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PODynamically position right corner arrow of the ActionBar Spinner based on length of displayed title
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  1. PODynamically position right corner arrow of the ActionBar Spinner based on length of displayed title
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    copied!<p>In the Google+ App, the position of the right corner arrow of the <code>ActionBar</code> <code>Spinner</code> adapts to the length of the current string showing. For example, the Spinner's length seems shorter when <em>Family</em> is picked versus when <em>Acquaintances</em> is picked.</p> <p>What do I have to do to get the right corner arrow to position dynamically based on the title's length? My guess is that there's an attribute I can set in <em>styles.xml</em> that will do that for me.</p> <p>Here's my styles.xml:</p> <pre><code>&lt;style name="MyStyle" parent="android:style/Theme.Holo"&gt; &lt;item name="android:actionDropDownStyle"&gt;@style/MyDropDownNav&lt;/item&gt; &lt;/style&gt; &lt;style name="MyDropDownNav" parent="android:style/Widget.Holo.Spinner"&gt; &lt;item name="android:AttributeHere"&gt;AttributeValue&lt;/item&gt; &lt;/style&gt; </code></pre> <p>Here's the code I have in my MainActivity.java:</p> <pre><code>ActionBar actionBar = getActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); // Specify a SpinnerAdapter to populate the dropdown list. SpinnerAdapter dataAdapter = new ArrayAdapter&lt;String&gt;( actionBar.getThemedContext(), android.R.layout.simple_list_item_1, android.R.id.text1, new String[] { "AAAAAAAAAAAAAAA", "BB" }); // Set up the dropdown list navigation in the action bar. actionBar.setListNavigationCallbacks(dataAdapter, this); </code></pre> <p>Unlike in Google+, the position of my right corner arrow is always fixed. So if I choose from "AAAAAAAAAAAAAAA" to "BB" from the dropdown, the arrow doesn't move at all.</p>
 

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