RecycleView如何实现各种尺寸图片展示

2023-06-15 07:06:15 103人浏览独家记忆

摘要

这篇文章主要介绍RecycleView如何实现各种尺寸图片展示，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！今天才发现，在一个RecycleView里可以展示各种尺寸的图片，贴图如下：代码如下：package&nbs

这篇文章主要介绍RecycleView如何实现各种尺寸图片展示，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

今天才发现，在一个RecycleView里可以展示各种尺寸的图片，贴图如下：

RecycleView如何实现各种尺寸图片展示

代码如下：

package com.hisense.movienow.HorizontalView; import Android.content.Context;import android.content.Intent;import android.net.Uri;import android.support.annotation.NonNull;import android.support.v4.view.ViewCompat;import android.support.v7.widget.RecyclerView;import android.util.Log;  import java.util.List;  public class SimpleRecyclerAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {    private static final String TAG = SimpleRecyclerAdapter.class.getSimpleName();    private LayoutInflater mInflater;    private List<VideoCateContent> mListOfApps;    private int currentPosition = 0;    private Context context;    public static enum ITEM_TYPE {        ITEM_TYPE_MOVIE,        ITEM_TYPE_APP,        ITEM_TYPE_CHANNEL    }    List<MovieCateGory> movieCategories;     public SimpleRecyclerAdapter(Context context, List<VideoCateContent> mListOfApps){        mInflater = LayoutInflater.from(context);        this.context = context;        this.mListOfApps = mListOfApps;    }    public SimpleRecyclerAdapter(Context context, List<VideoCateContent> mListOfApps,List<MovieCategory> movieCategories){        mInflater = LayoutInflater.from(context);        this.context = context;        this.mListOfApps = mListOfApps;        this.movieCategories = movieCategories;    }      @SuppressWarnings("unused")    public void setData(List<VideoCateContent> mListOfApps){        this.mListOfApps = mListOfApps;    }     @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        if(viewType == ITEM_TYPE.ITEM_TYPE_MOVIE.ordinal()){            return new ViewHolder(mInflater.inflate(R.layout.movie_item_layout,parent,false));        }else if(viewType == ITEM_TYPE.ITEM_TYPE_CHANNEL.ordinal()){            return new ChanneHolder(mInflater.inflate(R.layout.search_channel_item,parent,false));        }else{            return new AppViewHolder(mInflater.inflate(R.layout.home_app_item,parent,false));        }    }     public int getItemViewType(int position){        if(mListOfApps != null){            if(mListOfApps.get(position).getType() != null && mListOfApps.get(position).getType().equalsIgnoreCase("app")){                return ITEM_TYPE.ITEM_TYPE_APP.ordinal();            }else if(mListOfApps.get(position).getType() != null && mListOfApps.get(position).getType().equals("Channel")){                return ITEM_TYPE.ITEM_TYPE_CHANNEL.ordinal();            }else {                return ITEM_TYPE.ITEM_TYPE_MOVIE.ordinal();            }        }else{            return ITEM_TYPE.ITEM_TYPE_MOVIE.ordinal();        }    }      @Override    public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int position) {        final VideoCateContent videoCateContent = mListOfApps.get(position);        if(holder instanceof ViewHolder){            Glide.with(context).load(videoCateContent.getPoster()).into(((ViewHolder)holder).mImageView);            ((ViewHolder)holder).mTextView.setText(videoCateContent.getTitle());            ViewGroup.LayoutParams params = ((ViewHolder)holder).mImageView.getLayoutParams();            ViewGroup.LayoutParams txtParams = ((ViewHolder)holder).mTextView.getLayoutParams();            if(videoCateContent.getPoster_type() == 0){//竖海报                params.width = 166;                txtParams.width = 166;            }else{                params.width = 444;                txtParams.width = 444;//                RecyclerView.ItemDecoration itemDecoration = ((RecyclerView)holder.itemView.getParent()).getItemDecorationAt(position);             }            if(videoCateContent.getIs_new() == 1){                ((ViewHolder)holder).newImage.setVisibility(View.VISIBLE);            }else{                ((ViewHolder)holder).newImage.setVisibility(View.GONE);            }             ((ViewHolder)holder).mImageView.setLayoutParams(params);            ((ViewHolder)holder).mTextView.setLayoutParams(txtParams);            holder.itemView.setOnFocusChangeListener(new View.OnFocusChangeListener() {                @Override                public void onFocusChange(View v, boolean hasFocus) {                    if (hasFocus) {                        currentPosition = (int) holder.itemView.getTag();                        