bstract
            
            
            
            
            <a href="../../../../reference/java/lang/CharSequence.html">CharSequence</a></nobr>
        </td>
        <td class="jd-linkcol" width="100%"><nobr>
        <span class="sympad"><a href="../../../../reference/android/text/InputFilter.html#filter(java.lang.CharSequence, int, int, android.text.Spanned, int, int)">filter</a></span>(<a href="../../../../reference/java/lang/CharSequence.html">CharSequence</a> source, int start, int end, <a h