ScrollView 中内嵌ListView使用方法

四种方案解决ScrollView嵌套ListView问题

activity_main.xml

<RelativeLayout xmlns:android=""
    xmlns: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" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/hello_world" />

        <ScrollView
            android:id="@+id/scrollView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical" >

                <com.lwb.scroll_listview.ListViewForScrollView
                    android:id="@+id/listView"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content" >
                </com.lwb.scroll_listview.ListViewForScrollView>

                <ImageView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:src="@drawable/ic_launcher" />
            </LinearLayout>
        </ScrollView>
    </LinearLayout>
</RelativeLayout>

item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=""
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal" >
    <ImageView
        android:id="@+id/img"
        android:layout_width="71dp"
        android:layout_height="71dp"
        android:src="@drawable/ic_launcher" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical" ><TextView
            android:id="@+id/title"
            android:layout_width="242dp"
            android:layout_height="wrap_content"
            android:text="222"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/info"
            android:layout_width="match_parent"
            android:layout_height="47dp"
            android:text="11" />
</LinearLayout>

</LinearLayout>

MainActivity.java

package com.lwb.scroll_listview;

import java.util.ArrayList;
import java.util.List;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnCreateContextMenuListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;

@SuppressLint("ParserError")
public class MainActivity extends Activity {
    ListViewForScrollView listView; // 声明一个ListView对象
    private List<info> mlistInfo = new ArrayList<info>(); // 声明一个list，动态存储要显示的信息

    private ScrollView scrollView = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        listView = (ListViewForScrollView) this.findViewById(R.id.listView); // 将listView与布局对象关联

        setInfo(); // 给信息赋值函数，用来测试

        listView.setAdapter(new ListViewAdapter(mlistInfo));

        // 处理Item的点击事件
        listView.setOnItemClickListener(new OnItemClickListener() {
            public void onItemClick(AdapterView<?> parent, View view,
                    int position, long id) {
                info getObject = mlistInfo.get(position); // 通过position获取所点击的对象
                int infoId = getObject.getId(); // 获取信息id
                String infoTitle = getObject.getTitle(); // 获取信息标题
                String infoDetails = getObject.getDetails(); // 获取信息详情

                // Toast显示测试
                Toast.makeText(MainActivity.this, "信息ID:" + infoId,
                        Toast.LENGTH_SHORT).show();
            }
        });

        // 长按菜单显示
        listView.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {
            public void onCreateContextMenu(ContextMenu conMenu, View view,
                    ContextMenuInfo info) {
                conMenu.setHeaderTitle("菜单");
                conMenu.add(0, 0, 0, "条目一");
                conMenu.add(0, 1, 1, "条目二");
                conMenu.add(0, 2, 2, "条目三");
            }
        });

        scrollView = (ScrollView) findViewById(R.id.scrollView);
        scrollView.smoothScrollTo(0, 0);
    }

    // 长按菜单处理函数
    public boolean onContextItemSelected(MenuItem aItem) {
        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) aItem
                .getMenuInfo();
        switch (aItem.getItemId()) {
        case 0:
            Toast.makeText(MainActivity.this, "你点击了条目一", Toast.LENGTH_SHORT)
                    .show();
            return true;
        case 1:
            Toast.makeText(MainActivity.this, "你点击了条目二", Toast.LENGTH_SHORT)
                    .show();

            return true;
        case 2:
            Toast.makeText(MainActivity.this, "你点击了条目三", Toast.LENGTH_SHORT)
                    .show();
            return true;
        }
        return false;
    }

    public class ListViewAdapter extends BaseAdapter {
        View[] itemViews;

        public ListViewAdapter(List<info> mlistInfo) {
            // TODO Auto-generated constructor stub
            itemViews = new View[mlistInfo.size()];
            for (int i = 0; i < mlistInfo.size(); i++) {
                info getInfo = (info) mlistInfo.get(i); // 获取第i个对象
                // 调用makeItemView，实例化一个Item
                itemViews[i] = makeItemView(getInfo.getTitle(),
                        getInfo.getDetails(), getInfo.getAvatar());
            }
        }

        public int getCount() {
            return itemViews.length;
        }

        public View getItem(int position) {
            return itemViews[position];
        }

        public long getItemId(int position) {
            return position;
        }

        // 绘制Item的函数
        private View makeItemView(String strTitle, String strText, int resId) {
            LayoutInflater inflater = (LayoutInflater) MainActivity.this
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

            // 使用View的对象itemView与R.layout.item关联
            View itemView = inflater.inflate(R.layout.item, null);

            // 通过findViewById()方法实例R.layout.item内各组件
            TextView title = (TextView) itemView.findViewById(R.id.title);
            title.setText(strTitle); // 填入相应的值
            TextView text = (TextView) itemView.findViewById(R.id.info);
            text.setText(strText);
            ImageView image = (ImageView) itemView.findViewById(R.id.img);
            image.setImageResource(resId);

            return itemView;
        }

        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null)
                return itemViews[position];
            return convertView;
        }
    }

    public void setInfo() {
        mlistInfo.clear();
        int i = 0;
        while (i < 10) {
            info information = new info();
            information.setId(1000 + i);
            information.setTitle("标题" + i);
            information.setDetails("详细信息" + i);
            information.setAvatar(R.drawable.ic_launcher);

            mlistInfo.add(information); // 将新的info对象加入到信息列表中
            i++;
        }
    }
}

ListViewForScrollView .java

package com.lwb.scroll_listview;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ListView;

public class ListViewForScrollView extends ListView {
    public ListViewForScrollView(Context context) {
        super(context);
    }

    public ListViewForScrollView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public ListViewForScrollView(Context context, AttributeSet attrs,
            int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    /**
     * 重写该方法，达到使ListView适应ScrollView的效果
     */
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,
                MeasureSpec.AT_MOST);
        super.onMeasure(widthMeasureSpec, expandSpec);
    }
}