将 ViewPager 作为一行放置在 ListView 中 [英] Placing ViewPager as a row in ListView
问题描述
我尝试将 ViewPager 用作 ListView 中的一行,但出现了奇怪的行为 - 只有第一行有效,但是当我滚动列表时它消失了.当我滚动一个空行时,突然正在查看上面的行.Android 似乎创建了一个寻呼机并将其用于所有行.
这是我启动应用程序时看到的:
这是我的行布局:
<View style="@style/DividerHorizontalStyle"/></LinearLayout>
这是我的列表适配器:
public class MyFriendsAdapter extends BaseAdapter 实现 OnClickListener {私有 ArrayListmItems;私有上下文 mContext;私有 FragmentManager mFragmentManager;公共 MyFriendsAdapter(上下文上下文,ArrayList 项,FragmentManager fragmentManager){mContext = 上下文;mItems = 物品;mFragmentManager = fragmentManager;}@覆盖公共 int getCount() {返回 mItems.size();}@覆盖公共对象 getItem(int position) {返回 mItems.get(position);}@覆盖public long getItemId(int position) {返回位置;}@覆盖public View getView(int position, View currentView, ViewGroup viewGroup) {持有人持有人= null;if (currentView == null) {currentView = View.inflate(mContext, R.layout.view_list_item_myfriends, null);持有人 = 新持有人();holder.textViewUserName = (TextView) currentView.findViewById(R.id.textViewFriendName);holder.mMyFriendspager = (ViewPager) currentView.findViewById(R.id.pagerMyFriendHabits);currentView.setTag(holder);} 别的 {持有人 = (持有人) currentView.getTag();}holder.textViewUserName.setText(mItems.get(position).getmName());MyFriendPagerAdapter tempMyFriendPagerAdapter = new MyFriendPagerAdapter(mFragmentManager, mItems.get(position).getFriendHabits());holder.mMyFriendspager.setAdapter(tempMyFriendPagerAdapter);返回当前视图;}类持有人{TextView textViewUserName;ViewPager mMyFriendspager;}}
这是我的寻呼机适配器:
public class MyFriendPagerAdapter extends FragmentPagerAdapter {私有 ArrayList习惯;public MyFriendPagerAdapter(FragmentManager fm,ArrayList习惯){超级(调频);mHabits = 习惯;}@覆盖公共片段 getItem(int index) {返回新 FragmentMyFriendPage(mHabits.get(index));}@覆盖公共 int getCount() {返回 mHabits.size();}}
每当需要动态添加寻呼机时,都需要使用 ViewPager.setId()
为每个寻呼机设置 ID.>
I try to use ViewPager as a row ins ListView but a get a bizarre behaviuor - Only the first row works, but when I scroll the list it disappears. When I scroll an empty row, suddenly the row above is being viewed. It seems like Android creates a single pager and use it for all rows.
This is what I see when I launch the app:
This is my row layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/white"
android:orientation="vertical"
android:paddingBottom="2dp" >
<TextView
android:id="@+id/textViewFriendName"
style="@style/TextStyle"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/myFriendsBg"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="TextView" />
<View style="@style/DividerHorizontalStyle_gray" />
<android.support.v4.view.ViewPager
android:id="@+id/pagerMyFriendHabits"
android:layout_width="match_parent"
android:layout_height="@dimen/DefaultImageHeight" />
<View style="@style/DividerHorizontalStyle" />
</LinearLayout>
This is my List adapter:
public class MyFriendsAdapter extends BaseAdapter implements OnClickListener {
private ArrayList<UiD_UserFriend> mItems;
private Context mContext;
private FragmentManager mFragmentManager;
public MyFriendsAdapter(Context context, ArrayList<UiD_UserFriend> items, FragmentManager fragmentManager) {
mContext = context;
mItems = items;
mFragmentManager = fragmentManager;
}
@Override
public int getCount() {
return mItems.size();
}
@Override
public Object getItem(int position) {
return mItems.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View currentView, ViewGroup viewGroup) {
Holder holder = null;
if (currentView == null) {
currentView = View.inflate(mContext, R.layout.view_list_item_myfriends, null);
holder = new Holder();
holder.textViewUserName = (TextView) currentView.findViewById(R.id.textViewFriendName);
holder.mMyFriendspager = (ViewPager) currentView.findViewById(R.id.pagerMyFriendHabits);
currentView.setTag(holder);
} else {
holder = (Holder) currentView.getTag();
}
holder.textViewUserName.setText(mItems.get(position).getmName());
MyFriendPagerAdapter tempMyFriendPagerAdapter = new MyFriendPagerAdapter(mFragmentManager, mItems.get(position).getFriendHabits());
holder.mMyFriendspager.setAdapter(tempMyFriendPagerAdapter);
return currentView;
}
class Holder {
TextView textViewUserName;
ViewPager mMyFriendspager;
}
}
This is my pager adapter:
public class MyFriendPagerAdapter extends FragmentPagerAdapter {
private ArrayList<UiD_Habit> mHabits;
public MyFriendPagerAdapter(FragmentManager fm, ArrayList<UiD_Habit> habits) {
super(fm);
mHabits = habits;
}
@Override
public Fragment getItem(int index) {
return new FragmentMyFriendPage(mHabits.get(index));
}
@Override
public int getCount() {
return mHabits.size();
}
}
Whenever you need to dynamically add pagers, you need to set an ID for each pager using ViewPager.setId()
.
这篇关于将 ViewPager 作为一行放置在 ListView 中的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!