dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a></code> - The underlying error.</dd>
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<h4>getTrackGroups</h4>
<pre class="methodSignature">public&nbsp;<a href="TrackGroupArray.html" title="class in com.google.android.exoplayer2.