android实现RecyclerView上拉加载，下拉更新（1）
package com.moziqi.pullloadmorerecyclerview;
import android.content.Context;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.widget.LinearLayout;
/**
* Created by moziqi on 2016/1/7.
*/
public class PullLoadMoreRecyclerView extends LinearLayout {
private RecyclerView mRecyclerView;
private SwipeRefreshLayout mSwipeRefreshLayout;
private PullLoadMoreListener mPullLoadMoreListener;
private SwipeRefreshLayoutOnRefresh mSwipeRefreshLayoutOnRefresh;
private RecyclerViewOnScroll mRecyclerViewOnScroll;
//默认有更多数据
private boolean hasMore = true;
//用于监听滚动的时候，是否在刷新状态
private boolean isRefresh = false;
//用于监听滚动的时候，是否在加载更多状态
private boolean isLoadMore = false;
//默认可以刷新
private boolean pullRefreshEnable = true;
//底部加载更多视图
private LinearLayout mFooterView;
//上下文对象
private Context mContext;
public PullLoadMoreRecyclerView(Context context) {
super(context);
initView(context);
}
public PullLoadMoreRecyclerView(Context context, AttributeSet attrs) {
super(context, attrs);
initView(context);
}
private void initView(Context context) {
mContext = context;
//初始化
View view = LayoutInflater.from(context).inflate(R.layout.pull_loadmore_layout, null);
mSwipeRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipeRefreshLayout);
mRecyclerView = (RecyclerView) view.findViewById(R.id.recycler_view);
//设置主题
mSwipeRefreshLayout.setColorSchemeResources(android.R.color.holo_green_dark, android.R.color.holo_blue_dark, android.R.color.holo_orange_dark);
//设置刷新回调
mSwipeRefreshLayoutOnRefresh = new SwipeRefreshLayoutOnRefresh(this);
//防止滚动时候，用户滑动view
mSwipeRefreshLayout.setOnRefreshListener(mSwipeRefreshLayoutOnRefresh);
//隐藏滚动条
mRecyclerView.setVerticalScrollBarEnabled(true);
//提高性能
mRecyclerView.setHasFixedSize(true);
//设置效果
mRecyclerView.setItemAnimator(new DefaultItemAnimator());
//分割线
//mRecyclerView.addItemDecoration(new DividerItemDecoration(getActivity(), DividerItemDecoration.HORIZONTAL_LIST));
//设置底部刷新
mRecyclerViewOnScroll = new RecyclerViewOnScroll(this);
mRecyclerView.addOnScrollListener(mRecyclerViewOnScroll);
//防止滚动的时候，用户滑动view
mRecyclerView.setOnTouchListener(new onTouchRecyclerView());
//加载更多，默认不显示
mFooterView = (LinearLayout) view.findViewById(R.id.footer_linearlayout);
mFooterView.setVisibility(View.GONE);
this.addView(view);
}
/**
* LinearLayoutManager
*/
public void setLinearLayout() {
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(mContext);
linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(linearLayoutManager);
}
/**
* GridLayoutManager
*/
public void setGridLayout(int spanCount) {
GridLayoutManager gridLayoutManager = new GridLayoutManager(mContext, spanCount);
gridLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(gridLayoutManager);
}
/**
* StaggeredGridLayoutManager
*/
public void setStaggeredGridLayout(int spanCount) {
StaggeredGridLayoutManager staggeredGridLayoutManager = new StaggeredGridLayoutManager(spanCount, LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(staggeredGridLayoutManager);
}
public RecyclerView.LayoutManager getLayoutManager() {
return mRecyclerView.getLayoutManager();
}
public RecyclerView getRecyclerView() {
return mRecyclerView;
}
public void scrollToTop() {
mRecyclerView.scrollToPosition(0);
}
public void setAdapter(RecyclerView.Adapter adapter) {
if (adapter != null) {
mRecyclerView.setAdapter(adapter);
}
}
/**
* 设置是否可以下拉刷新
*
* @param enable
*/
public void setPullRefreshEnable(boolean enable) {
pullRefreshEnable = enable;
setSwipeRefreshEnable(enable);
}
public boolean getPullRefreshEnable() {
return pullRefreshEnable;
}
public void setSwipeRefreshEnable(boolean enable) {
mSwipeRefreshLayout.setEnabled(enable);
}
/**
* 获取是否可以下拉刷新
*
* @return
*/
public boolean getSwipeRefreshEnable() {
return mSwipeRefreshLayout.isEnabled();
}
/**
* 设置SwipeRefreshLayout主题
*
* @param colorResIds
*/
public void setColorSchemeResources(int... colorResIds) {
mSwipeRefreshLayout.setColorSchemeResources(colorResIds);
}
public SwipeRefreshLayout getSwipeRefreshLayout() {
return mSwipeRefreshLayout;
}
public void setRefreshing(final boolean isRefreshing) {
mSwipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
if (pullRefreshEnable) {
mSwipeRefreshLayout.setRefreshing(isRefreshing);
}
}
});
}
/**
* Solve IndexOutOfBoundsException exception
*/
public class onTouchRecyclerView implements OnTouchListener {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (isRefresh || isLoadMore) {
return true;
} else {
return false;
}
}
}
public void refresh() {
if (mPullLoadMoreListener != null) {
mPullLoadMoreListener.onRefresh();
}
}
public void loadMore() {
if (mPullLoadMoreListener != null && hasMore) {
mFooterView.setVisibility(View.VISIBLE);
mPullLoadMoreListener.onLoadMore();
}
}
public void setPullLoadMoreCompleted() {
isRefresh = false;
mSwipeRefreshLayout.setRefreshing(false);
isLoadMore = false;
mFooterView.setVisibility(View.GONE);
}
public void setOnPullLoadMoreListener(PullLoadMoreListener listener) {
mPullLoadMoreListener = listener;
}
public boolean isLoadMore() {
return isLoadMore;
}
public void setIsLoadMore(boolean isLoadMore) {
this.isLoadMore = isLoadMore;
}
public boolean isRefresh() {
return isRefresh;
}
public void setIsRefresh(boolean isRefresh) {
this.isRefresh = isRefresh;
}
public boolean isHasMore() {
return hasMore;
}
public void setHasMore(boolean hasMore) {
this.hasMore = hasMore;
}
/**
* 外部回调这个
*/
public interface PullLoadMoreListener {
public void onRefresh();
public void onLoadMore();
}
}
转载请表明来之这里http://my.oschina.net/moziqi/blog/308842
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