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[Android] GridLayoutManager RecyclerView 구현 방법 본문

Android/AndroidStudio

[Android] GridLayoutManager RecyclerView 구현 방법

앱의노예 2023. 3. 30. 21:09

1. 개요

 

2. xml

RecyclerView를 담을 Layout를 작성한다

 

 

 

 

3. Adapter

public void setHorizontalGridView(RecyclerView recyclerView, String mode, int span_count) {

    if (mode.equals(AppConstants.PROFILE_DATA_MEDIA_ROW_TYPE_PHOTO)) {
        GridLayoutManager gridLayoutManager = new GridLayoutManager(HpmContext.getInstance(), span_count, LinearLayoutManager.HORIZONTAL, false);
        photo_adapter = new GridViewAdapterRV(AppConstants.PROFILE_DATA_MEDIA_ROW_TYPE_PHOTO);
        recyclerView.setAdapter(photo_adapter);
        recyclerView.setLayoutManager(gridLayoutManager);
    }
    else {
        GridLayoutManager gridLayoutManager = new GridLayoutManager(HpmContext.getInstance(), span_count, LinearLayoutManager.HORIZONTAL, false);
        movie_adapter = new GridViewAdapterRV(AppConstants.PROFILE_DATA_MEDIA_ROW_TYPE_MOVIE);
        recyclerView.setAdapter(movie_adapter);
        recyclerView.setLayoutManager(gridLayoutManager);
    }

}

 

 

  • onCreateViewHolder : 뷰홀더를 생성(레이아웃 생성)
  • onBindViewHolder : 뷰홀더가 재활용될 때 실행되는 메서드
  • getItemCount : 아이템 개수를 조회

 

4. ViewHolder

 

 

 

 

5. Main

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