Troubles getting up and running with GDK on Android Studio

Question

So I'm new to Glass and really want to build something on it. I downloaded one of the samples and the error that Android Studio is giving me when I try to Run is Error: Default Activity not found. Being extremely new to Android/Glass/Java development, any help would be greatly appreciated!

Articles Referenced:

• Android Studio || GDK 'hello word' || import com.google.android.glass.app.Card || Cannot Resolve Symbol 'google'
• Google Glass Android Studio Gradle issues
• gdk.jar library file download
• Android Studio Gradle Configuration with name 'default' not found
• Google Glass: GDK with Android Studio

Answer 1

For Glass there are no Default activities however for the development purposes you can temporary add a launcher activity that you suppose will be launched by a voice command. add this line for the main Activity in the Android Manifest

<category android:name="android.intent.category.LAUNCHER" />