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I want to use an image as an application launcher icon for my android application.

The android guidelines specify an image for the launcher icon must be a 32 bit PNG image.

Please explain the steps necessary to create a 32 bit png file with alpha.

Or share a video link showing these steps, if any.

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Simply save/export a PNG24 image using Adobe Photoshop which contains transparency. Transparency is the remaining 8 bits.

24Bit PNG = 8 bits red, 8 bits blue, 8 bits green

32bit PNG = 8 bits red, 8 bits blue, 8 bits green, 8 bits alpha

Photoshop automatically creates a 32bit PNG image if you save a 24Bit PNG that contains transparent areas.

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Ok, I tried these steps. It works. Thanks Scott. –  pooja Jul 5 '13 at 10:55
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