Support for alternative post entities other than key value pairs

Author: loopj

build.xml

@@ -1,6 +1,6 @@
 <project default="package">
     <!-- Project properties -->
-    <property name="version.num" value="1.2.0" />
+    <property name="version.num" value="1.2.1" />
     <property name="project" value="android-async-http" />
 
     <!-- Standard jar stuff -->

src/com/loopj/android/http/AsyncHttpClient.java

@@ -172,13 +172,24 @@ public void post(String url, RequestParams params, AsyncHttpResponseHandler resp
     }
 
     public void post(Context context, String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
+        HttpEntity entity = null;
+        if(params != null) {
+            entity = params.getEntity();
+        }
+
+        post(context, url, entity, null, responseHandler);
+    }
+
+    public void post(Context context, String url, HttpEntity entity, String contentType, AsyncHttpResponseHandler responseHandler) {
         // Build post object with params
         final HttpPost post = new HttpPost(url);
-        if(params != null) {
-            HttpEntity entity = params.getEntity();
-            if(entity != null){
-                post.setEntity(entity);
-            }
+
+        if(entity != null){
+            post.setEntity(entity);
+        }
+
+        if(contentType != null) {
+            post.addHeader("Content-Type", contentType);
         }
 
         // Fire up the request in a new thread