eference/java/lang/CharSequence.html">CharSequence</a>
      </span>
      <span class="sympad">filter</span>
      <span class="normal">(<a href="../../../reference/java/lang/CharSequence.html">CharSequence</a> source, int start, int end, <a href="../../../reference/android/text/Spanned.html">Spanned</a> dest, int dstart, int dend)</span>
    </h4>
      <div class="api-level">
        <div>
  Added in <a href="../../../guide/topics/manifest/uses-sdk-element.html#ApiLevels">API level 1</a></div>
        
 