ScrollView嵌套ListView嵌套GridView的上下拉以及加载更多

ScrollView 效果

一个ScrollView 嵌套ListView 嵌套GridView的上拉加载更多，下拉刷新的demo。
主要是重写了GridView和LsitView中的onMeasure 方法。
写的比较简单，希望对初学者有帮助。

/***
* 主要思路是
* ScrollView 嵌套ListView 嵌套GridView的上拉加载更多，下拉刷新。
*
* 逻辑在适配器做了处理
*
* 我们只让ListView加载2个数据Item，第一个是item对象，第二个是一个对象
*
*/
public class MainActivity extends Activity implements OnHeaderRefreshListener,
OnFooterRefreshListener {

MyAdapter myAdapter;
// 自定义的GridView的上下拉动刷新
private PullToRefreshView mPullToRefreshView;
private MyListView listView;
private List<Integer> data;
private List<Integer> gridViewData;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mPullToRefreshView = (com.example.demo.PullToRefreshView) findViewById(R.id.main_pull_refresh_view);
listView = (MyListView) findViewById(R.id.gridView1);
myAdapter = new MyAdapter(this);
data = new ArrayList<Integer>();
gridViewData = new ArrayList<Integer>();
for (int i = 0; i < 2; i++) {
data.add(i);
}

for (int i = 0; i < 12; i++) {
if (i % 2 == 0) {
gridViewData.add(R.drawable.pic1);
} else {
gridViewData.add(R.drawable.pic2);
}

}
myAdapter.setData(data);
myAdapter.setGridViewData(gridViewData);
listView.setAdapter(myAdapter);

mPullToRefreshView.setOnHeaderRefreshListener(this);
mPullToRefreshView.setOnFooterRefreshListener(this);
mPullToRefreshView.setLastUpdated(new Date().toLocaleString());
}

@Override
public void onHeaderRefresh(PullToRefreshView view) {
mPullToRefreshView.postDelayed(new Runnable() {
@Override
public void run() {
mPullToRefreshView.onHeaderRefreshComplete("更新于:"
+ Calendar.getInstance().getTime().toLocaleString());
mPullToRefreshView.onHeaderRefreshComplete();

Toast.makeText(MainActivity.this, "数据刷新完成!", 0).show();
}

}, 3000);

}

@Override
public void onFooterRefresh(PullToRefreshView view) {
mPullToRefreshView.postDelayed(new Runnable() {

@Override
public void run() {
mPullToRefreshView.onFooterRefreshComplete();
gridViewData.add(R.drawable.pic1);
myAdapter.setGridViewData(gridViewData);
Toast.makeText(MainActivity.this, "加载更多数据!", 0).show();
}

}, 3000);

}

/**
*
* lsitView的适配器
*
* @author lyy
*
*/
public class MyAdapter extends BaseAdapter {
Context context;
private List<Integer> data;

/***
* listview item position==2
*
* GridView里面的数据
*
*/
private List<Integer> gridViewData;
private GridViewAdapter gridViewAdapter;

/** ListView 的数据 **/
public void setData(List<Integer> data) {
this.data = data;
this.notifyDataSetChanged();
}

/*** gridView的数据 **/

public void setGridViewData(List<Integer> gridViewData) {
this.gridViewData = gridViewData;

this.notifyDataSetChanged();

}

public MyAdapter(Context context) {
this.context = context;

}

@Override
public int getCount() {
// TODO Auto-generated method stub
return 2;
}

@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return data.get(position);
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {

if (position == 0) {

return listView();
} else {

return gridView();
}

}

public View listView() {
View view = null;
if (view == null) {
view = LayoutInflater.from(context).inflate(R.layout.item, null);
}

ImageView imageView1 = (ImageView) view.findViewById(R.id.imageView1);
return view;
}

public View gridView() {

View view = LayoutInflater.from(context).inflate(R.layout.item1, null);
GridView myGridView = (GridView) view.findViewById(R.id.gridView1);

if (gridViewAdapter == null)
gridViewAdapter = new GridViewAdapter(context);

gridViewAdapter.setData(gridViewData);
myGridView.setAdapter(gridViewAdapter);

myGridView.setOnItemClickListener(onItemClickListener);
return view;
}

private OnItemClickListener onItemClickListener = new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position,
long arg3) {
Toast.makeText(context, "你点击的是：" + position, 0).show();

}

};
}

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