From 2d17da00aa92650f8fb088e51f85250a6989e1d3 Mon Sep 17 00:00:00 2001 From: classichu Date: Mon, 13 Mar 2017 08:41:26 +0800 Subject: [PATCH] update --- .../listener/OnScrollWithUpDownListener.java | 14 +- .../ClassicRVHeaderFooterAdapter.java | 187 ++++++++++++++++-- 2 files changed, 187 insertions(+), 14 deletions(-) diff --git a/adapter/src/main/java/com/classichu/adapter/listener/OnScrollWithUpDownListener.java b/adapter/src/main/java/com/classichu/adapter/listener/OnScrollWithUpDownListener.java index 03f5c06..c8cab7f 100644 --- a/adapter/src/main/java/com/classichu/adapter/listener/OnScrollWithUpDownListener.java +++ b/adapter/src/main/java/com/classichu/adapter/listener/OnScrollWithUpDownListener.java @@ -14,15 +14,25 @@ public abstract class OnScrollWithUpDownListener extends RecyclerView.OnScrollLi public abstract void onScrollDown(); + + /** + * 当屏幕中的 item 数量多到超出屏幕的时候，这时候的滚动是会触发 onScrolled(RecyclerView recyclerView, int dx, int dy) 方法的。 + 屏幕中的 item 完全显示在屏幕中时，onScrolled(RecyclerView recyclerView, int dx, int dy) 是不会被触发的。 + * @param recyclerView + * @param dx + * @param dy + */ @Override public void onScrolled(RecyclerView recyclerView, int dx, int dy) { if (Math.abs(dy) > mScrollThreshold) { if (dy > 0) { - //往上滑动 + //往上滑动 往下拉 onScrollUp(); + //CLog.i("onScrollUp"); } else if (dy < 0) { - //往下滑动 + //往下滑动 往上拉 onScrollDown(); + //CLog.i("onScrollDown"); } } } diff --git a/adapter/src/main/java/com/classichu/adapter/recyclerview/ClassicRVHeaderFooterAdapter.java b/adapter/src/main/java/com/classichu/adapter/recyclerview/ClassicRVHeaderFooterAdapter.java index a86fccc..1b5def2 100644 --- a/adapter/src/main/java/com/classichu/adapter/recyclerview/ClassicRVHeaderFooterAdapter.java +++ b/adapter/src/main/java/com/classichu/adapter/recyclerview/ClassicRVHeaderFooterAdapter.java @@ -1,11 +1,17 @@ package com.classichu.adapter.recyclerview; +import android.content.Context; import android.support.v7.widget.RecyclerView; import android.util.Log; import android.util.SparseArray; +import android.util.TypedValue; +import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; +import android.widget.LinearLayout; +import android.widget.ProgressBar; +import android.widget.TextView; import com.classichu.adapter.listener.OnNotFastClickListener; import com.classichu.adapter.widget.ClassicEmptyView; @@ -17,10 +23,13 @@ * Created by louisgeek on 2017/3/6. */ -public abstract class ClassicRVHeaderFooterAdapter extends RecyclerView.Adapter { +public abstract class ClassicRVHeaderFooterAdapter extends RecyclerView.Adapter { private static final String TAG = "ClassicRVHeaderFooterAd"; - + //分页第一页 + public static final int PAGE_NUM_DEFAULT = 1; + //默认分页数量 + public static final int PAGE_SIZE_DEFAULT = 10; private static final int VIEW_TYPE_HEADER_OFFSET = 10000; private static final int VIEW_TYPE_FOOTER_OFFSET = 20000; @@ -32,15 +41,17 @@ public abstract class ClassicRVHeaderFooterAdapter extends RecyclerView.Adap protected List mDataList = new ArrayList<>(); private int mItemLayoutId; + private Context mContext; - public ClassicRVHeaderFooterAdapter(List mDataList, int mItemLayoutId) { + public ClassicRVHeaderFooterAdapter(Context mContext,List mDataList, int mItemLayoutId) { this.mDataList = mDataList; this.mItemLayoutId = mItemLayoutId; + this.mContext = mContext; } @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { - Log.d(TAG, "onCreateViewHolder: viewType:" + viewType); + //Log.d(TAG, "onCreateViewHolder: viewType:" + viewType); //headerView和footerView的viewType不采用常规的方式判断，采用是否 // header 类型 View headerView = mHeaderViews.get(viewType); @@ -51,7 +62,6 @@ public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType } else if (footerView != null) { return new ClassicRVHeaderFooterViewHolder(footerView); } else if (viewType == VIEW_TYPE_EMPTY) { - mEmptyView.setVisibility(View.VISIBLE); // empty 类型 return new ClassicRVHeaderFooterViewHolder(mEmptyView); } else { @@ -63,7 +73,7 @@ public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType @Override public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { - Log.d(TAG, "onBindViewHolder: position:" + position); + //Log.d(TAG, "onBindViewHolder: position:" + position); int itemType = this.getItemViewType(position); // header 类型 View headerView = mHeaderViews.get(itemType); @@ -117,7 +127,7 @@ public int getItemCount() { if (mFooterViews.size() > 0) { count = count + mFooterViews.size(); } - Log.d(TAG, "getItemCount: count:" + count); + //Log.d(TAG, "getItemCount: count:" + count); return count; } @@ -131,9 +141,9 @@ public int getItemViewType(int position) { } else if (mEmptyView != null && mDataList.size() == 0) { return VIEW_TYPE_EMPTY; } - int viewType=0; + int