ListView嵌套ListView时子ListView中的item显示不全

本文提供了一种解决子ListView高度自适应问题的方法,通过在设置adapter后调用特定方法,实现ListView根据其子项数量自动调整高度。适用于Android开发中ListView布局优化。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

在子ListView设置adapter后调用下面方法即可解决。
public static void setListViewHeightBasedOnChildren(ListView listView) {
        ListAdapter listAdapter = listView.getAdapter();
        if (listAdapter == null) {
            return;
        }
        int totalHeight = 0;
        for (int i = 0; i < listAdapter.getCount(); i++) {
            View listItem = listAdapter.getView(i, null, listView);
            listItem.measure(0, 0);
            totalHeight += listItem.getMeasuredHeight();
        }
        ViewGroup.LayoutParams params = listView.getLayoutParams();
        params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
        listView.setLayoutParams(params);
    }
仿某团list嵌套list\ package com.zl.listview; import java.util.ArrayList; import java.util.HashMap; import com.kjy.kjylistview.R; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView; import android.widget.Toast; /** * @author zl * @time 2014年12月24日15:37:18 */ public class QianTaoListviewActivity extends Activity { private ListView listView; private ArrayList<HashMap<String, Object>> parentList, childList; private ParentAdapter parentAdapter; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_qiantao); init(); } private void init() { listView = (ListView) findViewById(R.id.qiantao_lv); getList(); } private void getList() { parentList = new ArrayList<HashMap<String, Object>>(); for (int i = 1; i < 10; i++) { childList = new ArrayList<HashMap<String, Object>>(); for (int j = i < 7 ? i : 7; j < 9; j++) { HashMap<String, Object> ParentMap = new HashMap<String, Object>(); ParentMap.put("parent_title", "三木铁板烧" + i); ParentMap.put("parent_address", "8." + i); ParentMap.put("parent_distance", "1" + i); ParentMap.put("parent_distance1", "已售123" + i); childList.add(ParentMap); } HashMap<String, Object> map = new HashMap<String, Object>(); map.put("child_item_title", "九州八拖二火锅" + i); map.put("child_item_price_old", "4." + i + "分"); map.put("child_item_price_score", "(100人)"); map.put("parent_lv", childList); parentList.add(map); } parentAdapter = new ParentAdapter(parentList, QianTaoListviewActivity.this); listView.setAdapter(parentAdapter); listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { Intent intent = new Intent(QianTaoListviewActivity.this, Activity_1.class); Toast.makeText(QianTaoListviewActivity.this, "第" + arg2 + "个条目", Toast.LENGTH_LONG).show(); startActivity(intent); } }); } }
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值