banner轮播

//activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    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="com.example.banner.MainActivity">

    <com.youth.banner.Banner
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:id="@+id/banner"
        ></com.youth.banner.Banner>

</RelativeLayout>

//MainActivity

package com.example.banner;

import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import com.youth.banner.Banner;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private Banner banner;
    private List<String> list=new ArrayList<String>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        banner = (Banner) findViewById(R.id.banner);

        list.add("http://www.93.gov.cn/11002/upload/webcms/content/image/2017/10/15/14_56_29_117_12420_01.jpg");
        list.add("http://www.93.gov.cn/11002/upload/webcms/content/image/2017/10/09/14_11_02_821_12967_01.jpg");
        list.add("http://www.93.gov.cn/11002/upload/webcms/content/image/2017/09/27/08_57_48_840_53302_01.jpg");
        list.add("http://www.93.gov.cn/11002/upload/webcms/content/image/2017/09/20/09_11_17_163_37240_01111.jpg");
        list.add("http://www.93.gov.cn/11002/upload/webcms/content/image/2017/09/21/11_12_58_489_41459_20170914093742676.jpg");
        //设置图片加载器
        banner.setImageLoader(new MImage());
        //设置含有图片路径的集合
        banner.setImages(list);
        //设置延迟时间
        banner.setDelayTime(3000);
        //是否自动轮播
        banner.isAutoPlay(true);
        //开启
        banner.start();

    }
}

//MImage

package com.example.banner;

import android.content.Context;
import android.widget.ImageView;

import com.youth.banner.loader.ImageLoader;

/**
 * Created by 123 on 2017/10/23.
 */

public class MImage extends ImageLoader{
    @Override
    public void displayImage(Context context, Object path, ImageView imageView) {

        com.nostra13.universalimageloader.core.ImageLoader instance = com.nostra13.universalimageloader.core.ImageLoader.getInstance();
        instance.displayImage((String) path, imageView);
    }
}

//MyApplication

package com.example.banner;

import android.app.Application;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

/**
 * Created by 123 on 2017/10/23.
 */

public class MyApplication extends Application{

    @Override
    public void onCreate() {
        super.onCreate();
        ImageLoaderConfiguration imageLoaderConfiguration=new ImageLoaderConfiguration.Builder(this).build();

        ImageLoader.getInstance().init(imageLoaderConfiguration);

    }
}

//包，权限

universal-image-loader-1.9.5.jar
gson-2.2.4.jar
design包
联网
.name