Custom RecyclerView Android

Đây là kết quả sau khi đã Custom

Class Adapter:

public class ListShopAdapter extends BaseRecyclerViewAdapter<RecyclerView.ViewHolder> {
    private static final int HEADER = 0;
    private static final int CONTENT = 1;
    private OnRecyclerViewItemClickListener<Object> mItemClickListener;
    private List<Shop> mShops;

    ListShopAdapter(@NonNull Context context, List<Shop> shops) {
        super(context);
        mShops = new ArrayList<>();
        mShops.addAll(shops);
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        switch (viewType) {
            case HEADER:
                ItemHeaderShopBinding itemHeaderShopBinding =
                        DataBindingUtil.inflate(LayoutInflater.from(parent.getContext()),
                                R.layout.item_header_shop, parent, false);
                return new HeaderViewHolder(itemHeaderShopBinding, mItemClickListener);
            case CONTENT:
                ItemListShopBinding itemListShopBinding =
                        DataBindingUtil.inflate(LayoutInflater.from(parent.getContext()),
                                R.layout.item_list_shop, parent, false);
                return new ContentViewHolder(itemListShopBinding, mItemClickListener);
            default:
                break;
        }
        return null;
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        switch (getItemViewType(position)) {
            case HEADER:
                HeaderViewHolder headerViewHolder = (HeaderViewHolder) holder;
                headerViewHolder.bind(mShops.get(position));
                break;
            case CONTENT:
                ContentViewHolder contentViewHolder = (ContentViewHolder) holder;
                contentViewHolder.bind(mShops.get(position));
                break;
        }
    }

    @Override
    public int getItemCount() {
        return mShops.size();
    }

    void setItemClickListener(OnRecyclerViewItemClickListener<Object> itemClickListener) {
        mItemClickListener = itemClickListener;
    }

    @Override
    public int getItemViewType(int position) {
        return position == 0 ? HEADER : CONTENT;
    }

    void updateData(List<Shop> shops) {
        if (shops == null) {
            return;
        }
        mShops.clear();
        mShops.addAll(shops);
        notifyDataSetChanged();
    }

    static class HeaderViewHolder extends RecyclerView.ViewHolder {
        private ItemHeaderShopBinding mBinding;
        private OnRecyclerViewItemClickListener<Object> mItemClickListener;

        HeaderViewHolder(ItemHeaderShopBinding binding,
                BaseRecyclerViewAdapter.OnRecyclerViewItemClickListener<Object> listener) {
            super(binding.getRoot());
            mBinding = binding;
            mItemClickListener = listener;
        }

        void bind(Shop shop) {
            mBinding.setViewModel(new ItemShopViewModel(shop, mItemClickListener));
            mBinding.executePendingBindings();
        }
    }

    static class ContentViewHolder extends RecyclerView.ViewHolder {
        private ItemListShopBinding mBinding;
        private OnRecyclerViewItemClickListener<Object> mItemClickListener;

        ContentViewHolder(ItemListShopBinding binding,
                BaseRecyclerViewAdapter.OnRecyclerViewItemClickListener<Object> listener) {
            super(binding.getRoot());
            mBinding = binding;
            mItemClickListener = listener;
        }

        void bind(Shop shop) {
            mBinding.setViewModel(new ItemShopViewModel(shop, mItemClickListener));
            mBinding.executePendingBindings();
        }
    }
}

Header Item layout:

<android.support.v7.widget.CardView
        android:layout_awidth="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="@dimen/dp_2"
        android:foreground="?android:attr/selectableItemBackground"
        android:onClick="@{()-> viewModel.onItemClicked()}"
        >

        <LinearLayout
            android:layout_awidth="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            >

            <FrameLayout
                android:id="@+id/frame_layout"
                android:layout_awidth="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:orientation="vertical"
                >

                <ImageView
                    android:layout_awidth="match_parent"
                    android:layout_height="@dimen/dp_200"
                    android:adjustViewBounds="true"
                    android:scaleType="centerCrop"
                    app:imageUrl="@{viewModel.shopImage}"
                    />

                <LinearLayout
                    android:layout_awidth="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom"
                    android:background="@color/color_black_transparent"
                    android:orientation="vertical"
                    >

                    <TextView
                        android:layout_awidth="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_gravity="bottom"
                        android:maxLines="1"
                        android:text="@{viewModel.shopName}"
                        android:textColor="@android:color/white"
                        android:textSize="@dimen/sp_30"
                        />

                    <LinearLayout
                        android:layout_awidth="match_parent"
                        android:layout_height="wrap_content"
                        android:orientation="horizontal"
                        >

                        <TextView
                            android:layout_awidth="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_gravity="bottom"
                            android:text="Rating: "
                            android:textColor="@android:color/white"
                            android:textSize="@dimen/sp_20"
                            />

