Step 1.依赖banner
Gradle
dependencies{
compile 'com.youth.banner:banner:2.1.0'
}
Step 2.添加权限到你的 AndroidManifest.xml
Step 3.在布局文件中添加Banner，可以设置自定义属性
！！！此步骤可以省略，可以直接在Activity或者Fragment中new Banner();
有时候banner不显示 是因为height要设置一个固定值
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/banner"
android:layout_width="match_parent"
android:layout_height="高度自己设置" />
1.简单的图片展示
public class IMGBean {
public IMGBean(int imageRes) {
this.imageRes = imageRes;
}
public int imageRes;
public int getImageRes() {
return imageRes;
}
public void setImageRes(int imageRes) {
this.imageRes = imageRes;
}
public static List getData() {
List list = new ArrayList<>();
list.add(new IMGBean(R.mipmap.fta_ad1));
list.add(new IMGBean(R.mipmap.fta_ad2));
return list;
}
}
private void initBanner() {
mBanner.setAdapter(new BannerImageAdapter(IMGBean.getData()) {
@Override
public void onBindView(BannerImageHolder holder, IMGBean data, int position, int size) {
//图片加载自己实现
RoundedCorners roundedCorners = new RoundedCorners(10);
RequestOptions options = RequestOptions.bitmapTransform(roundedCorners);
Glide.with(holder.itemView).load(data.imageRes).apply(options).into(holder.imageView);
}
})
.addBannerLifecycleObserver(this)//添加生命周期观察者
.setIndicator(new CircleIndicator(getActivity()));
//更多使用方法仔细阅读文档，或者查看demo
}
2.网络获取的List 数据结合使用 我这里用MMM.BBB代替JavaBean对象
~~1.定义Adapter
public class MyBannerAdapter extends BannerAdapter {
public MyBannerAdapter(List datas) {
super(datas);
}
@Override
public BannerViewHolder onCreateHolder(ViewGroup parent, int viewType) {
ImageView imageView = new ImageView(parent.getContext());
//注意，必须设置为match_parent，这个是viewpager2强制要求的
ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT);
imageView.setLayoutParams(params);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
return new BannerViewHolder(imageView);
}
@Override
public void onBindView(BannerViewHolder holder, MMM.BBB data, int position, int size) {
RoundedCorners roundedCorners = new RoundedCorners(10);
RequestOptions options = RequestOptions.bitmapTransform(roundedCorners);
Glide.with(holder.itemView).load(data.getOguyEkaJ()).apply(options).into(holder.imageView);
// holder.imageView.setImageResource(data.getOguyEkaJ());
//设置点击事件
holder.imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.e("tttttttt",data.getXODHXxeB()+"");
}
});
}
class BannerViewHolder extends RecyclerView.ViewHolder {
ImageView imageView;
public BannerViewHolder(@NonNull ImageView view) {
super(view);
this.imageView = view;
}
}
}
2.设置
mBanner.setAdapter(new MyBannerAdapter(data))
.addBannerLifecycleObserver(this)//添加生命周期观察者
.setIndicator(new CircleIndicator(getActivity()));
本文地址：https://blog.csdn.net/ulddfhv/article/details/109365907
