title: AutoCompleteTextView doesn't work when I enter first character
body: <p>My AutoCompleteTextView doesn't work when I enter first character in textbox but starts showing dropdown when I enter second character. What could be the reason?</p>
  
  <pre><code>&lt;AutoCompleteTextView
      android:id="@+id/autocomplete_name"
      android:layout_width="wrap_content"
      android:layout_height="fill_parent"
      android:layout_weight="7"
      android:background="@drawable/edittextback"
      android:ems="10"
      android:textSize="15sp"
      android:hint="@string/codehint"
      android:textColorHint="@color/hintgrey"
      android:dropDownWidth="fill_parent"
      android:paddingRight="30dp"
      android:paddingLeft="10dp"
      android:singleLine="true"
      android:ellipsize="end"
  /&gt;
  </code></pre>