<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/recycler_view_test_item_person_view"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="15dp"
android:background="#aabbcc"
>
<TextView
android:id="@+id/recycler_view_test_item_person_name_tv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="18sp"
android:background="#ccbbaa"
/>
<TextView
android:id="@+id/recycler_view_test_item_person_age_tv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingLeft="5dp"
android:background="#aaccbb"
android:textSize="15sp"
/>
</LinearLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view_test_rv"
android:scrollbars="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#bbccaa"
/>
recyclerView.setHasFixedSize(true);
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(context);
recyclerView.setLayoutManager(layoutManager);
initData();
adapter = new PersonAdapter(personList);
adapter.setOnRecyclerViewListener(this);
recyclerView.setAdapter(adapter);
package com.wangjie.helloandroid.sample.recycler.person;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.wangjie.androidbucket.log.Logger;
import com.wangjie.helloandroid.R;
import java.util.List;
public class PersonAdapter extends RecyclerView.Adapter {
public static interface OnRecyclerViewListener {
void onItemClick(int position);
boolean onItemLongClick(int position);
}
private OnRecyclerViewListener onRecyclerViewListener;
public void setOnRecyclerViewListener(OnRecyclerViewListener onRecyclerViewListener) {
this.onRecyclerViewListener = onRecyclerViewListener;
}
private static final String TAG = PersonAdapter.class.getSimpleName();
private List<Person> list;
public PersonAdapter(List<Person> list) {
this.list = list;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
Logger.d(TAG, "onCreateViewHolder, i: " + i);
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.recycler_view_test_item_person, null);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
view.setLayoutParams(lp);
return new PersonViewHolder(view);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i) {
Logger.d(TAG, "onBindViewHolder, i: " + i + ", viewHolder: " + viewHolder);
PersonViewHolder holder = (PersonViewHolder) viewHolder;
holder.position = i;
Person person = list.get(i);
holder.nameTv.setText(person.getName());
holder.ageTv.setText(person.getAge() + "岁");
}
@Override
public int getItemCount() {
return list.size();
}
class PersonViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener
{
public View rootView;
public TextView nameTv;
public TextView ageTv;
public int position;
public PersonViewHolder(View itemView) {
super(itemView);
nameTv = (TextView) itemView.findViewById(R.id.recycler_view_test_item_person_name_tv);
ageTv = (TextView) itemView.findViewById(R.id.recycler_view_test_item_person_age_tv);
rootView = itemView.findViewById(R.id.recycler_view_test_item_person_view);
rootView.setOnClickListener(this);
rootView.setOnLongClickListener(this);
}
@Override
public void onClick(View v) {
if (null != onRecyclerViewListener) {
onRecyclerViewListener.onItemClick(position);
}
}
@Override
public boolean onLongClick(View v) {
if(null != onRecyclerViewListener){
return onRecyclerViewListener.onItemLongClick(position);
}
return false;
}
}
}
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i)
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i)
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if(null == convertView){
holder = new ViewHolder();
LayoutInflater mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = mInflater.inflate(R.layout.item, null);
holder.btn = (Button) convertView.findViewById(R.id.btn);
holder.tv = (TextView) convertView.findViewById(R.id.tv);
holder.iv = (TextView) convertView.findViewById(R.id.iv);
convertView.setTag(holder);
}else{
holder = (ViewHolder) convertView.getTag();
}
final HashMap<String, Object> map = list.get(position);
holder.iv.setImageResource(Integer.valueOf(map.get("iv").toString()));
holder.tv.setText(map.get("tv").toString());
holder.btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, map.get("btn").toString(), Toast.LENGTH_SHORT).show();
}
});
return convertView;
}
class ViewHolder{
Button btn;
ImageView iv;
TextView tv;
}
public final void notifyDataSetChanged()
public final void notifyItemChanged(int position)
public final void notifyItemRangeChanged(int positionStart, int itemCount)
public final void notifyItemInserted(int position)
public final void notifyItemMoved(int fromPosition, int toPosition)
public final void notifyItemRangeInserted(int positionStart, int itemCount)
public final void notifyItemRemoved(int position)
public final void notifyItemRangeRemoved(int positionStart, int itemCount)
Person person = new Person(i, "WangJie_" + i, 10 + i); adapter.notifyItemInserted(2); personList.add(2, person); adapter.notifyItemRangeChanged(2, adapter.getItemCount());
adapter.notifyItemRemoved(position); personList.remove(position); adapter.notifyItemRangeChanged(position, adapter.getItemCount());
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