update readme

Author: Vens Chen

README.md

@@ -3,10 +3,11 @@
 该框架使用retrofit2.0+rxAndroid进行封装，该框架主要特性：
 
 > * 统一管理网络请求接口
+> * 灵活的线程切换
 > * 支持请求结果的自定义数据结构
 > * 统一的异常拦截处理，对特殊异常也可以单独处理
 > * 支持文件带进度下载
-> * 支持自定义网络拦截器（log输出，头部参数处理等）
+> * 支持自定义拦截器（log输出，头部参数处理等）
 > * 提供请求等待的加载动画入口
 
 
@@ -120,29 +121,30 @@ public class HttpInterceptor implements Interceptor {
 
 ### 初始化
 ```
-        RetrofitManager.getInstence()
-                .baseUrl("your baseurl")
+	RetrofitManager.getInstence()
+                .baseUrl("your baseUrl")
                 .addInterceptor(new HttpInterceptor())
+                .serviceClass(ApiService.class)
                 .create();
 ```
 
 ### 业务请求
 具体的业务请求类继承HttpPresenter，传入一些配置参数：
 ```
 public class DocPresenter extends HttpPresenter {
-    private ApiService mApi;
+    private ApiService mApiService;
     public DocPresenter(ILoadingView iLoadingView)
     {
         super(iLoadingView);
-        mApi = RetrofitManager.getInstence().getRetrofitService(ApiService.class);
+        mApiService = (ApiService)RetrofitManager.getInstence().getRetrofitService();
     }
 
     /**
      * 网络请求的具体实现
      */
     public void getDoc()
     {
-        Observable observable = mApi.getDoc(1,4);//调用接口
+        Observable observable = mApiService.getDoc(1,4);//调用接口
         subscribeHttp(observable, new IHttpResultListener<String>() {
             @Override
             public void onSuccess(String s)
@@ -216,7 +218,7 @@ DocPresenter docPresenter = new DocPresenter(new ILoadingView() {
                     {
 
                     } 
-                }, "your baseUrl");
+                });
                 presenter.setFileDir(FileUtil.ROOT_PATH);
                 presenter.setDestFileName(FileUtil.NAME);
                 presenter.download("http://upload.cbg.cn/2016/0726/1469533389366.jpg");

app/src/main/java/com/threetree/thttp/MainActivity.java

@@ -94,10 +94,10 @@ public void success()
                     mIv.setImageBitmap(BitmapFactory.decodeFile(FileUtil.getFilePath()));
                     mDownLoadPresenter.destroy();
                 }
-            }, "http://upload.cbg.cn/2016/0726/1469533389366.jpg");
+            });
         }
         mDownLoadPresenter.setFileDir(FileUtil.ROOT_PATH);
         mDownLoadPresenter.setDestFileName(FileUtil.NAME);
-        mDownLoadPresenter.download();
+        mDownLoadPresenter.download("http://upload.cbg.cn/2016/0726/1469533389366.jpg");
     }
 }

tthttp/src/main/java/com/threetree/tthttp/presenter/DownLoadPresenter.java

@@ -40,7 +40,6 @@ public class DownLoadPresenter extends HttpPresenter {
     private RetrofitService mRetrofitService;
     private PresenterHandler mHandler = new PresenterHandler(this);
 
-    private String mBaseUrl;
 
     public static class PresenterHandler extends Handler {
         private WeakReference<DownLoadPresenter> mInstance;
@@ -67,17 +66,10 @@ public void handleMessage(Message msg)
         }
     }
 
-    public DownLoadPresenter(IProgressView iProgressView, String url)
+    public DownLoadPresenter(IProgressView iProgressView)
     {
         super(iProgressView);
         this.iProgressView = iProgressView;
-        mBaseUrl = url;
-
-        //我们下载一般使用全路径，而retrofit 必须要传baseurl
-        //而且要按格式，否则报错，所以这里处理一下
-        HttpUrl httpUrl = HttpUrl.parse(url);
-        String newUrl = httpUrl.scheme() + "://" + httpUrl.host();
-        mRetrofitService = getRetrofit(newUrl).create(RetrofitService.class);
     }
 
     private Retrofit getRetrofit(String baseUrl)
@@ -135,17 +127,24 @@ public void destroy()
     /**
      * 下载
      */
-    public void download()
+    public void download(String url)
     {
-        if(TextUtils.isEmpty(mBaseUrl))
+        if(TextUtils.isEmpty(url))
            throw new NullPointerException("url must not be null!");
         if(TextUtils.isEmpty(destFileDir))
             throw new NullPointerException("FileDir must not be null!");
         if(TextUtils.isEmpty(destFileName))
             throw new NullPointerException("FileName must not be null!");
         if(iProgressView.isActive())
             iProgressView.start();
-        Observable observable = mRetrofitService.downloadFile(mBaseUrl);
+
+        //我们下载一般使用全路径，而retrofit 必须要传baseurl
+        //而且要按格式，否则报错，所以这里处理一下
+        HttpUrl httpUrl = HttpUrl.parse(url);
+        String newUrl = httpUrl.scheme() + "://" + httpUrl.host();
+        mRetrofitService = getRetrofit(newUrl).create(RetrofitService.class);
+
+        Observable observable = mRetrofitService.downloadFile(url);
         subscribeHttp(observable, new IHttpResultListener<ResponseBody>() {
             @Override
             public void onSuccess(ResponseBody responseBody)