/../../../com/atakmap/android/dropdown/DropDownReceiver.html#isVisible--"><code>DropDownReceiver.isVisible()</code></a></div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/atakmap/android/navigationstack/NavigationStackItem.html#onBackButton--">onBackButton</a></span>()</code>
<div class="block">Called when the device back button is pressed</div>
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<tr id="i13" class="rowColo