ViewCompat.animate(holder.itemView).scaleX(1.10f).scaleY(1.10f).start();                         int bigPostion = 0;                        if(movieCategories != null && movieCategories.size() != 0){                            bigPostion = getCurrentIndex();                        }                        mOnItemSelectListener.onItemSelect(holder.itemView, position,bigPostion);                        ((ViewHolder)holder).mImageView.setBorderColor(context.getResources().getColor(R.color.white),context.getResources().getColor(R.color.black),context.getResources().getColor(R.color.app_text_color));                        ((ViewHolder)holder).mTextView.setSelected(true);                        ((ViewHolder)holder).mTextView.setTextColor(context.getResources().getColor(R.color.white));                        ((ViewHolder)holder).newImage.setPadding(3,3,0,0);                     } else {                        int bigPostion = 0;                        if(movieCategories != null && movieCategories.size() != 0){                            bigPostion = getCurrentIndex();                        }                        mOnItemNoSelectListener.onItemNoSelect(holder.itemView,position,bigPostion);                        ViewCompat.animate(holder.itemView).scaleX(1.0f).scaleY(1.0f).start();                        ((ViewHolder)holder).mImageView.setBorderColor(context.getResources().getColor(R.color.trans),context.getResources().getColor(R.color.trans),context.getResources().getColor(R.color.trans));                        ((ViewHolder)holder).mTextView.setSelected(false);                        ((ViewHolder)holder).mTextView.setTextColor(context.getResources().getColor(R.color.title_color));                        ((ViewHolder)holder).newImage.setPadding(0,0,0,0);                    }                }            });         }else if(holder instanceof AppViewHolder){            Glide.with(context).load(videoCateContent.getPoster()).into(((AppViewHolder)holder).mAppImageView);            ((AppViewHolder)holder).tv_appName.setText(videoCateContent.getTitle());            holder.itemView.setOnFocusChangeListener(new View.OnFocusChangeListener() {                @Override                public void onFocusChange(View v, boolean hasFocus) {                    if (hasFocus) {                        currentPosition = (int) holder.itemView.getTag();                        ViewCompat.animate(holder.itemView).scaleX(1.10f).scaleY(1.10f).start();                                               int bigPostion = 0;                        if(movieCategories != null && movieCategories.size() != 0){                            bigPostion = getCurrentIndex();                        }                        mOnItemSelectListener.onItemSelect(holder.itemView, position,bigPostion);                        ((AppViewHolder)holder).tv_appName.setVisibility(View.VISIBLE);                        ((AppViewHolder)holder).mAppImageView.setBorderColor(context.getResources().getColor(R.color.white),context.getResources().getColor(R.color.black),context.getResources().getColor(R.color.app_text_color));                    } else {                        int bigPostion = 0;                        if(movieCategories != null && movieCategories.size() != 0){                            bigPostion = getCurrentIndex();                        }                        mOnItemNoSelectListener.onItemNoSelect(holder.itemView,position,bigPostion);                        ViewCompat.animate(holder.itemView).scaleX(1.0f).scaleY(1.0f).start();                        ((AppViewHolder)holder).tv_appName.setVisibility(View.GONE);                        ((AppViewHolder)holder).mAppImageView.setBorderColor(context.getResources().getColor(R.color.trans),context.getResources().getColor(R.color.trans),context.getResources().getColor(R.color.trans));                    }                }            });        }else if(holder instanceof ChanneHolder){            Glide.with(context).load(videoCateContent.getPoster()).into(((ChanneHolder)holder).mChannelImg);            ((ChanneHolder)holder).tv_channelName.setText(videoCateContent.getTitle());            holder.itemView.setOnFocusChangeListener(new View.OnFocusChangeListener() {                @Override                public void onFocusChange(View v, boolean hasFocus) {                    if (hasFocus) {                        currentPosition = (int) holder.itemView.getTag();                        