网络请求框架

Summary/app/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
     >
 
     <application
+        android:name=".MApplication"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
@@ -17,6 +18,8 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity android:name=".activity.TestActivity"
+            android:theme="@style/AppThemeSwipeBack"></activity>
     </application>
-
+    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
 </manifest>

Summary/app/src/main/java/com/mitbbs/summary/MApplication.java

@@ -1,37 +1,41 @@
 package com.mitbbs.summary;
 
 import android.app.Application;
+import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 import android.util.DisplayMetrics;
 
 /**
  * Created by jc on 2017/4/21.
  */
-public class  MApplication extends Application {
+public class MApplication extends Application {
 
     private static MApplication mInstance;
-
+    SharedPreferences mPreferences;
     public static float DENSITY = 0;
     public static int   WIDTH   = 0;
     public static int   HEIGHT  = 0;
+
     @Override
     public void onCreate() {
         super.onCreate();
         mInstance = this;
-//        mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+        mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
     }
+
     public static MApplication getInstance(){
-        return mInstance;
+            return mInstance;
     }
 
     public static void getMetrics(){
         if(DENSITY != 0 && WIDTH != 0 && HEIGHT != 0)return;
 
         DisplayMetrics displayMetrics = new DisplayMetrics();
-        displayMetrics = getInstance().getResources().getDisplayMetrics();
-        DENSITY = displayMetrics.density;
-        WIDTH   = displayMetrics.widthPixels;
-        HEIGHT  = displayMetrics.heightPixels;
+            displayMetrics = getInstance().getResources().getDisplayMetrics();
+            DENSITY = displayMetrics.density;
+            WIDTH   = displayMetrics.widthPixels;
+            HEIGHT  = displayMetrics.heightPixels;
+
 
     }
 }

Summary/app/src/main/java/com/mitbbs/summary/OkHttpManeger.java

@@ -2,17 +2,22 @@
 
 import android.os.Handler;
 import android.os.Looper;
+import android.util.Log;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
 
 import okhttp3.Call;
 import okhttp3.Callback;
+import okhttp3.FormBody;
 import okhttp3.MediaType;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
+import okhttp3.RequestBody;
 import okhttp3.Response;
 
 /**
@@ -34,6 +39,7 @@ private OkHttpManeger(){
         handler = new Handler(Looper.getMainLooper());
     }
 
+    //采用单例模式获取对象
     public static OkHttpManeger getInstance(){
         OkHttpManeger instance = null;
         if (maneger == null){
@@ -44,34 +50,152 @@ public static OkHttpManeger getInstance(){
                 }
             }
         }
-        return instance;
+        return maneger;
     }
 
+    /**
+     * 同步请求，在android开发中不常用
+     * @param url
+     * @return
+     */
+    @Deprecated
+    public String syncGetByUrl(String url){
+            //构建一个request请求
+        Request request = new Request.Builder().url(url).build();
+        Response response = null;
+        try {
+            response = client.newCall(request).execute();//同步请求数据
+            if (response.isSuccessful()){
+                return response.body().string();
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
 
-    private void post(final ResponseHandler callBack){
-        final Request request = new Request.Builder().url(StaticString.BASE_URL).build();
+
+    /**
+     * 表单提交
+     * @param params
+     * @param callBack
+     */
+    public void post(Map<String, String> params, final ResponseHandler callBack){
+        start(callBack);
+        FormBody.Builder form_builder = new FormBody.Builder();//表单对象，包含以input开始的对象，以html表单为主
+        if (params != null && !params.isEmpty()){
+            for (Map.Entry<String,String> entry:params.entrySet()) {
+                form_builder.add(entry.getKey(),entry.getValue());
+            }
+        }
+        RequestBody request_body = form_builder.build();
+        final Request request = new Request.Builder().url(StaticString.BASE_URL).post(request_body).build();
         client.newCall(request).enqueue(new Callback() {
             @Override
             public void onFailure(Call call, IOException e) {
-                callBack.onFail(e);
+                fail(callBack,e);
+            }
+
+            @Override
+            public void onResponse(Call call, Response response) throws IOException {
+                if (response != null && response.isSuccessful()){
+                    try {
+                        JSONObject object = new JSONObject(response.body().string());
+                        success(callBack,object);
+                    } catch (JSONException e) {
+                        fail(callBack,e);
+                    }
+                }else {
+                    fail(callBack,new RuntimeException("okHttpManeger post respone is null or fail"));
+                }
+            }
+        });
+    }
+
+    public JSONObject obtainJson(Object...objects){
+        JSONObject jsonObject = new JSONObject();
+        if (objects.length %2 != 0){
+            Log.e(TAG,"getJson参数个数出错");
+            return null;
+        }
+
+        try {
+            for (int i = 0; i<objects.length; i += 2){
+                jsonObject.put((String)objects[i],objects[i+1]);
+            }
+
+        }catch (Exception e){
+            e.printStackTrace();
+            return null;
+        }
+
+        return jsonObject;
+    }
+    /**
+     * Json提交
+     * @param params
+     * @param callBack
+     */
+    public void post(JSONObject jsonObject,final ResponseHandler callBack){
+        start(callBack);
+        FormBody.Builder form_builder = new FormBody.Builder();//表单对象，包含以input开始的对象，以html表单为主
+        form_builder.add("msg", jsonObject == null?"":jsonObject.toString());
+        RequestBody request_body = form_builder.build();
+        final Request request = new Request.Builder().url(StaticString.BASE_URL).post(request_body).build();
+        client.newCall(request).enqueue(new Callback() {
+            @Override
+            public void onFailure(Call call, IOException e) {
+                fail(callBack,e);
             }
 
