1 package com.example.administrator.okhttp3;  2   3 import android.os.Handler;  4 import android.os.Looper;  5   6 import java.io.IOException;  7 import java.util.HashMap;  8 import java.util.Map;  9  10 import okhttp3.Call; 11 import okhttp3.Callback; 12 import okhttp3.FormBody; 13 import okhttp3.OkHttpClient; 14 import okhttp3.Request; 15 import okhttp3.RequestBody; 16 import okhttp3.Response; 17  18 /** 19  * Created by ${火龙裸先生} on 2016/9/28. 20  * 邮箱：791335000@qq.com 21  * <p/> 22  * OKhttpManager OKhttp封装类 23  */ 24 public class OKhttpManager { 25     private OkHttpClient client; 26     private static OKhttpManager oKhttpManager; 27     private Handler mHandler; 28  29     /** 30      * 单例获取 OKhttpManager实例 31      */ 32     private static OKhttpManager getInstance() { 33         if (oKhttpManager == null) { 34             oKhttpManager = new OKhttpManager(); 35         } 36         return oKhttpManager; 37     } 38  39     private OKhttpManager() { 40         client = new OkHttpClient(); 41         mHandler = new Handler(Looper.getMainLooper()); 42     } 43  44  45     /************** 46      * 内部逻辑处理 47      ****************/ 48     private Response p_getSync(String url) throws IOException { 49         Request request = new Request.Builder().url(url).build(); 50         Response response = client.newCall(request).execute(); 51         return response; 52     } 53  54     private String p_getSyncAsString(String url) throws IOException { 55         return p_getSync(url).body().string(); 56     } 57  58     private void p_getAsync(String url, final DataCallBack callBack) { 59         final Request request = new Request.Builder().url(url).build(); 60         client.newCall(request).enqueue(new Callback() { 61             @Override 62             public void onFailure(Call call, IOException e) { 63                 deliverDataFailure(call, e, callBack); 64             } 65  66             @Override 67             public void onResponse(Call call, Response response) { 68                 try { 69                     String result = response.body().string(); 70                     deliverDataSuccess(result, callBack); 71                 } catch (IOException e) { 72                     deliverDataFailure(call, e, callBack); 73                 } 74             } 75         }); 76     } 77  78     private void p_postAsync(String url, Map<String, String> params, final DataCallBack callBack) { 79         RequestBody requestBody = null; 80  81         if (params == null) { 82             params = new HashMap<String, String>(); 83         } 84         FormBody.Builder builder = new FormBody.Builder(); 85         for (Map.Entry<String, String> entry : params.entrySet()) { 86             String key = entry.getKey().toString(); 87             String value = http://www.mamicode.com/null; 88             if (entry.getValue() == null) { 89                 valuehttp://www.mamicode.com/= ""; 90             } else { 91                 value =http://www.mamicode.com/ entry.getValue().toString(); 92             } 93             builder.add(key, value); 94         } 95         requestBody = builder.build(); 96         final Request request = new Request.Builder().url(url).post(requestBody).build(); 97         client.newCall(request).enqueue(new Callback() { 98             @Override 99             public void onFailure(Call call, IOException e) {100                 deliverDataFailure(call, e, callBack);101             }102 103             @Override104             public void onResponse(Call call, Response response) throws IOException {105                 try {106                     String result = response.body().string();107                     deliverDataSuccess(result, callBack);108                 } catch (IOException e) {109                     deliverDataFailure(call, e, callBack);110                 }111             }112         });113     }114 115     /**116      * 数据分发的方法117      */118     private void deliverDataFailure(final Call call, final IOException e, final DataCallBack callBack) {119         mHandler.post(new Runnable() {120             @Override121             public void run() {122                 if (callBack != null) {123                     callBack.requestFailure(call, e);124                 }125             }126         });127     }128 129     private void deliverDataSuccess(final String result, final DataCallBack callBack) {130         mHandler.post(new Runnable() {131             @Override132             public void run() {133                 if (callBack != null) {134                     callBack.requestSuccess(result);135                 }136             }137         });138     }139 140 141     /******************142      * 对外公布的方法143      *****************/144     public static Response getSync(String url) throws IOException {145         return getInstance().p_getSync(url);//同步GET，返回Response类型数据146     }147 148 149     public static String getSyncAsString(String url) throws IOException {150         return getInstance().p_getSyncAsString(url);//同步GET，返回String类型数据151     }152 153     public static void getAsync(String url, DataCallBack callBack) {154         getInstance().p_getAsync(url, callBack);//异步GET请求155     }156 157     public static void postAsync(String url, Map<String, String> params, DataCallBack callBack) {158         getInstance().p_postAsync(url, params, callBack);//异步POST请求159     }160 161     /**162      * 数据回调接口163      */164     public interface DataCallBack {165         void requestFailure(Call call, IOException e);166 167         void requestSuccess(String result);168     }169 170 }

