• Android仿联系人列表分组悬浮列表实现,自己定义PinnedHeaderListView实现


    效果
    这里写图片描写叙述

    (关于gif怎么生成的。我先录手机的屏幕得到mp4文件。然后用这个网址:https://cloudconvert.com/mp4-to-gif 进行的mp4转换gif,使用的时候须要又一次选择gif的大小,不然生成的gif图片太大了)

    效果包含下面几个方面
    1. 当组的头部从屏幕顶部消失。并且组还有成员在屏幕内的时候。组的头部悬浮在屏幕顶部,并且为红色背景(我设置的组的头部是黄色背景)
    2. 当下一个组的头部滑到屏幕顶部与红色的悬浮头部挨着的时候。把红色的头部顶走(红色头部随下一个组的头部上滑而上滑,知道消失不见),终于悬浮的头部被替代
    3. 点击header view,组头部,组内元素,footer view分别响应各自的点击事件

    github地址:https://github.com/JimiSmith/PinnedHeaderListView
    假设你希望先阅读源代码解析,看这里:http://blog.csdn.net/u010335298/article/details/51178179

    思路


    1.悬浮header的实现

    通过得到当前应该悬浮的头部的view,调用listview的dispatchDraw方法,在Listview头部绘制悬浮头部

     @Override
        protected void dispatchDraw(Canvas canvas) {
            super.dispatchDraw(canvas);
            if(currentSectionHeader !=null){
                canvas.save();
                canvas.translate(0, currentSectionHeaderOffest);
                canvas.clipRect(0,0,currentSectionHeader.width,currentSectionHeader.height);
                currentSectionHeader.view.draw(canvas);
                canvas.restore();
            }
        }


    2.悬浮header被顶出屏幕的实现:

    通过改变变量currentSectionHeaderOffest来改变悬浮header的位置

    if(nextIsSectionHeaderView.getTop() >= 0 && currentSectionHeader!=null && nextIsSectionHeaderView.getTop() < currentSectionHeader.height){
            currentSectionHeaderOffest = nextIsSectionHeaderView.getTop() - currentSectionHeader.height; // <0的哦
            Log.d(TAG,"move current section header view");
    }
    invalidate();


    3.得到应该悬浮在顶部的view

    遍历全部可见的view,得到第一个是组的头部的view的位置,组号,然后用adapter.getView(…)函数得到这个view

    //遍历全部可见的部分找到nextSectionHeader;
    View nextIsSectionHeaderView = null;
    for(int i=firstVisibleItem;i<firstVisibleItem + visibleItemCount;i++){
         if(mAdapter.isSectionHeader(i)){
               nextIsSectionHeaderView  = getChildAt(i-firstVisibleItem);
               nextSectionHeader = new SectionHeader(mAdapter.getView(i,null,this),
                     i,mAdapter.getSectionId(i));
               break;
         }
    }


    4.监听listview的onScroll , 时刻更新数据

    @Override
        public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
            //重置currentSectionHeaderOffest
            currentSectionHeaderOffest = 0;
            headerCount = getHeaderViewsCount();
            if(mAdapter==null || mAdapter.getCount()<=0 || firstVisibleItem < headerCount){
                currentSectionHeader = null;
                nextSectionHeader = null;
                return;
            }
            firstVisibleItem = firstVisibleItem - headerCount ;
            //遍历全部可见的部分找到nextSectionHeader;
            View nextIsSectionHeaderView = null;
            for(int i=firstVisibleItem;i<firstVisibleItem + visibleItemCount;i++){
                if(mAdapter.isSectionHeader(i)){
                    nextIsSectionHeaderView  = getChildAt(i-firstVisibleItem);
                    nextSectionHeader = new SectionHeader(mAdapter.getView(i,null,this),
                            i,mAdapter.getSectionId(i));
                    break;
                }
            }
            //得到currentSectionHeader
            //优化。当当前须要展示的和当前展示的不一致时。才new
            if(currentSectionHeader==null || currentSectionHeader.sectionId != mAdapter.getSectionId(firstVisibleItem)){
                currentSectionHeader = new SectionHeader(mAdapter.getSectionHeaderView(mAdapter.getSectionId(firstVisibleItem),null,this),
                        mAdapter.getSectionPosition(mAdapter.getSectionId(firstVisibleItem)),mAdapter.getSectionId(firstVisibleItem));
                currentSectionHeader.view.layout(0,0,currentSectionHeader.width,currentSectionHeader.height);//!!!!!一定不能少
            }
            //推断nextSectionHeader的位置,假设距离顶部高度小于currentSectionHeader高度,使currentSectionHeader向上推移动
            if(nextIsSectionHeaderView!=null ){
    