viewType = 0; if (setupDelegate() != null) { - viewType=setupDelegate().getItemViewType(getRealPosition(position)); + viewType = setupDelegate().getItemViewType(getRealPosition(position)); } return viewType; } @@ -261,7 +271,7 @@ private int getRealPosition(int position) { if (mHeaderViews.size() > 0) { realPos = position - mHeaderViews.size(); } - Log.d(TAG, "getRealPosition: realPos:" + realPos); + //###Log.d(TAG, "getRealPosition: realPos:" + realPos); return realPos; } @@ -271,9 +281,9 @@ private int getFooterFirstPosition() { footerFirstPos = footerFirstPos + mHeaderViews.size(); } if (mEmptyView != null && mDataList.size() == 0) { - footerFirstPos = footerFirstPos +1;//add empty view + footerFirstPos = footerFirstPos + 1;//add empty view } - Log.d(TAG, "getFooterFirstPosition: footerFirstPos:" + footerFirstPos); + //Log.d(TAG, "getFooterFirstPosition: footerFirstPos:" + footerFirstPos); return footerFirstPos; } @@ -302,6 +312,159 @@ public void addFooterView(View view) { notifyDataSetChanged(); } + public void removeHeaderView(View view) { + int index4header = mHeaderViews.indexOfValue(view); + if (index4header>=0) { + mHeaderViews.removeAt(index4header); + notifyDataSetChanged(); + } + } + + public void removeFooterView(View view) { + int index4footer = mFooterViews.indexOfValue(view); + if (index4footer>=0){ + mFooterViews.removeAt(index4footer); + notifyDataSetChanged(); + } + } + + private TextView textView; + private LinearLayout linearLayout; + private ProgressBar progressBar; + private View setupLoadingView(Context context, String showText) { + if (linearLayout == null || textView == null) { + linearLayout = new LinearLayout(context); + linearLayout.setOrientation(LinearLayout.HORIZONTAL); + linearLayout.setGravity(Gravity.CENTER); + linearLayout.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT + , ViewGroup.LayoutParams.WRAP_CONTENT)); + linearLayout.setPadding(dp2px(context, 10), dp2px(context, 15) + , dp2px(context, 10), dp2px(context, 15)); + + progressBar = new ProgressBar(context); + + linearLayout.addView(progressBar); + + textView = new TextView(context); + textView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)); + // textView.setText(showText); + textView.setPadding(dp2px(context, 10), dp2px(context, 10) + , dp2px(context, 10), dp2px(context, 10)); + textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16); + linearLayout.addView(textView); + } + textView.setText(showText); + + if ("数据加载中...".equals(showText)){ + progressBar.setVisibility(View.VISIBLE); + }else { + progressBar.setVisibility(View.GONE); + } + return linearLayout; + } + + private int dp2px(Context context, float dp) { + final float scale = context.getResources().getDisplayMetrics().density; + return (int) (dp * scale + 0.5f); + } + + + //当前页码 + private int mPageNum = PAGE_NUM_DEFAULT; + //是否在加载ing + private boolean mDataLoading; + //是否所有数据加载完毕（没有下一页） + private boolean mLoadComplete; + + /** + * 下一页 + * + * @return + */ + public int getNextPageNum() { + return mPageNum + 1; + } + + /** + * 翻页 + * + * @return + */ + public void turnNextPageNum() { + mPageNum = mPageNum + 1; + //return mPageNum; + } + + public int getPageNum() { + return mPageNum; + } + + //返回已加载的数量 + public int getNowPageCount() { + return mPageNum * PAGE_SIZE_DEFAULT; + } + + public void setDataLoading(boolean dataLoading) { + mDataLoading = dataLoading; + } + + public boolean isDataLoading() { + return mDataLoading; + } + + public void setLoadComplete(boolean loadComplete) { + mLoadComplete = loadComplete; + } + + public boolean isLoadComplete() { + return mLoadComplete; + } + + /** + * 加载中 + */ + private View mLoadingView; + public void showFooterViewDataLoading() { + // + setDataLoading(true); + setLoadComplete(false); + // + removeFooterView(mLoadingView); + mLoadingView = setupLoadingView(mContext,"数据加载中..."); + addFooterView(mLoadingView); + // CLog.d("showFooterViewDataLoading"); + Log.d(TAG, "showFooter showFooterViewDataLoading: "); + } + + + /** + * 上拉加载更多数据 （一页加载完成) + */ + public void showFooterViewNormal() { + // + setLoadComplete(false); + setDataLoading(false); + // + removeFooterView(mLoadingView); + mLoadingView = setupLoadingView(mContext,"上拉加载更多数据"); + addFooterView(mLoadingView); + Log.d(TAG, "showFooter showFooterViewNormal: "); + } + + /** + * 所有数据加载完成 + */ + public void showFooterViewLoadComplete() { + // + setLoadComplete(true); + setDataLoading(false); + // + removeFooterView(mLoadingView); + mLoadingView = setupLoadingView(mContext,"数据加载完成"); + addFooterView(mLoadingView); + Log.d(TAG, "showFooter showFooterViewLoadComplete: "); + } + /** * =====================public abstract============================= */