  1 package com.example.administrator.okhttp3;  2   3 import android.os.Bundle;  4 import android.support.v7.app.AppCompatActivity;  5 import android.view.View;  6 import android.widget.Button;  7 import android.widget.TextView;  8   9 import java.io.IOException; 10 import java.util.HashMap; 11 import java.util.Map; 12  13 import okhttp3.Call; 14 import okhttp3.OkHttpClient; 15 import okhttp3.Request; 16 import okhttp3.Response; 17  18 public class MainActivity extends AppCompatActivity implements View.OnClickListener { 19     private static OkHttpClient client = new OkHttpClient(); 20     private Request request; 21     private Response response; 22  23     private Button button1, button2, button3, button4; 24     private TextView textView; 25  26     @Override 27     protected void onCreate(Bundle savedInstanceState) { 28         super.onCreate(savedInstanceState); 29         setContentView(R.layout.activity_main); 30         button1 = (Button) findViewById(R.id.btn_one); 31         button2 = (Button) findViewById(R.id.btn_two); 32         button3 = (Button) findViewById(R.id.btn_three); 33         button4 = (Button) findViewById(R.id.btn_four); 34         button1.setOnClickListener(this); 35         button2.setOnClickListener(this); 36         button3.setOnClickListener(this); 37         button4.setOnClickListener(this); 38         textView = (TextView) findViewById(R.id.tv); 39     } 40  41     @Override 42     public void onClick(View view) { 43         switch (view.getId()) { 44             case R.id.btn_one://同步GET 调用方法 45  46                 new Thread(new Runnable() { 47                     @Override 48                     public void run() { 49                         try { 50                             final String message = OKhttpManager.getSyncAsString("http://cache.video.iqiyi.com/jp/avlist/202861101/1/?callback=jsonp9"); 51                             runOnUiThread(new Runnable() { 52                                 @Override 53                                 public void run() { 54                                     textView.setText(message); 55                                 } 56                             }); 57                         } catch (IOException e) { 58                             e.printStackTrace(); 59                         } 60                     } 61                 }).start(); 62  63                 break; 64             case R.id.btn_two://异步GET 调用方法 65                 OKhttpManager.getAsync("http://web.juhe.cn:8080/finance/exchange/rmbquot", new OKhttpManager.DataCallBack() { 66                     @Override 67                     public void requestFailure(Call call, IOException e) { 68                         /** 69                          * 加载失败，回调这个方法 70                          * */ 71                     } 72  73                     @Override 74                     public void requestSuccess(String result) { 75                         textView.setText(result); 76                     } 77                 }); 78                 break; 79             case R.id.btn_three://POST提交表单 调用方法 80                 Map<String, String> params = new HashMap<>(); 81                 params.put("cellphone", "123456");//用户名 82                 params.put("password", "123456");//密码 83                 OKhttpManager.postAsync("http://58.250.31.19:28080/afeducation/appfront/main/loginUser_app.do", params, new OKhttpManager.DataCallBack() { 84                     @Override 85                     public void requestFailure(Call call, IOException e) { 86                         textView.setText(e.toString()); 87                     } 88  89                     @Override 90                     public void requestSuccess(String result) { 91                         textView.setText(result); 92                     } 93                 }); 94                 break; 95             case R.id.btn_four://文件下载 调用方法 96  97                 break; 98         } 99     }100 }

 1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3     xmlns:tools="http://schemas.android.com/tools" 4     android:layout_width="match_parent" 5     android:layout_height="match_parent" 6     android:orientation="vertical" 7     android:paddingBottom="@dimen/activity_vertical_margin" 8     android:paddingLeft="@dimen/activity_horizontal_margin" 9     android:paddingRight="@dimen/activity_horizontal_margin"10     android:paddingTop="@dimen/activity_vertical_margin"11     tools:context="com.example.administrator.okhttp3.MainActivity">12 13     <Button14         android:id="@+id/btn_one"15         android:layout_width="wrap_content"16         android:layout_height="wrap_content"17         android:text="同步get" />18 19     <Button20         android:id="@+id/btn_two"21         android:layout_width="wrap_content"22         android:layout_height="wrap_content"23         android:text="异步get" />24 25     <Button26         android:id="@+id/btn_three"27         android:layout_width="wrap_content"28         android:layout_height="wrap_content"29         android:text="Post提交表单" />30 31     <Button32         android:id="@+id/btn_four"33         android:layout_width="wrap_content"34         android:layout_height="wrap_content"35         android:text="文件下载" />36 37     <TextView38         android:id="@+id/tv"39         android:layout_width="wrap_content"40         android:layout_height="wrap_content"41         android:text="text" />42 </LinearLayout>