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TableLayout columns equal width

 

<tablelayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:stretchColumns="1"> 
  
    <TableRow>
      <!-- Column 1 -->
      <TextView
         android:id="@+id/tbl_txt1"
         android:layout_width="0dip"
         android:layout_height="wrap_content"
         android:background="@color/red"
         android:textColor="@color/white"
         android:padding="10dip"
         android:layout_margin="4dip"
         android:layout_weight="1"
         android:text="Column 1" />
          
      <!-- Column 2 -->
      <TextView
         android:id="@+id/tbl_txt2"
         android:layout_width="0dip"
         android:layout_height="wrap_content"
         android:background="@color/red"
         android:textColor="@color/white"
         android:padding="10dip"
         android:layout_margin="4dip"
         android:layout_weight="1"
         android:text="Column 2" />
          
      <!-- Column 3 -->
      <TextView
         android:id="@+id/tbl_txt3"
         android:layout_width="0dip"
         android:layout_height="wrap_content"
         android:background="@color/red"
         android:textColor="@color/white"
         android:padding="10dip"
         android:layout_margin="4dip"
         android:layout_weight="1"
         android:text="Column 3" />
    </TableRow>
</TableLayout>