• 实现RecycleView动态使列表item可以点击或不可点击切换


    效果

    这里讲的是第二个button跳转的Activity,这里和上一篇不同之处在于可以item点击、item子控件点击

    image

    继承BaseAdapter

    同样也要继承BaseAdapter

    public class ADUadapter extends BaseAdapter<ChatModel> {
        public Context context;
        protected ADUholder holder;
    
        public ADUadapter(Context context) {
            super();
            this.context = context;
        }
    
        @Override
        protected void setItemChildListener(BaseViewHolder viewHolder) {
            super.setItemChildListener(viewHolder);
            if (viewHolder instanceof ADUholder){
                ADUholder adUholder = (ADUholder) viewHolder;
                baseViewHolderHelper.setItemChildClickListener(adUholder.imageView);
            }
        }
    
        @Override
        protected BaseViewHolder addViewHolder(ViewGroup parent, int viewType) {
            View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_list, parent, false);
            return new ADUholder(view);
        }
    
        @Override
        protected void fillData(RecyclerView.ViewHolder holder, final int position, final ChatModel item) {
            this.holder = (ADUholder) holder;
            this.holder.title.setText(item.name);
            this.holder.name.setText(item.mMsg);
        }
    }

    重写setItemChildListener()

    这里可以实现item子控件的点击效果,我们仅仅需要baseViewHolderHelper.setItemChildClickListener(adUholder.imageView);这里的参数就是我们让该控件实现点击效果。

    在Activity中实现GIF中的效果

    实现item点击效果

    adUadapter.setOnItemClickListener(new BaseViewHolder.OnItemClickListener() {
                @Override
                public void onItemClick(View view, int position) {
                    Toast.makeText(UpdataItemActivity.this, "position: " + position, Toast.LENGTH_SHORT).show();
                }
            });

    实现item长按效果

    adUadapter.setOnLongItemClickListener(new BaseViewHolder.OnLongItemClickListener() {
                @Override
                public boolean onLongItemClick(View view, int position) {
                    String title = adUadapter.getItem(position).name;
                    Toast.makeText(UpdataItemActivity.this, title + ",position: " + position, Toast.LENGTH_SHORT).show();
                    return true;
                }
            });

    实现item子控件点击效果

    adUadapter.setOnChildItemClickListener(new BaseViewHolderHelper.OnChildItemClickListener() {
                @Override
                public void onChildItemClick(View view, int position) {
                    String title = adUadapter.getItem(position).name;
                    Toast.makeText(UpdataItemActivity.this, title + ",你点了图片,position: " + position, Toast.LENGTH_SHORT).show();
                }
            });

    实现item点击或不可点击切换

    rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
                @Override
                public void onCheckedChanged(RadioGroup radioGroup, int i) {
                    if (i == R.id.radioButton) {
                        adUadapter.getViewHolder().setItemable(true, true);
                    } else if (i == R.id.radioButton2) {
                        adUadapter.getViewHolder().setItemable(false, false);
                    }
                }
            });

    好了,在此附上github源码,喜欢的请start、fork。 https://github.com/DyncKathline/TestRecyclerView

    转载请注明出处,谢谢!

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  • 原文地址:https://www.cnblogs.com/xiongxuesong/p/5862828.html
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