Android程序开发之ListView实现横向滚动(带表头与固定列)

/** 
* 
* 带滑动表头与固定列的ListView 
*/ 
public class HListActivity extends Activity{ 
private ListView mListView; 
//方便测试，直接写的public 
public HorizontalScrollView mTouchView; 
//装入所有的HScrollView 
protected List<CHScrollView> mHScrollViews =new ArrayList<CHScrollView>(); 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
setContentView(R.layout.scroll); 
initViews(); 
} 
private void initViews() { 
List<Map<String, String>> datas = new ArrayList<Map<String,String>>(); 
Map<String, String> data = null; 
CHScrollView headerScroll = (CHScrollView) findViewById(R.id.item_scroll_title); 
//添加头滑动事件 
mHScrollViews.add(headerScroll); 
mListView = (ListView) findViewById(R.id.scroll_list); 
for(int i = 0; i < 100; i++) { 
data = new HashMap<String, String>(); 
data.put("title", "Title_" + i); 
data.put("data_" + 1, "Date_" + 1 + "_" +i ); 
data.put("data_" + 2, "Date_" + 2 + "_" +i ); 
data.put("data_" + 3, "Date_" + 3 + "_" +i ); 
data.put("data_" + 4, "Date_" + 4 + "_" +i ); 
data.put("data_" + 5, "Date_" + 5 + "_" +i ); 
data.put("data_" + 6, "Date_" + 6 + "_" +i ); 
datas.add(data); 
} 
SimpleAdapter adapter = new ScrollAdapter(this, datas, R.layout.item 
, new String[] { "title", "data_1", "data_2", "data_3", "data_4", "data_5", "data_6", } 
, new int[] { R.id.item_title 
, R.id.item_data1 
, R.id.item_data2 
, R.id.item_data3 
, R.id.item_data4 
, R.id.item_data5 
, R.id.item_data6 }); 
mListView.setAdapter(adapter); 
} 
public void addHViews(final CHScrollView hScrollView) { 
if(!mHScrollViews.isEmpty()) { 
int size = mHScrollViews.size(); 
CHScrollView scrollView = mHScrollViews.get(size - 1); 
final int scrollX = scrollView.getScrollX(); 
//第一次满屏后，向下滑动，有一条数据在开始时未加入 
if(scrollX != 0) { 
mListView.post(new Runnable() { 
@Override 
public void run() { 
//当listView刷新完成之后，把该条移动到最终位置 
hScrollView.scrollTo(scrollX, 0); 
} 
}); 
} 
} 
mHScrollViews.add(hScrollView); 
} 
public void onScrollChanged(int l, int t, int oldl, int oldt){ 
for(CHScrollView scrollView : mHScrollViews) { 
//防止重复滑动 
if(mTouchView != scrollView) 
scrollView.smoothScrollTo(l, t); 
} 
} 
class ScrollAdapter extends SimpleAdapter { 
private List<? extends Map<String, ?>> datas; 
private int res; 
private String[] from; 
private int[] to; 
private Context context; 
public ScrollAdapter(Context context, 
List<? extends Map<String, ?>> data, int resource, 
String[] from, int[] to) { 
super(context, data, resource, from, to); 
this.context = context; 
this.datas = data; 
this.res = resource; 
this.from = from; 
this.to = to; 
} 
@Override 
public View getView(int position, View convertView, ViewGroup parent) { 
View v = convertView; 
if(v == null) { 
v = LayoutInflater.from(context).inflate(res, null); 
//第一次初始化的时候装进来 
addHViews((CHScrollView) v.findViewById(R.id.item_scroll)); 
View[] views = new View[to.length]; 
for(int i = 0; i < to.length; i++) { 
View tv = v.findViewById(to[i]);; 
tv.setOnClickListener(clickListener); 
views[i] = tv; 
} 
v.setTag(views); 
} 
View[] holders = (View[]) v.getTag(); 
int len = holders.length; 
for(int i = 0 ; i < len; i++) { 
((TextView)holders[i]).setText(this.datas.get(position).get(from[i]).toString()); 
} 
return v; 
} 
} 
//测试点击的事件 
protected View.OnClickListener clickListener = new View.OnClickListener() { 
@Override 
public void onClick(View v) { 
Toast.makeText(HListActivity.this, ((TextView)v).getText(), Toast.LENGTH_SHORT).show(); 
} 
}; 
} 

/** 
* 滑动代码 
*/ 
public class CHScrollView extends HorizontalScrollView { 
HListActivity activity; 
public CHScrollView(Context context, AttributeSet attrs, int defStyle) { 
super(context, attrs, defStyle); 
activity = (HListActivity) context; 
} 
public CHScrollView(Context context, AttributeSet attrs) { 
super(context, attrs); 
activity = (HListActivity) context; 
} 
public CHScrollView(Context context) { 
super(context); 
activity = (HListActivity) context; 
} 
@Override 
public boolean onTouchEvent(MotionEvent ev) { 
//进行触摸赋值 
activity.mTouchView = this; 
return super.onTouchEvent(ev); 
} 
@Override 
protected void onScrollChanged(int l, int t, int oldl, int oldt) { 
//当当前的CHSCrollView被触摸时，滑动其它 
if(activity.mTouchView == this) { 
activity.onScrollChanged(l, t, oldl, oldt); 
}else{ 
super.onScrollChanged(l, t, oldl, oldt); 
} 
} 
}