GridLayout (not GridView) how to stretch all children evenly

Question

I want to have a 2x2 grid with a buttons inside. This is only ICS so I am trying to use the new GridLayout given.

Here\'s the XML of my layout:

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Answer 1

UPDATE: Weights are supported as of API 21. See PaulT's answer for more details. END UPDATE There are limitations when using the GridLayout, the following quote is taken from the documentation.

"GridLayout does not provide support for the principle of weight, as defined in weight. In general, it is not therefore possible to configure a GridLayout to distribute excess space in non-trivial proportions between multiple rows or columns ... For complete control over excess space distribution in a row or column; use a LinearLayout subview to hold the components in the associated cell group."

Here is a small example that uses LinearLayout subviews. (I used Space Views that takes up unused area and pushes the buttons into desired position.)