一个标准的RecyclerView模板
1 在view中初始化RecyclerView
@Bind(R.id.rv_huxiu)
RecyclerView rvData;
/* @描述 设置Adapter */
adapter = new BaseAdapter(getContext(),mDataList);
/* @描述 布局 */
LinearLayoutManager llManager=new LinearLayoutManager(getContext());
rvData.setLayoutManager(llManager);
/* @描述 设置间距 */
SpacesItemDecoration mDecoration = new SpacesItemDecoration(3);
/* @描述 添加间距 */
rvData.addItemDecoration(mDecoration);
/* @描述 设置基本动画 */
rvData.setItemAnimator(new DefaultItemAnimator());
/* @描述 rvNoteList */
rvData.setAdapter(adapter);
2.Adapter
2.1.RecyclerViewBaseAdapter
/*
*
* 描 述：
* 作 者：ksheng
* 时 间：
*/
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
import ViewHolder.RecyclerViewHolderBase;
/**
* 横向RecyclerView基类adapter
*
* @param <ItemDataType> 数据实体类型
* @author Robin
* time 2015-04-10 12:33:43
*/
public abstract class RecyclerViewBaseAdapter<ItemDataType> extends
RecyclerView.Adapter<RecyclerViewHolderBase> {
protected List<ItemDataType> mItemDataList = new ArrayList<ItemDataType>();
public void setmItemDataList(List<ItemDataType> mItemDataList) {
this.mItemDataList = mItemDataList;
}
public List<ItemDataType> getItemDataList() {
return mItemDataList;
}
public void setItemDataList(List<ItemDataType> itemDataList) {
mItemDataList = itemDataList;
}
public RecyclerViewBaseAdapter(List<ItemDataType> mItemDataList) {
this.mItemDataList = mItemDataList;
}
/**
* 动态增加一条数据
*
* @param itemDataType 数据实体类对象
*/
public void append(int position, ItemDataType itemDataType) {
if (itemDataType != null) {
mItemDataList.add(position+1,itemDataType);
notifyItemInserted(position + 1);
notifyItemRangeChanged(position + 1, mItemDataList.size());
}
}
/*
* @desc 设置点击事件
* @时间 2016/6/18 15:53
*/
public interface OnItemClickLitener {
void onItemClick(View view, int position);
void onItemLongClick(View view, int position);
}
protected OnItemClickLitener mOnItemClickLitener;
public void setOnItemClickLitener(OnItemClickLitener mOnItemClickLitener) {
this.mOnItemClickLitener = mOnItemClickLitener;
}
/**
* 动态增加一组数据集合
*
* @param itemDataTypes 数据实体类集合
*/
public void append(List<ItemDataType> itemDataTypes) {
if (itemDataTypes.size() > 0) {
for (ItemDataType itemDataType : itemDataTypes) {
mItemDataList.add(itemDataType);
}
notifyDataSetChanged();
}
}
/**
* 替换全部数据
*
* @param itemDataTypes 数据实体类集合
*/
public void replace(List<ItemDataType> itemDataTypes) {
mItemDataList.clear();
if (itemDataTypes.size() > 0) {
mItemDataList.addAll(itemDataTypes);
notifyDataSetChanged();
}
}
/**
* 移除一条数据集合
*
* @param position
*/
public void remove(int position) {
mItemDataList.remove(position);
notifyItemRemoved(position);
}
/**
* 移除一条ScheduleItem
*
* @param position
*/
public void removeScheduleItem(int position) {
if (position == mItemDataList.size()) {
notifyItemRemoved(position);
} else {
mItemDataList.remove(position);
notifyDataSetChanged();
}
}
/**
* 移除所有数据
*/
public void removeAll() {
mItemDataList.clear();
notifyDataSetChanged();
}
/*
* @方法 获取mItemDataList
*
*/
public List<ItemDataType> getItemList() {
return mItemDataList;
}
/*
* @方法 remove_pos
*
*/
public void removePosItem(int pos) {
mItemDataList.remove(pos);
}
/**
* 更新pos数据
*/
public void update(int pos) {
notifyItemChanged(pos);
}
@Override
public int getItemCount() {
return mItemDataList.size();
}
@Override
public void onBindViewHolder(final RecyclerViewHolderBase viewHolder, int i) {
showData(viewHolder, i, mItemDataList);
// 如果设置了回调，则设置点击事件
if (mOnItemClickLitener != null) {
viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int pos = viewHolder.getLayoutPosition();
mOnItemClickLitener.onItemClick(viewHolder.itemView, pos);
}
});
viewHolder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
int pos = viewHolder.getLayoutPosition();
mOnItemClickLitener.onItemLongClick(viewHolder.itemView, pos);