             @Override
             public void onResponse(Call call, Response response) throws IOException {
                 if (response != null && response.isSuccessful()){
                     try {
                         JSONObject object = new JSONObject(response.body().string());
-                        callBack.onSuccess(object);
+                        success(callBack,object);
                     } catch (JSONException e) {
-                        callBack.onFail(e);
+                        fail(callBack,e);
                     }
                 }else {
-                    callBack.onFail(new RuntimeException("response is null"));
+                    success(callBack,new JSONObject());
                 }
             }
         });
     }
-    interface ResponseHandler{
+    private void start(final ResponseHandler callBack){
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                callBack.onStart();
+            }
+        });
+    }
+
+    private void success(final ResponseHandler callBack,final JSONObject object){
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                callBack.onSuccess(object);
+                callBack.onFinish();
+            }
+        });
+    }
+
+    private void fail(final ResponseHandler callBack, final Exception e){
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                callBack.onFail(e);
+                callBack.onFinish();
+            }
+        });
+    }
+
+    /**
+     * 网络请求回调接口
+     */
+    public interface ResponseHandler{
         void onStart();
         void onSuccess(JSONObject object);
         void onFail(Exception e);

Summary/app/src/main/java/com/mitbbs/summary/StaticString.java

@@ -6,7 +6,13 @@
  */
 public class StaticString {
 
+    //线上
+    public static String BASE_DOMAIN = "www.rencai8.com";
+
+    //阿里云
+//    public static String BASE_DOMAIN = "123.57.5.76:8080";
+
+    public static String BASE_URL ="http://"+BASE_DOMAIN+"/App_service/service_menu.php";
 
-    public static final String BASE_URL = "";
 
 }

Summary/app/src/main/java/com/mitbbs/summary/activity/MainActivity.java

@@ -1,15 +1,65 @@
 package com.mitbbs.summary.activity;
 
+import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.ListView;
+import android.widget.TextView;
 
+import com.mitbbs.summary.OkHttpManeger;
 import com.mitbbs.summary.R;
 
+import org.json.JSONObject;
+
 public class MainActivity extends AppCompatActivity {
+    private ListView listView;
+    private OkHttpManeger maneger;
+    private TextView textView;
+    final String  TAG = "MainActivity";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        textView = (TextView) findViewById(R.id.tv_test);
+        if (maneger == null) maneger = OkHttpManeger.getInstance();
+        JSONObject jsonObject = maneger.obtainJson("reqType","search_job","occupation", "",
+                "min_degree", "", "created_date", "","name",
+                "","page",1+"");
+
+        maneger.post(jsonObject, new OkHttpManeger.ResponseHandler() {
+            @Override
+            public void onStart() {
+                Log.e(TAG,"onStart");
+            }
+
+            @Override
+            public void onSuccess(JSONObject object) {
+                Log.e(TAG,"onSuccess.object = "+object.toString());
+            }
+
+            @Override
+            public void onFail(Exception e) {
+                Log.e(TAG,"onFail"+((e == null)?"null":e.getCause()));
+
+            }
+
+            @Override
+            public void onFinish() {
+                Log.e(TAG,"onFinish");
+            }
+        });
+
+
+
+        textView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                startActivity(new Intent(MainActivity.this,TestActivity.class));
+            }
+        });
+
     }
 }