Android——Banner无限轮播图

compile 'com.youth.banner:banner:1.4.9'

compile 'com.github.bumptech.glide:glide:3.7.0'

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

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

</RelativeLayout>

package com.bawei.com.myapplication;

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 List<String> list = new ArrayList<String>();
private Banner ban;
String path = "http://120.27.23.105/ad/getAd";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ban = (Banner) findViewById(R.id.ban);
MyTask myTask = new MyTask(path,ban);
myTask.execute();
}
}

package com.bawei.com.myapplication;

import android.os.AsyncTask;

import com.google.gson.Gson;
import com.youth.banner.Banner;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

/**
* Created by Wangrx on 2017/11/3.
*/

public class MyTask extends AsyncTask<String,Integer,String>{
private String path;

cb58
private Banner ban;
public MyTask(String path, Banner ban) {
this.path = path;
this.ban = ban;
}

@Override
protected String doInBackground(String... strings) {
try {
URL url = new URL(path);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setReadTimeout(5000);
connection.setConnectTimeout(5000);
int responseCode = connection.getResponseCode();
if (responseCode == 200){
InputStream inputStream = connection.getInputStream();
String s = setToString(inputStream, "utf-8");
return s;
}

} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}

@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Gson gson = new Gson();
JsonRootBean bean = gson.fromJson(s, JsonRootBean.class);
List<Data> data = bean.getData();
ArrayList<String> list = new ArrayList<>();
for (Data array:data) {

list.add(array.getIcon());
}

ban.setImageLoader(new ImgApp());//引用ImgApp,加载里面的东西
ban.setImages(list);
ban.isAutoPlay(true);
ban.setDelayTime(2000);
ban.start();

}

public String setToString(InputStream inputStream, String charset){
InputStreamReader inputStreamReader = null;
try {
inputStreamReader = new InputStreamReader(inputStream,charset);
BufferedReader reader = new BufferedReader(inputStreamReader);
String s;
StringBuilder builder = new StringBuilder();
while ((s=reader.readLine())!=null){
builder.append(s);
}
reader.close();
return builder.toString();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

return null;
}
}

package com.bawei.com.myapplication;

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

import com.bumptech.glide.Glide;
import com.youth.banner.loader.ImageLoader;

/**
* Created by Wangrx on 2017/11/3.
*/

public class ImgApp extends ImageLoader {
@Override
public void displayImage(Context context, Object path, ImageView imageView) {
Glide.with(context).load(path).into(imageView);
}
}