How to start an activity that is defined in other Android projects?
<p>I have defined some common Activities in a library project and want to reuse these activity in my working project.</p>

<p>I declared my library project as Android library, use the fully-qualified name of the Activities and declare them in the AndroidManifest.xml of the new project. However, I get 'Unable to find explicit activity class' error when launching the application.</p>

<p>Any other configurations shall I do in order to start the Activities?</p>
