Banner 网络图片无限轮播 ImageLoader

1---添加依赖  compile 'com.youth.banner:banner:1.4.9' //Banner最新版本

compile  'com.nostra13.universalimageloader:universal-image-loader:1.9.5'//imageloader依赖

 2--- 添加权限<uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />3---添加布局<com.youth.banner.Banner  xmlns:app="http://schemas.android.com/apk/res-auto"  android:id="@+id/banner"  android:layout_width="match_parent"  android:layout_height="200dp" />4--Mapp代码（之后再权限页面加一个   android:name=".mapp"）importandroid.app.Application;

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

public class mapp extends Application{
@Override
public void onCreate() {
super.onCreate();
ImageLoaderConfiguration configuration = new ImageLoaderConfiguration.Builder(this).build();
ImageLoader.getInstance().init(configuration);
}
}

主页面：

package com.example.myapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import com.youth.banner.Banner;
import com.youth.banner.loader.ImageLoaderInterface;

import java.util.ArrayList;
import java.util.Arrays;

public class MainActivity extends AppCompatActivity {
private Banner banner;
String[] urls = {"http://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://lh3.googleusercontent.com/--L0Km39l5J8/URquXHGcdNI/AAAAAAAAAbs/3ZrSJNrSomQ/s160-c/Antelope%252520Butte.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"};
ArrayList<String> list = new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Banner banner = (Banner) findViewById(R.id.banner);
banner.setImageLoader((ImageLoaderInterface) new BannerImageLoader());
banner.setImages(Arrays.asList(urls));
banner.start();
}
}

BannerImageLoader页面：

package com.example.myapplication;import android.content.Context;import android.widget.ImageView;import com.youth.banner.loader.ImageLoader;public class BannerImageLoader extends ImageLoader {@Overridepublic void displayImage(Context context, Object obj, ImageView imageView) {com.nostra13.universalimageloader.core.ImageLoader imageLoaderInstance = com.nostra13.universalimageloader.core.ImageLoader.getInstance();imageLoaderInstance.displayImage((String) obj, imageView);}}