should not exceed 22x22, 28x28, and 42x42 pixels respectively. By including all three standard sizes, developers can ensure that their apps will display properly on a wide range of platforms running the Android OS.
Menu icons are displayed in the "options" menu, and are displayed to users when they press the Menu button. Similar to tab icons, menu icons should be flat, greyscale images. Just as tab icons, developers cannot use 3D or isometric projections.
Screen resolutions for menu icons are defined in a slightly more comprehensive way compared to tab icons. Instead of two sizes defined 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 dimensions should be smaller than for icons shaped otherwise. The reason for having two different sizes is to establish a consistent visual weight across the two icon types.
The outer dimensions for ldpi, mdpi and hdpi 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 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 designing your own icons matching these guidelines, Android developers have an option of getting stock images from professional designers. For example, Android Tab Icons by Aha-Soft offer 112 unique tab graphics in both states and all three standard resolutions. Should additional resolutions be required, developers can render graphics at any size 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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