                if(nextIsSectionHeaderView.getTop() >= 0 && currentSectionHeader!=null && nextIsSectionHeaderView.getTop() < currentSectionHeader.height){
                    currentSectionHeaderOffest = nextIsSectionHeaderView.getTop() - currentSectionHeader.height; // <0的哦
                    Log.d(TAG,"move current section header view");
                }
                invalidate();
            }
    
        }


    5.onItemClick的时候。注意header和footer的影响

    /*********************************************************************************************
         *
         * 实现OnItemClickListener
         *
         **********************************************************************************************/
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            headerCount = getHeaderViewsCount();
            if(position < headerCount){
                if(mOnItemClickListener  !=null){
                    mOnItemClickListener.onHeaderClick(parent, view, position, id);
                }
                return;
            }
            if(mAdapter!= null && position >= headerCount + mAdapter.getCount()){
                if(mOnItemClickListener  !=null){
                    mOnItemClickListener.onFooterClick(parent, view, position - headerCount - mAdapter.getCount(), id);
                }
                return;
            }
            position = position - headerCount;
    
            int section = mAdapter.getSectionId(position);
            int positionInSection = mAdapter.getPositionIdInSection(position);
    
            if (mAdapter.isSectionHeader(position)) {
                if( mOnItemClickListener != null){
                    mOnItemClickListener.onSectionClick(parent, view, section, id);
                }
            } else {
                if( mOnItemClickListener != null){
                    mOnItemClickListener.onSectionItemClick(parent, view, section, positionInSection, id);
                }
    
            }
        }
    
        public void setOnMyItemClickListener(MyOnItemClickListener mOnItemClickListener){
            this.mOnItemClickListener = mOnItemClickListener;
        }
    
        public interface MyOnItemClickListener {
    
            void onSectionItemClick(AdapterView<?

    > adapterView, View view, int section, int position, long id); void onSectionClick(AdapterView<?> adapterView, View view, int section, long id); void onHeaderClick(AdapterView<?

    > adapterView, View view, int position, long id); void onFooterClick(AdapterView<?

    > adapterView, View view, int position, long id); }


    全部源代码:

    1.CustomPinnedHeaderListView.java

    package com.example.myapp.view;
    
    import android.content.Context;
    import android.graphics.Canvas;
    import android.graphics.Color;
    import android.util.AttributeSet;
    import android.util.Log;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.AbsListView;
    import android.widget.AdapterView;
    import android.widget.HeaderViewListAdapter;
    import android.widget.ListAdapter;
    import android.widget.ListView;
    
    import com.example.myapp.adapter.CustomPinnedHeaderListViewBaseAdapter;
    import com.example.myapp.github.pinnedheaderlistview.SectionedBaseAdapter;
    
    /**
     * Created by zyr
     * DATE: 16-4-12
     * Time: 下午7:58
     * Email: yanru.zhang@renren-inc.com
     */
    public class CustomPinnedHeaderListView extends ListView implements AbsListView.OnScrollListener , AdapterView.OnItemClickListener{
    
        private final static String TAG = "CusPinnedHeaderListView";
    
        private Context mContext;
    
        private SectionHeader currentSectionHeader;
    
        private SectionHeader nextSectionHeader;
    
        private int currentSectionHeaderOffest ;
    
        private CustomPinnedHeaderListViewBaseAdapter mAdapter;
    
        private int mWidthMode;
    
        private int mHeightMode;
    
