title: Change Spinner DropDown width
body: <p>I need resize this part size to full display. How can i do this?</p>
  
  <p><img src="https://i.stack.imgur.com/drgyHl.png" alt="Example image"></p>
  
  <p>My adapter:</p>
  
  <pre class="lang-java prettyprint-override"><code>String[] navigations = getResources().getStringArray(R.array.actionBar);
          ArrayAdapter&lt;String&gt; adapter = new ArrayAdapter&lt;String&gt;(
                  getBaseContext(), R.layout.custom_spinner_title_bar,
                  android.R.id.text1, navigations);
          adapter.setDropDownViewResource(R.layout.custom_spinner_title_bar);
          actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
          actionBar.setListNavigationCallbacks(adapter, navigationListener);
  </code></pre>
  
  <p>custom_spinner_title_bar.xml:</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:id="@+id/RelativeLayout1"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:gravity="fill_horizontal"
      android:orientation="vertical" &gt;
  
      &lt;TextView
          xmlns:android="http://schemas.android.com/apk/res/android"
          android:id="@android:id/text1"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:gravity="center"
          android:padding="5dip"
          android:textAppearance="?android:attr/textAppearanceMedium"
          android:textColor="#FFFFFF" /&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>