Android网络开发之Volley--Volley基本用法JsonObjectReques(二)

1、JsonObjectRequest用法

用法和StringRequest基本相同，主要分为3步：

(1)、实例化一个RequestQueue对象

(2)、设置JsonObjectRequest对象参数，并将JsonObjectRequest对象加入RequestQueue队列

(3)、执行start()方法

public class JsonActivity extends Activity {
    private TextView mTvShow;
    
    private RequestQueue requestQueue;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_json);
        
        initView();
    }
    
    public void initView(){
        mTvShow = (TextView) findViewById(R.id.tv_json);
        
        requestQueue = Volley.newRequestQueue(getBaseContext());
        requestQueue.add(jsonObjectRequest);
        requestQueue.start();
    }
    
    /** JsonObject请求*/
    public JsonObjectRequest jsonObjectRequest = new JsonObjectRequest("http://m.weather.com.cn/data/101010100.html", null, new Response.Listener<JSONObject>() {

        @Override
        public void onResponse(JSONObject response) {
            // TODO Auto-generated method stub
            if(response != null){
                mTvShow.setText(response.toString());
            }else{
                Log.e("JsonObjectRequest", "Error");
            }
        }

    }, new Response.ErrorListener(){

        @Override
        public void onErrorResponse(VolleyError error) {
            // TODO Auto-generated method stub
            Log.e("JsonObjectRequest", error.getMessage());
        }
        
    });
    
}

2、不要忘记加入网络访问权限，服务器代码大家自己写吧，这里的不对。

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

3、参考博文：

http://blog.csdn.net/xyz_lmn/article/details/12165391