Another fix...

core/build.gradle

@@ -40,9 +40,9 @@ dependencies {
     compile 'commons-io:commons-io:2.4'
     compile 'com.jayway.android.robotium:robotium-solo:5.2.1'
     compile 'org.jsoup:jsoup:1.7.3'
-    compile 'com.squareup.picasso:picasso:2.4.0'
+    compile 'com.squareup.picasso:picasso:2.5.2'
-    compile 'com.squareup.okhttp:okhttp:2.2.0'
+    compile 'com.squareup.okhttp:okhttp:2.3.0'
-    compile 'com.squareup.okhttp:okhttp-urlconnection:2.2.0'
+    compile 'com.squareup.okhttp:okhttp-urlconnection:2.3.0'
     compile 'com.squareup.okio:okio:1.2.0'
     compile 'com.nineoldandroids:library:2.4.0'
     compile 'de.greenrobot:eventbus:2.4.0'

core/src/main/java/de/danoeh/antennapod/core/asynctask/PicassoProvider.java

@@ -66,7 +66,7 @@ public class PicassoProvider {
             return;
         }
         OkHttpClient client = new OkHttpClient();
-        client.networkInterceptors().add(new BasicAuthenticationInterceptor(appContext));
+        client.interceptors().add(new BasicAuthenticationInterceptor(appContext));
         Picasso picasso = new Picasso.Builder(appContext)
                 .indicatorsEnabled(DEBUG)
                 .loggingEnabled(DEBUG)
@@ -98,15 +98,21 @@ public class PicassoProvider {
         public Response intercept(Chain chain) throws IOException {
             com.squareup.okhttp.Request request = chain.request();
             String url = request.urlString();
-            // add authentication
             String authentication = DBReader.getImageAuthentication(context, url);
-            if(TextUtils.isEmpty(authentication) == false) {
+
+            if(TextUtils.isEmpty(authentication)) {
+                Log.d(TAG, "no credentials for '" + url + "'");
+                return chain.proceed(request);
+            }
+
+            // add authentication
             String[] auth = authentication.split(":");
             String credentials = HttpDownloader.encodeCredentials(auth[0], auth[1], "ISO-8859-1");
             com.squareup.okhttp.Request newRequest = request
                     .newBuilder()
                     .addHeader("Authorization", credentials)
                     .build();
+            Log.d(TAG, "Basic authentication with ISO-8859-1 encoding");
             Response response = chain.proceed(newRequest);
             if (!response.isSuccessful() && response.code() == HttpURLConnection.HTTP_UNAUTHORIZED) {
                 credentials = HttpDownloader.encodeCredentials(auth[0], auth[1], "UTF-8");
@@ -114,15 +120,12 @@ public class PicassoProvider {
                         .newBuilder()
                         .addHeader("Authorization", credentials)
                         .build();
+                Log.d(TAG, "Basic authentication with UTF-8 encoding");
                 return chain.proceed(newRequest);
             } else {
                 return response;
             }
         }
-            else { // no authentication required
-                return chain.proceed(request);
-            }
-        }
     }
 
     private static class MediaRequestHandler extends RequestHandler {
@@ -140,7 +143,7 @@ public class PicassoProvider {
         }
 
         @Override
-        public Result load(Request data) throws IOException {
+        public Result load(Request data, int networkPolicy) throws IOException {
             Bitmap bitmap = null;
             MediaMetadataRetriever mmr = null;
             try {

core/src/main/java/de/danoeh/antennapod/core/gpoddernet/GpodnetService.java

@@ -726,7 +726,12 @@ public class GpodnetService {
         Validate.notNull(body);
 
         ByteArrayOutputStream outputStream;
-        int contentLength = (int) body.contentLength();
+        int contentLength = 0;
+        try {
+            contentLength = (int) body.contentLength();
+        } catch (IOException ignore) {
+            // ignore
+        }
         if (contentLength > 0) {
             outputStream = new ByteArrayOutputStream(contentLength);
         } else {