OkHttp 접속 전송 RestfulApi

android 환경에서 웹서버와 http 접속 전송 등 처리하는 OkHttp

 

http://square.github.io/okhttp/

 

사용준비

AndroidManifest.xml

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

android:usesCleartextTraffic="true"

build.gradle

implementation 'com.squareup.okhttp3:okhttp:4.10.0'

 

코드

package com.example.okhttpex1;public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {

		// ...
        
        try {
            run();
        } catch (IOException e) {
            e.printStackTrace();
        }


    }


    void run() throws IOException {

        OkHttpClient client = new OkHttpClient();

        Request request = new Request.Builder()
                .url("https://google.com")
                //.get()
                .build();

        qv("enqueue");

        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                MainActivity.this.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        qv("fail ec: " + e.toString());
                    }
                });
                call.cancel();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                MainActivity.this.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        qv("onresponse");
                    }
                });

                final String myResponse = response.body().string();

                MainActivity.this.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        qv(myResponse);
                    }
                });

            }
        });
    }

    public void qv(String s1) {
        TextView tv = (TextView)findViewById(R.id.tv1);
        tv.setText(tv.getText() + "\n" + s1);
    }
}

 

결과

암호: infos

OkhttpEx1.7z

0.09MB