[移动开发]安卓开发—利用okhttp请求网络

代码

解释在注释里面

package com.example.okhttptest;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private Button send_request;
    private TextView reponse_text;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        send_request=findViewById(R.id.send_request);
        reponse_text=findViewById(R.id.reponse_text);


        send_request.setOnClickListener(this::onClick);
    }


    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.send_request:
                setSendrequestwithHttpURL();
                break;
        }

    }

    private void setSendrequestwithHttpURL() {
        //开启线程发起网洛请求-**********
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    //创建实例
                    OkHttpClient client=new OkHttpClient();
                    //创建request对象
                    Request request=new Request.Builder().url("https://www.bilibili.com/").build();
                    //Response response=client.newCall(request).execute();发送请求并获得服务器返回的数据
                    Response response=client.newCall(request).execute();
                    String responseData=response.body().string();
                    showreponse(responseData);

                }catch (Exception e){
                    e.printStackTrace();
                }

            }
        }).start();
    }

    private void showreponse(String data){
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                reponse_text.setText(data);
            }
        });
    }
}