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    <p>I think the answer by @Leonidos is very close to what I'm proposing, except I'm using the drawable as a separate view instead of the background for the entire list detail layout. This allows it to be a fixed width and to let the item text have its own background. Let me know if I'm not understanding your constraints. </p> <p>The following file is "res/drawable/list_left_border"</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;layer-list xmlns:android="http://schemas.android.com/apk/res/android" &gt; &lt;item&gt; &lt;shape android:shape="rectangle" &gt; &lt;solid android:color="#e76e63" /&gt; &lt;/shape&gt; &lt;/item&gt; &lt;item android:top="2dp"&gt; &lt;shape android:shape="rectangle" &gt; &lt;solid android:color="#ffc257" /&gt; &lt;/shape&gt; &lt;/item&gt; &lt;/layer-list&gt; </code></pre> <p>Then on the layout for the list item in "res/layout/list_item.xml"</p> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" tools:context=".MainActivity" &gt; &lt;View android:background="@drawable/list_left_border" android:layout_width="8dp" android:layout_height="match_parent" /&gt; &lt;TextView android:id="@+id/listItemText" android:textSize="15sp" android:padding="10dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>Here's the image. The background is pink to show that the list item is transparent.</p> <p><img src="https://i.stack.imgur.com/C3Afo.png" alt="enter image description here"></p>
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    1. COadditional views is cheating )
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    2. CO@Leonidos Is the constraint that the drawable should be the background of the layout for the entire detail item? In my example that would be the LinearLayout view. Or would it need to be the background of the TextView?
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    3. COI mean that the author doesn't want additional views )
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