瀑布流

最新推荐文章于 2025-06-19 16:32:36 发布

u013628092

最新推荐文章于 2025-06-19 16:32:36 发布

阅读量87

点赞数

CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/u013628092/article/details/89341448

本文介绍了一个基于RecyclerView的StillsAdapter实现，用于展示电影详情页面中的海报图片。使用了StaggeredGridLayoutManager布局管理器，实现了动态高度的item布局，并通过SimpleDraweeView加载图片。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

 StaggeredGridLayoutManager staggeredGridLayoutManager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
        stills_pp_rv.setLayoutManager(staggeredGridLayoutManager);

Adapter

package com.bw.movie.adapter;

import android.content.Context;
import android.net.Uri;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.bw.movie.R;
import com.bw.movie.bean.DetailsJson;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

public class StillsAdapter extends RecyclerView.Adapter<StillsAdapter.ViewHolder> {


    private DetailsJson xiangBean;
    private Context mContext;
    private static List<Integer> heights;

    public StillsAdapter(DetailsJson xiangBean, Context mContext) {
        this.xiangBean = xiangBean;
        this.mContext = mContext;
        getRandomHeight(this.xiangBean);
    }
    private void getRandomHeight(DetailsJson lists) {//得到随机item的高度
        heights = new ArrayList<>();
        for (int i = 0; i < lists.getResult().getPosterList().size(); i++) {
            heights.add((int) (300 + Math.random() * 400));
        }
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(mContext).inflate(R.layout.iteam_still, parent, false);
        ViewHolder viewHolder = new ViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, final int position) {
        //ViewGroup.LayoutParams params =  holder.itemView.getLayoutParams();//得到item的LayoutParams布局参数
        ViewGroup.LayoutParams layoutParams = holder.itemView.getLayoutParams();
        layoutParams.height = heights.get(position);//把随机的高度赋予itemView布局
        holder.itemView.setLayoutParams(layoutParams);//把params设置给itemView布局
        Uri parse = Uri.parse(xiangBean.getResult().getPosterList().get(position));
        holder.itemFragRecommendImage.setImageURI(parse);
    }

    @Override
    public int getItemCount() {
        int ret = 0;
        if (xiangBean != null) {
            ret = xiangBean.getResult().getPosterList().size();
        }
        return ret;
    }

    public static class ViewHolder extends RecyclerView.ViewHolder {
        @BindView(R.id.stil_img)
        SimpleDraweeView itemFragRecommendImage;
        public ViewHolder(View itemView) {
            super(itemView);
            ButterKnife.bind(this,itemView);
        }

    }
}