Volley请求网络简单学习

public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

/**
* get 的2种请求方式
*/
// GET_StringRequest();
// GET_JsonObjectRequest();

/**
* post 的2种请求方式
*/
//  POST_StringRequest();
//  POST_JsonObjectRequest();

/**
*  自定义封装的 get请求
*/
Volley_Get();

}

/**
* 初始化控件
*/
private void initView() {
iv_img = (ImageView) findViewById(R.id.iv_img);
}

/**
* 自定义的 get请求
* 好处 :  可以在请求成功之前 全局的设置 加载框 不用再每个请求之前写
*/
private void Volley_Get() {
String url = "http://apis.juhe.cn/mobile/get?phone=18300077682&key=335adcc4e891ba4e4be6d7534fd54c5d";

VolleyRequest.RequestGet(this, url, "abcGet", new VolleyInterface(this, VolleyInterface.mListener, VolleyInterface.mErrorListener) {
@Override
public void onMySuccess(String result) {
Toast.makeText(MainActivity.this, "请求成功 : " + result, Toast.LENGTH_SHORT).show();
}

@Override
public void onMyError(VolleyError error) {
Toast.makeText(MainActivity.this, "请求失败 : " + error, Toast.LENGTH_SHORT).show();
}
});

}

private void POST_StringRequest() {
//  String url = "https://tcc.taobao.com/cc/json/mobile_tel_segment.htm?";
String url = "http://apis.juhe.cn/mobile/get?";
StringRequest stringRequest = new StringRequest(Request.Method.POST, url,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {

//TODO 可以 全局的设置 弹出 加载中
Toast.makeText(MainActivity.this, "请求成功 : " + response, Toast.LENGTH_SHORT).show();
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity.this, "请求失败 : " + error, Toast.LENGTH_SHORT).show();
//TODO 此处可以 提示请求失败
}
}) {
@Override //volley 在 post 请求时使用getParams()方法传递参数
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> stringMap = new HashMap<>();

stringMap.put("phone", "18300077682");
stringMap.put("key", "335adcc4e891ba4e4be6d7534fd54c5d");
return stringMap;
}
};

stringRequest.setTag("Tag_post");
MyApplication.getHttpQueues().add(stringRequest);
}

private void GET_JsonObjectRequest() {

String url = "https://tcc.taobao.com/cc/json/mobile_tel_segment.htm?tel=18300677682";

JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(
Request.Method.GET,
url,
null, //get请求可以传null,但是 post请求是 参数的拼接
new Response.Listener<JSONObject>() {
@Override //请求成功时 回调
public void onResponse(JSONObject response) {
Toast.makeText(MainActivity.this, "请求成功 : " + response, Toast.LENGTH_SHORT).show();
Log.d("MainActivity", "请求成功 : " + response.toString());
}
},
new Response.ErrorListener() {
@Override //请求失败时回调
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity.this, "请求失败 : " + error, Toast.LENGTH_SHORT).show();
}
});
jsonObjectRequest.setTag("Tag_GET"); //设置标签
MyApplication.getHttpQueues().add(jsonObjectRequest);  //加入到全局队列中
}

private void POST_JsonObjectRequest() {
String url = "http://apis.juhe.cn/mobile/get?";
//String url = "https://tcc.taobao.com/cc/json/mobile_tel_segment.htm?";

HashMap<String, String> stringMap = new HashMap<>();
stringMap.put("phone", "18300077682");
stringMap.put("key", "335adcc4e891ba4e4be6d7534fd54c5d");
// stringMap.put("apikey","b63a29ab2f4760818e4ca641cd355934");
JSONObject jsonObject = new JSONObject(stringMap);

JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(
Request.Method.POST, url, jsonObject,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Toast.makeText(MainActivity.this, "请求成功 : " + response.toString(), Toast.LENGTH_SHORT).show();
Log.d("MainActivity", "请求成功 : " + response.toString());
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity.this, "请求失败 : " + error, Toast.LENGTH_SHORT).show();

