title: Android: what is the inputType for username
body: <p>I have an edit text on my <code>xml</code> layout to allow the user to enter his username,like this:</p>
  
  <pre><code>&lt;EditText
                  android:id="@+id/etUsername"
                  android:layout_width="fill_parent"
                  android:layout_height="wrap_content"
                  android:inputType=""
                  /&gt;
  </code></pre>
  
  <p>which type of <code>inputType</code> should i use to make the user enter his username, the username contains just letters small letter and capital letter and numbers </p>