## ViewPager 的简单使用使用 ##
# ViewPager布局 #
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/vp_guide"
/>
</RelativeLayout>
没啥好讲的！一个简单的布局
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ViewPager vp_guide = (ViewPager) findViewById(R.id.vp_guide);
找到控制ID
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vp_guide.setAdapter(new GuideAdapter());
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创建引导图设置
private int[] mImageIds=new int[]{R.drawable.guide_1,
R.drawable.guide_2,R.drawable.guide_3};
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初始化图片资源的数据
public void initDate(){
mImageViewList = new ArrayList<>();
for (int i=0;i<mImageIds.length;i++){
ImageView view=new ImageView(this);
view.setBackgroundResource(mImageIds[i]);
mImageViewList.add(view);
}
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class GuideAdapter extends PagerAdapter{
@Override
//item的个数
public int getCount() {
return mImageViewList.size();
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view==object;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
//初始化item的布局
ImageView view = mImageViewList.get(position);
container.addView(view);
return view;
}
@Override
//销毁布局
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
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