使用GSON

运行截图

App.java

package csdn.example.com.notification.NetWorkTest;

/**
 * Created by 王德强 on 2017/7/24.
 */

public class App {
    private String id;
    private String name;
    private String version;

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getVersion() {
        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }
}

MainActivity.java

package csdn.example.com.notification.MyApp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import java.util.List;

import csdn.example.com.notification.NetWorkTest.App;
import csdn.example.com.notification.R;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class Main7Activity extends AppCompatActivity implements View.OnClickListener {

    TextView requesetText;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main7);
        requesetText = (TextView) findViewById(R.id.request_text);
        Button send_request = (Button) findViewById(R.id.send_request);
        send_request.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        if(v.getId()==R.id.send_request){
            sendRequestWithOkHttp();
        }
    }

    private void sendRequestWithOkHttp() {

        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url("http://10.7.90.163:8088/get_data.json")
                            .build();
                    Response response = client.newCall(request).execute();

                    String requestData = response.body().string();
                    //showResponse(requestData);
                    parseJSONWithGSON(requestData);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void parseJSONWithGSON(String requestData) {
        Gson gson = new Gson();
        List<App> appList = gson.fromJson(requestData,new TypeToken<List<App>>(){}.getType());
        for (App app : appList){
            Log.i("Main7","name is "+app.getName());
            Log.i("Main7","version is "+app.getVersion());
            Log.i("Main7","id is "+app.getId());
        }
    }

    private void showResponse(final String requestData) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                requesetText.setText(requestData);
            }
        });
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/send_request"
        android:text="发送请求"
        />
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/request_text"
            />
    </ScrollView>

</LinearLayout>