ANDROID_MARS学习笔记_S02_014_GSON解析JSON串为对象

 package com.json2;

 import android.app.Activity;
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;

 import com.google.gson.Gson;

 public class MainActivity extends Activity {

     private Button button = null;
     private String jsonData = "{\"name\":\"Michael\",\"age\":20}";

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         button = (Button)findViewById(R.id.buttonId);
         button.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {
                 JsonUitls jsonUtils = new JsonUitls();
                 jsonUtils.getObjectFromJson(jsonData);
             }
         });
     }

     public class JsonUitls {
         public void getObjectFromJson(String jsonData) {
             Gson gson = new Gson();
             User user = gson.fromJson(jsonData, User.class);
             System.out.println(user);
         }
     }

     public class User {
         private String name;
         private int age;
         public String getName() {
             return name;
         }
         public void setName(String name) {
             this.name = name;
         }
         public int getAge() {
             return age;
         }
         public void setAge(int age) {
             this.age = age;
         }
         @Override
         public String toString() {
             return "User [name=" + name + ", age=" + age + "]";
         }
     }
 }