        private MyOnItemClickListener mOnItemClickListener;
    
        private int headerCount; //header view counts
    
        /*********************************************************************************************
         *
         * 构造函数
         *
         **********************************************************************************************/
        public CustomPinnedHeaderListView(Context context) {
            this(context, null);
        }
    
        public CustomPinnedHeaderListView(Context context, AttributeSet attrs) {
            this(context, attrs, 0);
        }
    
        public CustomPinnedHeaderListView(Context context, AttributeSet attrs, int defStyleAttr) {
            super(context, attrs, defStyleAttr);
            mContext = context;
            setOnScrollListener(this);
            setOnItemClickListener(this);
        }
    
        @Override
        public void setAdapter(ListAdapter adapter) {
            super.setAdapter(adapter);
            if(adapter instanceof CustomPinnedHeaderListViewBaseAdapter){
                mAdapter = (CustomPinnedHeaderListViewBaseAdapter)adapter;
            }
            Log.d(TAG, "is my adapter null :" + (mAdapter == null));
        }
    
        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
            mWidthMode = MeasureSpec.getMode(widthMeasureSpec);
            mHeightMode = MeasureSpec.getMode(heightMeasureSpec);
        }
    
        /*********************************************************************************************
         *
         * 实现OnScrollListener
         *
         **********************************************************************************************/
    
        @Override
        public void onScrollStateChanged(AbsListView view, int scrollState) {
    
        }
    
        @Override
        public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
            //重置currentSectionHeaderOffest
            currentSectionHeaderOffest = 0;
            headerCount = getHeaderViewsCount();
            if(mAdapter==null || mAdapter.getCount()<=0 || firstVisibleItem < headerCount){
                currentSectionHeader = null;
                nextSectionHeader = null;
                return;
            }
            firstVisibleItem = firstVisibleItem - headerCount ;
            //遍历全部可见的部分找到nextSectionHeader;
            View nextIsSectionHeaderView = null;
            for(int i=firstVisibleItem;i<firstVisibleItem + visibleItemCount;i++){
                if(mAdapter.isSectionHeader(i)){
                    nextIsSectionHeaderView  = getChildAt(i-firstVisibleItem);
                    nextSectionHeader = new SectionHeader(mAdapter.getView(i,null,this),
                            i,mAdapter.getSectionId(i));
                    break;
                }
            }
            //得到currentSectionHeader
            //优化,当当前须要展示的和当前展示的不一致时,才new
            if(currentSectionHeader==null || currentSectionHeader.sectionId != mAdapter.getSectionId(firstVisibleItem)){
                currentSectionHeader = new SectionHeader(mAdapter.getSectionHeaderView(mAdapter.getSectionId(firstVisibleItem),null,this),
                        mAdapter.getSectionPosition(mAdapter.getSectionId(firstVisibleItem)),mAdapter.getSectionId(firstVisibleItem));
                currentSectionHeader.view.layout(0,0,currentSectionHeader.width,currentSectionHeader.height);//!!!!!一定不能少
            }
            //推断nextSectionHeader的位置,假设距离顶部高度小于currentSectionHeader高度。使currentSectionHeader向上推移动
            if(nextIsSectionHeaderView!=null ){
    
                if(nextIsSectionHeaderView.getTop() >= 0 && currentSectionHeader!=null && nextIsSectionHeaderView.getTop() < currentSectionHeader.height){
                    currentSectionHeaderOffest = nextIsSectionHeaderView.getTop() - currentSectionHeader.height; // <0的哦
                    Log.d(TAG,"move current section header view");
                }
                invalidate();
            }
    
        }
    
        /*********************************************************************************************
         *
         * 实现dispatchDraw,最精髓的部分哦
         *
         **********************************************************************************************/
    
        @Override
        protected void dispatchDraw(Canvas canvas) {
            super.dispatchDraw(canvas);
    //        Log.d(TAG, "is current section header null :" + (currentSectionHeader == null));
            if(currentSectionHeader !=null){
                canvas.save();
                canvas.translate(0, currentSectionHeaderOffest);
                canvas.clipRect(0, 0, currentSectionHeader.width, currentSectionHeader.height);
    //            Log.d(TAG,"is current section header view null :" + (currentSectionHeader.view==null));
                currentSectionHeader.view.draw(canvas);
                canvas.restore();
            }
        }
    
