Creating an iPhone like roller in Android using ListView

I want to create 开发者_C百科a better NumberPicker then the one used in DatePicker. I looked at the HTC Sense Alarm clock Roller (looks like the iPhone Spinner/Roller), I want to create something like that.

I've created a ListView that looks right, but I need a way to get the current id of the middle row. ListView.getFirstVisiblePosition() kind of does what I want but it will give me +-1 errors. Another problem is that the scrolling should lock into a certain row when "dying" out. These are of course related and I hope I can solve this by using a custom ListView, but it's hid in the API.

Any thoughts on how to solve this?

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May be you can use this project on google code

https://code.google.com/p/android-wheel/

I did not tried it but seems that it works.

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Why don't you try to replace those three ListView cells with ViewFlipper objects. As with their help you might be able to flip in the middle.

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Trying to force ListView to behave as a kind of widget it is not seems like a bad approach. How about writing the widget yourself? If I was going to sit down and write such a thing in the platform, I definitely wouldn't try to build it on list view, nor probably any other widget. It makes sense as its own kind of thing.