[Android] No Launcher activity found!

Error : No Launcher activity found!

최초 시작할 액티비티를 바꿀 때, Manifest에 이하의 태그를 추가해 줌.

  <activity android:name=".CameraActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

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

            </intent-filter>

</activity>