        /*********************************************************************************************
         *
         * 实现OnItemClickListener
         *
         **********************************************************************************************/
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            headerCount = getHeaderViewsCount();
            if(position < headerCount){
                if(mOnItemClickListener  !=null){
                    mOnItemClickListener.onHeaderClick(parent, view, position, id);
                }
                return;
            }
            if(mAdapter!= null && position >= headerCount + mAdapter.getCount()){
                if(mOnItemClickListener  !=null){
                    mOnItemClickListener.onFooterClick(parent, view, position - headerCount - mAdapter.getCount(), id);
                }
                return;
            }
            position = position - headerCount;
    
            int section = mAdapter.getSectionId(position);
            int positionInSection = mAdapter.getPositionIdInSection(position);
    
            if (mAdapter.isSectionHeader(position)) {
                if( mOnItemClickListener != null){
                    mOnItemClickListener.onSectionClick(parent, view, section, id);
                }
            } else {
                if( mOnItemClickListener != null){
                    mOnItemClickListener.onSectionItemClick(parent, view, section, positionInSection, id);
                }
    
            }
        }
    
        public void setOnMyItemClickListener(MyOnItemClickListener mOnItemClickListener){
            this.mOnItemClickListener = mOnItemClickListener;
        }
    
        public interface MyOnItemClickListener {
    
            void onSectionItemClick(AdapterView<?> adapterView, View view, int section, int position, long id);
    
            void onSectionClick(AdapterView<?

    > adapterView, View view, int section, long id); void onHeaderClick(AdapterView<?> adapterView, View view, int position, long id); void onFooterClick(AdapterView<?

    > adapterView, View view, int position, long id); } /********************************************************************************************* * * inner class * **********************************************************************************************/ class SectionHeader{ public View view; public int sectionId; public int position; public int height; public int width; public SectionHeader(View view,int position,int sectionId){ this.view = view; this.position = position; this.sectionId = sectionId; int widthMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), mWidthMode); int heightMeasureSpec ; ViewGroup.LayoutParams layoutParams = this.view.getLayoutParams(); if (layoutParams != null && layoutParams.height > 0) { heightMeasureSpec = MeasureSpec.makeMeasureSpec(layoutParams.height, MeasureSpec.EXACTLY); } else { heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } this.view.measure(widthMeasureSpec,heightMeasureSpec); this.height = this.view.getMeasuredHeight(); this.width = this.view.getMeasuredWidth(); this.view.setBackgroundColor(Color.RED); // Log.d(TAG,"" + this.width+ " height:" + this.height); } } }

    2.CustomPinnedHeaderListViewBaseAdapter.java

    package com.example.myapp.adapter;
    
    import android.util.Log;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.BaseAdapter;
    
    /**
     * Created by zyr
     * DATE: 16-4-12
     * Time: 下午8:02
     * Email: yanru.zhang@renren-inc.com
     */
    public abstract class CustomPinnedHeaderListViewBaseAdapter extends BaseAdapter{
    
        private final static String TAG = "CusPHLVBaseAdapter";
    
        /*********************************************************************************************
         *
         * BaseAdapter , Adapter的接口
         *
         **********************************************************************************************/
        @Override
        public abstract int getCount() ;
    
        @Override
        public abstract Object getItem(int position) ;
    
        @Override
        public abstract long getItemId(int position) ;
    
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if(isSectionHeader(position)){
                Log.d(TAG,"p:" + position + "  s:" + getSectionId(position));
                return getSectionHeaderView(getSectionId(position) , convertView ,parent);
            } else{
                Log.d(TAG,"p:" + position + "  s:" + getSectionId(position) + "    pIns" + getPositionIdInSection(position));
                return getItemView(getSectionId(position) , getPositionIdInSection(position) , convertView , parent);
            }
        }
    
