Android-自定义类似excel表格，双向滑动的ListView

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效果图：
列表效果图
主要代码：
/** * Created by monty on 2017/8/31. */public class PanelListLayout extends FrameLayout {    private static final String TAG = PanelListLayout.class.getSimpleName();    @BindView(R.id.tv_title)    TextView tvTitle;    @BindView(R.id.lv_lineNumber)    ListView lvLineNumber;    @BindView(R.id.ll_tableHeader)    LinearLayout llTableHeader;    @BindView(R.id.lv_content)    ListView lvContent;    @BindView(R.id.swipeRefreshLayout)    RefreshLayout swipeRefreshLayout;    @BindView(R.id.ll_lineNumber)    LinearLayout llLineNumber;    private Context mContext;//    private BaseAdapter mAdapter;    /*说明：这里只可设置表头高度和行号宽度是因为表头的宽度和行号高度由ContentListView中的Item来决定，由调用者在ListView的Item布局中控制*/    private int tableHeaderHeight = 30; // 表头高度    private int lineNumberWidth = 30; // 行号宽度    private int tableHeaderBackgroundColor = 0xff00bcd4; // 表头背景颜色    private int tableHeaderTextColor = 0xffffffff; // 表头文本颜色    private int tableHeaderTextSize = 14; // 表头文本大小    private int lineNumberBackgroundColor = 0xff00bcd4; // 行号背景颜色    private int lineNumberTextColor = 0xffffffff; // 行号文本颜色    private int lineNumberTextSize = 14; // 行号文本大小    private List<String> tableHeaderTexts;    public PanelListLayout(Context context) {        this(context, null);    }    public PanelListLayout(Context context, AttributeSet attrs) {        this(context, attrs, 0);    }    public PanelListLayout(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        mContext = context;        inflate(getContext(), R.layout.panel_list_layout, this);        ButterKnife.bind(this);        initView();    }    private void initView() {        /* 去掉ListView滑动到头部或底部时的动画 */        lvLineNumber.setOverScrollMode(View.OVER_SCROLL_NEVER);        lvContent.setOverScrollMode(View.OVER_SCROLL_NEVER);        OnScrollListener onScrollListener = new OnScrollListener();        lvLineNumber.setOnScrollListener(onScrollListener);        lvContent.setOnScrollListener(onScrollListener);        /**         * 解决SwipeRefreshLayout中多层嵌套ListView下拉事件冲突问题         */        swipeRefreshLayout.setOnChildScrollUpCallback(new SwipeRefreshLayout.OnChildScrollUpCallback() {            @Override            public boolean canChildScrollUp(SwipeRefreshLayout parent, @Nullable View child) {                return ViewCompat.canScrollVertically(lvContent, -1);            }        });    }    public RefreshLayout getSwipeRefreshLayout() {        return swipeRefreshLayout;    }    /**     * 设置表头高度(单位：dp)     *     * @param height     */    public PanelListLayout setTableHeaderHeight(int height) {        this.tableHeaderHeight = height;        return this;    }    /**     * 设置行号宽度(单位：dp)     *     * @param width     */    public PanelListLayout setLineNumberWidth(int width) {        this.lineNumberWidth = width;        return this;    }    /**     * 设置表头背景颜色     *     * @param color     */    public PanelListLayout setTableHeaderBackgroundColor(int color) {        this.tableHeaderBackgroundColor = color;        return this;    }    /**     * 设置行号文本颜色     *     * @param color     * @return     */    public PanelListLayout setLineNumberTextColor(int color) {        this.lineNumberTextColor = color;        return this;    }    /**     * 设置行号文本颜色(单位：dp)     *     * @param textSize     * @return     */    public PanelListLayout setLineNumberTextSize(int textSize) {        this.lineNumberTextSize = DisplayUtil.dp2px(textSize);        return this;    }    /**     * 设置行号背景颜色     *     * @param color     * @return     */    public PanelListLayout setLineNumberBackgroundColor(int color) {        this.lineNumberBackgroundColor = color;        return this;    }    /**     * 设置表头文本     *     * @param text     * @return     */    public PanelListLayout setTableHeaderTexts(String... text) {        this.tableHeaderTexts = Arrays.asList(text);        return this;    }    /**     * 设置内容Adapter     *     * @param adapter     */    public void setAdapter(BaseAdapter adapter) {        if (adapter == null) {            throw new IllegalArgumentException("adapter is not allow to be null");        }//        this.mAdapter = adapter;        this.lvContent.setAdapter(adapter);        /****************************************         * 监听Adapter，当ListView中的内容发生改变时重新渲染(主要作用，第一次设置Adapter之后，没有数据的情况下，         * 从网络获取数据之后刷新Adapter之后需要重新绘制表头)         ****************************************/        adapter.registerDataSetObserver(new DataSetObserver() {            @Override            public void onChanged() {                Log("DataSetObserver ******** onChanged");                applyView();            }            @Override            public void onInvalidated() {                Log("DataSetObserver ******** onInvalidated");                super.onInvalidated();                applyView();            }        });        applyView();    }    /**     * ************************************核心代码**********************************     * <p>     * 填充表格     */    private void applyView() {        /*设置行号宽度*/        ViewGroup.LayoutParams layoutParams = llLineNumber.getLayoutParams();        layoutParams.width = lineNumberWidth;        this.lvContent.post(new Runnable() {            @Override            public void run() {                