How does android:layout_weight work?

Question

When I have the following, it shows top layout with four colors has much smaller area than the bottom layout area.

According to this documentation, when you add more

Answer 1

I had the same problem. The trick is not to use "wrap_content" or "fill_parent" for the controls you are setting a weight to. Instead set the layout_height to 0px (when inside a vertical layout) and then the child controls will get proportioned per the weight values.