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完善搜索功能模块

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This commit is contained in:
18401019693 2022-08-08 13:08:15 +08:00
parent f0c4dd1146
commit 6ce970df07
4 changed files with 135 additions and 4 deletions
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8
common/src/main/java/com/yunbao/common/views/weight/OnBottomListener.java Normal file
View File

@ -0,0 +1,8 @@
package com.yunbao.common.views.weight;
/**
* 滚动到底部的监听
*/
public interface OnBottomListener {
void onBottom();
}

92
common/src/main/java/com/yunbao/common/views/weight/OnRecyclerViewScrollListener.java Normal file
View File

@ -0,0 +1,92 @@
package com.yunbao.common.views.weight;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.StaggeredGridLayoutManager;
public class OnRecyclerViewScrollListener extends RecyclerView.OnScrollListener implements OnBottomListener {
public enum LAYOUT_MANAGER_TYPE {
LINEAR,
GRID,
STAGGERED_GRID
}
/* LayoutManager的类型（枚举）*/
protected LAYOUT_MANAGER_TYPE mLayoutManagerType;
/*存储瀑布流每一列最下面的那个item的位置*/
private int[] mLastPositions;
/*最后一个可见的item的位置*/
private int mLastVisibleItemPosition;
/*记录当前滑动的状态*/
private int mCurrentScrollState = 0;
/*用于判断滑动方向，dy等于0，表示RecyclerView没有滑动，比如条目没充满RecyclerView的话，手势不管哪个方向滑都是0；dy大于0，RecyclerView向上滑动；dy小于0 ，RecyclerView向下滑动*/
private int mDy;
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
this.mDy = dy;
RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
if (mLayoutManagerType == null) {
if (layoutManager instanceof LinearLayoutManager) {
mLayoutManagerType = LAYOUT_MANAGER_TYPE.LINEAR;
} else if (layoutManager instanceof GridLayoutManager) {
mLayoutManagerType = LAYOUT_MANAGER_TYPE.GRID;
} else if (layoutManager instanceof StaggeredGridLayoutManager) {
mLayoutManagerType = LAYOUT_MANAGER_TYPE.STAGGERED_GRID;
} else {
throw new RuntimeException("Unsupported LayoutManager used. Valid ones are LinearLayoutManager, GridLayoutManager and StaggeredGridLayoutManager");
}
}
switch (mLayoutManagerType) {
case LINEAR:
mLastVisibleItemPosition = ((LinearLayoutManager) layoutManager).findLastVisibleItemPosition();
break;
case GRID:
mLastVisibleItemPosition = ((GridLayoutManager) layoutManager).findLastVisibleItemPosition();
break;
case STAGGERED_GRID:
StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
if (mLastPositions == null) {
mLastPositions = new int[staggeredGridLayoutManager.getSpanCount()];
}
staggeredGridLayoutManager.findLastVisibleItemPositions(mLastPositions);
mLastVisibleItemPosition = findMax(mLastPositions);
break;
}
}
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
super.onScrollStateChanged(recyclerView, newState);
mCurrentScrollState = newState;
RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
int visibleItemCount = layoutManager.getChildCount();
int totalItemCount = layoutManager.getItemCount();
if (visibleItemCount > 0
&& mCurrentScrollState == RecyclerView.SCROLL_STATE_IDLE
&& mLastVisibleItemPosition >= totalItemCount - 1 && mDy > 0) {
onBottom();
}
}
@Override
public void onBottom() {
}
private int findMax(int[] lastPositions) {
int max = lastPositions[0];
for (int value : lastPositions) {
if (value > max) {
max = value;
}
}
return max;
}
}

8
main/src/main/java/com/yunbao/main/adapter/SearchResultsItemAdapter.java
View File

@ -100,4 +100,12 @@ public class SearchResultsItemAdapter extends RecyclerView.Adapter {
}
notifyDataSetChanged();
}
/**
* 加载更多资源
*/
public void onLoadMoreData(List<List<SearchModel>> mLists) {
lists.addAll(mLists);
notifyDataSetChanged();
}
}

31
main/src/main/java/com/yunbao/main/fragment/SearchResultsItemFragment.java
View File

@ -14,6 +14,7 @@ import com.yunbao.common.fragment.BaseFragment;
import com.yunbao.common.http.base.HttpCallback;
import com.yunbao.common.http.main.MainNetManager;
import com.yunbao.common.utils.ToastUtil;
import com.yunbao.common.views.weight.OnRecyclerViewScrollListener;
import com.yunbao.main.R;
import com.yunbao.main.adapter.SearchResultsItemAdapter;
import com.yunbao.main.utils.WordsTypeUtil;
@ -27,6 +28,7 @@ import java.util.List;
public class SearchResultsItemFragment extends BaseFragment {
private String searchKey = "";
private int page = 1;
private int type = 1;
private RecyclerView searchList;
private SearchResultsItemAdapter itemAdapter;
@ -46,6 +48,13 @@ public class SearchResultsItemFragment extends BaseFragment {
itemAdapter = new SearchResultsItemAdapter();
searchList.setLayoutManager(new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false));
searchList.setAdapter(itemAdapter);
searchList.addOnScrollListener(new OnRecyclerViewScrollListener() {
@Override
public void onBottom() {
page = page + 1;
setSearchKey(searchKey, type);
}
});
}
@Override
@ -64,6 +73,7 @@ public class SearchResultsItemFragment extends BaseFragment {
LoadingDialog fragment = new LoadingDialog();
fragment.show(getChildFragmentManager(), "LoadingDialog");
this.searchKey = searchKey;
this.type = type;
if (type == 1) {
MainNetManager.get(getActivity())
.search(WordsTypeUtil.changeSimplified(searchKey),
@ -71,7 +81,11 @@ public class SearchResultsItemFragment extends BaseFragment {
type, page, new HttpCallback<List<List<SearchModel>>>() {
@Override
public void onSuccess(List<List<SearchModel>> data) {
itemAdapter.showData(data, type);
if (page > 1) {
itemAdapter.onLoadMoreData(data);
} else {
itemAdapter.showData(data, type);
}
fragment.dismiss();
}
@ -88,9 +102,18 @@ public class SearchResultsItemFragment extends BaseFragment {
type, page, new HttpCallback<List<SearchModel>>() {
@Override
public void onSuccess(List<SearchModel> data) {
List<List<SearchModel>> listList = new ArrayList<>();
listList.add(data);
itemAdapter.showData(listList, type);
if (data.size() == 0) {
ToastUtil.show(R.string.refresh_footer_nothing);
} else {
List<List<SearchModel>> listList = new ArrayList<>();
listList.add(data);
if (page > 1) {
itemAdapter.onLoadMoreData(listList);
} else {
itemAdapter.showData(listList, type);
}
}
fragment.dismiss();
}