Banner实现无限轮播

版权声明：橘子丶 https://blog.csdn.net/qq_43573190/article/details/85098138

布局

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <com.youth.banner.Banner
        android:id="@+id/banner"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></com.youth.banner.Banner>

</android.support.constraint.ConstraintLayout>

java代码

package com.example.kanghuwei20181219;

import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.youth.banner.Banner;

import java.util.ArrayList;
import java.util.Arrays;
/* *
 * @Data: 2018/12/19 15:20
 * @Author: 橘子有点甜丶
 * @Params: 
 * @File_name: MainActivity.java
 * */
public class MainActivity extends AppCompatActivity {
    private   String[] urls = {"https://img-my.csdn.net/uploads/201407/26/1406383265_8550.jpg",
            "https://lh4.googleusercontent.com/--dq8niRp7W4/URquVgmXvgI/AAAAAAAAAbs/-gnuLQfNnBA/s160-c/A%252520Song%252520of%252520Ice%252520and%252520Fire.jpg",
            "https://lh5.googleusercontent.com/-7qZeDtRKFKc/URquWZT1gOI/AAAAAAAAAbs/hqWgteyNXsg/s160-c/Another%252520Rockaway%252520Sunset.jpg",
            "https://img-my.csdn.net/uploads/201407/26/1406383265_8550.jpg",
            "https://lh6.googleusercontent.com/-8HO-4vIFnlw/URquZnsFgtI/AAAAAAAAAbs/WT8jViTF7vw/s160-c/Antelope%252520Hallway.jpg",
            "https://lh4.googleusercontent.com/-WIuWgVcU3Qw/URqubRVcj4I/AAAAAAAAAbs/YvbwgGjwdIQ/s160-c/Antelope%252520Walls.jpg"};
    private Banner banner;

   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        banner = findViewById(R.id.banner);
        final ImageLoader instance = ImageLoader.getInstance();
        /* *
         * 给banner添加显示图片的框架
         * 可以给imageloader,glide,fressro
         * */
        banner.setImageLoader(new com.youth.banner.loader.ImageLoader() {
            @Override
            public void displayImage(Context context, Object path, ImageView imageView) {
                instance.displayImage((String) path,imageView);
            }
        });
        //给轮播图设置图片
        banner.setImages(Arrays.asList(urls));
        //让轮播图开始轮播
        banner.start();
    }
}