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Hw to use android:layout_weight 


Use android:layout_weight
<LinearLayout 
        android:orientation="vertical" android:layout_width="fill_parent"
        android:layout_height="fill_parent" android:weightSum="100"
        xmlns:android="http://schemas.android.com/apk/res/android">
        <LinearLayout 
            android:layout_width="fill_parent" android:layout_height="wrap_content"
            android:layout_weight="70" >

        </LinearLayout>
        <LinearLayout android:id="@+id/widget32" android:orientation="horizontal"
            android:layout_weight="30" android:layout_width="fill_parent"

            android:layout_height="wrap_content">

        </LinearLayout>
    </LinearLayout>

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