RelativeLayout weight

RelativeLayouts do not support weight. You need to use a LinearLayout as a parent container if you want to use weights.

RelativeLayout does not pay attention to android:layout_weight. (That's a property of LinearLayout.LayoutParams, but not of RelativeLayout.LayoutParams.)

You should be able to get the layout you want with a much simpler view hierarchy. It's not clear what you are trying to do, since the last two RelativeLayouts are empty. If you need a purely vertical organization, I'd suggest using LinearLayout instead of RelativeLayout.

EDIT Based on your edit, it looks like you want a horizontal layout of three compound views, each one clickable. I think something like the following will work:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >

    <!-- First column -->
    <LinearLayout
        android:id="@+id/firstColumn"
        android:orientation="vertical"
        android:gravity="center_horizontal"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        >

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="..." />
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:text="text 1"
            . . . />
    </LinearLayout>

    <!-- Second column -->
    <LinearLayout . . . >
        . . .
    </LinearLayout>
</LinearLayout>

If the contents of the buttons aren't correct, you can replace the second-level LinearLayout views with RelativeLayout if that helps organize the layout better.