In addition the obvious proficiency with graphics, creating a good Android theme requires certain knowledge about exactly one must do. Even the default theme engine used many ROMs requires theme files to have a compatible structure, otherwise your newly created themes will not work or will be incomplete.
Sony devices have a quite unique UI, which many people fancy. Unfortunately, like most of stock ROMs, it’s bloated and full of commercial content. Because of this, quite a few XDA folks decide to venture over to AOSP-derived ROMs in their many flavors. If you ever wondered how to make an AOSP ROM to look like an Xperia device, XDA Senior Member gamzekal has the answer to this question. Gamzekal wrote a guide about porting Xperia Themes to CyanogenMod 11. The whole trick is to use Ambor Theme Engine by XDA Senior Member Ambor and change a few files. The guide explains which files should be changed and what code should be replaced in order to get a theme working on CM.
You’ll need a few minutes of free time and the themer’s best friend, APKTool. To learn how to theme your CM ROM to look like an Xperia ROM, visit the Xperia to CM Theme guide thread to get started._________
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