ViewCompat.animate(holder.itemView).scaleX(1.10f).scaleY(1.10f).start();                                             int bigPostion = 0;                        if(movieCategories != null && movieCategories.size() != 0){                            bigPostion = getCurrentIndex();                        }                        mOnItemSelectListener.onItemSelect(holder.itemView, position,bigPostion);                        ((ChanneHolder)holder).tv_channelName.setSelected(true);                        ((ChanneHolder)holder).mChannelImg.setBorderColor(context.getResources().getColor(R.color.white),context.getResources().getColor(R.color.black),context.getResources().getColor(R.color.app_text_color));                    } else {                        int bigPostion = 0;                        if(movieCategories != null && movieCategories.size() != 0){                            bigPostion = getCurrentIndex();                        }                        mOnItemNoSelectListener.onItemNoSelect(holder.itemView,position,bigPostion);                        ViewCompat.animate(holder.itemView).scaleX(1.0f).scaleY(1.0f).start();                        ((ChanneHolder)holder).tv_channelName.setSelected(false);                        ((ChanneHolder)holder).mChannelImg.setBorderColor(context.getResources().getColor(R.color.trans),context.getResources().getColor(R.color.trans),context.getResources().getColor(R.color.trans));                    }                }            });        }           // 设置itemView可以获得焦点        holder.itemView.setFocusable(true);        holder.itemView.setTag(position);          holder.itemView.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                if(!CommonUtils.getInstance(context).isNetworkConnected()){                    Toast.makeText(context,context.getResources().getString(R.string.no_net),Toast.LENGTH_SHORT).show();                    return;                }                mOnItemClickListener.onItemClick(v, position);                if(videoCateContent.getHas_detail_page() == 1){                    Intent intent = new Intent(context,DetailActivity.class);                    intent.putExtra("media_id",videoCateContent.getId());                    context.startActivity(intent);                }else if(videoCateContent.getType().equalsIgnoreCase(context.getString(R.string.App))){                     String pkgName = getPackageName(videoCateContent.getTitle());                    if(pkgName != null){                        Log.e(TAG,"pkgName======="+pkgName);//                        if(CommonUtils.getInstance(context).isInstalled(context,pkgName)){                            CommonUtils.getInstance(context).openApp((MainActivity)context,pkgName);//                        }                    }else{                        String searchStr = videoCateContent.getTitle();                        Intent intent= new Intent(Intent.ACTION_VIEW);                        intent.setData(Uri.parse("market://search?q="+searchStr));                        context.startActivity(intent);                    }                 }else{                    if(!CommonUtils.getInstance(context).isNetworkConnected()){                        Toast.makeText(context,context.getResources().getString(R.string.no_net),Toast.LENGTH_SHORT).show();                        return;                    }                    HistoryBean historyBean = new HistoryBean();                    historyBean.setWatchTime(System.currentTimeMillis());                    historyBean.setVideoInfo(videoCateContent);                    for(int i = 0; i< Constant.historyBeanList.size(); i++){                        HistoryBean bean = Constant.historyBeanList.get(i);                        if(bean.getVideoInfo().getId() == historyBean.getVideoInfo().getId()){                            Constant.historyBeanList.remove(bean);                        }                        if(Constant.historyBeanList.size() >49){                            if(i > 48){                                Constant.historyBeanList.remove(i);                            }                        }                    }                    Constant.historyBeanList.add(0,historyBean);                    SaveValue.getInstance(context).setDataList("history",Constant.historyBeanList);                     Log.e(TAG,"deep_linking="+videoCateContent.getDeep_linking());                     String deepLinking = videoCateContent.getDeep_linking();                    if(deepLinking.contains("youtube")){                        final String