        @Override
        public abstract int getViewTypeCount() ;
    
        @Override
        public abstract int getItemViewType(int position) ;
    
    
        /*********************************************************************************************
         *
         * 一些必须实现的抽象放法
         *
         **********************************************************************************************/
    
        public abstract boolean isSectionHeader(int position) ;
        public abstract int getSectionId(int position) ;
        public abstract int getSectionPosition(int sectionId);
        public abstract View getSectionHeaderView(int section, View convertView, ViewGroup parent);
        public abstract int getSectionHeaderViewType(int section) ;
        public abstract int getPositionIdInSection(int position) ;
        public abstract Object getItem(int section, int positionInSection);
        public abstract long getItemId(int section, int positionInSection);
        public abstract int getSectionCount();
        public abstract int getCountInSection(int section);
        public abstract View getItemView(int section, int positionInSection, View convertView, ViewGroup parent);
    
    }
    

    3.CustomPinnedHeaderListViewAdapter.java

    package com.example.myapp.adapter;
    
    import android.content.Context;
    import android.util.Log;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.TextView;
    
    import com.example.myapp.R;
    
    import java.util.ArrayList;
    import java.util.List;
    import java.util.Random;
    
    /**
     * Created by zyr
     * DATE: 16-4-12
     * Time: 下午9:05
     * Email: yanru.zhang@renren-inc.com
     */
    public class CustomPinnedHeaderListViewAdapter extends CustomPinnedHeaderListViewBaseAdapter {
    
        private final static String TAG = "CusPHeaderLvAdapter";
    
        private Context mContext;
    
        private List<Section> sections = new ArrayList<>();
    
        private int counts;
    
        private int sectionCounts;
    
        private Random random;
    
        public final static int TYPE_SECTION_HEADER = 1;
    
        public final static int TYPE_SECTION_ITEM = 2;
    
        public final static int TYPE_SECTION_ITEM_COUNT = 3;//getViewTypeCount() > getItemViewType返回的值
    
        /*********************************************************************************************
         *
         * 构造函数
         *
         **********************************************************************************************/
    
        public CustomPinnedHeaderListViewAdapter(Context context){
            this.mContext = context;
            this.random = new Random();
            this.sectionCounts = 10;
    
            int position = 0;
            for(int i=0;i<sectionCounts;i++){
                Section section = new Section();
                int sectionItemCounts = random.nextInt(10) + 1;
                section.sectionItemCounts = sectionItemCounts;
                for(int j=0;j < sectionItemCounts;j++){
                    Item item;
                    if(j==0){
                        item = new Item(true,position,i,j,"section :" + i,"");
                    }else {
                        item = new Item(false,position,i,j,"section :" + i,"item :" + j);
                    }
                    section.items.add(item);
                    position++;
                }
                section.sectionId = i;
                section.sectionName = "section :" + i;
                counts = counts + section.sectionItemCounts;
                sections.add(section);
                Log.d(TAG,"----section id:" + section.sectionId + "   section counts:" + section.sectionItemCounts);
            }
        }
    
        @Override
        public int getCount() {
            return counts;
        }
    
        @Override
        public Object getItem(int position) {
            for(int i=0;i<sections.size();i++){
                Section section = sections.get(i);
                for(int j=0;j<section.sectionItemCounts;j++){
                    Item item = section.items.get(j);
                    if(item.position == position){
                        return item;
                    }
                }
            }
            Log.e(TAG,"!!!!!!!!!!!!!!!" + "no find item when getItem");
            return null;
        }
    
        @Override
        public long getItemId(int position) {
            return position;
        }
    
        @Override
        public int getViewTypeCount() {
            return TYPE_SECTION_ITEM_COUNT;
        }
    
        @Override
        public int getItemViewType(int position) {
            for(int i=0;i<sections.size();i++){
                Section section = sections.get(i);
                for(int j=0;j<section.sectionItemCounts;j++){
                    Item item = section.items.get(j);
                    if(item.position == position){
                        if(item.isSectionHeader){
                            return TYPE_SECTION_HEADER;
                        }else{
                            return TYPE_SECTION_ITEM;
                        }
                    }
                }
            }
            Log.e(TAG, "!!!!!!!!!!!!!!!" + "no find item when getItemViewType");
            return TYPE_SECTION_ITEM;
        }
    
