在我的应用程序中,我使用recyclerview来显示所有联系人列表。我想要回收站的两个区。
像一个部分是我的应用程序联系人列表,第二部分是我的电话联系人列表。
像这样的
有什么方法可以做到吗?
有人知道怎么做吗?
发布于 2015-11-18 08:26:47
如果您已经有了RecyclerView
,那么使用Gabriele Mariotti的SimpleSectionedRecyclerViewAdapter是实现这些部分的一种简单方法。
我把他的例子粘贴给你:
//Your RecyclerView
mRecyclerView = (RecyclerView) findViewById(R.id.list);
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
mRecyclerView.addItemDecoration(new DividerItemDecoration(this,LinearLayoutManager.VERTICAL));
//Your RecyclerView.Adapter
mAdapter = new SimpleAdapter(this,sCheeseStrings);
//This is the code to provide a sectioned list
List<SimpleSectionedRecyclerViewAdapter.Section> sections =
new ArrayList<SimpleSectionedRecyclerViewAdapter.Section>();
//Sections
sections.add(new SimpleSectionedRecyclerViewAdapter.Section(0,"Section 1"));
sections.add(new SimpleSectionedRecyclerViewAdapter.Section(5,"Section 2"));
sections.add(new SimpleSectionedRecyclerViewAdapter.Section(12,"Section 3"));
sections.add(new SimpleSectionedRecyclerViewAdapter.Section(14,"Section 4"));
sections.add(new SimpleSectionedRecyclerViewAdapter.Section(20,"Section 5"));
//Add your adapter to the sectionAdapter
SimpleSectionedRecyclerViewAdapter.Section[] dummy = new SimpleSectionedRecyclerViewAdapter.Section[sections.size()];
SimpleSectionedRecyclerViewAdapter mSectionedAdapter = new
SimpleSectionedRecyclerViewAdapter(this,R.layout.section,R.id.section_text,mAdapter);
mSectionedAdapter.setSections(sections.toArray(dummy));
//Apply this adapter to the RecyclerView
mRecyclerView.setAdapter(mSectionedAdapter);
发布于 2016-04-26 01:03:18
如果您正在寻找一种不需要使用硬编码的标题/行索引的解决方案,您可以使用库SectionedRecyclerViewAdapter。
首先创建一个Section类来对项目进行分组:
class MySection extends StatelessSection {
String title;
List<String> list;
public MySection(String title, List<String> list) {
// call constructor with layout resources for this Section header, footer and items
super(R.layout.section_header, R.layout.section_item);
this.title = title;
this.list = list;
}
@Override
public int getContentItemsTotal() {
return list.size(); // number of items of this section
}
@Override
public RecyclerView.ViewHolder getItemViewHolder(View view) {
// return a custom instance of ViewHolder for the items of this section
return new MyItemViewHolder(view);
}
@Override
public void onBindItemViewHolder(RecyclerView.ViewHolder holder, int position) {
MyItemViewHolder itemHolder = (MyItemViewHolder) holder;
// bind your view here
itemHolder.tvItem.setText(list.get(position));
}
@Override
public RecyclerView.ViewHolder getHeaderViewHolder(View view) {
return new SimpleHeaderViewHolder(view);
}
@Override
public void onBindHeaderViewHolder(RecyclerView.ViewHolder holder) {
MyHeaderViewHolder headerHolder = (MyHeaderViewHolder) holder;
// bind your header view here
headerHolder.tvItem.setText(title);
}
public void addRow(String item) {
this.list.add(item);
}
}
然后使用您的部分设置RecyclerView:
// Create an instance of SectionedRecyclerViewAdapter
SectionedRecyclerViewAdapter sectionAdapter = new SectionedRecyclerViewAdapter();
// Create your sections with the list of data
MySection favoritesSection = new MySection("Favorites", favoritesList);
MySection contactsSection = new MySection("Add Favorites", contactsList);
// Add your Sections to the adapter
sectionAdapter.addSection(favoritesSection);
sectionAdapter.addSection(contactsSection);
// Set up your RecyclerView with the SectionedRecyclerViewAdapter
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerview);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
recyclerView.setAdapter(sectionAdapter);
您还可以在不重新计算索引的情况下将新行添加到节中:
favoritesSection.addRow("new item");
sectionAdapter.notifyDataSetChanged();
发布于 2016-12-23 14:22:25
让我尝试提出一个本机解决方案。
您必须有一个带有isFavourite标志的联系人的列表,如下所示
private class Contacts{
private String name;
private String phoneNumber;
private boolean isFavourite;
}
根据isFavourite和contactName like this对数组进行排序
将该列表传递给您的ContactRecyclerAdapter。并对标题和项目使用两种不同的布局
https://stackoverflow.com/questions/30752980
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