Fix koush/ion#34

Change-Id: Ic80c0b1f2bda6b53cb477972d560e9123cb21427

Author: koush

AndroidAsync/src/com/koushikdutta/async/PushParser.java

@@ -251,6 +251,12 @@ static Method getTap(TapCallback callback) {
         Method found = mTable.get(callback.getClass());
         if (found != null)
             return found;
+        // try the proguard friendly route, take the first/only method
+        // in case "tap" has been renamed
+        Method[] candidates = callback.getClass().getDeclaredMethods();
+        if (candidates.length == 1)
+            return candidates[0];
+
         for (Method method : callback.getClass().getMethods()) {
             if ("tap".equals(method.getName())) {
                 mTable.put(callback.getClass(), method);