title: Allow special characters like (Turkish characters)
body: <p>I want to give <code>permission</code> my android app. on EditText allow turkish characters as ('ş','ğ','İ',ı).I try to add them in my <code>layout</code>:</p>
  
  <pre><code>&lt;EditText
  android:inputType="textFilter"
  android:digits="@string/myAlphaNumeric" /&gt;
  </code></pre>
  
  <p>And <code>string.xml</code>;</p>
  
  <pre><code>&lt;string name="myAlphaNumeric"&gt;abcçdefgğhıijklmnoöpqrsştuüvwxyzABCÇDEFGĞHIİJKLMNOÖPQRSŞTUÜVWXYZ0123456789&lt;/string&gt;
  </code></pre>
  
  <p>But did not work!!</p>
  
  <p>Also;
  <code>edtText.setText("şçüığŞÇÜİĞ")</code> is work.I can see on app screen.
  But I just enter that characters on screen nothing show. </p>