        @Override
        public boolean isSectionHeader(int position) {
            for(int i=0;i<sections.size();i++){
                Section section = sections.get(i);
                for(int j=0;j<section.sectionItemCounts;j++){
                    Item item = section.items.get(j);
                    if(item.position == position){
                        if(item.isSectionHeader){
                            return true;
                        }else{
                            return false;
                        }
                    }
                }
            }
            Log.e(TAG, "!!!!!!!!!!!!!!!" + "no find item when isSectionHeader");
            return false;
        }
    
        @Override
        public int getSectionId(int position) {
            for(int i=0;i<sections.size();i++){
                Section section = sections.get(i);
                for(int j=0;j<section.sectionItemCounts;j++){
                    Item item = section.items.get(j);
                    if(item.position == position){
                        return item.sectionId;
                    }
                }
            }
            Log.e(TAG, "!!!!!!!!!!!!!!!" + "no find item when getSectionId");
            return -1;
        }
    
        @Override
        public int getSectionPosition(int sectionId) {
            for(int i=0;i<sections.size();i++){
                Section section = sections.get(sectionId);
                for(int j=0;j<section.sectionItemCounts;j++){
                    if(section.items.get(j).isSectionHeader){
                        return section.items.get(j).position;
                    }
                }
            }
            Log.e(TAG, "!!!!!!!!!!!!!!!" + "no find item when getSectionPosition");
            return -1;
        }
    
        @Override
        public View getSectionHeaderView(int section, View convertView, ViewGroup parent) {
            Log.d(TAG,"getSectionHeaderView section:" + section);
            SectionHeaderViewHolder sectionHeaderViewHolder;
            if(convertView == null){
                convertView = LayoutInflater.from(mContext).inflate(R.layout.custom_pinned_header_lv_section_header_layout,null);
                sectionHeaderViewHolder = new SectionHeaderViewHolder(convertView);
                convertView.setTag(sectionHeaderViewHolder);
            }else{
                sectionHeaderViewHolder = (SectionHeaderViewHolder)convertView.getTag();
            }
            Log.d(TAG,"getSectionHeaderView section:" + section);
            sectionHeaderViewHolder.sectionHeaderName.setText(sections.get(section).sectionName);
            return convertView;
        }
    
        @Override
        public int getSectionHeaderViewType(int section) {
            return 0;
        }
    
        @Override
        public int getPositionIdInSection(int position) {
            for(int i=0;i<sections.size();i++){
                Section section = sections.get(i);
                for(int j=0;j<section.sectionItemCounts;j++){
                    Item item = section.items.get(j);
                    if(item.position == position){
                        return item.positionInSection;
                    }
                }
            }
            Log.e(TAG, "!!!!!!!!!!!!!!!" + "no find item when getPositionIdInSection");
            return -1;
        }
    
        @Override
        public Object getItem(int section, int positionInSection) {
            return sections.get(section).items.get(positionInSection);
        }
    
        @Override
        public long getItemId(int section, int positionInSection) {
            return sections.get(section).items.get(positionInSection).position;
        }
    
        @Override
        public int getSectionCount() {
            return sectionCounts;
        }
    
        @Override
        public int getCountInSection(int section) {
            return sections.get(section).sectionItemCounts;
        }
    
        @Override
        public View getItemView(int section, int positionInSection, View convertView, ViewGroup parent) {
            Log.d(TAG,"getItemView section:" + section + "    positionInSection :" + positionInSection);
            ItemViewHolder itemViewHolder;
            if(convertView == null){
                convertView = LayoutInflater.from(mContext).inflate(R.layout.custom_pinned_header_lv_section_item_layout,null);
                itemViewHolder = new ItemViewHolder(convertView);
                convertView.setTag(itemViewHolder);
            }else{
                itemViewHolder = (ItemViewHolder)convertView.getTag();
            }
            itemViewHolder.itemName.setText("p:" + sections.get(section).items.get(positionInSection).position + "  s:" + section + "  " + sections.get(section).items.get(positionInSection).itemName);
            return convertView;
        }
    
