public class SimpleStringAdapter extends RecyclerView.Adapter<SimpleStringAdapter.ViewHolder> {
private View.OnClickListener onItemViewClickListener = null;
private ArrayList<File> fileArray = null;
public static class ViewHolder extends RecyclerView.ViewHolder {
public final ImageView imageView;
public ViewHolder(View v) {
super(v);
imageView = (ImageView) v.findViewById(R.id.imageView);
}
}
public SimpleStringAdapter(ArrayList<File> fileArray) {
this.fileArray = fileArray;
}
/**
* 클릭 리스너를 설정한다
* @param onItemViewClickListener
*/
public void setOnItemViewClickListener(View.OnClickListener onItemViewClickListener) {
this.onItemViewClickListener = onItemViewClickListener;
}
/**
* 새로운 ViewHolder를 작성한다
* LayoutManager에서 호출
* @param parent
* @param viewType
* @return
*/
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_row, parent,false);
if (onItemViewClickListener != null) {
v.setOnClickListener(onItemViewClickListener);
}
ViewHolder vh = new ViewHolder(v);
return vh;
}
/**
* View 안의 데이터를 변경한다
* LayoutManager에서 호출
* @param holder
* @param position
*/
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
Bitmap bitmap = BitmapFactory.decodeFile(fileArray.get(position).getPath());
holder.imageView.setImageBitmap(bitmap);
}
/**
* 데이터 수를 반환한다
* LayoutManager에서 호출
* @return
*/
@Override
public int getItemCount() {
return fileArray.size();
}
}
