Can anyone tell me how I can create a custom rounded button in Android (like the one you see in the middle of the picture)?

Can anyone tell me how I can create a custom rounded button in Android (like the one you see in the middle of the picture)?

Every View on Android is a rectangle. Considering your picture, let's take a look at the Views (the lines represent View bounds):

The trick is that the big round Button in the middle simply overlaps the other two in some particular Layout. I've quickly tested this assumption and was able to achieve pretty much the same result, here's a screenshot illustrating how this can be done quite easily:

you can use this online button generator which also makes rounded buttons http://angrytools.com/android/button/