如何寫一個通用的列表控件

貼完整的類

public class RefreshLayout extends RelativeLayout {
    public final static int LISTMODE_RECYCLER = 0;
    public final static int LISTMODE_LISTVIEW_OR_GRIDVIEW = 1;
    SwipeRefreshLayout mSwipeRefreshLayout;
    ListView mListView;
    Context mContext;
    BAdapter adapter;
    RefreshListener mRefreshListener;
    LoadMoreListener mLoadMoreListener;
    AbsListView.OnScrollListener mScrollListener;
    View mFailureView;
    NoDataLayout mNoDataView;
    boolean isLoadMore = false;
    boolean hasMoreData = false;
    boolean loadMoreEnable = true;
    FooterLayout mLoadMoreView;
    public int LISTMODE = LISTMODE_LISTVIEW_OR_GRIDVIEW;
    String noDataLable = "", noDataLable2 = "";
    int noDataImg = R.drawable.img_no_message;

    private void init() {
        mSwipeRefreshLayout = new SwipeRefreshLayout(mContext);
        addView(mSwipeRefreshLayout, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        mListView = new ListView(mContext);
        mListView.setDivider(new BitmapDrawable());
        mListView.setSelector(new BitmapDrawable());
        mListView.setDividerHeight(0);
        mListView.setOverScrollMode(View.OVER_SCROLL_NEVER);
        mSwipeRefreshLayout.addView(mListView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        mSwipeRefreshLayout.setColorSchemeColors(0xffff2500);
        mSwipeRefreshLayout.setOnRefreshListener(() ->
                {
                    isLoadMore = false;
                    if (mRefreshListener != null) {
                        mRefreshListener.onRefresh();
                    }
                }
        );
        mFailureView = LayoutInflater.from(mContext).inflate(R.layout.bad_network, null);
        mFailureView.findViewById(R.id.reload).setOnClickListener((v) -> {
            mFailureView.setVisibility(View.GONE);
            mSwipeRefreshLayout.setRefreshing(true);
            mSwipeRefreshLayout.setProgressViewOffset(false, 0, DensityUtils.dp2px(mContext, 50));
            if (mRefreshListener != null) {
                mRefreshListener.onRefresh();
            }
        });
        mNoDataView = new SimpleNoDataLayout(mContext);
        addView(mNoDataView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        mNoDataView.setVisibility(View.GONE);
        addView(mFailureView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));

        mLoadMoreView = new FooterLoadingLayout(mContext);
        AbsListView.LayoutParams params = new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, DensityUtils.dp2px(mContext, 40));
        mLoadMoreView.setAddLayoutParams(params);
        mListView.addFooterView(mLoadMoreView.getFooterView(), null, false);
    }

    public RefreshLayout refreshEnable(boolean enable) {
        mSwipeRefreshLayout.removeView(mListView);
        removeView(mSwipeRefreshLayout);
        removeView(mListView);
        if (enable) {
            addView(mSwipeRefreshLayout, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
            mSwipeRefreshLayout.addView(mListView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        } else {
            addView(mListView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        }
        return this;
    }

    public RefreshLayout ListMode(int mode) {
        this.LISTMODE = mode;
        return this;
    }

    /*
    *手動調用刷新
    *@author 耿
    *@date 2016/9/8 15:06
    */
    public void doRefresh() {
        if (mRefreshListener == null) {
            return;
        }
        mSwipeRefreshLayout.setProgressViewOffset(false, 0, DensityUtils.dp2px(mContext, 10));
        mSwipeRefreshLayout.setRefreshing(true);
        if (mRefreshListener != null) {
            mRefreshListener.onRefresh();
        }
    }

    //刷新完成添加列表數據
    public void refreshComplete(List list) {
        adapter.appendList(list);
        mSwipeRefreshLayout.setRefreshing(false);
        mNoDataView.setVisibility(View.GONE);
        if (list.size() == 0) {
            if (loadMoreEnable) {
                mLoadMoreView.onReset();
            }
            if (mNoDataView != null)
                mNoDataView.setVisibility(View.VISIBLE);
        }
    }

    //設置無數據時界面
    public RefreshLayout noDataView(NoDataLayout view) {
        removeView(mNoDataView);
        mNoDataView = view;
        mNoDataView.setLableText(noDataLable);
        mNoDataView.setLable2Text(noDataLable2);
        mNoDataView.setImageDrawable(noDataImg);
        addView(mNoDataView, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        mNoDataView.setVisibility(View.GONE);
        return this;
    }

    //設置無數據時提示文本
    public RefreshLayout noDataLable(String str) {
        noDataLable = str;
        mNoDataView.setLableText(str);
        return this;
    }

    //設置無數據時第二行提示文本
    public RefreshLayout noDataLable2(String str) {
        noDataLable2 = str;
        mNoDataView.setLable2Text(str);
        return this;
    }

