Screen lock customization for android [duplicate]

This question already has an answer here: Closed 10 years ago.

Possible Duplicate:

Customizing Android Lock Screen functionality?

I'm planning to explore the possibilities on how to make a screen lock better (like pattern based). It will be great help if someone points out the difficulty 开发者_如何学Clevel or where to actually start digging. This is going to be my project idea for minor research paper. What do u guys think or if anyone has more ideas worth exploring, I would like to consider it. reagrds

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Replacing the screen lock application is not supported by the current Android SDK. Hopefully, they will provide options for this in the future. Sorry!