}
});

jsonObjectRequest.setTag("Tag_GET"); //设置标签
MyApplication.getHttpQueues().add(jsonObjectRequest);  //加入到全局队列中
}

private void GET_StringRequest() {
//String url = ""; //请求接口地址
//示例地址 请求接口地址
String url = "https://tcc.taobao.com/cc/json/mobile_tel_segment.htm?tel=18300677682";
StringRequest request = new StringRequest(
Request.Method.GET,
url,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Toast.makeText(MainActivity.this, "请求成功 : " + response, Toast.LENGTH_SHORT).show();
Log.d("MainActivity", "请求成功 : " + response.toString());
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity.this, "请求失败 : " + error, Toast.LENGTH_SHORT).show();
}
});
request.setTag("Tag_GET"); //设置标签
MyApplication.getHttpQueues().add(request);  //加入到全局队列中
}

@Override
protected void onStop() {
super.onStop();

MyApplication.getHttpQueues().cancelAll("Tag_GET"); //此行代表Activity与 Volley 的生命周期进行关联
}
}

/**
* 自定义Application类
*
* 创建RequestQueue 请求队列对象,并对外暴露方法
*/
public class MyApplication extends Application
{
public static RequestQueue sQueue;  //请求队列

@Override
public void onCreate() {
super.onCreate();
sQueue = Volley.newRequestQueue(getApplicationContext()); //建立全局请求队列
}

//获取请求队列
public static RequestQueue getHttpQueues(){
return sQueue;
}
}

**
* 自定义封装 请求成功 和请求失败的回调
*/
public abstract class VolleyInterface {

public Context mContext;
public static Response.Listener<String> mListener;
public  static  Response.ErrorListener mErrorListener;

public VolleyInterface(Context context, Response.Listener<String> listener, Response.ErrorListener errorListener) {
this.mContext = context;
this.mListener = listener;
this.mErrorListener = errorListener;
}

/**
* 自定义的 请求成功的回调方法
*
* @return mListener
*/
public Response.Listener<String> loadingListener() {
mListener = new Response.Listener<String>() {
@Override
public void onResponse(String response) {
onMySuccess(response);
}
};
return mListener;
}

/**
* 自定义的 请求失败的回调
*
* @return
*/
public Response.ErrorListener errorListener() {
mErrorListener = new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
onMyError(error);
}
};

return mErrorListener;
}

public abstract void onMySuccess(String result);

public abstract void onMyError(VolleyError error);

}

package com.net.volleydemo.volley;

import android.content.Context;

import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.toolbox.StringRequest;
import com.net.volleydemo.MyApplication;

import java.util.Map;

/**
* Volley的 简单二次封装
*/
public class VolleyRequest {

public static StringRequest stringRequest;
public static Context context;

/**
* 自定义的 get请求方法
* @param context 上下文
* @param url   请求地址
* @param tag   设置的标签
* @param vif   监听的回调方法
*/
public static void RequestGet(Context context,String url,String tag,VolleyInterface vif) {
MyApplication.getHttpQueues().cancelAll(tag); //在请求网络之前,把之前的请求全部取消,防止重复请求

stringRequest = new StringRequest(Request.Method.GET,url,vif.loadingListener(),vif.errorListener());
stringRequest.setTag(tag);
MyApplication.getHttpQueues().add(stringRequest);
MyApplication.getHttpQueues().start();

}

/**
* 自定义的 post请求方法
* @param context
* @param url
* @param tag
* @param params  因为post的请求方法 所以要在 getParams() 中传递参数
* @param vif   请求成功或失败的监听
*/
public static void RequestPost(Context context,String url,String tag, final Map<String,String> params,VolleyInterface vif) {
MyApplication.getHttpQueues().cancelAll(tag); //在请求网络之前,把之前的请求全部取消,防止重复请求
stringRequest = new StringRequest(Request.Method.POST,url,vif.loadingListener(),vif.errorListener()){

@Override //因为是 post 请求 所以需要传递参数
protected Map<String, String> getParams() throws AuthFailureError {
return params;
}
};
stringRequest.setTag(tag); //设置标签
MyApplication.getHttpQueues().add(stringRequest); //加入全局队列
MyApplication.getHttpQueues().start();
}    }