Android Development--android library projects cannot be launched error

<span id="Label3"><p>The latest because of learning, ask technical friends to a few source code, import source code when the real machine or virtual machine Test.</p><p>Reason: Android Library projects cannot be launched</p><p>Baidu a bit, The solution is very simple answer</p> <ol class="exp-conent-orderlist"> <li class="exp-content-list list-item-1"><p>Click to run the Project right button appears properties</p></li> <li class="exp-content-list list-item-2"><p>Click Properties to enter</p><p></p></li> <li class="exp-content-list list-item-3"><p>Remove the check mark before the IS library</p></li> <li class="exp-content-list list-item-4"><p>Return to your project and right-click on the first Android application of Run as</p></li> <li class="exp-content-list list-item-5"><p>Choose a virtual machine or a real machine to run</p></li> <li class="exp-content-list list-item-6"><p>If it does, it works.</p></li> <li class="exp-content-list list-item-6"><p></p></li> </ol><p>Android Development--android library projects cannot be launched error</p></span>