Log("post******************************");                View childItem = lvContent.getChildAt(lvContent.getFirstVisiblePosition());                Log("post**********填充行号*************");                applyLineNumberListView();                Log("post**********填充表头*************");                applyTableHeader(childItem);            }            /**             * 填充表头             * @param childItem             */            private void applyTableHeader(View childItem) {                llTableHeader.setBackgroundColor(tableHeaderBackgroundColor);                llTableHeader.getLayoutParams().height = tableHeaderHeight;                llTableHeader.setShowDividers(LinearLayout.SHOW_DIVIDER_MIDDLE | LinearLayout.SHOW_DIVIDER_BEGINNING);                llTableHeader.setDividerDrawable(ContextCompat.getDrawable(getContext(), R.drawable.row_item_divider));                tvTitle.getLayoutParams().height = llTableHeader.getLayoutParams().height;                LinearLayout contentItem = (LinearLayout) childItem;                llTableHeader.removeAllViews();                for (int i = 0; i < contentItem.getChildCount(); i++) {                    View v = contentItem.getChildAt(i);                    TextView textView = new TextView(mContext);                    //根据ContentListView的Item中列的宽度来动态设置表头宽度                    textView.setLayoutParams(new LinearLayout.LayoutParams(v.getWidth(), ViewGroup.LayoutParams.MATCH_PARENT));                    textView.setText(tableHeaderTexts.get(i));                    textView.setTextColor(tableHeaderTextColor);                    textView.setTextSize(tableHeaderTextSize);                    textView.setGravity(Gravity.CENTER);                    llTableHeader.addView(textView);                }            }            /**             * 填充行号             */            private void applyLineNumberListView() {                lvLineNumber.setAdapter(new LineNumberAdapter(lvContent.getCount()));            }        });    }    private class LineNumberAdapter extends BaseAdapter {        private int mLineNumberCount;        private String[] mLineNumbers;        public LineNumberAdapter(int lineNumberCount) {            this.mLineNumberCount = lineNumberCount;            this.mLineNumbers = generateLineNumbers();        }        @Override        public int getCount() {            return mLineNumbers.length;        }        @Nullable        @Override        public Object getItem(int position) {            return mLineNumbers[position];        }        @Override        public long getItemId(int position) {            return position;        }        @NonNull        @Override        public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {            View view;            if (convertView == null) {                view = LayoutInflater.from(mContext).inflate(android.R.layout.simple_list_item_1, parent, false);            } else {                view = convertView;            }            View contentItemView = lvContent.getAdapter().getView(position, null, lvContent);            if (contentItemView != null) { // 动态测量ContentListView中Item的高度，并将行号的高度与其保持一致                contentItemView.measure(0, 0);                view.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, contentItemView.getMeasuredHeight()));            }            TextView textView = (TextView) view;            textView.setBackgroundColor(lineNumberBackgroundColor);            textView.setText(this.mLineNumbers[position]);            textView.setTextColor(lineNumberTextColor);            textView.setTextSize(lineNumberTextSize);            textView.setPadding(0, 0, 0, 0);            textView.setGravity(Gravity.CENTER);            return view;        }        private String[] generateLineNumbers() {            String[] lineNumbers = new String[this.mLineNumberCount];            for (int i = 0; i < this.mLineNumberCount; i++) {                lineNumbers[i] = "" + (i + 1);            }            return lineNumbers;        }    }    private void Log(String log) {        Log.d(TAG, log);    }    public class OnScrollListener implements AbsListView.OnScrollListener {        private int scrollState;        @Override        public void onScrollStateChanged(AbsListView view, int scrollState) {            Log("onScrollStateChanged - scrollState -> " + scrollState);            this.scrollState = scrollState;        }        @Override        public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {            /*********************************************             * 解决无限同步LineNumberListView和ContentListView滚动位置的问题，SCROLL_STATE_IDLE是ListView滚动结束时的标记，             * 此处判断如果滚动结束了就不再进行同步，避免因为一直处于滚动状态而导致ListView的getView会一直调用的问题。             *********************************************/            if (scrollState == SCROLL_STATE_IDLE) {                return;            }            View subView = view.getChildAt(0);            if (subView != null) {                int top = subView.getTop();                if (view == lvContent) {                    lvLineNumber.setSelectionFromTop(firstVisibleItem, top);                } else {                    lvContent.setSelectionFromTop(firstVisibleItem, top);                }            }        }    }}
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