118 lines
4.2 KiB
Java
118 lines
4.2 KiB
Java
package com.xscm.modulemain.adapter;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.TextView;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import com.chad.library.adapter.base.BaseQuickAdapter;
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import com.chad.library.adapter.base.BaseViewHolder;
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import com.xscm.modulemain.R;
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import com.xscm.moduleutil.bean.RedPacketInfo;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* 红包的列表适配器
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*/
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public class RedBagAdapter extends BaseQuickAdapter<RedPacketInfo, BaseViewHolder> {
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private Map<Integer,View> viewMap;
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public RedBagAdapter() {
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super(R.layout.item_red_bag);
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viewMap=new ConcurrentHashMap<>();
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}
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@Override
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protected void convert(BaseViewHolder helper, RedPacketInfo item) {
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viewMap.put(helper.getLayoutPosition(),helper.itemView);
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ImageView iv_red_bag= helper.getView(R.id.iv_red_bag);
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if (item.getIs_qiang()==1){
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iv_red_bag.setImageResource(com.xscm.moduleutil.R.mipmap.red_bj_h);
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helper.setText(R.id.tv_djs, "已领取");
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}else {
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iv_red_bag.setImageResource(com.xscm.moduleutil.R.mipmap.red);
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if (item.getType()==2){
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helper.setVisible(R.id.im_list_bj,true);
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}else {
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helper.setVisible(R.id.im_list_bj,false);
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}
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// 显示倒计时
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if (item.getCountdown() > 0) {
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helper.setVisible(R.id.tv_djs, true);
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long minutes = item.getCountdown() / 60;
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long seconds = item.getCountdown() % 60;
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String timeFormat = String.format("%02d:%02d", minutes, seconds);
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helper.setText(R.id.tv_djs, timeFormat);
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} else {
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helper.setVisible(R.id.tv_djs, false);
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}
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}
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helper.setText(R.id.tv_user_name, item.getNickname());
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}
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/**
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* 更新指定位置的倒计时显示，不刷新整个item
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* @param position 列表位置
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* @param countdown 倒计时时间(秒)
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*/
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public void updateCountdown(int position, long countdown) {
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if (position >= 0 && position < getData().size()) {
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// 获取对应位置的item view
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View view = viewMap.get(position);
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if (view != null) {
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// 直接更新倒计时文本，不刷新整个item
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TextView tvDjs = view.findViewById(R.id.tv_djs);
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if (tvDjs != null) {
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// 格式化倒计时显示
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long minutes = countdown / 60;
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long seconds = countdown % 60;
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String timeFormat = String.format("%02d:%02d", minutes, seconds);
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tvDjs.setText(timeFormat);
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// 控制倒计时显示状态
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if (countdown > 0) {
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tvDjs.setVisibility(View.VISIBLE);
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} else {
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tvDjs.setVisibility(View.GONE);
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}
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}
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}
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}
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}
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/**
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* 根据位置获取item view
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* @param position 位置
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* @return item对应的view
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*/
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private View getViewByPosition(int position) {
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RecyclerView recyclerView = getRecyclerView();
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if (recyclerView != null) {
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RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
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if (layoutManager != null) {
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// 检查 position 是否在可见范围内
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if (layoutManager instanceof LinearLayoutManager) {
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LinearLayoutManager linearLayoutManager = (LinearLayoutManager) layoutManager;
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int firstVisiblePosition = linearLayoutManager.findFirstVisibleItemPosition();
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int lastVisiblePosition = linearLayoutManager.findLastVisibleItemPosition();
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// 确保 position 在可见范围内
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if (position >= firstVisiblePosition && position <= lastVisiblePosition) {
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return layoutManager.findViewByPosition(position);
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}
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}
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}
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}
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return null;
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}
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}
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