        /*********************************************************************************************
         *
         * 内部类
         *
         **********************************************************************************************/
        class Item{
            public boolean isSectionHeader;
            public int position;
            public int sectionId;
            public int positionInSection;
            public String sectionName;
            public String itemName;
    
            public Item(boolean isSectionHeader,int position,int sectionId,int positionInSection,String sectionName,String itemName){
                this.isSectionHeader = isSectionHeader;
                this.position = position;
                this.sectionId = sectionId;
                this.positionInSection = positionInSection;
                this.sectionName = sectionName;
                this.itemName = itemName;
            }
        }
    
        class Section{
            public List<Item> items = new ArrayList<>();
            public int sectionId ;
            public String sectionName ;
            public int sectionItemCounts ;
        }
    
        class ItemViewHolder{
            public TextView itemName;
    
            public ItemViewHolder(View view){
                itemName = (TextView) view.findViewById(R.id.tv);
            }
        }
    
        class SectionHeaderViewHolder{
            public TextView sectionHeaderName;
    
            public SectionHeaderViewHolder(View view){
                sectionHeaderName = (TextView) view.findViewById(R.id.tv);
            }
        }
    
    }
    

    4.CustomPinnedHeaderListViewTestActivity.java

    package com.example.myapp.activity;
    
    import android.view.LayoutInflater;
    import android.view.View;
    import android.widget.AdapterView;
    
    import com.example.myapp.R;
    import com.example.myapp.adapter.CustomPinnedHeaderListViewAdapter;
    import com.example.myapp.util.Methods;
    import com.example.myapp.view.CustomPinnedHeaderListView;
    
    /**
     * Created by zyr
     * DATE: 16-4-13
     * Time: 下午2:25
     * Email: yanru.zhang@renren-inc.com
     */
    public class CustomPinnedHeaderListViewTestActivity extends BaseActivity{
    
        private CustomPinnedHeaderListView listView;
    
        private CustomPinnedHeaderListViewAdapter adapter;
    
        private View headerView;
    
        private View footerView;
    
        @Override
        protected void initView() {
            listView = (CustomPinnedHeaderListView)findViewById(R.id.lv);
            headerView = LayoutInflater.from(this).inflate(R.layout.cus_pinned_header_lv_header,null);
            footerView = LayoutInflater.from(this).inflate(R.layout.cus_pinned_header_lv_footer,null);
            listView.addHeaderView(headerView);
            listView.addFooterView(footerView);
            adapter = new CustomPinnedHeaderListViewAdapter(this);
            listView.setAdapter(adapter);
            listView.setOnMyItemClickListener(new CustomPinnedHeaderListView.MyOnItemClickListener() {
                @Override
                public void onSectionItemClick(AdapterView<?> adapterView, View view, int section, int position, long id) {
                    Methods.toast(CustomPinnedHeaderListViewTestActivity.this,"s:" + section + "    item:" + position);
                }
    
                @Override
                public void onSectionClick(AdapterView<?> adapterView, View view, int section, long id) {
                    Methods.toast(CustomPinnedHeaderListViewTestActivity.this,"s:" + section );
                }
    
                @Override
                public void onHeaderClick(AdapterView<?> adapterView, View view, int position, long id) {
                    Methods.toast(CustomPinnedHeaderListViewTestActivity.this,"header:" + position );
                }
    
                @Override
                public void onFooterClick(AdapterView<?

    > adapterView, View view, int position, long id) { Methods.toast(CustomPinnedHeaderListViewTestActivity.this,"footer:" + position); } }); } @Override protected int onSetContainerViewId() { return R.layout.activity_custom_pinned_header_lv; } @Override public void initListener() { } @Override public void onClick(View v) { } }

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  • 原文地址:https://www.cnblogs.com/claireyuancy/p/7352730.html
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