Androidstudio运行后用虚拟器浏览器搜索B站看视频

来源：我的学习笔记

/*先将自己的电脑联网*/

1.page1

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

2.page2

package com.example.自己的包名;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.Toast;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class MainActivity extends AppCompatActivity {

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       NetThread netThread=new NetThread();
       netThread.start();
    

   }
}

3.page3

package com.example.自己的包名;

import android.util.Log;
import android.widget.Toast;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;



public class NetThread {
   public void start(){
   try {
       URL url=new URL("https://baidu.com");
       HttpURLConnection conn=(HttpURLConnection) url.openConnection();
       //Toast.makeText(this,"网络成功",Toast.LENGTH_SHORT).show();
       conn.setRequestMethod("GET");
       conn.setConnectTimeout(10000);
       InputStream is =conn.getInputStream();
       conn.disconnect();

   }catch (Exception ex){
       //Toast.makeText(this,"网络失败",Toast.LENGTH_SHORT).show();
      /* 调试工具*/
       Log.i("abcd","网络错误");



   }


   }

}