Fix incorrect field name when using multipart body on android.

Author: wkh237

android/.idea/gradle.xml

@@ -1,5 +1,18 @@
 apply plugin: 'com.android.library'
 
+repositories {
+    mavenCentral()
+}
+
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.0.0'
+    }
+}
+
 android {
     compileSdkVersion 23
     buildToolsVersion "23.0.3"

android/.idea/misc.xml

@@ -1,4 +1,4 @@
-#Mon Dec 28 10:00:20 PST 2015
+#Wed May 18 12:33:41 CST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME

android/build.gradle

@@ -138,6 +138,7 @@ public void fetchBlobForm(String method, String url, ReadableMap headers, Readab
                 for(int i =0; i<body.size() ; i++) {
                     ReadableMap map = body.getMap(i);
                     String name = map.getString("name");
+                    // file field
                     if(map.hasKey("filename")) {
                         String filename = map.getString("filename");
                         byte [] file = Base64.decode(map.getString("data"), 0);
@@ -147,10 +148,11 @@ public void fetchBlobForm(String method, String url, ReadableMap headers, Readab
                         outputStream.write(file);
                         outputStream.write("\r\n".getBytes());
                     }
+                    // data field
                     else {
                         String data = map.getString("data");
                         outputStream.write(String.format("--%s\r\n", boundary).getBytes("UTF-8"));
-                        outputStream.write(String.format("Content-Disposition: form-data; name=\"%s\"; \r\n", boundary, name).getBytes("UTF-8"));
+                        outputStream.write(String.format("Content-Disposition: form-data; name=\"%s\"; \r\n", name).getBytes("UTF-8"));
                         outputStream.write(String.format("Content-Type: text/plain\r\n\r\n").getBytes());
                         outputStream.write((data+"\r\n").getBytes());
                     }