此处为显示的布局：
<LinearLayout xmlns:android= http://schemas.android.com/apk/res/android
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent" >
<android.support.v4.view.ViewPager
android:id="@+id/navigation_page"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
<LinearLayout
android:id="@+id/viewGroup"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="40dp"
android:gravity="center_horizontal"
android:orientation="horizontal" >
</LinearLayout>
</RelativeLayout>
此处为ViewPager中显示的布局:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android= http://schemas.android.com/apk/res/android
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ImageView
android:id="@+id/img_navigation_page"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="fitXY"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ImageView
android:id="@+id/img_cancel"
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_alignParentRight="true"
android:src="@drawable/ic_btn_chat_text" />
<Button
android:id="@+id/btn_enter"
android:layout_width="80dp"
android:layout_height="30dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="80dp"
android:background="@drawable/invite_btn_bg"
android:text="@string/trend_navigation"
android:textColor="@color/red"
android:textSize="15sp"
android:visibility="invisible" />
</RelativeLayout>
代码部分：
/* 装分页显示的view的数组 /
private ArrayList<View> pageViews;
private ImageView imageView;
/** 将小圆点的图片用数组表示 */
private ImageView[] imageViews;
// 包裹小圆点的LinearLayout
private LinearLayout mViewPoints;
//初始化要显示的页面，添加到view集合中
private void init(Context context) {
// 将要分页显示的View装入数组中
pageViews = new ArrayList<View>();
pageViews.add(inflater.inflate(R.layout.trend_descript_navigation_item,
null));
pageViews.add(inflater.inflate(R.layout.trend_descript_navigation_item,
null));
pageViews.add(inflater.inflate(R.layout.trend_descript_navigation_item,
null));
pageViews.add(inflater.inflate(R.layout.trend_descript_navigation_item,
null));
pageViews.add(inflater.inflate(R.layout.trend_descript_navigation_item,
null));
pageViews.add(inflater.inflate(R.layout.trend_descript_navigation_item,
null));
}
//初始化显示的控件，有viewpager和显示导航点的linearlayout
private void initView(Context context,View v) {
// 创建imageviews数组，大小是要显示的图片的数量
imageViews = new ImageView[pageViews.size()];
// 实例化小圆点的linearLayout和viewpager
mViewPoints = (LinearLayout) v.findViewById(R.id.viewGroup);
mViewPager = (ViewPager) v.findViewById(R.id.navigation_page);
// 添加小圆点的图片
for (int i = 0; i < pageViews.size(); i++) {
imageView = new ImageView(context);
// 设置小圆点imageview的参数
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
10, 10);
layoutParams.setMargins(5, 0, 5, 0);
imageView.setLayoutParams(layoutParams);// 创建一个宽高均为20 的布局
// 将小圆点layout添加到数组中
imageViews[i] = imageView;
// 默认选中的是第一张图片，此时第一个小圆点是选中状态，其他不是
if (i == 0) {
imageViews[i]
.setBackgroundResource(R.drawable.indicator_normal_pressed);
} else {
imageViews[i]
.setBackgroundResource(R.drawable.indicator_normal);
}
// 将imageviews添加到小圆点视图组
mViewPoints.addView(imageViews[i]);
}
// 设置viewpager的适配器和监听事件
mViewPager.setAdapter(new NavigationPageAdapter());
mViewPager.setOnPageChangeListener(new NavigationPageChangeListener());
}
//设置要显示的pageradapter类
private class NavigationPageAdapter extends PagerAdapter {
// 销毁position位置的界面
@Override
public void destroyItem(View v, int position, Object arg2) {
((ViewPager) v).removeView((View) arg2);
}
// 获取当前窗体界面数
@Override
public int getCount() {
return pageViews.size();
}
// 初始化position位置的界面
@Override
public Object instantiateItem(View v, int position) {
View contentView = pageViews.get(position);
/**
*显示页面的相关操作
**/
((ViewPager) v).addView(contentView, 0);
return pageViews.get(position);
}
@Override
public boolean isViewFromObject(View v, Object arg1) {
return v == arg1;
}
@Override
public void startUpdate(View arg0) {
}
@Override
public int getItemPosition(Object object) {
return super.getItemPosition(object);
}
}
//设置viewpager滑动的事件，实现导航点的滚动
private class NavigationPageChangeListener implements OnPageChangeListener {
@Override
public void onPageScrollStateChanged(int arg0) {
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageSelected(int position) {
for (int i = 0; i < imageViews.length; i++) {
imageViews[position]
.setBackgroundResource(R.drawable.indicator_normal_pressed);
// 不是当前选中的page，其小圆点设置为未选中的状态
if (position != i) {
imageViews[i]
.setBackgroundResource(R.drawable.indicator_normal);
}
}
}
}
