title: How to align Button by center and make offset
body: <p>I would like to align button on center and make offset i was tried approach like that <a href="https://stackoverflow.com/questions/11690274/is-there-a-way-to-offset-a-view-from-center-in-android">Is there a way to offset a view from center in Android?</a> but it do not work. For example:</p>
  
  <pre><code>&lt;View
  android:id="@+id/fakeView"
  android:layout_width="10dp"
  android:layout_height="10dp"
  android:layout_centerInParent="true"
  android:paddingTop="80dp"
  android:background="#FFAABB" /&gt;
  </code></pre>
  
  <p>Still stay on center</p>
  
  <p>Is any way accomplish like this:</p>
  
  <p><img src="https://i.stack.imgur.com/es6TB.png" alt="enter image description here"></p>
  
  <p>UPDATE:</p>
  
  <p>my full layout:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent" &gt;
       &lt;ImageButton 
           android:layout_width="100dp"
           android:layout_height="100dp"
           android:layout_centerHorizontal="true"
           android:layout_marginLeft="100dp"
           /&gt;
  &lt;/RelativeLayout&gt;
  </code></pre>