请求图片
相关服务：菲律宾服务器租用
package com.example.day01_demo_a; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Handler; import android.os.Message; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageView; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; public class MainActivity extends AppCompatActivity { //ctrl+alt+f 变为成员变量 private Button btnDown; private ImageView img; private Handler mHandler=new Handler(){ @Override public void handleMessage(Message msg) { //super.handleMessage(msg); Bitmap bit = (Bitmap) msg.obj; img.setImageBitmap(bit); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //alt+enter 导包 btnDown = findViewById(R.id.btn_down); img = findViewById(R.id.img); btnDown.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //访问网络，获取图片 new Thread(){ @Override public void run() { requestNetData(); } }.start(); } }); } private void requestNetData() { //ctrl+alt+t 生成try...catch...块 try { //1.创建URL URL url=new URL("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1523341929854&di=06c172116bfe5f05237691c575536d80&imgtype=0&src=http%3A%2F%2Fpic112.nipic.com%2Ffile%2F20160918%2F20897729_085852947000_2.jpg"); //2.打开连接 HttpURLConnection 是 URLConnection 的子类 HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection(); //3.进行设置 urlConnection.setRequestMethod("GET");//请求方式 GET要大写 urlConnection.setReadTimeout(5000);//设置读取超时时间 urlConnection.setConnectTimeout(5000);//设置连接超时时间 //4.判断响应码 int responseCode = urlConnection.getResponseCode();//得到响应码 if(responseCode==200){//200代表成功 //5.获取服务器返回的数据 ----以流的形式返回的 InputStream inputStream = urlConnection.getInputStream(); //将流转换成一个bitmap对象 Bitmap bitmap = BitmapFactory.decodeStream(inputStream); //显示 //img.setImageBitmap(bitmap); Message msg=Message.obtain(); msg.obj=bitmap; mHandler.sendMessage(msg); //ctrl+y 删除一行 } } catch (Exception e) { e.printStackTrace(); } } }
package com.example.day01_demo_a; import java.util.List; /** * Created by jane on 2018/4/10. */ public class ResultData { /** * code : 200 * msg : success * newslist : [{"ctime":"2018-04-10 00:00","title":"40岁大姐假扮90后骗走情郎600万 警方公布嫌疑人照片","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p0.ifengimg.com/fck/2018_15/62a0e528a1be0e1_w640_h1097.jpg","url":"http://news.ifeng.com/a/20180410/57447229_0.shtml"},{"ctime":"2018-04-10 00:00","title":"老教授突然性情大变爱上恶作剧 原来是患了这种病","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p0.ifengimg.com/pmop/2018/0410/851A4AD80F48DD558C04F63FAECD81959C9BE28B_size90_w300_h399.jpeg","url":"http://news.ifeng.com/a/20180410/57441195_0.shtml"},{"ctime":"2018-04-10 00:00","title":"杜特尔特来博鳌，要帮10万菲律宾教师找工作","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p1.ifengimg.com/fck/2018_15/b24cf0188187e3a_w400_h320.jpg","url":"http://news.ifeng.com/a/20180410/57441287_0.shtml"},{"ctime":"2018-04-10 00:00","title":"广东：酒驾、闯红灯将影响贷款和买房","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p1.ifengimg.com/fck/2018_15/b24cf0188187e3a_w400_h320.jpg","url":"http://news.ifeng.com/a/20180410/57440944_0.shtml"},{"ctime":"2018-04-10 00:00","title":"乱！\u201c黑外教\u201d学历全造假 家长只认外国脸","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p1.ifengimg.com/fck/2018_15/b24cf0188187e3a_w400_h320.jpg","url":"http://news.ifeng.com/a/20180410/57439535_0.shtml"},{"ctime":"2018-04-09 00:00","title":"去世小夫妻遗留受精胚胎 4老人寻求代孕最终产子","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p3.ifengimg.com/a/2018_15/0323ae989c33ed2_size32_w640_h422.jpg","url":"http://news.ifeng.com/a/20180409/57438737_0.shtml"},{"ctime":"2018-04-10 00:00","title":"钱宝集资人非法维权内幕：血本无归后听信谣言","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p0.ifengimg.com/pmop/2018/0409/9161EF8F01C9703FEA9FE7285C6143428A27BE89_size73_w1080_h810.jpeg","url":"http://news.ifeng.com/a/20180410/57438901_0.shtml"},{"ctime":"2018-04-09 00:00","title":"妈妈女友同落水先救谁？高校女教师：先救女友违法","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p3.ifengimg.com/a/2018_15/0323ae989c33ed2_size32_w640_h422.jpg","url":"http://news.ifeng.com/a/20180409/57438185_0.shtml"},{"ctime":"2018-04-09 00:00","title":"九旬老人无法取老伴30万遗款 银行：先办继承公证","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p3.ifengimg.com/a/2018_15/58bb75ea151e3c0_size41_w400_h302.jpg","url":"http://news.ifeng.com/a/20180409/57437996_0.shtml"},{"ctime":"2018-04-09 00:00","title":"扇巴掌、踢肚子、鞋刷抽孩子 又一家\u201c豫章书院\u201d出现","description":"凤凰社会","picUrl":"http://d.ifengimg.com/w150_h95/p3.ifengimg.com/fck/2018_15/54ac747712a3601_w353_h269.jpg","url":"http://news.ifeng.com/a/20180409/57438051_0.shtml"}] */ private int code; private String msg; private List<NewslistBean> newslist; public int getCode() { return code; } public void setCode(int code) { this.code = code; } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public List<NewslistBean> getNewslist() { return newslist; } public void setNewslist(List<NewslistBean> newslist) { this.newslist = newslist; } public static class NewslistBean { /** * ctime : 2018-04-10 00:00 * title : 40岁大姐假扮90后骗走情郎600万 警方公布嫌疑人照片 * description : 凤凰社会 * picUrl : http://d.ifengimg.com/w150_h95/p0.ifengimg.com/fck/2018_15/62a0e528a1be0e1_w640_h1097.jpg * url : http://news.ifeng.com/a/20180410/57447229_0.shtml */ private String ctime; private String title; private String description; private String picUrl; private String url; public String getCtime() { return ctime; } public void setCtime(String ctime) { this.ctime = ctime; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public String getPicUrl() { return picUrl; } public void setPicUrl(String picUrl) { this.picUrl = picUrl; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } } }
