listView里面嵌套viewPage

最新推荐文章于 2022-09-12 00:18:54 发布

原创最新推荐文章于 2022-09-12 00:18:54 发布 · 740 阅读

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CC 4.0 BY-SA版权

文章标签：

#listview #viewpager #android

这篇博客展示了如何在Android应用中实现ListView内部嵌套ViewPager的效果。通过自定义MyViewPager类并重写dispatchTouchEvent方法，确保了ListView和ViewPager滑动事件的正确处理。在MainActivity中，创建了一个包含多个相同布局的ViewPager，并为ListView设置了一个适配器，当ListView的第一个位置时显示ViewPager。

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效果如图所示：

重写ViewPage:

package com.example.viewlist;

import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;

public class MyViewPager extends ViewPager {

int mLastMotionY;
int mLastMotionX;

public MyViewPager(Context context) {
super(context);
}

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

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
getParent().requestDisallowInterceptTouchEvent(true); //为了区分viewpage和listview的滑动事件
return super.dispatchTouchEvent(ev);
}
}

测试的Activity：

package com.example.viewlist;

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

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.LayoutParams;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity extends Activity {
private ViewPager viewPage;
private ListView listView;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) findViewById(R.id.listView);

System.out.println("ddd");
listView.setAdapter(new MyListViewAdapter());

}

public View getVIew() {
//viewPage = (ViewPager) findViewById(R.id.viewPage);
viewPage=new MyViewPager(this);
AbsListView.LayoutParams lp = new AbsListView.LayoutParams(LayoutParams.FILL_PARENT, 200);
viewPage.setLayoutParams(lp);
View view = LayoutInflater.from(getApplicationContext()).inflate(
R.layout.hello, null);
View view1 = LayoutInflater.from(getApplicationContext()).inflate(
R.layout.hello, null);
View view2 = LayoutInflater.from(getApplicationContext()).inflate(
R.layout.hello, null);

List<View> list = new ArrayList<View>();
list.add(view);
list.add(view1);
list.add(view2);
viewPage.setAdapter(new MyPagerAdapter(list));
viewPage.setVisibility(1);
return viewPage;
}

private class MyPagerAdapter extends PagerAdapter {

private List<View> listViews;

public MyPagerAdapter(List<View> views) {
this.listViews = views;
}

@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView(listViews.get(position));// 删除页卡
}

@Override
public Object instantiateItem(ViewGroup container, int position) {// 这个方法用来实例化页卡
container.addView(listViews.get(position));// 添加页卡
return listViews.get(position);
}

@Override
public int getCount() {
return listViews.size();// 返回页卡的数量
}

@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;// 官方提示这样写
}
}

private class MyListViewAdapter extends BaseAdapter {
private int[] drawable = new int[] { R.drawable.ic_launcher,
R.drawable.ic_launcher, R.drawable.ic_launcher,
R.drawable.ic_launcher, R.drawable.ic_launcher,
R.drawable.ic_launcher, R.drawable.ic_launcher,
R.drawable.ic_launcher, R.drawable.ic_launcher,
R.drawable.ic_launcher };
private String[] name = new String[] { "默认列表", "我的收藏", "歌手", "专辑",
"默认列表", "我的收藏", "歌手", "专辑","歌手", "专辑" };

@Override
public int getCount() {
return 11;
}

@Override
public Object getItem(int arg0) {
return null;
}

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

@Override
public View getView(final int position, View convertView,
ViewGroup parent) {
if (position == 0) {
System.out.println("___"+0);
return getVIew();
}else{
/*else{
return LayoutInflater.from(getApplicationContext()).inflate(
R.layout.hello, null);
}*/
ViewHolder holder;
if (convertView == null || position == 1) {
holder = new ViewHolder();
convertView = View.inflate(getApplication(),
R.layout.main_gridview_item, null);
holder.iv = (ImageView) convertView
.findViewById(R.id.gridview_item_iv);
holder.nameTv = (TextView) convertView
.findViewById(R.id.gridview_item_name);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
System.out.println("POSITONST" + position);
holder.iv.setImageResource(drawable[position - 1]);
holder.nameTv.setText(name[position - 1]);
return convertView;
}
}
private class ViewHolder {
ImageView iv;
TextView nameTv;
}
}

}

activty_main.xml文件：

hello.xml文件：

main_gridview_item.xml文件：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="6.0dip" >

<ImageView android:id="@+id/gridview_item_iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher"
/>

<TextView android:id="@+id/gridview_item_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/gridview_item_iv"
android:layout_marginTop="6.0dip"
android:layout_marginLeft="10.0dip"
android:text="我的音乐"/>

</RelativeLayout>