为了实现这种效果，一开始我想到的办法是ilistVew中加上一个footerview，footerview里面嵌套一个listview，但是实际操作之后发现footerview里的listview只显示一项，这个问题困扰了半天，一直没有找到合适的解决办法，直到昨天晚上偶然看到一篇博文介绍说，scrollview里嵌套listview也出现了同样的问题，解决办法是动态设置listview的高度，于是我用这种方法也试了试，结果还真解决了。
MainActivity.java
package com.example.test2listview;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.MarginLayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
private ListView listView;
private ListView headlistView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListViewAdapter adapter = new ListViewAdapter(getApplicationContext());
ListViewAdapter2 adapter2 = new ListViewAdapter2(
getApplicationContext());
listView = (ListView) findViewById(R.id.listView);
View v = this.getLayoutInflater().inflate(R.layout.footerview, null);
headlistView = (ListView) v.findViewById(R.id.head_listView);
headlistView.setAdapter(adapter2);
setListViewHeightBasedOnChildren(headlistView);
listView.addFooterView(v);
listView.setAdapter(adapter);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Toast.makeText(getApplicationContext(), arg3 + "",
Toast.LENGTH_SHORT).show();
}
});
headlistView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Toast.makeText(getApplicationContext(), arg3 + "====",
Toast.LENGTH_SHORT).show();
}
});
}
/**
* 动态设置listview的高度
* @param listView
*/
public void setListViewHeightBasedOnChildren(ListView listView) {
ListAdapter adapter = listView.getAdapter();
if(adapter != null) {
int totalHeight = 0;
for(int i=0; i<adapter.getCount(); i++) {
View listItem = adapter.getView(i, null, listView);
listItem.measure(0, 0);
totalHeight += listItem.getMeasuredHeight();
}
ViewGroup.LayoutParams params = listView.getLayoutParams();
params.height = totalHeight + (listView.getDividerHeight() * (adapter.getCount() - 1));
((MarginLayoutParams) params).setMargins(0, 0, 0, 0);
listView.setLayoutParams(params);
System.out.println(params.height + "===" + adapter.getCount());
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
private class ListViewAdapter extends BaseAdapter {
private LayoutInflater inflater;
public ListViewAdapter(Context context) {
inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return 5;
}
@Override
public Object getItem(int arg0) {
return arg0;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.list_item, null);
}
TextView txt = (TextView) convertView.findViewById(R.id.text);
txt.setText("第" + getItem(position) + "个item");
return convertView;
}
}
private class ListViewAdapter2 extends BaseAdapter {
private LayoutInflater inflater;
public ListViewAdapter2(Context context) {
inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return 10;
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.list_item, null);
}
TextView txt = (TextView) convertView.findViewById(R.id.text);
txt.setText("第" + getItem(position) + "个item");
return convertView;
}
}
}
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<ListView
android:id="@+id/listView"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</ListView>
</RelativeLayout>
footerview.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/linearlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="分隔标识=================" />
</LinearLayout>
<ListView
android:id="@+id/head_listView"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</ListView>
</LinearLayout>
list_item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="@+id/text"
android:drawableTop="@drawable/ic_launcher"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="test"/>
</LinearLayout>
程序运行效果图：
【Android】一个activity中垂直排列两个listview
时间： 2024-08-13 21:37:46