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    copied!<p>i was going through all related topics but no one could solve my problem. But some of them were very useful to understand how the layer-list or shape parameters work. </p> <p>My problem was to define a button with a linear gradient and draw a top and a bottom line in different colors. After all I hacked this solution. I saved the file unter res/drawable/blue_btn.xml</p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;selector xmlns:android="http://schemas.android.com/apk/res/android" &gt; &lt;item android:state_pressed="true" &gt; &lt;shape android:shape="rectangle"&gt; &lt;solid android:color="@color/blue_end" /&gt; &lt;padding android:left="10dp" android:top="10dp" android:right="10dp" android:bottom="10dp" /&gt; &lt;stroke android:width="1dp" android:color="@color/bottomline_btn" /&gt; &lt;/shape&gt; &lt;/item&gt; &lt;item&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="@color/blue" /&gt; &lt;gradient android:startColor="@color/blue" android:endColor="@color/blue_end" android:angle="270" /&gt; &lt;/shape&gt; &lt;/item&gt; &lt;item android:top="0dp" android:bottom="-1dp" android:left="-1dp" android:right="-1dp"&gt; &lt;shape android:shape="rectangle"&gt; &lt;stroke android:width="1dp" android:color="@color/topline_btn" /&gt; &lt;solid android:color="#00000000" /&gt; &lt;corners android:radius="0dp" /&gt; &lt;/shape&gt; &lt;/item&gt; &lt;item android:top="-1dp" android:bottom="0dp" android:left="-1dp" android:right="-1dp"&gt; &lt;shape android:shape="rectangle"&gt; &lt;stroke android:width="1dp" android:color="@color/bottomline_btn" /&gt; &lt;solid android:color="#00000000" /&gt; &lt;corners android:radius="0dp" /&gt; &lt;/shape&gt; &lt;/item&gt; &lt;/layer-list&gt; &lt;/item&gt; &lt;/selector&gt; &lt;color name="topline_btn"&gt;#31ffffff&lt;/color&gt; &lt;color name="bottomline_btn"&gt;#31000000&lt;/color&gt; &lt;color name="blue"&gt;#449def&lt;/color&gt; &lt;color name="blue_end"&gt;#2f6699&lt;/color&gt; </code></pre>
 

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