<android.support.v4.widget.SwipeRefreshLayout
 android:id="@+id/layout_refresh"
 android:layout_width="match_parent"
 android:layout_height="match_parent">

 <FrameLayout
  android:id="@+id/container"
  android:layout_width="match_parent"
  android:layout_height="match_parent">

  <android.support.v7.widget.RecyclerView
  android:id="@+id/list"
  android:layout_width="match_parent"
  android:layout_height="match_parent" />
 </FrameLayout>
 </android.support.v4.widget.SwipeRefreshLayout>

//正常的TabLayout布局
private TabLayout mTabLayout;
//粘性 TabLayout布局(用于固定在顶部)
private TabLayout mStickyTabLayout;
//粘性布局的Y坐标(用户判断粘性布局是否显示)
private int mStickyPositionY;
//主列表布局
private RecyclerView mHomeList;

public class HomeEntity extends BaseObservable {

//列表类型 0:新鲜的 1:附近的
public static final int LIST_TYPE_FRESH = 0;
public static final int LIST_TYPE_NEAR = 1;

private int bannerCount;
private int listType = LIST_TYPE_FRESH;
//新鲜的和附近的首次加载的loading状态
private boolean refreshLoading;
private boolean nearLoading;
//首页是否正在下拉刷新
private boolean refreshing;
//新鲜的和附近的 获取更多的View的状态值(用户记录TabLayout切换的时候，LoadingMore的状态)
private int refreshMoreStatus;
private int nearMoreStatus;
//首页的活动更多的状态
private int loadingMoreStatus;
}

mTabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
 @Override
 public void onTabSelected(TabLayout.Tab tab) {
  int position = tab.getPosition();
  //设置粘贴TabLayout的选中Tab
  if (!mStickyTabLayout.getTabAt(position).isSelected()) {
  mStickyTabLayout.getTabAt(position).select();
  mViewModel.changeHomeData(position);
  }
 }

 @Override
 public void onTabUnselected(TabLayout.Tab tab) {

 }

 @Override
 public void onTabReselected(TabLayout.Tab tab) {

 }
 });
mStickyTabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
 @Override
 public void onTabSelected(TabLayout.Tab tab) {
  int position = tab.getPosition();
  if (!mTabLayout.getTabAt(position).isSelected()) {
  mTabLayout.getTabAt(position).select();
  mHomeList.stopScroll();

  //mAdapter.setEnableLoadMore(false);
  mViewModel.changeHomeData(position);
  ......
  }
 }

 @Override
 public void onTabUnselected(TabLayout.Tab tab) {

 }

 @Override
 public void onTabReselected(TabLayout.Tab tab) {

 }
 });

mHomeList.addOnScrollListener(new RecyclerView.OnScrollListener() {
 @Override
 public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
  int[] location = new int[2];
  mTabLayout.getLocationInWindow(location);
  int count = mViewContainer.getChildCount();
  if (location[1] <= mStickyPositionY) {
  if (count == 1) {
   mViewContainer.addView(mStickyTabLayout);
   mBinding.layoutRefresh.setEnabled(false);
  }
  } else {
  if (count > 1) {
   mViewContainer.removeView(mStickyTabLayout);
   //mOffsetY = DisplayUtil.dip2px(mContainer.getContext(), 46);
   //mRefreshPosition = mAdapter.getHeaderLayoutCount();
   //mNearPosition = mAdapter.getHeaderLayoutCount();
   mBinding.layoutRefresh.setEnabled(true);
  }
  }

  //if (mInitPositionY == -1) {
  //mInitPositionY = location[1];
  //}
  //mHomeListPositionY = location[1];
 }
 });

LinearLayoutManager manager = new LinearLayoutManager(mContainer.getContext()) {
 @Override
 public boolean onRequestChildFocus(RecyclerView parent, RecyclerView.State state, View child, View focused) {
  //TODO 暂时处理View焦点问题
  return true;
 }
 };

private int mHomeListPositionY;//用来标识当前RecycleView的位置
private int mInitPositionY = -1;//初始状态下RecycleView的Y坐标
//这里是RecycleView的滑动监听，用来记录RecycleView的位置，这里其实是记录了mTabLayout的位置
mHomeList.addOnScrollListener(new RecyclerView.OnScrollListener() {
 @Override
 public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
  int[] location = new int[2];
  mTabLayout.getLocationInWindow(location);
  int count = mViewContainer.getChildCount();

  if (mInitPositionY == -1) {
  mInitPositionY = location[1];
  }
  mHomeListPositionY = location[1];
 }
 });
//这个函数就是用来手动将RecycleView滑动到正确的位置
 private void setLoadingView(boolean visible, int type) {
 int position;
 if (type == HomeEntity.LIST_TYPE_FRESH) {
 position = mRefreshPosition;
 } else {
 position = mNearPosition;
 }
 if (visible) {
 mLoadingView.setVisibility(View.VISIBLE);
 if (mStickyTabLayout.getVisibility() == View.VISIBLE) {
  LinearLayoutManager layoutManager = (LinearLayoutManager) mHomeList.getLayoutManager();
  layoutManager.scrollToPositionWithOffset(0, mHomeListPositionY - mInitPositionY);
 }
 } else {
 mLoadingView.setVisibility(View.GONE);
 LinearLayoutManager layoutManager = (LinearLayoutManager) mHomeList.getLayoutManager();
 if (mViewContainer.getChildCount() > 1) {
  layoutManager.scrollToPositionWithOffset(position, mStickyTabLayout.getHeight());
 } else {
  layoutManager.scrollToPositionWithOffset(0, mHomeListPositionY - mInitPositionY);
 }
 }
}

if (propertyId == BR.refreshLoading) {
  if (HomeEntity.LIST_TYPE_FRESH != entity.getListType()) {
  return;
  }
  if (mLoadingView.getVisibility() == View.GONE) {
  mAdapter.setEnableLoadMore(true);
  }
 } else if (propertyId == BR.nearLoading) {
  if (HomeEntity.LIST_TYPE_NEAR != entity.getListType()) {
  return;
  }
  if (mLoadingView.getVisibility() == View.GONE) {
  mAdapter.setEnableLoadMore(true);
  }
 } else if (propertyId == BR.loadingMoreStatus) {
  int status = entity.getLoadingMoreStatus();
  mAdapter.setEnableLoadMore(true);
  if (LoadMoreView.STATUS_DEFAULT == status) {
  mAdapter.loadMoreComplete();
  } else if (LoadMoreView.STATUS_END == status) {
  mAdapter.loadMoreEnd();
  } else if (LoadMoreView.STATUS_FAIL == status) {
  mAdapter.loadMoreFail();
  }
 }

if (mLoadingView.getVisibility() == View.GONE) {
mAdapter.setEnableLoadMore(true);
}