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 3D Graph Icon |
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Producing Standard Tab and Menu Icons for Android Apps
When developing Android apps or designing graphics for Android apps, it is essential to conform to srict guidelines. Using icons made for different systems, especially desktop-based, is not a good idea. Foreign graphics will look out of place at best, or will make your Android apps hardly recognizable at worst.Producing Standard Tab and Menu Icons for Android Apps Description: When developing mobile apps or designing graphics for Android apps, one must conform to certain guidelines. Re-using icons made for other systems, especially desktop-based, is 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 precise 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 UI. Tab icons must 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 can run on a wide range of different 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 sizes 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, designers can ensure that their apps will be shown properly on a variety of platforms running the Android OS.
Menu icons are displayed in the "options" menu, and are displayed 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.
Screen 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 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 resolution should be smaller than for icons shaped otherwise. The reason for specifying 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, medium-definition icons should fit 30x30 and 32x32 pixel boundaries, while high-definition images should fit into 44x44 and 48x48 pixel boundaries respectively.
Instead of designing your own icons conforming to these guidelines, Android developers have an option of ordering ready-made icons from professional designers. As an example, Android Tab Icons by Aha-Soft offer 112 unique tab icons in selected and unselected states and all standard resolutions. If an additional size is needed, developers can render icons 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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