return false;
}
});
}
}
@Override
public RecyclerViewHolderBase onCreateViewHolder(ViewGroup viewGroup, int i) {
View view = createView(viewGroup, i);
RecyclerViewHolderBase holder = createViewHolder(view);
return holder;
}
/**
* 显示数据抽象函数
*
* @param viewHolder 基类ViewHolder,需要向下转型为对应的ViewHolder（example:MainRecyclerViewHolder mainRecyclerViewHolder=(MainRecyclerViewHolder) viewHolder;）
* @param i 位置
* @param mItemDataList 数据集合
*/
public abstract void showData(RecyclerViewHolderBase viewHolder, int i, List<ItemDataType> mItemDataList);
/**
* 加载item的view,直接返回加载的view即可
*
* @param viewGroup 如果需要Context,可以viewGroup.getContext()获取
* @param i
* @return item 的 view
*/
public abstract View createView(ViewGroup viewGroup, int i);
/**
* 加载一个ViewHolder,为RecyclerViewHolderBase子类,直接返回子类的对象即可
*
* @param view item 的view
* @return RecyclerViewHolderBase 基类ViewHolder
*/
public abstract RecyclerViewHolderBase createViewHolder(View view);
}
2.2 RecyclerViewHolderBase
/*
*
* 描 述：
* 作 者：ksheng
* 时 间：
*/
import android.support.v7.widget.RecyclerView;
import android.view.View;
/**
* RecyclerViewHolder基类
* @author Robin
*time 2015-04-10 11:43:49
*/
public abstract class RecyclerViewHolderBase extends RecyclerView.ViewHolder {
public RecyclerViewHolderBase(View itemView) {
super(itemView);
}
}
2.3 继承RecyclerViewBaseAdapter的具体Adapter
这里传入的是BaseBean，使用的viewHolder是HuxiuViewHolder
/*
*
* 描 述：
* 作 者：ksheng
* 时 间：2016/11/21$ 21:24$.
*/
public class BaseAdapter extends RecyclerViewBaseAdapter<BaseBean> {
private Context context;
private LayoutInflater inflater;
public BaseAdapter(Context context, List<BaseBean> mItemDataList) {
super(mItemDataList);
this.context = context;
inflater = LayoutInflater.from(context);
}
@Override
public void showData(RecyclerViewHolderBase viewHolder, int i, List<BaseBean> mItemDataList) {
//向下转型为子类
HuxiuViewHolder holder = (HuxiuViewHolder) viewHolder;
holder.tvItem.setText(mItemDataList.get(i).getTitle().replace("\uE40B"," ").replace("\uE40A"," "));
if (!TextUtils.isEmpty(mItemDataList.get(i).getImgSrc())) {
Glide.with(context)
.load(mItemDataList.get(i).getImgSrc())
.diskCacheStrategy(DiskCacheStrategy.ALL)
.into(holder.ivItem);
}
}
@Override
public View createView(ViewGroup viewGroup, int i) {
context = viewGroup.getContext();
//加载item的布局
View view = inflater.inflate(R.layout.item_information, viewGroup, false);
return view;
}
@Override
public RecyclerViewHolderBase createViewHolder(View view) {
//直接返回viewholder对象
return new HuxiuViewHolder(view);
}
}
2.4.继承BaseViewHolder的具体ViewHolder
viewHolder的具体实现
/*
*
* 描 述：
* 作 者：ksheng
* 时 间：2016/11/21$ 21:26$.
*/
public class HuxiuViewHolder extends RecyclerViewHolderBase{
@Bind(R.id.iv_item)
public ImageView ivItem;
@Bind(R.id.tv_item)
public TextView tvItem;
public HuxiuViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this,itemView);
}
}
完成.
3.ItemLayout
<?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:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:layout_marginLeft="5dp"
android:src="@mipmap/ic_launcher"
android:focusable="false"
android:focusableInTouchMode="false"
android:id="@id/iv_item"
android:scaleType="fitCenter"
android:layout_width="80dp"
android:layout_height="70dp" />
<TextView
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:gravity="center_vertical"
android:textSize="15dp"
android:text="内容"
android:focusable="false"
android:focusableInTouchMode="false"
android:id="@id/tv_item"
android:layout_width="match_parent"
android:layout_height="70dp"
/>
</LinearLayout>
<!--这是一根线-->
<ImageView
android:layout_marginRight="2dp"
android:layout_marginLeft="2dp"
android:layout_width="match_parent"
android:layout_height="0.1dp"
android:background="@color/colorPrimary"/>
</LinearLayout>
