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copied!<p>I think the problem is in your <code>ListView</code>'s <code>layout_width</code> & <code>layout_height</code>.</p> <p>Set <code>layout_width="fill_parent"</code> and <code>layout_height="wrap_content"</code></p> <p>Otherwise</p> <p><strong>Ways to Set Divider Color & Height in Listview</strong></p> <ol> <li><p>You can set this value in a layout xml file using <code>android:divider="#FF0000"</code>. </p></li> <li><p>You should also set/reset the height of the divider when you modify it.</p> <p></p> <pre><code> <ListView android:id="@+id/android:list" android:layout_width="wrap_content" android:layout_height="wrap_content" android:divider="#FFCC00" android:dividerHeight="4px"/> </code></pre> <p></p></li> <li><p>You can also specify a <code>Drawable</code> resource in <code>android:divider</code> as well. </p></li> <li><p>You can code it:</p> <pre><code>int[] colors = {0, 0xFFFF0000, 0}; // red for the example myList.setDivider(new GradientDrawable(Orientation.RIGHT_LEFT, colors)); myList.setDividerHeight(1); </code></pre></li> <li><p>You can do like</p> <p>Method 1:</p></li> </ol> <p>In res/values/colors.xml, put the following:</p> <pre><code><resources> <color name="sage">#cceebb</color> </resources> </code></pre> <p>In your <code>ListActivity</code>-extending class, do this:</p> <pre><code>ListView lv = getListView(); ColorDrawable sage = new ColorDrawable(this.getResources().getColor(R.color.sage)); lv.setDivider(sage); lv.setDividerHeight(1); </code></pre> <p>Method 2:</p> <p>In res/values/colors.xml:</p> <pre><code><resources> <drawable name="sage">#cceebb</drawable> </resources> </code></pre> <p>And in your class that extends ListActivity:</p> <pre><code>ListView lv = getListView(); ColorDrawable sage = new ColorDrawable(this.getResources().getColor(R.drawable.sage)); lv.setDivider(sage); lv.setDividerHeight(1); </code></pre> <p>Hope it helps</p>

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