package com.example.yibu;

import java.io.BufferedInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.URL;

import javax.net.ssl.HttpsURLConnection;

import android.annotation.SuppressLint;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.os.Handler;

import android.os.Message;

import android.widget.ImageView;

//多线程

public class imageLoader {

private ImageView mImageView;

@SuppressLint("HandlerLeak")

private Handler mHandler = new Handler() {

public void handleMessage(Message msg) {

super.handleMessage(msg);

mImageView.setImageBitmap((Bitmap) msg.obj);

}

};

public void showImageByThread(ImageView imageView, final String urlsString) {

mImageView = imageView;

new Thread() {

@Override

public void run() {

super.run();

// 图像加载方法

Bitmap bitmap ;

bitmap= getBitmapFromURL(urlsString);

// 发送出去让handler处理

Message message = Message.obtain();

message.obj = bitmap;

mHandler.sendMessage(message);

}

}.start();

}

public Bitmap getBitmapFromURL(String urlString) {

Bitmap bitmap;

InputStream is = null ;

URL url;

try {

url = new URL(urlString);

HttpsURLConnection connection = (HttpsURLConnection) url

.openConnection();

is = new BufferedInputStream(connection.getInputStream());

bitmap = BitmapFactory.decodeStream(is);

connection.disconnect();

return bitmap;

} catch (java.io.IOException e) {

e.printStackTrace();

} 

finally {

try {

is.close();

} catch (IOException e) {

e.printStackTrace();

}

}

return null;

}

}