MaterialRefreshLayout 实现刷新加载更多
github 地址：https://github.com/android-cjj/Android-MaterialRefreshLayout
使用：
1.添加依赖
dependencies {
compile 'com.cjj.materialrefeshlayout:library:1.3.0'
}
2.在xml
代码：
布局：
activity:
packagecom.cmcc.recycleviewtest;
importandroid.os.Bundle;
importandroid.os.Handler;
importandroid.support.v7.app.AppCompatActivity;
importandroid.support.v7.widget.LinearLayoutManager;
importandroid.support.v7.widget.RecyclerView;
importandroid.util.Log;
importandroid.view.View;
importandroid.widget.Toast;
importcom.cjj.MaterialRefreshLayout;
importcom.cjj.MaterialRefreshListener;
importjava.util.ArrayList;
importjava.util.List;
public classMainActivityextendsAppCompatActivityimplementsMyAdapter.OnItemlickListenner {
RecyclerViewmRecyclerView;
Listdata;
MaterialRefreshLayoutmRefreshLayout;
private static final intSTATE_NORMAL=0;
private static final intSTATE_REFRESH=1;
private static final intSTATE_MOREE=3;
private intstate=STATE_NORMAL;
privateMyAdaptermyAdapter;
@Override
protected voidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getData(30);
initRecycleView();
initRefresh();
}
private voidinitRefresh() {
mRefreshLayout= (MaterialRefreshLayout) findViewById(R.id.refresh);
mRefreshLayout.setMaterialRefreshListener(newMaterialRefreshListener() {
@Override
public voidonRefresh(MaterialRefreshLayout materialRefreshLayout) {
//下拉刷新
newHandler().postDelayed(newRunnable() {
@Override
public voidrun() {
getData(100);
myAdapter.clearData();
myAdapter.addData(data);
mRecyclerView.scrollToPosition(0);
mRefreshLayout.finishRefresh();
}
},3000);
}
@Override
public voidonRefreshLoadMore(MaterialRefreshLayout materialRefreshLayout) {
//加载更多
newHandler().postDelayed(newRunnable() {
@Override
public voidrun() {
getData(200);
myAdapter.addData(myAdapter.getData().size(),data);
mRecyclerView.scrollToPosition(myAdapter.getData().size());
mRefreshLayout.finishRefreshLoadMore();
}
},3000);
}
});
}
private voidinitRecycleView() {
mRecyclerView= (RecyclerView) findViewById(R.id.recycle_view);
mRecyclerView.setLayoutManager(newLinearLayoutManager(this));
myAdapter=newMyAdapter(this,data);
Log.i("MainActivity",data.size()+"");
mRecyclerView.setAdapter(myAdapter);
myAdapter.setOnitemClickListenner(this);
}
@Override
public voidonClick(View view,intposition, String data) {
Toast.makeText(MainActivity.this,"点击了第:"+position,Toast.LENGTH_SHORT).show();
}
private voidgetData(inta) {
data=newArrayList<>();
for(inti=0;i
data.add("第"+i+"数据");
}
}
}
adapter:
packagecom.cmcc.recycleviewtest;
importandroid.content.Context;
importandroid.support.v7.widget.RecyclerView;
importandroid.view.LayoutInflater;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.TextView;
importjava.util.List;
/**
* Created by PC on 2017/5/5.
*/
public classMyAdapterextendsRecyclerView.Adapter {
privateContextmContext;
privateListmdata;
OnItemlickListennerlistenner;//声明接口
//给接口设置set方法
public voidsetOnitemClickListenner(OnItemlickListenner listenner){
this.listenner=listenner;
}
publicMyAdapter(Context context , List data) {
this.mContext=context;
this.mdata=data;
}
public voidclearData(){
mdata.clear();
notifyItemRangeChanged(0,mdata.size());
}
public voidaddData(List datas){
addData(0,datas);
}
public voidaddData(intposition,List datas){
if(datas!=null&&datas.size()>0){
mdata.addAll(datas);
notifyItemRangeChanged(position,mdata.size());
}
}
@Override
publicMyAdapter.VieHolder onCreateViewHolder(ViewGroup parent,intviewType) {
VieHolder holder =newVieHolder(LayoutInflater.from(mContext).inflate(R.layout.item_view, parent,false));
returnholder;
}
@Override
public voidonBindViewHolder(MyAdapter.VieHolder holder,intposition) {
holder.tv.setText(mdata.get(position));
}
@Override
public intgetItemCount() {
returnmdata.size();
}
publicList getData() {
returnmdata;
}
public classVieHolderextendsRecyclerView.ViewHolder {
TextViewtv;
publicVieHolder(View itemView) {
super(itemView);
tv= (TextView) itemView.findViewById(R.id.tv_item);
//用这个接口，并进行接口回调
itemView.setOnClickListener(newView.OnClickListener() {
@Override
public voidonClick(View view) {
if(listenner!=null){
listenner.onClick(view,getLayoutPosition(),mdata.get(getAdapterPosition()));
}
}
});
}
}
//1.定义一个接口
interfaceOnItemlickListenner{
voidonClick(View view,intposition,String data);
}
}
