双ListView显示数据

双ListView显示数据，宽度各占一半，高度不定形成错位视觉

Bug:
1、偶尔不能滑动

不足：
1、滑动到底部时不能继续同步滑动
2、没有下拉刷新和上拉加载功能

以下是核心代码

package com.zoipuus.doublelistview.views;

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;

import com.zoipuus.doublelistview.R;

/**
* Created by zoipuus on 2016/3/13.
* double listView
*/
public class DoubleListView extends LinearLayout {

private OnItemClickListener listener;
private ListView listLeft;
private ListView listRight;

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

public DoubleListView(Context context, AttributeSet attrs) {
super(context, attrs);
setupViews(context);
}

public void setAdapters(BaseAdapter adapter1, BaseAdapter adapter2) {
listLeft.setAdapter(adapter1);
listRight.setAdapter(adapter2);

setListViewOnTouchAndScrollListener(listLeft, listRight);
}

private void setupViews(Context context) {
LayoutInflater.from(context).inflate(R.layout.list_view_double, this);
listLeft = (ListView) findViewById(R.id.list_left);
listRight = (ListView) findViewById(R.id.list_right);
}

private void setOnItemClickListener(ListView listLeft, ListView listRight) {
setOnItemClickListener(listLeft);
setOnItemClickListener(listRight);
}

private void setOnItemClickListener(ListView listView) {
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (listener != null) {
listener.onItemClick(parent, view, position, id);
}
}
});
}

private void setListViewOnTouchAndScrollListener(ListView listLeft, ListView listRight) {
setScrollListener(listLeft, listRight);
setScrollListener(listRight, listLeft);
}

private void setScrollListener(final ListView listView1, final ListView listView2) {
listView1.setOnScrollListener(new AbsListView.OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
View subView = view.getChildAt(0);
if (subView != null) {
final int top = subView.getTop();
if (listView2.getChildAt(0) != null) {
final int firstVisibleItem = view.getFirstVisiblePosition();
if (top > 0) {
listView2.scrollTo(0, -top);
} else {
listView1.setSelectionFromTop(firstVisibleItem, top);
listView2.setSelectionFromTop(firstVisibleItem, top);
}
}
}
}

@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
View subView = view.getChildAt(0);
if (subView != null) {
final int top = subView.getTop();
if (listView2.getChildAt(0) != null) {
if (top > 0) {
listView2.scrollTo(0, -top);
} else {
listView1.setSelectionFromTop(firstVisibleItem, top);
listView2.setSelectionFromTop(firstVisibleItem, top);
}
}
}
}
});
}

public void setListener(OnItemClickListener listener) {
setOnItemClickListener(listLeft, listRight);
this.listener = listener;
}

public interface OnItemClickListener {
/**
* @param parent   listView
* @param view     Item
* @param position position of item int the listView
* @param id       position of the adapter
*/
void onItemClick(AdapterView<?> parent, View view, int position, long id);
}
}