e.html#onPackageInstall(int,%20org.opencv.android.InstallCallbackInterface)">onPackageInstall</a></strong>(int&nbsp;operation,
                <a href="../../../org/opencv/android/InstallCallbackInterface.html" title="interface in org.opencv.android">InstallCallbackInterface</a>&nbsp;callback)</code>
<div class="block">Callback method, called in case the package installation is needed.</div>
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