Creating rows of buttons
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I'm relatively new to Android development, so bear with me.  I'm creating an app that features many calculations and formulas for weather, distance, speed, etc.  Anyway, I'm looking to create the main menu with rows of buttons similar to how the iPhone does it, i.e. you press one button row and it takes you to the next page of a rows of buttons.

Sort of like:

![http://joomlart.s3.amazonaws.com/images/templates/jd_purity_preview/home_iphone_menu.jpg][1]

Is this done using layouts and controls or a menu?


  [1]: http://i.stack.imgur.com/OO0Nq.jpg