<category android:name="string" />
<intent-filter>android:nameIntent class as CATEGORY_name
constants. The name assigned here can be derived from those constants
by prefixing "android.intent.category." to the
name that follows CATEGORY_. For example,
the string value for CATEGORY_LAUNCHER is
"android.intent.category.LAUNCHER".
Custom categories should use the package name as a prefix, to ensure that they are unique.
커스텀 카테고리는 그것의 유일함을 보장하기 위해 접두어로 패키지 이름을 사용해야 한다.
<action>
<data>