I'm kind of a noob at programming for the Android OS. I noticed in the books I have been reading that the authors have placed a "dot" in front of the activity name when registering their activities in the manifest. I've looked around the Android developer site and I can't figure out why we need the "dot". Does the "dot" actually server a purpose? Do I need it? I have included an example below. Notice the "dot" before "NewActivity":
<activity android:name=".NewActivity"></activity>
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