Fix #11

.gitignore

@@ -2,3 +2,4 @@
 app/build
 build/generated
 build
+workspace.xml

.idea/misc.xml

@@ -37,7 +37,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/java/info/nightscout/android/medtronic/GetHmacAndKeyActivity.java

@@ -222,7 +222,7 @@ public class GetHmacAndKeyActivity extends Activity implements LoaderCallbacks<C
                 nameValuePairs.add(new BasicNameValuePair("j_username", mUsername));
                 nameValuePairs.add(new BasicNameValuePair("j_password", mPassword));
                 nameValuePairs.add(new BasicNameValuePair("j_character_encoding", "UTF-8"));
-                loginPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
+                loginPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));
                 HttpResponse response = client.execute(loginPost);
 
                 if (response.getStatusLine().getStatusCode() == 200) {