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My Android Coding Convention

Kotlin Coding Conventions

Kotlin style guide

Resource Naming Convention

Id

  • Pascal Case를 축약하여 Snake Case로 작성
  • <WHAT>_<DESCRIPTION>
  • ex) tv_login
View Naming
TextView tv_
ImageView iv_
EditText et
Button, ImageButton btn_
Toolbar tb_
ConstraintLayout cl_
LinearLayout ll_
BottomNavigationView bnv_

등등

Layout

  • <WHAT>_<DESCRIPTION>

  • ex) SignInActivity -> activity_sign_in

  • activity_

  • fragment_

  • dialog_ : 다이알로그 layout

  • view_ : CustomView에 쓰이는 layout

  • item_ : RecyclerView, GridView등에 쓰이는 item layout

  • layout_ : 에 들어가는 layout

Drawable

  • <WHAT>_<DESCRIPTION>
  • ex) ic_error
  • ic_ : 아이콘
  • bg_ : 백그라운드
  • img_ : 이미지
  • 모양_색깔_Radius : ex) rectangle_yellow_raius_20.xml

Menu

  • menu_ : tab, navigation 등에 쓰이는 메뉴 layout

Values

Color

<color name="purple_200">#FFBB86FC</color>
<color name="purple_500">#FF6200EE</color>
<color name="black">#FF000000</color>
<color name="white">#FFFFFFFF</color>

String

  • 주석을 통해 string 범위 구분하기
<!--Main Menu-->
<string name="menu_daily">하루의 기록</string>
<string name="menu_remind">평가 및 회고</string>
<string name="menu_my">My</string>

<!--탭,툴바 타이틀-->
<string name="title_search">검색</string>
<string name="title_settings">환경설정</string>
  • <WHERE>_<DESCRIPTION> : ex) menu_daily
  • 기타
    • msg_ : 다이알로그나 토스트에 쓰이는 텍스트
    • title_ : 탭, 툴바 타이틀

Style

  • Pascal Case
  • XXViewStyle : ex) LoginEditTextStyle, MainDialogStyle ..