XRecyclerView实现下拉刷新、滚动到底部加载更多等功能
介绍:
一个实现了下拉刷新,滚动到底部加载更多以及添加header功能的的RecyclerView。使用方式和RecyclerView完全一致,不需要额外的layout,不需要写特殊的adater。 加载效果内置了AVLoadingIndicatorView上的所有效果,可以根据需要指定。
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项目地址:https://github.com/jianghejie/XRecyclerView
效果:

使用:
xml
2.MainActivity
package com.example.xrecyclerview;
import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import com.jcodecraeer.xrecyclerview.ProgressStyle;
import com.jcodecraeer.xrecyclerview.XRecyclerView;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
private XRecyclerView mRecyclerView;
private MyAdapter mAdapter;
private ArrayList listData;
private int refreshTime = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mRecyclerView = (XRecyclerView)this.findViewById(R.id.recyclerview);
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(layoutManager);
mRecyclerView.setRefreshProgressStyle(ProgressStyle.BallSpinFadeLoader);
mRecyclerView.setLaodingMoreProgressStyle(ProgressStyle.Pacman);
mRecyclerView.setArrowImageView(R.drawable.iconfont_downgrey);
View header = LayoutInflater.from(this).inflate(R.layout.recyclerview_header, (ViewGroup)findViewById(android.R.id.content),false);
mRecyclerView.addHeaderView(header);
mRecyclerView.setLoadingListener(new XRecyclerView.LoadingListener() {
@Override
public void onRefresh() {
refreshTime ++;
new Handler().postDelayed(new Runnable(){
public void run() {
listData.clear();
for(int i = 0; i < 15 ;i++){
listData.add("item" + i + "after " + refreshTime + " times of refresh");
}
mAdapter.notifyDataSetChanged();
mRecyclerView.refreshComplete();
}
}, 3000); //refresh data here
}
@Override
public void onLoadMore() {
new Handler().postDelayed(new Runnable(){
public void run() {
for(int i = 0; i < 15 ;i++){
listData.add("item" + (i + listData.size()) );
}
mAdapter.notifyDataSetChanged();
mRecyclerView.loadMoreComplete();
}
}, 3000);
}
});
listData = new ArrayList();
mAdapter = new MyAdapter(listData);
for(int i = 0; i < 15 ;i++){
listData.add("item" + i);
}
mRecyclerView.setAdapter(mAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
3. adapter
package com.example.xrecyclerview; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import java.util.ArrayList; /** * Created by jianghejie on 15/11/26. */ public class MyAdapter extends RecyclerView.Adapter{ public ArrayList datas = null; public MyAdapter(ArrayList datas) { this.datas = datas; } //创建新View,被LayoutManager所调用 @Override public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) { View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item,viewGroup,false); ViewHolder vh = new ViewHolder(view); return vh; } //将数据与界面进行绑定的操作 @Override public void onBindViewHolder(ViewHolder viewHolder, int position) { viewHolder.mTextView.setText(datas.get(position)); } //获取数据的数量 @Override public int getItemCount() { return datas.size(); } //自定义的ViewHolder,持有每个Item的的所有界面元素 public static class ViewHolder extends RecyclerView.ViewHolder { public TextView mTextView; public ViewHolder(View view){ super(view); mTextView = (TextView) view.findViewById(R.id.text); } }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持创新互联。
当前名称:XRecyclerView实现下拉刷新、滚动到底部加载更多等功能
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