 {@link
    android.content.pm.PackageManager#hasSystemFeature(String)} with {@link
    android.content.pm.PackageManager#FEATURE_WIFI_RTT}:</p>
<pre>
    getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI_RTT)
</pre>

<p>For an example of this functionality, see
<a href="{@docRoot}guide/topics/connectivity/wifi-rtt" class="external">Wi-Fi location: ranging
with RTT</a>.</p>
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