progress was made, meaning that <a href="MediaPeriod.html#getNextLoadPositionUs()"><code>MediaPeriod.getNextLoadPositionUs()</code></a> will return a
     different value than prior to the call. False otherwise.</dd>
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<h4>isLoading</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isLoading()</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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