MainActivity:
private ViewPager pager_splash_ad;
private pageAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
pager_splash_ad = (ViewPager) findViewById(R.id.pager_splash_ad);
List<View> views = new ArrayList<View>();
View view = LayoutInflater.from(this).inflate(
R.layout.pagecell, null);
ImageView iv_ad = (ImageView) view.findViewById(R.id.iv_ad);
iv_ad.setImageResource(R.drawable.tt);
views.add(view);
View view1 = LayoutInflater.from(this).inflate(
R.layout.pagecell, null);
ImageView iv_ad1 = (ImageView) view1.findViewById(R.id.iv_ad);
iv_ad1.setImageResource(R.drawable.ww);
views.add(view1);
View view2 = LayoutInflater.from(this).inflate(
R.layout.pagecell, null);
ImageView iv_ad2 = (ImageView) view2.findViewById(R.id.iv_ad);
iv_ad2.setImageResource(R.drawable.jj);
views.add(view2);
adapter = new pageAdapter(views);
pager_splash_ad.setAdapter(adapter);
}
MainActivity layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res/com.example.pagerdemo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent" >
<android.support.v4.view.ViewPager
android:id="@+id/pager_splash_ad"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</android.support.v4.view.ViewPager>
</FrameLayout>
</LinearLayout>
pagecell layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ImageView
android:id="@+id/iv_ad"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
PagerAdapter class:
public class pageAdapter extends PagerAdapter {
private List<View> mListViews;
public pageAdapter(List<View> mListViews){
this.mListViews = mListViews;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return mListViews == null ? 0 : mListViews.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
// TODO Auto-generated method stub
return arg0==arg1;//官方提示这样写
}
public void destroyItem(ViewGroup container,int position,Object object){
container.removeView(mListViews.get(position));
}
public Object instantiateItem(ViewGroup container,int position){
container.addView(mListViews.get(position), 0);
return mListViews.get(position);
}
}