    //設置無數據時圖片
    public RefreshLayout noDataImg(int resId) {
        noDataImg = resId;
        mNoDataView.setImageDrawable(resId);
        return this;
    }

    //加載更多完成後添加數據
    public void loadMoreComplete(List list) {
        adapter.addList(list);
        isLoadMore = false;
    }

    //數據請求失敗調用
    public void Failure() {
        mSwipeRefreshLayout.setRefreshing(false);
        if (!isLoadMore) {
            adapter.getList().clear();
            adapter.notifyDataChanged();
            mFailureView.findViewById(R.id.bad_network).setVisibility(View.VISIBLE);
        } else {
            hasMoreData = false;
            isLoadMore = false;
            mLoadMoreView.onRefreshFailure();
        }

    }

    //添加自定義沒有數據時的界面
    public RefreshLayout addNoDataView(NoDataLayout v) {
        mNoDataView = v;
        return this;
    }

    //添加自定義加載更多界面
    public RefreshLayout FooterLayout(FooterLayout layout) {
        mLoadMoreView = layout;
        return this;
    }

    //是否允許控件加載更多
    public RefreshLayout loadMoreEnable(boolean b) {
        loadMoreEnable = b;
        if (!loadMoreEnable) {
            mListView.removeFooterView(mLoadMoreView.getFooterView());
        }
        return this;
    }

    public BAdapter getAdapter() {
        return this.adapter;
    }

    public List getList() {
        return this.adapter.getList();
    }

    //某次請求後。是否有更多數據需要加載
    public void hasMoreData(boolean b) {
        if (!loadMoreEnable)
            return;
        hasMoreData = b;
        isLoadMore = false;
        mLoadMoreView.onReset();
        if (!hasMoreData) {
            mLoadMoreView.onNoMoreData();
        } else {
            mListView.setOnScrollListener(new AbsListView.OnScrollListener() {
                @Override
                public void onScrollStateChanged(AbsListView absListView, int newState) {
                    if (loadMoreEnable && hasMoreData && !isLoadMore) {
                        if (newState == ListView.OnScrollListener.SCROLL_STATE_IDLE
                                || newState == ListView.OnScrollListener.SCROLL_STATE_FLING) {
                            if (isLastItemVisible()) {
                                if (mLoadMoreListener != null) {
                                    mLoadMoreListener.LoadMore();
                                    mLoadMoreView.onRefreshing();
                                    isLoadMore = true;
                                }
                            }
                        }
                    }

                    if (null != mScrollListener) {
                        mScrollListener.onScrollStateChanged(absListView, newState);
                    }
                }

                @Override
                public void onScroll(AbsListView absListView, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
                    if (null != mScrollListener) {
                        mScrollListener.onScroll(absListView, firstVisibleItem, visibleItemCount, totalItemCount);
                    }
                }

            });
        }
    }


    private boolean isLastItemVisible() {
        final Adapter adapter = mListView.getAdapter();

        if (null == adapter || adapter.isEmpty()) {
            return true;
        }

        final int lastItemPosition = adapter.getCount() - 1;
        final int lastVisiblePosition = mListView.getLastVisiblePosition();

        /**
         * This check should really just be: lastVisiblePosition == lastItemPosition, but ListView
         * internally uses a FooterView which messes the positions up. For me we'll just subtract
         * one to account for it and rely on the inner condition which checks getBottom().
         */
        if (lastVisiblePosition >= lastItemPosition - 1) {
            final int childIndex = lastVisiblePosition - mListView.getFirstVisiblePosition();
            final int childCount = mListView.getChildCount();
            final int index = Math.min(childIndex, childCount - 1);
            final View lastVisibleChild = mListView.getChildAt(index);
            if (lastVisibleChild != null) {
                return lastVisibleChild.getBottom() <= mListView.getBottom();
            }
        }

        return false;
    }

    //下拉刷新回調
    public RefreshLayout Refresh(RefreshListener refreshListener) {
        mRefreshListener = refreshListener;
        return this;
    }

    //添加listview滾動監聽
    public RefreshLayout OnListViewScrollListener(AbsListView.OnScrollListener scrollListener) {
        mScrollListener = scrollListener;
        return this;
    }

    //加載更多回調
    public RefreshLayout LoadMore(LoadMoreListener loadMoreListener) {
        mLoadMoreListener = loadMoreListener;
        return this;
    }

    //設置適配器
    public RefreshLayout setAdapter(BAdapter adapter) {
        this.adapter = adapter;
        mListView.setAdapter((BaseAdapter) adapter.getAdapter());
        return this;
    }

    public RefreshLayout(Context context) {
        this(context, null);
    }

    public RefreshLayout(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public RefreshLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        mContext = context;
        init();
    }
}

這個類直接拷貝是不可以運行的，因為裡面有幾個實現類我沒有貼，主要拷貝過去也不會完全適合你的項目，所以看看思路就好，相信大家可以根據 這個思路寫出適合自己項目的列表控件的
實在想要現成的源碼的可以私聊我
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