                        <RatingBar
                            android:layout_awidth="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_gravity="center_vertical"
                            android:progressTint="@color/colorAccent"
                            android:rating="@{viewModel.rating}"
                            style="?android:attr/ratingBarStyleSmall"
                            />

                        <TextView
                            android:layout_awidth="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_gravity="bottom"
                            android:text=" | "
                            android:textColor="@android:color/white"
                            android:textSize="@dimen/sp_20"
                            />

                        <TextView
                            android:layout_awidth="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_gravity="bottom"
                            android:text="@string/description"
                            android:textColor="@android:color/white"
                            android:textSize="@dimen/sp_20"
                            />

                        <TextView
                            android:layout_awidth="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_gravity="bottom"
                            android:maxLines="1"
                            android:text="@{viewModel.description}"
                            android:textColor="@color/colorAccent"
                            android:textSize="@dimen/sp_20"
                            />

                    </LinearLayout>
                </LinearLayout>
            </FrameLayout>
        </LinearLayout>
    </android.support.v7.widget.CardView>

Content item layout

<android.support.v7.widget.CardView
      android:layout_awidth="match_parent"
      android:layout_height="wrap_content"
      android:layout_margin="@dimen/dp_2"
      android:foreground="?android:attr/selectableItemBackground"
      android:onClick="@{()-> viewModel.onItemClicked()}"
      >

      <LinearLayout
          android:layout_awidth="match_parent"
          android:layout_height="wrap_content"
          android:layout_below="@+id/frame_layout"
          android:layout_margin="@dimen/dp_2"
          android:orientation="horizontal"
          >

          <ImageView
              android:layout_awidth="@dimen/dp_100"
              android:layout_height="match_parent"
              android:scaleType="centerCrop"
              app:imageUrl="@{viewModel.shopImage}"
              />

          <LinearLayout
              android:layout_awidth="match_parent"
              android:layout_height="wrap_content"
              android:layout_marginLeft="@dimen/dp_10"
              android:gravity="center"
              android:orientation="vertical"
              >

              <LinearLayout
                  android:layout_awidth="match_parent"
                  android:layout_height="wrap_content"
                  >

                  <TextView
                      android:layout_awidth="wrap_content"
                      android:layout_height="wrap_content"
                      android:text="@string/shop_name"
                      />

                  <TextView
                      android:layout_awidth="match_parent"
                      android:layout_height="wrap_content"
                      android:text="@{viewModel.shopName}"
                      android:textColor="@color/colorAccent"
                      android:textSize="@dimen/sp_18"
                      />

              </LinearLayout>

              <LinearLayout
                  android:layout_awidth="match_parent"
                  android:layout_height="wrap_content"
                  >

                  <TextView
                      android:layout_awidth="wrap_content"
                      android:layout_height="wrap_content"
                      android:text="@string/owner"
                      />

                  <TextView
                      android:layout_awidth="match_parent"
                      android:layout_height="wrap_content"
                      android:text="@{viewModel.owner}"
                      android:textColor="@android:color/holo_blue_dark"
                      android:textSize="@dimen/sp_15"
                      />

              </LinearLayout>

              <LinearLayout
                  android:layout_awidth="match_parent"
                  android:layout_height="wrap_content"
                  >

                  <TextView
                      android:layout_awidth="wrap_content"
                      android:layout_height="wrap_content"
                      android:text="@string/product_quantity"
                      />

                  <TextView
                      android:layout_awidth="match_parent"
                      android:layout_height="wrap_content"
                      android:textColor="@android:color/holo_red_dark"
                      />

              </LinearLayout>

              <LinearLayout
                  android:layout_awidth="match_parent"
                  android:layout_height="wrap_content"
                  >

                  <TextView
                      android:layout_awidth="wrap_content"
                      android:layout_height="wrap_content"
                      android:text="@string/description"
                      />

                  <TextView
                      android:layout_awidth="match_parent"
                      android:layout_height="wrap_content"
                      android:ellipsize="end"
                      android:maxLines="2"
                      android:text="@{viewModel.description}"
                      android:textColor="@android:color/black"
                      android:textStyle="italic"
                      />

              </LinearLayout>

              <LinearLayout
                  android:layout_awidth="match_parent"
                  android:layout_height="wrap_content"
                  >

                  <TextView
                      android:layout_awidth="wrap_content"
                      android:layout_height="wrap_content"
                      android:text="@string/rating"
                      />

                  <RatingBar
                      android:layout_awidth="wrap_content"
                      android:layout_height="wrap_content"
                      android:layout_gravity="left"
                      android:progressTint="@color/colorAccent"
                      android:rating="@{viewModel.rating}"
                      style="?android:attr/ratingBarStyleSmall"
                      />

              </LinearLayout>
          </LinearLayout>
      </LinearLayout>
  </android.support.v7.widget.CardView>

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