packageName = getPackageName("youtube");                        if(!CommonUtils.getInstance(context).isInstalled(context,packageName)){                            DialogHelper.getBaseDialogWithTextAndTitle("",context,"",new View.OnClickListener(){                                @Override                                public void onClick(View v) {                                    Intent searchIntent= new Intent(Intent.ACTION_VIEW);                                    searchIntent.setData(Uri.parse("market://search?q="+packageName));                                    context.startActivity(searchIntent);                                }                            },new View.OnClickListener(){                                 @Override                                public void onClick(View v) {                                 }                            } ).show();                            return;                        }                        String[] param = deepLinking.split("&");                        Intent WEBIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https:/    public String getPackageName(String title){        Log.e(TAG,"title="+title.substring(0,4));        for(int i=0;i<Constant.packageNames.length;i++){            String packageName = Constant.packageNames[i];            if(packageName.contains(title.substring(0,4).toLowerCase())){                return packageName;            }        }        return null;    }     @Override    public int getItemCount() {        return mListOfApps.size();    }     class ViewHolder extends RecyclerView.ViewHolder{        LinearLayout ll_movieItem;        BoundsImageView mImageView;        TextView mTextView;        ImageView newImage;         ViewHolder(View itemView) {            super(itemView);            mImageView = itemView.findViewById(R.id.movie_image);            mTextView = itemView.findViewById(R.id.movie_title);            newImage = itemView.findViewById(R.id.iv_newFlag);        }    }     class AppViewHolder extends RecyclerView.ViewHolder{        BoundsImageView mAppImageView;        TextView tv_appName;        AppViewHolder(View itemView) {            super(itemView);            mAppImageView = itemView.findViewById(R.id.iv_app);            tv_appName = itemView.findViewById(R.id.tv_appName);        }    }     class ChanneHolder extends RecyclerView.ViewHolder{        BoundsImageView mChannelImg;        TextView tv_channelName;         public ChanneHolder(View itemView) {            super(itemView);            mChannelImg = itemView.findViewById(R.id.iv_channel);            tv_channelName = itemView.findViewById(R.id.tv_channelName);        }    }     private OnItemSelectListener mOnItemSelectListener;    private OnItemClickListener mOnItemClickListener;    private OnItemLonGClickListener mOnItemLongClickListener;    private OnItemKeyListener mOnItemKeyListener;    private OnItemNoSelectListener mOnItemNoSelectListener;     public interface OnItemSelectListener {        void onItemSelect(View view, int position,int bigPosition);    }     public interface OnItemClickListener {        void onItemClick(View view, int position);    }     public interface OnItemLongClickListener {        void onItemLongClick(View view, int position);    }     public interface OnItemKeyListener {        void OnItemKey(View view, int keyCode, KeyEvent event, int position);    }     public interface OnItemNoSelectListener {        void onItemNoSelect(View view, int position,int bigPosition);    }    public void setOnItemNoSelectListener(OnItemNoSelectListener listener){        mOnItemNoSelectListener = listener;    }     public void setOnItemSelectListener(OnItemSelectListener listener){        mOnItemSelectListener = listener;    }     public void setOnItemClickListener(OnItemClickListener mOnItemClickListener) {        this.mOnItemClickListener = mOnItemClickListener;    }     public void setOnItemLongClickListener(OnItemLongClickListener mOnItemLongClickListener) {        this.mOnItemLongClickListener = mOnItemLongClickListener;    }     public void setOnItemKeyListener(OnItemKeyListener mOnItemKeyListener) {        this.mOnItemKeyListener = mOnItemKeyListener;    }     public int getCurrentIndex(){        for(int i=0;i<movieCategories.size();i++){            MovieCategory movieCategory = movieCategories.get(i);            if(movieCategory.getMovieItemList().equals(mListOfApps)){                return i;            }        }        return 0;    } }

另外一种显示方式：

RecycleView如何实现各种尺寸图片展示