[Android] RecyclerView란

 

 

 

 

 

1. RecyclerView란?

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https://developer.android.com/guide/topics/ui/layout/recyclerview?hl=ko 

RecyclerView로 동적 목록 만들기  |  Android 개발자  |  Android Developers

 

2. xml

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RecyclerView를 담을 Layout를 작성한다

 

 

 

 

3. Adapter

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

 

4. ViewHolder

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5. Main

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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);
    }

}