仿网易新闻客户端头条ViewPager嵌套实例

android:layout_
android:layout_
android:orientation="vertical" >
android:id="@+id/viewpager"
android:layout_
android:layout_ >

android:layout_
android:layout_
android:gravity="center"
android:orientation="vertical" > android:id="@+id/mylayout"
android:layout_
android:layout_ >
android:id="@+id/child_viewpager"
android:layout_
android:layout_
android:layout_above="@+id/testtextview" >

android:id="@+id/testtextview"
android:layout_
android:layout_
android:layout_alignParentBottom="true"
android:layout_centerHorizOntal="true"
android:layout_marginTop="10dp"
android:background="#999999"
android:padding="20dp"
android:textColor="@android:color/black" />

android:layout_
android:layout_
android:gravity="center"
android:orientation="vertical" >
android:layout_
android:layout_ >
android:id="@+id/imageview"
android:layout_
android:layout_
android:layout_centerHorizOntal="true"
android:background="@drawable/ic_launcher" />
android:id="@+id/textview"
android:layout_
android:layout_
android:layout_alignParentBottom="true"
android:layout_centerHorizOntal="true" />

public class MyLayout extends RelativeLayout
{
ViewPager child_viewpager;
float startX;
/**
* @param context
* @param attrs
*/
public MyLayout(Context context, AttributeSet attrs)
{
super(context, attrs);
}
//这里是关键
public boolean onInterceptTouchEvent(MotionEvent event)
{
int action = event.getAction();
switch (action)
{
case MotionEvent.ACTION_DOWN://按下
startX = event.getX();
getParent().requestDisallowInterceptTouchEvent(true);
break;
//滑动，在此对里层viewpager的第一页和最后一页滑动做处理
case MotionEvent.ACTION_MOVE:
if (startX == event.getX())
{
if (0 == child_viewpager.getCurrentItem()
|| child_viewpager.getCurrentItem() == child_viewpager
.getAdapter().getCount() - 1)
{
getParent().requestDisallowInterceptTouchEvent(false);
}
}
//里层viewpager已经是最后一页，此时继续向右滑（手指从右往左滑）
else if (startX > event.getX())
{
if (child_viewpager.getCurrentItem() == child_viewpager
.getAdapter().getCount() - 1)
{
getParent().requestDisallowInterceptTouchEvent(false);
}
}
//里层viewpager已经是第一页，此时继续向左滑（手指从左往右滑）
else if (startX {
if (child_viewpager.getCurrentItem() == 0)
{
getParent().requestDisallowInterceptTouchEvent(false);
}
} else
{
getParent().requestDisallowInterceptTouchEvent(true);
}
break;
case MotionEvent.ACTION_UP://抬起
case MotionEvent.ACTION_CANCEL:
getParent().requestDisallowInterceptTouchEvent(false);
break;
}
return false;
}
//注入里层viewpager
public void setChild_viewpager(ViewPager child_viewpager)
{
this.child_viewpager = child_viewpager;
}
}

public class TestViewpager extends Activity
{
private ViewPager viewpager;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.viewpager_layout);
viewpager = (ViewPager) findViewById(R.id.viewpager);
LayoutInflater inflater = LayoutInflater.from(this);
List list = new ArrayList();
View view = null, childView = null;
ViewPager child_viewpager;
TextView textview, testtextview;
List childlist = null;
MyLayout mylayout;
for (int i = 0; i <3; i++)
{
view = inflater.inflate(R.layout.child_viewpager_layout, null);
mylayout = (MyLayout) view.findViewById(R.id.mylayout);
testtextview = (TextView) view.findViewById(R.id.testtextview);
testtextview.setText("viewpager：" + i);
list.add(view);
child_viewpager = (ViewPager) view
.findViewById(R.id.child_viewpager);
//注入里层viewpager
mylayout.setChild_viewpager(child_viewpager);
childlist = new ArrayList();
for (int j = 0; j <3; j++)
{
childView = inflater.inflate(R.layout.child_viewpager_item,
null);
textview = (TextView) childView.findViewById(R.id.textview);
textview.setText("view" + i + "：" + j);
childlist.add(childView);
child_viewpager.setAdapter(new ViewPagerAdapter(childlist));
}
}
viewpager.setAdapter(new ViewPagerAdapter(list));
}
}