自从介绍了OKhttp3的一些基本使用之后，又偷了下懒，所以它的续篇被搁置了一段时间，现在补充。 OKhttpManager.Class 请求工具类
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：[email protected]
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 = null;
88 if (entry.getValue() == null) {
89 value = "";
90 } else {
91 value = 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 @Override
104 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 @Override
121 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 @Override
132 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 }
MainActivity.class 工具类的调用方法
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 }
activity_main.xml 布局文件
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 <Button 14 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 <Button 20 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 <Button 26 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 <Button 32 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 <TextView 38 android:id="@+id/tv" 39 android:layout_width="wrap_content" 40 android:layout_height="wrap_content" 41 android:text="text" /> 42 </LinearLayout>
以前都是用Volley去进行网络交互，时间久了，也想换换新的东西。网络请求框架各具特色，需要自己不断探索和选择。加油！
时间： 2024-12-10 06:54:32