title: Fully transparent activity with 9 patch corner image
body: <p>In my activity I try to make it transparent and with a 9 patch corner design , but it still showing a black color at the corner there, anyone know how to get rid of it ?</p>
  
  <p>What I try to do here is Non transparent (normal) <em>Activity A</em> with start a <em>new transparent activity B</em> as shown as below image but the 9patch background with corner design not fully transparent.</p>
  
  <p><img src="https://i.stack.imgur.com/hAOI7.png" alt="enter image description here"></p>
  
  <p><strong>Here's my 9patch</strong> </p>
  
  <p><img src="https://i.stack.imgur.com/RihGw.png" alt="enter image description here"></p>
  
  <p><strong>Activity XML</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;ScrollView
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:cacheColorHint="#00000000"
      android:fadingEdge ="horizontal"
      android:dividerHeight="0dp"
      android:background="@drawable/orange9patch"&gt;
      &lt;LinearLayout
          android:layout_width="fill_parent"
          android:layout_height="fill_parent"
          android:orientation="vertical"
          android:isScrollContainer="true"
          android:scrollbars="vertical"
          android:padding="12dip" &gt;
  [...........]
  </code></pre>
  
  <p><strong>Manifest</strong></p>
  
  <pre><code>  &lt;activity android:name=".ui.ResultActivity"
         android:theme="@style/Theme.Transparent"&gt;
    &lt;/activity&gt;         
  </code></pre>
  
  <p><strong>Style</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;resources&gt;
     &lt;style name="Theme.Transparent" parent="android:Theme"&gt;
     &lt;item name="android:windowIsTranslucent"&gt;true&lt;/item&gt;
      &lt;item name="android:windowContentOverlay"&gt;@null&lt;/item&gt;
      &lt;item name="android:windowNoTitle"&gt;true&lt;/item&gt;
      &lt;item name="android:windowIsFloating"&gt;true&lt;/item&gt;
      &lt;item name="android:backgroundDimEnabled"&gt;true&lt;/item&gt;
    &lt;/style&gt;
  [..........]
  </code></pre>