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<h4>onPackageInstall</h4>
<pre>void&nbsp;onPackageInstall(int&nbsp;operation,
                    <a href="../../../org/opencv/android/InstallCallbackInterface.html" title="interface in org.opencv.android">InstallCallbackInterface</a>&nbsp;callback)</pre>
<div class="block">Callback method, called in case the package installation is needed.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>callback</code> - answer object wi